Merge branch 'develop' of github.com:thecodingmachine/workadventure into develop

back/src/Model/GameRoom.ts

@@ -6,6 +6,7 @@ import {
     EmoteCallback,
     EntersCallback,
     LeavesCallback,
+    LockGroupCallback,
     MovesCallback,
     PlayerDetailsUpdatedCallback,
 } from "_Model/Zone";
@@ -44,7 +45,7 @@ export class GameRoom {
     // Users, sorted by ID
     private readonly users = new Map<number, User>();
     private readonly usersByUuid = new Map<string, User>();
-    private readonly groups = new Set<Group>();
+    private readonly groups: Map<number, Group> = new Map<number, Group>();
     private readonly admins = new Set<Admin>();
 
     private itemsState = new Map<number, unknown>();
@@ -66,6 +67,7 @@ export class GameRoom {
         onMoves: MovesCallback,
         onLeaves: LeavesCallback,
         onEmote: EmoteCallback,
+        onLockGroup: LockGroupCallback,
         onPlayerDetailsUpdated: PlayerDetailsUpdatedCallback
     ) {
         // A zone is 10 sprites wide.
@@ -76,6 +78,7 @@ export class GameRoom {
             onMoves,
             onLeaves,
             onEmote,
+            onLockGroup,
             onPlayerDetailsUpdated
         );
     }
@@ -90,6 +93,7 @@ export class GameRoom {
         onMoves: MovesCallback,
         onLeaves: LeavesCallback,
         onEmote: EmoteCallback,
+        onLockGroup: LockGroupCallback,
         onPlayerDetailsUpdated: PlayerDetailsUpdatedCallback
     ): Promise<GameRoom> {
         const mapDetails = await GameRoom.getMapDetails(roomUrl);
@@ -105,6 +109,7 @@ export class GameRoom {
             onMoves,
             onLeaves,
             onEmote,
+            onLockGroup,
             onPlayerDetailsUpdated
         );
 
@@ -244,7 +249,7 @@ export class GameRoom {
                         this.disconnectCallback,
                         this.positionNotifier
                     );
-                    this.groups.add(group);
+                    this.groups.set(group.getId(), group);
                 }
             }
         } else {
@@ -328,7 +333,7 @@ export class GameRoom {
                         this.disconnectCallback,
                         this.positionNotifier
                     );
-                    this.groups.add(newGroup);
+                    this.groups.set(newGroup.getId(), newGroup);
                 } else {
                     this.leaveGroup(user);
                 }
@@ -375,10 +380,10 @@ export class GameRoom {
         group.leave(user);
         if (group.isEmpty()) {
             group.destroy();
-            if (!this.groups.has(group)) {
+            if (!this.groups.has(group.getId())) {
                 throw new Error(`Could not find group ${group.getId()} referenced by user ${user.id} in World.`);
             }
-            this.groups.delete(group);
+            this.groups.delete(group.getId());
             //todo: is the group garbage collected?
         } else {
             group.updatePosition();
@@ -418,7 +423,7 @@ export class GameRoom {
         });
 
         this.groups.forEach((group: Group) => {
-            if (group.isFull()) {
+            if (group.isFull() || group.isLocked()) {
                 return;
             }
             const distance = GameRoom.computeDistanceBetweenPositions(user.getPosition(), group.getPosition());
@@ -544,6 +549,10 @@ export class GameRoom {
         this.positionNotifier.emitEmoteEvent(user, emoteEventMessage);
     }
 
+    public emitLockGroupEvent(user: User, groupId: number) {
+        this.positionNotifier.emitLockGroupEvent(user, groupId);
+    }
+
     public addRoomListener(socket: RoomSocket) {
         this.roomListeners.add(socket);
     }
@@ -657,4 +666,8 @@ export class GameRoom {
         const variablesManager = await this.getVariableManager();
         return variablesManager.getVariablesForTags(tags);
     }
+
+    public getGroupById(id: number): Group | undefined {
+        return this.groups.get(id);
+    }
 }

back/src/Model/Group.ts

@@ -14,6 +14,7 @@ export class Group implements Movable {
     private x!: number;
     private y!: number;
     private wasDestroyed: boolean = false;
+    private locked: boolean = false;
     private roomId: string;
     private currentZone: Zone | null = null;
     /**
@@ -141,15 +142,19 @@ export class Group implements Movable {
         return this.users.size >= MAX_PER_GROUP;
     }
 
