Delete SnowballFight.js
Removing SnowballFight.js because it will be used as an exercise. An improved version will be posted in a separate repository coming soon.
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Walter Higgins
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/*************************************************************************
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## SnowballFight mini-game
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### Description
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This is a rough and ready prototype of a simple multi-player
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shoot-em-up. To start a game with all players playing against one another...
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/js new Game_SnowballFight(60).start();
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... this obviously works best if all of the players are in close
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proximity within the same game world. Alternatively you can have team
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matches...
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/js var redTeam = ['<player1>','<player2>',...etc]
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/js var blueTeam = ['<player3>','<player4>,...etc]
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/js var greenTeam = ['<player5>','<player6>,...etc]
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/js new Game_SnowballFight(60, {red: redTeam,blue: blueTeam,green: greenTeam}).start();
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Or you can just have specific players play against each other...
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/js new Game_SnowballFight(60, ['player1','player2','player3']).start();
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(where 'player1' etc are the names of actual players)
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You specify the teams in the game as an object where each property's
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name is a team name and each property's value is the list of players
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on that team. You specify the duration of the game (in seconds) You
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kick off the game with the start() method. I need to work on a
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better in-game mechanism for players to choose teams and start the
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game but this will do for now.
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When the game starts, each player is put in survival mode and given
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snowballs. The aim of the game is to hit players on opposing teams. If
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you hit a player on your own team, you lose a point.
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At the end of the game the scores for each team are broadcast and each
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player returns to their previous mode of play (creative or
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survival). Create a small arena with a couple of small buildings for
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cover to make the game more fun.
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***/
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var bkGameMode = org.bukkit.GameMode,
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bkItemStack = org.bukkit.inventory.ItemStack,
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bkMaterial = org.bukkit.Material,
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bkSnowball = org.bukkit.entity.Snowball;
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var _startGame = function( gameState ) {
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var i,
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teamName,
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team,
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player;
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// don't let game start if already in progress (wait for game to finish)
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if ( gameState.inProgress ) {
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return;
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}
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gameState.inProgress = true;
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// reset timer
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gameState.duration = gameState.originalDuration;
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// put all players in survival mode and give them each 200 snowballs
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// 64 snowballs for every 30 seconds should be more than enough
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for ( i = 10; i < gameState.duration; i += 10 ) {
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gameState.ammo.push( gameState.ammo[ 0 ] );
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}
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for ( teamName in gameState.teams ) {
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gameState.teamScores[teamName] = 0;
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team = gameState.teams[ teamName ];
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for ( i = 0; i < team.length; i++ ) {
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player = server.getPlayer( team[i] );
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gameState.savedModes[ player.name ] = player.gameMode;
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player.gameMode = bkGameMode.SURVIVAL;
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player.inventory.addItem( gameState.ammo );
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}
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}
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};
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/*
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end the game
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*/
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var _endGame = function( gameState ) {
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var scores = [],
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leaderBoard = [],
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tn,
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i,
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teamName,
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team,
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player,
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handlerList;
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leaderBoard = [];
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for ( tn in gameState.teamScores){
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leaderBoard.push([tn,gameState.teamScores[tn]]);
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}
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leaderBoard.sort(function(a,b){ return b[1] - a[1];});
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for ( i = 0; i < leaderBoard.length; i++ ) {
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scores.push( 'Team ' + leaderBoard[i][0] + ' scored ' + leaderBoard[i][1] );
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}
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for ( teamName in gameState.teams ) {
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team = gameState.teams[teamName];
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for ( i = 0; i < team.length; i++ ) {
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// restore player's previous game mode and take back snowballs
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player = server.getPlayer( team[i] );
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player.gameMode = gameState.savedModes[ player.name ];
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player.inventory.removeItem( gameState.ammo );
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player.sendMessage( 'GAME OVER.' );
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player.sendMessage( scores );
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}
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}
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gameState.listener.unregister();
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gameState.inProgress = false;
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};
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/*
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get the team the player belongs to
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*/
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var _getTeam = function( player, pteams ) {
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var teamName,
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team,
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i;
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for ( teamName in pteams ) {
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team = pteams[ teamName ];
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for ( i = 0; i < team.length; i++ ) {
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if ( team[i] == player.name ) {
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return teamName;
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}
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}
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}
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return null;
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};
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/*
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construct a new game
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*/
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var createGame = function( duration, teams ) {
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var players,
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i,
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_snowBalls = new bkItemStack( bkMaterial.SNOW_BALL, 64 );
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var _gameState = {
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teams: teams,
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duration: duration,
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originalDuration: duration,
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inProgress: false,
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teamScores: {},
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listener: null,
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savedModes: {},
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ammo: [ _snowBalls ]
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};
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if ( typeof duration == 'undefined' ) {
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duration = 60;
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}
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if ( typeof teams == 'undefined' ) {
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/*
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wph 20130511 use all players
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*/
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teams = [];
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players = server.onlinePlayers;
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for ( i = 0; i < players.length; i++ ) {
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teams.push( players[i].name );
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}
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}
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//
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// allow for teams param to be either {red:['player1','player2'],blue:['player3']} or
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// ['player1','player2','player3'] if all players are against each other (no teams)
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//
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if ( teams instanceof Array ) {
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_gameState.teams = {};
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for ( i = 0;i < teams.length; i++ ) {
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_gameState.teams[ teams[i] ] = [ teams[i] ];
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}
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}
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/*
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this function is called every time a player is damaged by another entity/player
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*/
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var _onSnowballHit = function( event ) {
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var snowball = event.damager;
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if ( !snowball || !( snowball instanceof bkSnowball ) ) {
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return;
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}
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var throwersTeam = _getTeam( snowball.shooter, _gameState.teams );
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var damageeTeam = _getTeam( event.entity, _gameState.teams);
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if ( !throwersTeam || !damageeTeam ) {
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return; // thrower/damagee wasn't in game
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}
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if ( throwersTeam != damageeTeam ) {
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_gameState.teamScores[ throwersTeam ]++;
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} else {
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_gameState.teamScores[ throwersTeam ]--;
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}
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};
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return {
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start: function( ) {
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_startGame( _gameState );
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_gameState.listener = events.entityDamageByEntity( _onSnowballHit );
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new java.lang.Thread( function( ) {
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while ( _gameState.duration-- ) {
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java.lang.Thread.sleep( 1000 ); // sleep 1,000 millisecs (1 second)
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}
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_endGame(_gameState);
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} ).start( );
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}
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};
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};
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exports.Game_SnowballFight = createGame;
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