fixed #58

.gitignore

@@ -1,5 +1,4 @@
 node_modules/
 *.log
 .DS_Store
-pixi.js/
 lab/audio/

app/Game/Channel/Channel.js

@@ -9,7 +9,7 @@
 
     function (GameController, Nc, User, ProtocolHelper, Options, Settings) {
 
-        function Channel (pipeToServer, name, options) {
+        function Channel (pipeToServer, options) {
 
             var self = this;
 
@@ -17,7 +17,7 @@
                 levelUids: Settings.DEFAULT_LEVELS
             });
             
-            this.name = name;
+            this.name = options.channelName;
             this.users = {};
 
             this.pipeToServer = pipeToServer;
@@ -34,11 +34,13 @@
             Nc.on('broadcastGameCommand', this.broadcastGameCommand, this);
             Nc.on('broadcastGameCommandExcept', this.broadcastGameCommandExcept, this);
 
-            console.checkpoint('channel ' + name + ' created');
-        }
+            console.checkpoint('channel ' + this.name + ' created');
 
-        Channel.validateName = function (name) {
-            return true;
+            setTimeout(function() {
+                if(Object.keys(self.users).length < 1) {
+                    self.destroy();
+                }
+            }, Settings.CHANNEL_DESTRUCTION_TIME * 1000);
         }
 
 
@@ -81,10 +83,21 @@
 
         Channel.prototype.onReleaseUser = function (userId) {
             var user = this.users[userId];
-            this.broadcastControlCommandExcept("userLeft", user.id, user);
-            Nc.trigger('user/left', user);
-            delete this.users[user.id];
+            Nc.trigger('user/left', userId);
+            delete this.users[userId];
+
+            this.broadcastControlCommand("userLeft", userId);
+            
+            // FIXME: if this was the last user terminate forked process
+            if(Object.keys(this.users).length < 1) {
+                this.destroy();
             }
+        }
+
+        Channel.prototype.destroy = function() {
+            console.checkpoint("channel (" + this.name + ") destroyed");
+            this.pipeToServer.destroy();
+        };
 
 
         // Sending commands

app/Game/Channel/GameController.js

@@ -21,7 +21,7 @@ function (Parent, PhysicsEngine, Settings, PlayerController, requestAnimFrame, N
         Parent.call(this);
 
         Nc.on('user/joined', this.onUserJoined, this);
-        Nc.on('user/left', this.onUserLeft, this); // FIXME: refactor this.userLeft -> this.onUserLeft, even in core and client
+        Nc.on('user/left', this.onUserLeft, this);
         Nc.on('user/resetLevel', this.onResetLevel, this);
         Nc.on('user/clientReady', this.onClientReady, this);
         Nc.on('player/killed', this.onPlayerKilled, this);

app/Game/Channel/PipeToServer.js

@@ -17,10 +17,9 @@ function (Nc, Channel) {
         process.on('message', function (message, handle) {
 
             if(message.data.hasOwnProperty('CREATE')) {
-                self.channel = new Channel(this, message.data['CREATE']);
+                self.channel = new Channel(self, message.data.options);
             } else if (message.data.hasOwnProperty('KILL')) {
                 self.channel.destroy();
-                process.exit(0);
             } else {
                 self.onMessage(message);
             }
@@ -41,6 +40,11 @@ function (Nc, Channel) {
         Nc.trigger(message.recipient + '/controlCommand', message);    
     }
 
+    PipeToServer.prototype.destroy = function() {
+        this.send('coordinator', {destroy:this.channel.name});
+        this.process.exit(0);
+    };
+
     return PipeToServer;
 
 });

app/Game/Client/Networker.js

@@ -20,7 +20,8 @@ function (ProtocolHelper, GameController, User, Nc, Settings, DomController) {
 
         var self = this;
         this.socketLink.on('message', function (message) {
-            if(Settings.NETWORK_LOG_INCOMING) {
+            var m = JSON.parse(message)
+            if(Settings.NETWORK_LOG_INCOMING && !m.gameCommand) {
                 console.log('INCOMING', message);
             }
             ProtocolHelper.applyCommand(message, self);
@@ -35,8 +36,13 @@ function (ProtocolHelper, GameController, User, Nc, Settings, DomController) {
     Networker.prototype.onConnect = function () {
         console.log('connected.')
         var channel = JSON.parse(localStorage["channel"]);
+        var player = JSON.parse(localStorage["player"]);
         if(channel.name) {
-            this.sendCommand('join', channel.name);
+            var options = {
+                channelName: channel.name,
+                nickname: player.nickname
+            }
+            this.sendCommand('join', options);
         } else {
             window.location.href = "/";
         }
@@ -67,6 +73,11 @@ function (ProtocolHelper, GameController, User, Nc, Settings, DomController) {
         this.initPing();
     }
 