+    isLocked(): boolean {
+        return this.locked;
+    }
+
     isEmpty(): boolean {
         return this.users.size <= 1;
     }
 
     join(user: User): void {
         // Broadcast on the right event
-        this.connectCallback(user, this);
         this.users.add(user);
         user.group = this;
+        this.connectCallback(user, this);
     }
 
     leave(user: User): void {
@@ -167,6 +172,10 @@ export class Group implements Movable {
         this.disconnectCallback(user, this);
     }
 
+    lock(lock: boolean = true): void {
+        this.locked = lock;
+    }
+
     /**
      * Let's kick everybody out.
      * Usually used when there is only one user left.

back/src/Model/PositionNotifier.ts

@@ -12,6 +12,7 @@ import {
     EmoteCallback,
     EntersCallback,
     LeavesCallback,
+    LockGroupCallback,
     MovesCallback,
     PlayerDetailsUpdatedCallback,
     Zone,
@@ -50,6 +51,7 @@ export class PositionNotifier {
         private onUserMoves: MovesCallback,
         private onUserLeaves: LeavesCallback,
         private onEmote: EmoteCallback,
+        private onLockGroup: LockGroupCallback,
         private onPlayerDetailsUpdated: PlayerDetailsUpdatedCallback
     ) {}
 
@@ -111,6 +113,7 @@ export class PositionNotifier {
                 this.onUserMoves,
                 this.onUserLeaves,
                 this.onEmote,
+                this.onLockGroup,
                 this.onPlayerDetailsUpdated,
                 i,
                 j
@@ -137,6 +140,12 @@ export class PositionNotifier {
         zone.emitEmoteEvent(emoteEventMessage);
     }
 
+    public emitLockGroupEvent(user: User, groupId: number) {
+        const zoneDesc = this.getZoneDescriptorFromCoordinates(user.getPosition().x, user.getPosition().y);
+        const zone = this.getZone(zoneDesc.i, zoneDesc.j);
+        zone.emitLockGroupEvent(groupId);
+    }
+
     public *getAllUsersInSquareAroundZone(zone: Zone): Generator<User> {
         const zoneDescriptor = this.getZoneDescriptorFromCoordinates(zone.x, zone.y);
         for (const d of getNearbyDescriptorsMatrix(zoneDescriptor)) {

back/src/Model/Zone.ts

@@ -13,6 +13,7 @@ export type EntersCallback = (thing: Movable, fromZone: Zone | null, listener: Z
 export type MovesCallback = (thing: Movable, position: PositionInterface, listener: ZoneSocket) => void;
 export type LeavesCallback = (thing: Movable, newZone: Zone | null, listener: ZoneSocket) => void;
 export type EmoteCallback = (emoteEventMessage: EmoteEventMessage, listener: ZoneSocket) => void;
+export type LockGroupCallback = (groupId: number, listener: ZoneSocket) => void;
 export type PlayerDetailsUpdatedCallback = (
     playerDetailsUpdatedMessage: PlayerDetailsUpdatedMessage,
     listener: ZoneSocket
@@ -27,6 +28,7 @@ export class Zone {
         private onMoves: MovesCallback,
         private onLeaves: LeavesCallback,
         private onEmote: EmoteCallback,
+        private onLockGroup: LockGroupCallback,
         private onPlayerDetailsUpdated: PlayerDetailsUpdatedCallback,
         public readonly x: number,
         public readonly y: number
@@ -108,6 +110,12 @@ export class Zone {
         }
     }
 
+    public emitLockGroupEvent(groupId: number) {
+        for (const listener of this.listeners) {
+            this.onLockGroup(groupId, listener);
+        }
+    }
+
     public updatePlayerDetails(user: User, playerDetails: SetPlayerDetailsMessage) {
         const playerDetailsUpdatedMessage = new PlayerDetailsUpdatedMessage();
         playerDetailsUpdatedMessage.setUserid(user.id);

back/src/RoomManager.ts

@@ -29,6 +29,7 @@ import {
     WebRtcSignalToServerMessage,
     WorldFullWarningToRoomMessage,
     ZoneMessage,
+    LockGroupPromptMessage,
 } from "./Messages/generated/messages_pb";
 import { sendUnaryData, ServerDuplexStream, ServerUnaryCall, ServerWritableStream } from "grpc";
 import { socketManager } from "./Services/SocketManager";
@@ -135,6 +136,12 @@ const roomManager: IRoomManagerServer = {
                                 user,
                                 message.getFollowabortmessage() as FollowAbortMessage
                             );
+                        } else if (message.hasLockgrouppromptmessage()) {
+                            socketManager.handleLockGroupPromptMessage(
+                                room,
+                                user,
+                                message.getLockgrouppromptmessage() as LockGroupPromptMessage
+                            );
                         } else if (message.hasSendusermessage()) {
                             const sendUserMessage = message.getSendusermessage();
                             socketManager.handleSendUserMessage(user, sendUserMessage as SendUserMessage);

