node-haxball/examples/roomConfigs/method1/modifyPlayerData.js

The most powerful and lightweight API that allows you to develop your original Haxball(www.haxball.com) host, client, and standalone applications both on node.js and browser environments and also includes every possible hack and functionality that you can

const { OperationType, VariableType, ConnectionState, AllowFlags, Direction, CollisionFlags, CameraFollow, BackgroundType, GamePlayState, Callback, Utils, Room, Replay, Query, Library, RoomConfig, Plugin, Renderer, Errors, Language, Impl } = API = require("../../../src/index");

function roomCallback(room){ // examples start from here.

  room.modifyPlayerData = function(playerId, name, flag, avatar, conn, auth, customData){ // this is host-only.
    if (name=="abc")
      return null;  // block anyone trying to join the room with name "abc", before he can join the room.
    return [
      "[" + playerId + "] " + name, // prefix everyone's name with [playerId]
      "tr", // set everyone's flag to tr
      avatar // do not change avatars
    ];
  };

}