+    Networker.prototype.onJoinError = function(options) {
+        alert(options.message);
+        window.location.href = "/";
+    };
+
     Networker.prototype.onLevelLoaded = function() {  
         for (var userId in this.users) {
             this.gameController.createPlayer(this.users[userId]);
@@ -116,8 +127,7 @@ function (ProtocolHelper, GameController, User, Nc, Settings, DomController) {
     }
 
     Networker.prototype.onUserLeft = function (userId) {
-        var user = this.users[userId];
-        this.gameController.onUserLeft(user);
+        this.gameController.onUserLeft(userId);
         delete this.users[userId];
     }
 

app/Game/Config/Settings.js

@@ -62,6 +62,7 @@ define(function() {
 
         // NETWORKING
         WORLD_UPDATE_BROADCAST_INTERVAL: 70,
+        CHANNEL_DESTRUCTION_TIME: 30,
         NETWORK_LOG_INCOMING: false,
         NETWORK_LOG_OUTGOING: false
     }

app/Game/Core/GameController.js

@@ -79,14 +79,18 @@ function (PhysicsEngine, TiledLevel, Player, Nc) {
     }
     */
 
-    GameController.prototype.onUserLeft = function (user) {
-        var player = this.players[user.id];
+    GameController.prototype.onUserLeft = function (userId) {
+        var player = this.players[userId];
+        if(!player) {
+            console.warn("User (", userId ,") left who has not joined");
+            return;
+        }
 
         var i = this.gameObjects.animated.indexOf(player);
         if(i>=0) this.gameObjects.animated.splice(i, 1);
 
         player.destroy();
-        delete this.players[user.id];
+        delete this.players[userId];
     }
 
     GameController.prototype.createPlayer = function(user) {

app/Lib/Utilities/NotificationCenter.js

@@ -65,11 +65,8 @@ function () {
                     }
                 }
             },
-            server: {
-                pipeToServer: function(v) { return v + "-ns.server.pipeToServer")}
-            },
-            lobby: {
-
+            channel: {
+                pipeToServer: function(v) { return v + "-ns.channel.pipeToServer")}
             }
 
         };

app/Server/Api.js

@@ -13,19 +13,26 @@ function (Nc, ProtocolHelper) {
  
 		Api.prototype.handleCall = function(queryParameters) {
 
-    	var command;
+			var command,
+					output = null;
+					
 			try {
 				var message = JSON.parse(queryParameters);
 				command = message.command;
 			} catch(e) {
+				this.isError = true;
+				output = "JSON syntax error";
 				console.error(e)
 			}
 
-    	var output = null;
 			switch(command) {
 				case "getChannels":
 					output = this.coordinator.getChannels();
 					break;
+				case "createChannel":
+					// FIXME: sanitize input
+					output = this.createChannel(message.options);
+					break;
 				default:
 					this.isError = true;
 					output = "Command not found";
@@ -35,6 +42,16 @@ function (Nc, ProtocolHelper) {
 			this.output = output;
 		}
 
+		Api.prototype.createChannel = function(options) {
+			var result = this.coordinator.createChannel(options);
+			if(result !== false) {
+				return result;
+			} else {
+				this.isError = true;
+				return "Could not create channel, name might already exist.";
+			}
+		};
+
 		Api.prototype.getOutput = function() {
 			var output = {};
 			var key = this.isError ? "error" : "success";

app/Server/Coordinator.js

@@ -2,96 +2,33 @@ define([
     "Server/User", 
     "Game/Channel/Channel",
     "Server/PipeToChannel",
-    "Lib/Utilities/NotificationCenter"
+    "Lib/Utilities/NotificationCenter",
+    "Game/Config/Settings"
 ], 
 
