bit of game logic

1 files changed, 97 insertions, 10 deletions

diff --git a/server.js b/server.js
index 6e1d5f5..e731c34 100644
--- a/server.js
+++ b/server.js
@@ -31,6 +31,10 @@ app.get('/latest', function(req, res){
 app.post('/upload', function(req, res) {
 
   var nick = req.body.nick;
+  
+  if (nick in game.images) return;
+  if (game.state != State.DRAWING) return;
+  
   var image = new Buffer(req.body.image, 'base64');
   var filename = "/test/" + nick + "-" + Date.now() + "-" + "test" + ".png";
 
@@ -43,10 +47,12 @@ app.post('/upload', function(req, res) {
 		if (200 == s3res.statusCode) {
 			console.log('saved to %s', s3req.url);
 
-			io.sockets.emit( 'event-image', {
+			var imageData = {
 				'nick': nick,
 				'url': s3req.url
-			});
+			}
+			
+			game.pushImage( imageData );
 		}
 	});
 
@@ -56,24 +62,35 @@ app.post('/upload', function(req, res) {
 */
 
 var State = {
+	RESET: -1,
  	WAITING: 0,
 	DRAWING: 1,
 	VOTING: 2,
-	WIN: 3,
-	RESET: -1,
+	WINNING: 3,
 };
+var Delay = {
+	DRAWING: 60,
+	VOTING: 30,
+	WINNING: 30,
+}
 function Channel() {
 	this.state = State.WAITING;
   this.messages = [];
+	this.message_id = 0;
+	this.players = {};
+  this.playerCount = 0;
   this.images = {};
   this.imageCount = 0;
-	this.players = {};
-	this.message_id = 0;
+	this.word = "";
+	this.timer = null;
 }
-Channel.prototype.join = function(user){
-	// socket.id
+Channel.prototype.join = function(user, socket.id){
+	this.playerCount++;
 }
-Channel.prototype.push = function(message){
+Channel.prototype.part = function(){
+	this.playerCount = Math.max( 0, this.playerCount - 1 );
+}
+Channel.prototype.pushMessage = function(message){
   if (this.messages.length > 20) this.messages.shift();
   this.messages.push(message);
 }
@@ -84,22 +101,92 @@ Channel.prototype.report = function(){
 		players: this.players
 	}
 }
+Channel.prototype.pushImage = function(image){
+	this.imageCount++;
+	this.images[ image.nick ] = image;
+	io.sockets.emit( 'event-image', imageData );
+	if (this.imageCount == this.playerCount) this.startVoting();
+}
+Channel.prototype.checkState = function(){
+	if ( this.hasEnoughPlayers() ) {
+  	if (this.state <= State.WAITING) {
+			this.newRound();
+		}
+	}
+	else {
+  	if (this.state > State.WAITING) {
+			this.state = State.WAITING;
+		}
+	}
+}
+Channel.prototype.newWord = function(){
+	return choice(WORDS);
+}
+Channel.prototype.newRound = function(){
+	this.state = State.DRAWING;
+	this.word = this.newWord();
+	this.images = {};
+	this.imageCount = 0;
+	io.sockets.emit( 'event-state', this.getState() );
+	this.setTimeout( this.startVoting, Delay.DRAWING );
+}
+Channel.prototype.startVoting = function(){
+	this.state = State.VOTING;
+	io.sockets.emit( 'event-state', this.getState() );
+	this.setTimeout( this.startWinning, Delay.VOTING );
+}
+Channel.prototype.startWinning = function(){
+	this.state = State.WINNING;
+	io.sockets.emit( 'event-state', this.getState() );
+	this.setTimeout( this.startWinning, Delay.WINNING );
+}
+Channel.prototype.setTimeout = function( callback, delay ){
+	var owner = this;
+	if (this.timeout) clearTimeout( this.timeout );
+	this.timeout = setTimeout( function(){ callback.call( owner ) }, delay );
+}
+Channel.prototype.getState = function(){
+	return {
+		state: this.state,
+		word: this.word,
+		players: this.players,
+		images: this.images,
+		imageCount: this.imageCount,
+	}
+}
+Channel.prototype.hasEnoughPlayers = function(){
+	var count = 0;
+	for (var i in this.players) {
+		if (++count > 2) return true;
+	}
+	return false;
+}
 
 var game = new Channel ();
 io.sockets.on( 'connection', function(socket){
   socket.emit( 'event-welcome', game.report() );
   socket.on( 'event-join', function(data){
+  	game.join(data);
+		game.checkState();
 		socket.broadcast.emit('event-join', data);
   } );
   socket.on( 'event-message', function(data){
-  	game.push(data);
+  	game.pushMessage(data);
 		socket.broadcast.emit('event-message', data);
   } );
 	socket.on( 'disconnect', function(data){
+  	game.part(data);
+  	game.checkState();
 		socket.broadcast.emit('event-part', data);
 	} );
 });
 
+/******************************* ETC
+*/
+function choice (l) { return l[ rand(l.length) ] }
+function rand (n) { return Math.floor( Math.random() * n ) }
+
+
 /******************************* DONE
 */