back/src/Services/SocketManager.ts

@@ -38,6 +38,9 @@ import {
     SubToPusherRoomMessage,
     SetPlayerDetailsMessage,
     PlayerDetailsUpdatedMessage,
+    GroupUsersUpdateMessage,
+    LockGroupPromptMessage,
+    RoomMessage,
 } from "../Messages/generated/messages_pb";
 import { User, UserSocket } from "../Model/User";
 import { ProtobufUtils } from "../Model/Websocket/ProtobufUtils";
@@ -68,7 +71,6 @@ function emitZoneMessage(subMessage: SubToPusherMessage, socket: ZoneSocket): vo
     // TODO: should we batch those every 100ms?
     const batchMessage = new BatchToPusherMessage();
     batchMessage.addPayload(subMessage);
-
     socket.write(batchMessage);
 }
 
@@ -266,18 +268,28 @@ export class SocketManager {
         if (roomPromise === undefined) {
             roomPromise = GameRoom.create(
                 roomId,
-                (user: User, group: Group) => this.joinWebRtcRoom(user, group),
+                (user: User, group: Group) => {
-                (user: User, group: Group) => this.disConnectedUser(user, group),
+                    this.joinWebRtcRoom(user, group);
+                    this.sendGroupUsersUpdateToGroupMembers(group);
+                },
+                (user: User, group: Group) => {
+                    this.disConnectedUser(user, group);
+                    this.sendGroupUsersUpdateToGroupMembers(group);
+                },
                 MINIMUM_DISTANCE,
                 GROUP_RADIUS,
-                (thing: Movable, fromZone: Zone | null, listener: ZoneSocket) =>
+                (thing: Movable, fromZone: Zone | null, listener: ZoneSocket) => {
-                    this.onZoneEnter(thing, fromZone, listener),
+                    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),
+                (groupId: number, listener: ZoneSocket) => {
+                    void this.onLockGroup(groupId, listener, roomPromise);
+                },
                 (playerDetailsUpdatedMessage: PlayerDetailsUpdatedMessage, listener: ZoneSocket) =>
                     this.onPlayerDetailsUpdated(playerDetailsUpdatedMessage, listener)
             )
@@ -381,10 +393,24 @@ export class SocketManager {
         emitZoneMessage(subMessage, client);
     }
 
+    private async onLockGroup(
+        groupId: number,
+        client: ZoneSocket,
+        roomPromise: PromiseLike<GameRoom> | undefined
+    ): Promise<void> {
+        if (!roomPromise) {
+            return;
+        }
+        const group = (await roomPromise).getGroupById(groupId);
+        if (!group) {
+            return;
+        }
+        this.emitCreateUpdateGroupEvent(client, null, group);
+    }
+
     private onPlayerDetailsUpdated(playerDetailsUpdatedMessage: PlayerDetailsUpdatedMessage, client: ZoneSocket) {
         const subMessage = new SubToPusherMessage();
         subMessage.setPlayerdetailsupdatedmessage(playerDetailsUpdatedMessage);
-
         emitZoneMessage(subMessage, client);
     }
 
@@ -398,6 +424,7 @@ export class SocketManager {
         groupUpdateMessage.setPosition(pointMessage);
         groupUpdateMessage.setGroupsize(group.getSize);
         groupUpdateMessage.setFromzone(this.toProtoZone(fromZone));
+        groupUpdateMessage.setLocked(group.isLocked());
 
         const subMessage = new SubToPusherMessage();
         subMessage.setGroupupdatezonemessage(groupUpdateMessage);
@@ -413,7 +440,6 @@ export class SocketManager {
 
         const subMessage = new SubToPusherMessage();
         subMessage.setGroupleftzonemessage(groupDeleteMessage);
-
         emitZoneMessage(subMessage, client);
         //user.emitInBatch(subMessage);
     }
@@ -425,7 +451,6 @@ export class SocketManager {
 
         const subMessage = new SubToPusherMessage();
         subMessage.setUserleftzonemessage(userLeftMessage);
-
         emitZoneMessage(subMessage, client);
     }
 
@@ -439,6 +464,19 @@ export class SocketManager {
         return undefined;
     }
 