-function (User, Channel, PipeToChannel, Nc) {
+function (User, Channel, PipeToChannel, Nc, Settings) {
 
-    function Coordinator () {
+    function Coordinator() {
     	this.channelPipes = {};
-        this.lobbyUsers = {};
+
+    	Nc.on('coordinator/message', this.onMessage, this);
 
         console.checkpoint('create Coordinator');
     }
 
     Coordinator.prototype.createUser = function (socketLink) {
-        var user = new User(socketLink, this);
-        console.checkpoint('creating user');
-        this.assignUserToLobby(user);
-    }
-
-    Coordinator.prototype.assignUserToLobby = function (user) {
-        if(user.channelPipe) {
-            //user.channel.releaseUser(user); -> generate message
-        }
-        this.lobbyUsers[user.id] = user;
-        console.checkpoint('assign user to lobby');
+    	new User(socketLink, this);
     }
 
     Coordinator.prototype.assignUserToChannel = function (user, channelName) {
-
-        if(user.channelPipe) {
-            //user.channel.releaseUser(user); -> generate message
-        }
-
-        if(!Channel.validateName(channelName)) {
-            //TODO send validation error
-            return false;
-        }
-
     	var channelPipe = this.channelPipes[channelName];
-        if(!channelPipe) {
-            this.createPipe(channelName);
+    	user.setChannelPipe(channelPipe);
     }
 
-        //channel.addUser(user);
-        //user.setChannel(channel);
-        Nc.trigger('user/joined', user);
-
-        delete this.lobbyUsers[user.id];
+    Coordinator.prototype.onDestroyPipe = function(channelName) {
+        delete this.channelPipes[channelName];
     }
 
-    Coordinator.prototype.removeUser = function (user) {
-
-        Nc.trigger('user/left', user);
-        //NotificationCenter.off('channel/' + user.channel.channelName + '/user/' + user.id);
-
-        delete this.lobbyUsers[user.id];
-    }
-
-    Coordinator.prototype.createPipe = function(channelName) {
-
-        var channelPipe = new PipeToChannel(channelName);
-        this.channelPipes[channelName] = channelPipe;
-
-        
-        Nc.on('channel/' + channelName + '/message', function (data) {
-            channelPipe.send('channel', data);
-        }, this);
-
-        // sending info to user
-        Nc.on('user/joined', function (user) {
-            /*
-            Nc.on('channel/' + channelName + '/user/' + user.id, function (recipient, data) {
-                channelPipe.send(recipient, data);
-            }, this);
-            */
-
-            channelPipe.send('channel', { addUser: user.id });
-
-        }, this);
-
-        Nc.on('user/left', function (user) {
-            channelPipe.send('channel', { releaseUser: user.id });
-        }, this);
-
-        Nc.on('user/controlCommand', function (userId, data) {
-            channelPipe.sendToUser(userId, data);
-        }, this);
-        
-        return channelPipe;
-    };
-
     Coordinator.prototype.getChannels = function(options) {
     	var list = [];
         for (var channelName in this.channelPipes) {
@@ -100,8 +37,29 @@ function (User, Channel, PipeToChannel, Nc) {
             });
         }
         return list;
+    }
+
+    Coordinator.prototype.createChannel = function(options) {
+    	if(this.channelPipes[options.channelName]) {
+    		return false;
+    	}
+
+    	var channelPipe = new PipeToChannel(options);
+    	this.channelPipes[options.channelName] = channelPipe;
+    	return {
+    		channelName: options.channelName,
+    		link: "#" + options.channelName,
+            timeout: Settings.CHANNEL_DESTRUCTION_TIME
+    	}
     };
 
+    Coordinator.prototype.onMessage = function(message) {
+    	if(message.destroy) {
+    		delete this.channelPipes[message.destroy];
+    	}
+    };
+
+ 
     return Coordinator;
  
 });

app/Server/PipeToChannel.js

@@ -7,21 +7,21 @@ function (Nc, childProcess) {
 
 	var fork = childProcess.fork;
 
-	function PipeToChannel (channelName) {
+	function PipeToChannel (options) {
 
-		this.channelPipe = null;
+		this.fork = null;
 
 		try {
-            this.channelPipe = fork('channel.js');
+            this.fork = fork('channel.js');
         } catch (err) {
             throw 'Failed to fork channel! (' + err + ')';
         }
 
