removing objects on disconnection now

js/xarkon2.coffee

@@ -79,6 +79,17 @@ processMessage =
       $("##{id}")
         .css(left: x, top: y)
 
+  d: (msg)->
+    until msg.length == 0
+      l = msg.length
+      obj = msg.slice(l-1, l)
+      msg = msg.slice(0, l-1)
+
+      id = obj.charCodeAt(0)
+
+      $("##{id}").remove()
+
+
   # updating positions via velocities
   j: (msg)->
     for id, vel of JSON.parse(msg)

js/xarkon2.js

@@ -91,6 +91,18 @@ processMessage = {
     }
     return _results;
   },
+  d: function(msg) {
+    var id, l, obj, _results;
+    _results = [];
+    while (msg.length !== 0) {
+      l = msg.length;
+      obj = msg.slice(l - 1, l);
+      msg = msg.slice(0, l - 1);
+      id = obj.charCodeAt(0);
+      _results.push($("#" + id).remove());
+    }
+    return _results;
+  },
   j: function(msg) {
     var id, l, t, vel, _ref, _ref2, _results;
     _ref = JSON.parse(msg);

xarkon-server.coffee

@@ -235,14 +235,24 @@ SerializeCreate = $G(
     return output
   sendCreate: (objects)->
     @send @serializeCreate(objects)
+  serializeDestroy: (objects)->
+    output = 'd'
+    for obj in objects
+      output += @setShortId(obj.id)
+    return output
+  sendDestroy: (objects)->
+    @send @serializeDestroy(objects)
 )
 
 Players = []
 Player = $G(Physics, Engine, ShipCommand, SerializeCreate
             SerializePos, SocketIoClient
   lookup: Players
-  init: (x, y) ->
+  init: (x, y)->
     @createPos(x, y)
+  remove: ->
+    for p in Players
+      p.sendDestroy([this])
 )
 
 processCommands = ->
@@ -300,14 +310,14 @@ log 'Server running at http://localhost:8124/'
 socket = io.listen(server)
 socket.on('connection', (client)->
   # new player connects, needs a spaceship
-  ss = new Player(0,0)
-  ss.setClient(client)
-  ss.sendCreate(Players) #TODO {} serialization, then s/Players/GameObjects/
+  player = new Player(0,0)
+  player.setClient(client)
+  player.sendCreate(Players) #TODO {} serialization, then s/Players/GameObjects/
 
   #TODO: notify other players about this new player
   for p in Players
-    continue if p.id == ss.id
-    p.sendCreate([ss])
+    continue if p.id == player.id
+    p.sendCreate([player])
 
   # better tell the player what's around
   #ss.send(ss.serializeCreate(hasPosition))
@@ -318,9 +328,10 @@ socket.on('connection', (client)->
   ###
 
   client.on('message', (msg)->
-    ss.bitmask = Number(msg)
+    player.bitmask = Number(msg)
   )
   client.on('disconnect', (msg)->
+    player.remove()
     #TODO remove player and notify others
   )
 )

xarkon-server.js

@@ -267,13 +267,34 @@ SerializeCreate = $G({
   },
   sendCreate: function(objects) {
     return this.send(this.serializeCreate(objects));
+  },
+  serializeDestroy: function(objects) {
+    var obj, output, _i, _len;
+    output = 'd';
+    for (_i = 0, _len = objects.length; _i < _len; _i++) {
+      obj = objects[_i];
+      output += this.setShortId(obj.id);
+    }
+    return output;
+  },
+  sendDestroy: function(objects) {
+    return this.send(this.serializeDestroy(objects));
   }
 });
 Players = [];
 Player = $G(Physics, Engine, ShipCommand, SerializeCreate, SerializePos, SocketIoClient, {
   lookup: Players,
   init: function(x, y) {
     return this.createPos(x, y);
+  },
+  remove: function() {
+    var p, _i, _len, _results;
+    _results = [];
+    for (_i = 0, _len = Players.length; _i < _len; _i++) {
+      p = Players[_i];
+      _results.push(p.sendDestroy([this]));
+    }
+    return _results;
   }
 });
 processCommands = function() {
@@ -338,24 +359,26 @@ server.listen(8124);
 log('Server running at http://localhost:8124/');
 socket = io.listen(server);
 socket.on('connection', function(client) {
-  var p, ss, _i, _len;
-  ss = new Player(0, 0);
-  ss.setClient(client);
-  ss.sendCreate(Players);
+  var p, player, _i, _len;
+  player = new Player(0, 0);
+  player.setClient(client);
+  player.sendCreate(Players);
   for (_i = 0, _len = Players.length; _i < _len; _i++) {
     p = Players[_i];
-    if (p.id === ss.id) {
+    if (p.id === player.id) {
       continue;
     }
-    p.sendCreate([ss]);
+    p.sendCreate([player]);
   }
   /*
     setInterval((->
       client.send(Math.random())
     ), 1000)
     */
   client.on('message', function(msg) {
-    return ss.bitmask = Number(msg);
+    return player.bitmask = Number(msg);
+  });
+  return client.on('disconnect', function(msg) {
+    return player.remove();
   });
-  return client.on('disconnect', function(msg) {});
 });