+    private sendGroupUsersUpdateToGroupMembers(group: Group) {
+        const groupUserUpdateMessage = new GroupUsersUpdateMessage();
+        groupUserUpdateMessage.setGroupid(group.getId());
+        groupUserUpdateMessage.setUseridsList(group.getUsers().map((user) => user.id));
+
+        const clientMessage = new ServerToClientMessage();
+        clientMessage.setGroupusersupdatemessage(groupUserUpdateMessage);
+
+        group.getUsers().forEach((currentUser: User) => {
+            currentUser.socket.write(clientMessage);
+        });
+    }
+
     private joinWebRtcRoom(user: User, group: Group) {
         for (const otherUser of group.getUsers()) {
             if (user === otherUser) {
@@ -634,6 +672,7 @@ export class SocketManager {
                 const groupUpdateMessage = new GroupUpdateZoneMessage();
                 groupUpdateMessage.setGroupid(thing.getId());
                 groupUpdateMessage.setPosition(ProtobufUtils.toPointMessage(thing.getPosition()));
+                groupUpdateMessage.setLocked(thing.isLocked());
 
                 const subMessage = new SubToPusherMessage();
                 subMessage.setGroupupdatezonemessage(groupUpdateMessage);
@@ -870,6 +909,15 @@ export class SocketManager {
             leader?.delFollower(user);
         }
     }
+
+    handleLockGroupPromptMessage(room: GameRoom, user: User, message: LockGroupPromptMessage) {
+        const group = user.group;
+        if (!group) {
+            return;
+        }
+        group.lock(message.getLock());
+        room.emitLockGroupEvent(user, group.getId());
+    }
 }
 
 export const socketManager = new SocketManager();

back/tests/GameRoomTest.ts

@@ -52,6 +52,7 @@ describe("GameRoom", () => {
             () => {},
             () => {},
             emote,
+            () => {},
             () => {}
         );
 
@@ -88,6 +89,7 @@ describe("GameRoom", () => {
             () => {},
             () => {},
             emote,
+            () => {},
             () => {}
         );
 
@@ -128,6 +130,7 @@ describe("GameRoom", () => {
             () => {},
             () => {},
             emote,
+            () => {},
             () => {}
         );
 

back/tests/PositionNotifierTest.ts

@@ -25,6 +25,7 @@ describe("PositionNotifier", () => {
                 leaveTriggered = true;
             },
             () => {},
+            () => {},
             () => {}
         );
 
@@ -132,6 +133,7 @@ describe("PositionNotifier", () => {
                 leaveTriggered = true;
             },
             () => {},
+            () => {},
             () => {}
         );
 

front/src/Components/CameraControls.svelte

@@ -10,12 +10,14 @@
     import layoutPresentationImg from "./images/layout-presentation.svg";
     import layoutChatImg from "./images/layout-chat.svg";
     import followImg from "./images/follow.svg";
+    import lockImg from "./images/lock.svg";
     import { LayoutMode } from "../WebRtc/LayoutManager";
     import { peerStore } from "../Stores/PeerStore";
     import { onDestroy } from "svelte";
     import { embedScreenLayout } from "../Stores/EmbedScreensStore";
     import { followRoleStore, followStateStore, followUsersStore } from "../Stores/FollowStore";
     import { gameManager } from "../Phaser/Game/GameManager";
+    import { currentPlayerGroupLockStateStore } from "../Stores/CurrentPlayerGroupStore";
 
     const gameScene = gameManager.getCurrentGameScene();
 
@@ -70,6 +72,10 @@
         }
     }
 
+    function lockClick() {
+        gameScene.connection?.emitLockGroup(!$currentPlayerGroupLockStateStore);
+    }
+
     let isSilent: boolean;
     const unsubscribeIsSilent = isSilentStore.subscribe((value) => {
         isSilent = value;
@@ -95,6 +101,15 @@
         <img class="noselect" src={followImg} alt="" />
     </div>
 
+    <div
+        class="btn-lock nes-btn is-dark"
+        class:hide={$peerStore.size === 0 || isSilent}
+        class:disabled={$currentPlayerGroupLockStateStore}
+        on:click={lockClick}
+    >
+        <img class="noselect" src={lockImg} alt="" />
+    </div>
+
     <div
         class="btn-monitor nes-btn is-dark"
         on:click={screenSharingClick}
@@ -157,7 +172,7 @@
         transform: translateY(15px);
         transition-timing-function: ease-in-out;
         transition: all 0.3s;
-        margin: 0 4%;
+        margin: 0 2%;
 
         &.hide {
             transform: translateY(60px);
@@ -205,6 +220,14 @@
         }
     }
 
+    .btn-lock {
+        pointer-events: auto;
+
+        img {
+            filter: brightness(0) invert(1);
+        }
+    }
+
     @media (hover: none) {
         /**
         * If we cannot hover over elements, let's display camera button in full.