-        console.checkpoint('creating channel process for ' + channelName);
+        console.checkpoint('creating channel process for ' + options.channelName);
 
-        this.send('channel/' + channelName, { CREATE: channelName });
+        this.send('channel/' + options.channelName, { CREATE: true, options: options });
 
-        this.channelPipe.on('message', this.onMessage.bind(this));
+        this.fork.on('message', this.onMessage.bind(this));
 
         var self = this;
 	}
@@ -33,7 +33,7 @@ function (Nc, childProcess) {
             data: data
         }
 
-		this.channelPipe.send(message);
+		this.fork.send(message);
 	}
 
 	// If user already created
@@ -43,7 +43,7 @@ function (Nc, childProcess) {
             data: data
         }
 		
-		this.channelPipe.send(message);
+		this.fork.send(message);
 	}
 
 	PipeToChannel.prototype.onMessage = function (message) {

app/Server/User.js

@@ -10,8 +10,8 @@ function (Parent, ProtocolHelper, Nc) {
         Parent.call(this, socketLink.id);
 
         this.coordinator = coordinator;
-        this.channelProcess = null;
         this.socketLink = socketLink;
+        this.channelPipe = null;
 
         socketLink.on('message', this.onMessage.bind(this));
         socketLink.on('disconnect', this.onDisconnect.bind(this));
@@ -21,6 +21,15 @@ function (Parent, ProtocolHelper, Nc) {
 
     User.prototype = Object.create(Parent.prototype);
 
+    User.prototype.setChannelPipe = function(channelPipe) {
+        if(channelPipe) {
+            this.channelPipe = channelPipe;
+        } else {
+            var message = ProtocolHelper.encodeCommand("joinError", {message:"Channel not found"});
+            this.socketLink.send(message);
+        }
+    };
+    
     
     // Socket callbacks
 
@@ -29,7 +38,12 @@ function (Parent, ProtocolHelper, Nc) {
     }
 
     User.prototype.onDisconnect = function () {
-        this.coordinator.removeUser(this);
+        if(!this.channelPipe) {
+            console.warn("Disconnecting user without a channel.");
+            return;
+        }
+
+        this.channelPipe.send('channel', { releaseUser: this.id });
     }
 
 
@@ -37,17 +51,20 @@ function (Parent, ProtocolHelper, Nc) {
     // Remember: control commands are coordinator relevant commands
 
     User.prototype.onJoin = function(options) {
-        this.coordinator.assignUserToChannel(this, options);
-    };
+        this.coordinator.assignUserToChannel(this, options.channelName);
 
-    User.prototype.onLeave = function(options) {
-        this.coordinator.assignUserToLobby(this);
+        if(!this.channelPipe) {
+            console.warn("Can not join user because channel (" + options.channelName + ") does not exist.")
+            return;
+        }
+
+        this.channelPipe.send('channel', { addUser: this.id });
     };
 
     User.prototype.onGameCommand = function(options) {
         // repacking for transport via pipe
         var message = ProtocolHelper.encodeCommand("gameCommand", options);
-        Nc.trigger("user/controlCommand", this.id, message);
+        this.channelPipe.sendToUser(this.id, message);
     };
 
     User.prototype.onPing = function(timestamp) {

static/html/index.html

@@ -2,9 +2,21 @@
 <html>
 <head>
 	<title>Chuck Lobby</title>
+	<style type="text/css">
+		body { background: #222; color: #ccc; font-family: "Lucida Grande", sans-serif; }
+		input, button { background: black; color: #ccc; border: 0; padding: 0.3em 0.6em; font-size: 1em; }
+		#createform, #customjoinform { display: none; }
+		article { margin: 4em auto; background: #1a1a1a; padding: 2em; max-width: 30em; }
+		table, th, td { border: 1px solid #777; border-collapse: collapse; }
+		th, td { padding: 0.5em 1em; }
+		ul { list-style-type: none; padding-left: 0; }
+		#link { width: 100%; }
+		.offline { background: #ccc; }
+	</style>
 </head>
 <body>
-<form action="game.html" method="POST">
+<article>
+	<h1>Chuck</h1>
 	<p>
 		<label>
 			Nickname:<br>
@@ -12,32 +24,70 @@
 		</label>
 	</p>
 
