@colyseus/core/build/rooms/LobbyRoom.mjs

Multiplayer Framework for Node.js.

// packages/core/src/rooms/LobbyRoom.ts
import * as matchMaker from "../MatchMaker.mjs";
import { subscribeLobby } from "../matchmaker/Lobby.mjs";
import { Room } from "../Room.mjs";
var LobbyRoom = class extends Room {
  constructor() {
    super(...arguments);
    // tslint:disable-line
    this.rooms = [];
    this.clientOptions = {};
  }
  async onCreate(options) {
    this.listing.unlisted = true;
    this.unsubscribeLobby = await subscribeLobby((roomId, data) => {
      const roomIndex = this.rooms.findIndex((room) => room.roomId === roomId);
      const clients = this.clients.filter((client) => this.clientOptions[client.sessionId]);
      if (!data) {
        if (roomIndex !== -1) {
          const previousData = this.rooms[roomIndex];
          this.rooms.splice(roomIndex, 1);
          clients.forEach((client) => {
            if (this.filterItemForClient(previousData, this.clientOptions[client.sessionId].filter)) {
              client.send("-", roomId);
            }
          });
        }
      } else if (roomIndex === -1) {
        this.rooms.push(data);
        clients.forEach((client) => {
          if (this.filterItemForClient(data, this.clientOptions[client.sessionId].filter)) {
            client.send("+", [roomId, data]);
          }
        });
      } else {
        const previousData = this.rooms[roomIndex];
        this.rooms[roomIndex] = data;
        clients.forEach((client) => {
          const hadData = this.filterItemForClient(previousData, this.clientOptions[client.sessionId].filter);
          const hasData = this.filterItemForClient(data, this.clientOptions[client.sessionId].filter);
          if (hadData && !hasData) {
            client.send("-", roomId);
          } else if (hasData) {
            client.send("+", [roomId, data]);
          }
        });
      }
    });
    this.rooms = await matchMaker.query({ private: false, unlisted: false });
    this.onMessage("filter", (client, filter) => {
      this.clientOptions[client.sessionId].filter = filter;
      client.send("rooms", this.filterItemsForClient(this.clientOptions[client.sessionId]));
    });
  }
  onJoin(client, options) {
    this.clientOptions[client.sessionId] = options || {};
    client.send("rooms", this.filterItemsForClient(this.clientOptions[client.sessionId]));
  }
  onLeave(client) {
    delete this.clientOptions[client.sessionId];
  }
  onDispose() {
    if (this.unsubscribeLobby) {
      this.unsubscribeLobby();
    }
  }
  filterItemsForClient(options) {
    const filter = options.filter;
    return filter ? this.rooms.filter((room) => this.filterItemForClient(room, filter)) : this.rooms;
  }
  filterItemForClient(room, filter) {
    if (!filter) {
      return true;
    }
    let isAllowed = true;
    if (filter.name !== room.name) {
      isAllowed = false;
    }
    if (filter.metadata) {
      for (const field in filter.metadata) {
        if (room.metadata[field] !== filter.metadata[field]) {
          isAllowed = false;
          break;
        }
      }
    }
    return isAllowed;
  }
};
export {
  LobbyRoom
};