front/src/Components/images/lock.svg

@@ -0,0 +1 @@
+<svg fill="#000000" xmlns="http://www.w3.org/2000/svg"  viewBox="0 0 50 50" width="50px" height="50px"><path d="M 25 3 C 18.363281 3 13 8.363281 13 15 L 13 20 L 9 20 C 7.355469 20 6 21.355469 6 23 L 6 47 C 6 48.644531 7.355469 50 9 50 L 41 50 C 42.644531 50 44 48.644531 44 47 L 44 23 C 44 21.355469 42.644531 20 41 20 L 37 20 L 37 15 C 37 8.363281 31.636719 3 25 3 Z M 25 5 C 30.566406 5 35 9.433594 35 15 L 35 20 L 15 20 L 15 15 C 15 9.433594 19.433594 5 25 5 Z M 9 22 L 41 22 C 41.554688 22 42 22.445313 42 23 L 42 47 C 42 47.554688 41.554688 48 41 48 L 9 48 C 8.445313 48 8 47.554688 8 47 L 8 23 C 8 22.445313 8.445313 22 9 22 Z M 25 30 C 23.300781 30 22 31.300781 22 33 C 22 33.898438 22.398438 34.6875 23 35.1875 L 23 38 C 23 39.101563 23.898438 40 25 40 C 26.101563 40 27 39.101563 27 38 L 27 35.1875 C 27.601563 34.6875 28 33.898438 28 33 C 28 31.300781 26.699219 30 25 30 Z"/></svg>

front/src/Connexion/ConnexionModels.ts

@@ -44,6 +44,12 @@ export interface GroupCreatedUpdatedMessageInterface {
     position: PositionInterface;
     groupId: number;
     groupSize: number;
+    locked: boolean;
+}
+
+export interface GroupUsersUpdateMessageInterface {
+    groupId: number;
+    userIds: number[];
 }
 
 export interface WebRtcDisconnectMessageInterface {

front/src/Connexion/RoomConnection.ts

@@ -5,47 +5,35 @@ import type { UserSimplePeerInterface } from "../WebRtc/SimplePeer";
 import { ProtobufClientUtils } from "../Network/ProtobufClientUtils";
 import type {
     GroupCreatedUpdatedMessageInterface,
-    ItemEventMessageInterface,
+    GroupUsersUpdateMessageInterface,
     MessageUserJoined,
-    OnConnectInterface,
-    PlayerDetailsUpdatedMessageInterface,
     PlayGlobalMessageInterface,
     PositionInterface,
     RoomJoinedMessageInterface,
     ViewportInterface,
-    WebRtcDisconnectMessageInterface,
     WebRtcSignalReceivedMessageInterface,
 } from "./ConnexionModels";
 import type { BodyResourceDescriptionInterface } from "../Phaser/Entity/PlayerTextures";
 import { adminMessagesService } from "./AdminMessagesService";
 import { connectionManager } from "./ConnectionManager";
 import { get } from "svelte/store";
+import { followRoleStore, followUsersStore } from "../Stores/FollowStore";
 import { menuIconVisiblilityStore, menuVisiblilityStore, warningContainerStore } from "../Stores/MenuStore";
-import { followStateStore, followRoleStore, followUsersStore } from "../Stores/FollowStore";
 import { localUserStore } from "./LocalUserStore";
 import {
-    RefreshRoomMessage,
     ServerToClientMessage as ServerToClientMessageTsProto,
     TokenExpiredMessage,
     WorldConnexionMessage,
-    WorldFullMessage,
     ErrorMessage as ErrorMessageTsProto,
     UserMovedMessage as UserMovedMessageTsProto,
     GroupUpdateMessage as GroupUpdateMessageTsProto,
     GroupDeleteMessage as GroupDeleteMessageTsProto,
     UserJoinedMessage as UserJoinedMessageTsProto,
     UserLeftMessage as UserLeftMessageTsProto,
-    ItemEventMessage as ItemEventMessageTsProto,
     EmoteEventMessage as EmoteEventMessageTsProto,
-    VariableMessage as VariableMessageTsProto,
     PlayerDetailsUpdatedMessage as PlayerDetailsUpdatedMessageTsProto,
-    WorldFullWarningMessage,
     WebRtcDisconnectMessage as WebRtcDisconnectMessageTsProto,
-    PlayGlobalMessage as PlayGlobalMessageTsProto,
-    StopGlobalMessage as StopGlobalMessageTsProto,
     SendJitsiJwtMessage as SendJitsiJwtMessageTsProto,
-    SendUserMessage as SendUserMessageTsProto,
-    BanUserMessage as BanUserMessageTsProto,
     ClientToServerMessage as ClientToServerMessageTsProto,
     PositionMessage as PositionMessageTsProto,
     ViewportMessage as ViewportMessageTsProto,
@@ -55,8 +43,6 @@ import {
     CharacterLayerMessage,
 } from "../Messages/ts-proto-generated/messages";
 import { Subject } from "rxjs";
-import { OpenPopupEvent } from "../Api/Events/OpenPopupEvent";
-import { match } from "assert";
 import { selectCharacterSceneVisibleStore } from "../Stores/SelectCharacterStore";
 import { gameManager } from "../Phaser/Game/GameManager";
 import { SelectCharacterScene, SelectCharacterSceneName } from "../Phaser/Login/SelectCharacterScene";
@@ -116,6 +102,9 @@ export class RoomConnection implements RoomConnection {
     private readonly _groupUpdateMessageStream = new Subject<GroupCreatedUpdatedMessageInterface>();
     public readonly groupUpdateMessageStream = this._groupUpdateMessageStream.asObservable();
 