+	<form action="#" id="createform">
+		<div>
+			<h2>Create your own!</h2>
+			<p><label>Name:<br> <input id="customname"></label></p>
+			<fieldset>
+				<legend>Maps</legend>
+				<ul>
+					<li>
+						<label><input name="maps" value="debug" type="checkbox" checked> Debug</label>
+					</li>
+					<li>
+						<label><input name="maps" value="stones2" type="checkbox" checked> Stones2</label>
+					</li>				
+				</ul>
+			</fieldset>
+
+			<p>
+				<button>Run</button>
+				<button onclick="show('#listform'); return false;">Cancel</button>
+			</p>
+		</div>
+	</form>
+
+	<form action="game.html" method="GET" id="customjoinform">
+		<p>
+			<label>
+				Link to share with your friends<br>
+				<input id="link">
+			</label>
+		</p>
+		<p>
+			<button>Join</button>
+			<span id="timeout"></span>
+		</p>
+	</form>
+
+	<form action="game.html" method="GET" id="listform">
+		<h2>Channel list</h2>
 		<table>
 			<thead>
-			<tr><th>Name</th></tr>
-		</thead>
-		<tfoot>
 				<tr>
-				<td>
-					<label>
-						<input type="radio" name="channel" id="radiochannel" checked>
-						custom channel: <input id="customname">
-					</label>
-				</td>
+					<th>Name</th>
+					<th>Type</th>
 				</tr>
-		</tfoot>
+			</thead>
 			<tbody id="list"></tbody>
 		</table>
 		<p>
 			<button>Join</button>
 			<button id="refresh">Refresh list</button>
+			<button onclick="show('#createform'); return false;">Create</button>
 		</p>
-</form>
+	</form>
+</article>
+
 <script>
 	function $(selector) {
 		return document.querySelector(selector);
 	}
 
+	function $$(selector) {
+		return document.querySelectorAll(selector);
+	}
+
 	if(localStorage["player"]) {
 		var player = JSON.parse(localStorage["player"]);
 		if(player.nickname) {
@@ -45,32 +95,27 @@
 		}
 	}
 
-	$("#customname").onfocus = function() {
-		$("#radiochannel").checked = true;
-	}
-
-	if(localStorage["channel"]) {
-		var channel = JSON.parse(localStorage["channel"])
-		if(channel.customname) {
-			$("#customname").value = channel.customname;
-		}
-	}
-
-	var hash = window.location.hash.split("#").join("");
-	if(hash) {
-		$("#customname").value = hash;
-		$("#radiochannel").checked = true;		
+	if(localStorage["customname"]) {
+		$("#customname").value = localStorage["customname"];
 	}
 
+	var lastRefreshResponse;
 	function refresh() {
-		$("#list").innerHTML = "";
 		var xhr = new XMLHttpRequest();
         xhr.onreadystatechange = function() {
             if(xhr.readyState == 4) {
                 if(xhr.status == 200) {
-                                populate(JSON.parse(xhr.responseText).success);
+
+                	var response = xhr.responseText;
+                	if(response != lastRefreshResponse) {
+                		lastRefreshResponse = response;
+                		populate(JSON.parse(response).success);
+                	}
+                	document.body.className = "";	
                 } else {
                     console.error("Ajax error: " + xhr.status + " " + xhr.statusText)
+                    $("#list").innerHTML = "";
+                    document.body.className = "offline";
                 }
             }
         }
@@ -81,35 +126,31 @@
 
 	function populate(list) {
 		var html = "";
+		if(list.length > 0) {
 			for (var i = 0; i < list.length; i++) {
 				var channel = list[i];
 				html += "<tr><td><label>";
 				html += "<input name='channel' type='radio' value='" + channel.name + "'"
-			if(!hash && i == 0) html += " checked"
+				if(i == 0) html += " checked"
 					html += "> ";
 				html += channel.name
-			html += "</label></td></tr>";
+				html += "</label></td><td></td></tr>";
 			};			
+		} else {
+			html += "<tr><td colspan='2'>No channels found.</td></tr>";
+		}
+
 		$("#list").innerHTML = html;
 	}
 
