node-haxball/examples/plugins/CMD_voteMap.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

module.exports = function (API) {
  const { OperationType, VariableType, ConnectionState, AllowFlags, Direction, CollisionFlags, CameraFollow, BackgroundType, GamePlayState, BanEntryType, Callback, Utils, Room, Replay, Query, Library, RoomConfig, Plugin, Renderer, Errors, Language, EventFactory, Impl } = API;
  Object.setPrototypeOf(this, Plugin.prototype);
  Plugin.call(this, "CMD_voteMap", true, { // "CMD_voteMap" is plugin's name, "true" means "activated just after initialization". Every plugin should have a unique name.
    version: "0.1",
    author: "abc",
    description: "This plugin allows us to send files to other players.",
    allowFlags: AllowFlags.CreateRoom // We allow this plugin to be activated on CreateRoom only.
  });

  this.defineVariable({
    name: "activate",
    description: "Activates the map voting.",
    type: VariableType.Void,
    value: ()=>{
      that.room.librariesMap.userInteractions?.activateInteraction(null, votingInteraction, new Map());
    }
  });

  var that = this, votingInteraction = null;

  this.initialize = function(){
    var voteValues;
    that.room.librariesMap.commands?.add({
      name: "votemap",
      parameters: [{
        name: "vote",
        type: VariableType.String
      }],
      minParameterCount: 1,
      helpText: "Vote for a map.",
      callback: ({vote}, byId) => {
        if (!Object.keys(voteValues).includes(vote))
          return;
        that.room.librariesMap.userInteractions?.onInput(null, vote, byId);
      }
    });
    votingInteraction = that.room.librariesMap.userInteractions?.createVotingChatInteraction((activeInteraction)=>{
      voteValues = {};
      Utils.getDefaultStadiums().forEach((stadium)=>{
        voteValues[stadium.Bh]=stadium.name;
      });
      return "Voting has started. Answer with !votemap [value]. Accepted values are: \n"+Object.keys(voteValues).map(x=>x+": "+voteValues[x]).join("\n");
    }, (activeInteraction, currentPlayerId, input)=>{
      if (voteValues[input]!=null)
        activeInteraction.data.set(currentPlayerId, input);
    }, (activeInteraction)=>{
      var x={}, max=-1, maxv=null;
      activeInteraction.data.forEach((v)=>{
        x[v]=(x[v]||0)+1;
        if (x[v]>max){
          max=x[v];
          maxv=v;
        }
      });
      var s = Utils.getDefaultStadiums()[maxv];
      if (!s)
        return;
      that.room.stopGame();
      that.room.setCurrentStadium(s);
      that.room.startGame();
    });
  };

  this.finalize = function(){
    that.room.librariesMap.commands?.remove("votemap");
    votingInteraction = null;
  };

}