+    private readonly _groupUsersUpdateMessageStream = new Subject<GroupUsersUpdateMessageInterface>();
+    public readonly groupUsersUpdateMessageStream = this._groupUsersUpdateMessageStream.asObservable();
+
     private readonly _groupDeleteMessageStream = new Subject<GroupDeleteMessageTsProto>();
     public readonly groupDeleteMessageStream = this._groupDeleteMessageStream.asObservable();
 
@@ -443,6 +432,10 @@ export class RoomConnection implements RoomConnection {
                     this._sendJitsiJwtMessageStream.next(message.sendJitsiJwtMessage);
                     break;
                 }
+                case "groupUsersUpdateMessage": {
+                    this._groupUsersUpdateMessageStream.next(message.groupUsersUpdateMessage);
+                    break;
+                }
                 case "sendUserMessage": {
                     adminMessagesService.onSendusermessage(message.sendUserMessage);
                     break;
@@ -675,6 +668,7 @@ export class RoomConnection implements RoomConnection {
             groupId: message.groupId,
             position: position,
             groupSize: message.groupSize,
+            locked: message.locked,
         };
     }
 
@@ -890,6 +884,19 @@ export class RoomConnection implements RoomConnection {
         this.socket.send(bytes);
     }
 
+    public emitLockGroup(lock: boolean = true): void {
+        const bytes = ClientToServerMessageTsProto.encode({
+            message: {
+                $case: "lockGroupPromptMessage",
+                lockGroupPromptMessage: {
+                    lock,
+                },
+            },
+        }).finish();
+
+        this.socket.send(bytes);
+    }
+
     public getAllTags(): string[] {
         return this.tags;
     }

front/src/Phaser/Game/GameScene.ts

@@ -76,6 +76,7 @@ import { userIsAdminStore } from "../../Stores/GameStore";
 import { contactPageStore } from "../../Stores/MenuStore";
 import type { WasCameraUpdatedEvent } from "../../Api/Events/WasCameraUpdatedEvent";
 import { audioManagerFileStore } from "../../Stores/AudioManagerStore";
+import { currentPlayerGroupIdStore, currentPlayerGroupLockStateStore } from "../../Stores/CurrentPlayerGroupStore";
 
 import EVENT_TYPE = Phaser.Scenes.Events;
 import Texture = Phaser.Textures.Texture;
@@ -178,6 +179,7 @@ export class GameScene extends DirtyScene {
     private volumeStoreUnsubscribers: Map<number, Unsubscriber> = new Map<number, Unsubscriber>();
     private localVolumeStoreUnsubscriber: Unsubscriber | undefined;
     private followUsersColorStoreUnsubscribe!: Unsubscriber;
+    private currentPlayerGroupIdStoreUnsubscribe!: Unsubscriber;
 
     private biggestAvailableAreaStoreUnsubscribe!: () => void;
     MapUrlFile: string;
@@ -219,6 +221,7 @@ export class GameScene extends DirtyScene {
     private loader: Loader;
     private lastCameraEvent: WasCameraUpdatedEvent | undefined;
     private firstCameraUpdateSent: boolean = false;
+    private currentPlayerGroupId?: number;
     public readonly superLoad: SuperLoaderPlugin;
 
     constructor(private room: Room, MapUrlFile: string, customKey?: string | undefined) {
@@ -724,6 +727,10 @@ export class GameScene extends DirtyScene {
             }
         });
 
+        this.currentPlayerGroupIdStoreUnsubscribe = currentPlayerGroupIdStore.subscribe((groupId) => {
+            this.currentPlayerGroupId = groupId;
+        });
+
         Promise.all([
             this.connectionAnswerPromiseDeferred.promise as Promise<unknown>,
             ...scriptPromises,
@@ -855,6 +862,11 @@ export class GameScene extends DirtyScene {
                     });
                 });
 