-	$("form").onsubmit = function(e) {
+	$("form#listform").onsubmit = function(e) {
 		var nickname = $("#nick").value;
 		if(!nickname || nickname.length < 3) {
 			alert("nickname too short")
 			return false;
 		}
 		localStorage["player"] = JSON.stringify({nickname: nickname});
-		if ($("#radiochannel").checked) {
-			var name = $("#customname").value;
-			if(name) {
-				$("#radiochannel").value = name;
-			} else {
-				alert("custom channel empty")
-				return false;
-			}			
-		} else {
-			var radios = document.querySelectorAll("form input[name=channel]");
+		var radios = document.querySelectorAll("form#listform input[name=channel]");
 		for (var i = 0; i < radios.length; i++) {
 			var radio = radios[i];
 			if(radio.checked) {
@@ -117,21 +158,124 @@
 				break;
 			}
 		};		
-		}
 
 		if(name) {
 			localStorage["channel"] = JSON.stringify({
-				name: name,
-				customname: $("#customname").value
+				name: name
 			});
+			window.location.href = "/game.html";
+			return false;
 		} else {
-			alert("no channel selected")
+			alert("No channel selected")
 			return false;
 		}
 	}
 
+	$("form#createform").onsubmit = function(e) {
+		var maps = [];
+		var checkboxes = document.querySelectorAll("form#createform input[name=maps]");
+		for (var i = 0; i < checkboxes.length; i++) {
+			var checkbox = checkboxes[i];
+			if(checkbox.checked) {
+				maps.push(checkbox.value);
+			}
+		};
+
+		if(maps.length == 0) {
+			alert("Please choose at least one map.")
+			return false;
+		}
+
+		var name = $("#customname").value;
+		if(!name) {
+			alert("Please provide a channel name.")
+			return false;
+		}
+
+		localStorage["customname"] = name;
+
+		var options = {
+			channelName: name,
+			maps: maps,
+			maxUsers: 10,
+			minUsers: 2
+		}
+
+		var xhr = new XMLHttpRequest();
+        xhr.onreadystatechange = function() {
+            if(xhr.readyState == 4) {
+                if(xhr.status == 200) {
+                    onCreateSuccess(JSON.parse(xhr.responseText).success);
+                } else {
+                	console.log(xhr.responseText)
+                    alert(JSON.parse(xhr.responseText).error)
+                }
+            }
+        }
+        xhr.open("POST", "/api", true);
+        xhr.send(JSON.stringify({command:"createChannel", options: options}));
+		return false;
+	}
+
+	$("form#customjoinform").onsubmit = function(e) {
+		var nickname = $("#nick").value;
+		if(!nickname || nickname.length < 3) {
+			alert("nickname too short")
+			return false;
+		}
+		localStorage["player"] = JSON.stringify({nickname: nickname});
+
+		var name = $("form#createform input[name=channel]").value;
+		localStorage["channel"] = JSON.stringify({
+			name: name
+		});
+
+		window.location.href = "/game.html";
+		return false;
+	}
+
+	function onCreateSuccess(options) {
+		$("#customname").value = options.channelName;
+		$("#link").value = window.location.href + options.link;
+		show("#customjoinform");
+		startTimer(options.timeout);
+	}
+
+	function show(id) {
+		$("#createform").style.display = "none";
+		$("#listform").style.display = "none";
+		$("#customjoinform").style.display = "none";
+
+		$(id).style.display = "block";
+	}
+
+	function startTimer(seconds) {
+		var now = new Date();
+		var end = new Date(now.getTime() + seconds * 1000);
+		setInterval(function() {
+			now = new Date();
+			var diff = new Date(end.getTime() - now.getTime());
+			if(diff.getTime() < 0) {
+				alert("Your channel has timed out.");
+				window.location.href = "/";
+			} else {
+				$("#timeout").innerHTML = " within " + formatDate(diff) + " minutes";
+			}
+		}, 1000);
+	}
+
+	function formatDate(date) {
+	    var minutes = date.getMinutes();
+    	var seconds = date.getSeconds();
+    	if(minutes < 10) minutes = "0" + minutes;
+    	if(seconds < 10) seconds = "0" + seconds;
+
+    	return minutes + ":" + seconds;
+	}
+
 	$("#refresh").onclick = refresh;
 	refresh();
+	setInterval(refresh, 5000);
 </script>
 </body>
 </html>