+                this.connection.groupUsersUpdateMessageStream.subscribe((message) => {
+                    // TODO: how else can we deduce our current group?
+                    currentPlayerGroupIdStore.set(message.groupId);
+                });
+
                 /**
                  * Triggered when we receive the JWT token to connect to Jitsi
                  */
@@ -985,7 +997,9 @@ export class GameScene extends DirtyScene {
         context.arc(48, 48, 48, 0, 2 * Math.PI, false);
         // context.lineWidth = 5;
         context.strokeStyle = "#ffffff";
+        context.fillStyle = "#ffffff44";
         context.stroke();
+        context.fill();
         this.circleTexture.refresh();
 
         //create red circle canvas use to create sprite
@@ -995,7 +1009,9 @@ export class GameScene extends DirtyScene {
         contextRed.arc(48, 48, 48, 0, 2 * Math.PI, false);
         //context.lineWidth = 5;
         contextRed.strokeStyle = "#ff0000";
+        contextRed.fillStyle = "#ff000044";
         contextRed.stroke();
+        contextRed.fill();
         this.circleRedTexture.refresh();
     }
 
@@ -1884,12 +1900,15 @@ export class GameScene extends DirtyScene {
                 case "GroupCreatedUpdatedEvent":
                     this.doShareGroupPosition(event.event);
                     break;
-                case "DeleteGroupEvent":
-                    this.doDeleteGroup(event.groupId);
-                    break;
                 case "PlayerDetailsUpdated":
                     this.doUpdatePlayerDetails(event.details);
                     break;
+                case "DeleteGroupEvent": {
+                    this.doDeleteGroup(event.groupId);
+                    currentPlayerGroupIdStore.set(undefined);
+                    currentPlayerGroupLockStateStore.set(undefined);
+                    break;
+                }
                 default: {
                     const tmp: never = event;
                 }
@@ -2063,11 +2082,16 @@ export class GameScene extends DirtyScene {
             this,
             Math.round(groupPositionMessage.position.x),
             Math.round(groupPositionMessage.position.y),
-            groupPositionMessage.groupSize === MAX_PER_GROUP ? "circleSprite-red" : "circleSprite-white"
+            groupPositionMessage.groupSize === MAX_PER_GROUP || groupPositionMessage.locked
+                ? "circleSprite-red"
+                : "circleSprite-white"
         );
         sprite.setDisplayOrigin(48, 48);
         this.add.existing(sprite);
         this.groups.set(groupPositionMessage.groupId, sprite);
+        if (this.currentPlayerGroupId === groupPositionMessage.groupId) {
+            currentPlayerGroupLockStateStore.set(groupPositionMessage.locked);
+        }
         return sprite;
     }
 

front/src/Stores/CurrentPlayerGroupStore.ts

@@ -0,0 +1,4 @@
+import { writable } from "svelte/store";
+
+export const currentPlayerGroupIdStore = writable<number | undefined>(undefined);
+export const currentPlayerGroupLockStateStore = writable<boolean | undefined>(undefined);

messages/protos/messages.proto

@@ -99,6 +99,10 @@ message FollowAbortMessage {
   int32 follower = 2;
 }
 
+message LockGroupPromptMessage {
+  bool lock = 1;
+}
+
 message ClientToServerMessage {
   oneof message {
     UserMovesMessage userMovesMessage = 2;
@@ -117,6 +121,7 @@ message ClientToServerMessage {
     FollowRequestMessage followRequestMessage = 15;
     FollowConfirmationMessage followConfirmationMessage = 16;
     FollowAbortMessage followAbortMessage = 17;
+    LockGroupPromptMessage lockGroupPromptMessage = 18;
   }
 }
 
@@ -185,6 +190,7 @@ message GroupUpdateMessage {
   int32 groupId = 1;
   PointMessage position = 2;
   int32 groupSize = 3;
+  bool locked = 4;
 }
 
 message GroupDeleteMessage {
@@ -216,6 +222,11 @@ message ItemStateMessage {
   string stateJson = 2;
 }
 
+message GroupUsersUpdateMessage {
+  int32 groupId = 1;
+  repeated int32 userIds = 2;
+}
+
 message RoomJoinedMessage {
   //repeated UserJoinedMessage user = 1;
   //repeated GroupUpdateMessage group = 2;
@@ -316,6 +327,7 @@ message ServerToClientMessage {
     FollowConfirmationMessage followConfirmationMessage = 22;
     FollowAbortMessage followAbortMessage = 23;
     InvalidTextureMessage invalidTextureMessage = 24;
+    GroupUsersUpdateMessage groupUsersUpdateMessage = 25;
   }
 }
 
@@ -358,6 +370,7 @@ message GroupUpdateZoneMessage {
   PointMessage position = 2;
   int32  groupSize = 3;
   Zone fromZone = 4;
+  bool locked = 5;
 }
 
 message GroupLeftZoneMessage {
@@ -403,6 +416,7 @@ message PusherToBackMessage {
     FollowRequestMessage followRequestMessage = 16;
     FollowConfirmationMessage followConfirmationMessage = 17;
     FollowAbortMessage followAbortMessage = 18;
+    LockGroupPromptMessage lockGroupPromptMessage = 19;
   }
 }
 

pusher/src/Controller/IoSocketController.ts

@@ -21,6 +21,7 @@ import {
     FollowConfirmationMessage,
     FollowAbortMessage,
     VariableMessage,
+    LockGroupPromptMessage,
 } from "../Messages/generated/messages_pb";
 import { UserMovesMessage } from "../Messages/generated/messages_pb";
 import { parse } from "query-string";
@@ -561,6 +562,11 @@ export class IoSocketController {
                     );
                 } else if (message.hasFollowabortmessage()) {
                     socketManager.handleFollowAbort(client, message.getFollowabortmessage() as FollowAbortMessage);
+                } else if (message.hasLockgrouppromptmessage()) {
+                    socketManager.handleLockGroup(
+                        client,
+                        message.getLockgrouppromptmessage() as LockGroupPromptMessage
+                    );
                 }
 
                 /* Ok is false if backpressure was built up, wait for drain */

pusher/src/Model/Zone.ts

@@ -123,19 +123,25 @@ export class UserDescriptor {
 }
 
 export class GroupDescriptor {
-    private constructor(public readonly groupId: number, private groupSize: number, private position: PointMessage) {}
+    private constructor(
+        public readonly groupId: number,
+        private groupSize: number,
+        private position: PointMessage,
+        private locked: boolean
+    ) {}
 
     public static createFromGroupUpdateZoneMessage(message: GroupUpdateZoneMessage): GroupDescriptor {
         const position = message.getPosition();
         if (position === undefined) {
             throw new Error("Missing position");
         }
-        return new GroupDescriptor(message.getGroupid(), message.getGroupsize(), position);
+        return new GroupDescriptor(message.getGroupid(), message.getGroupsize(), position, message.getLocked());
     }
 
     public update(groupDescriptor: GroupDescriptor) {
         this.groupSize = groupDescriptor.groupSize;
         this.position = groupDescriptor.position;
+        this.locked = groupDescriptor.locked;
     }
 
     public toGroupUpdateMessage(): GroupUpdateMessage {
@@ -146,7 +152,7 @@ export class GroupDescriptor {
         groupUpdateMessage.setGroupid(this.groupId);
         groupUpdateMessage.setGroupsize(this.groupSize);
         groupUpdateMessage.setPosition(this.position);
-
+        groupUpdateMessage.setLocked(this.locked);
         return groupUpdateMessage;
     }
 }
@@ -206,9 +212,7 @@ export class Zone {
                         this.notifyGroupMove(groupDescriptor);
                     } else {
                         this.groups.set(groupId, groupDescriptor);
-
                         const fromZone = groupUpdateZoneMessage.getFromzone();
-
                         this.notifyGroupEnter(groupDescriptor, fromZone?.toObject());
                     }
                 } else if (message.hasUserleftzonemessage()) {

pusher/src/Services/SocketManager.ts

@@ -38,6 +38,7 @@ import {
     ErrorMessage,
     WorldFullMessage,
     PlayerDetailsUpdatedMessage,
+    LockGroupPromptMessage,
     InvalidTextureMessage,
 } from "../Messages/generated/messages_pb";
 import { ProtobufUtils } from "../Model/Websocket/ProtobufUtils";
@@ -304,6 +305,12 @@ export class SocketManager implements ZoneEventListener {
         client.backConnection.write(pusherToBackMessage);
     }
 
+    handleLockGroup(client: ExSocketInterface, message: LockGroupPromptMessage): void {
+        const pusherToBackMessage = new PusherToBackMessage();
+        pusherToBackMessage.setLockgrouppromptmessage(message);
+        client.backConnection.write(pusherToBackMessage);
+    }
+
     onEmote(emoteMessage: EmoteEventMessage, listener: ExSocketInterface): void {
         const subMessage = new SubMessage();
         subMessage.setEmoteeventmessage(emoteMessage);