commit js

.gitignore

@@ -1,2 +1 @@
-sync.js
 node_modules

sync.js

@@ -0,0 +1,96 @@
+"use strict";
+var websocket_1 = require("websocket");
+var http_1 = require("http");
+var sessions = {};
+var server = http_1.createServer(function (request, response) {
+    response.writeHead(404);
+    response.end();
+});
+server.listen(8181, function () {
+    console.log((new Date()) + ' Server is listening on port 8080');
+});
+var wsServer = new websocket_1.server({
+    httpServer: server,
+    autoAcceptConnections: false
+});
+function originIsAllowed(origin) {
+    return true;
+}
+wsServer.on('request', function (request) {
+    if (!originIsAllowed(request.origin)) {
+        // Make sure we only accept requests from an allowed origin
+        request.reject();
+        console.log((new Date()) + ' Connection from origin ' + request.origin + ' rejected.');
+        return;
+    }
+    var connection = request.accept('demo-sync', request.origin);
+    connection.on('message', function (message) {
+        if (message.type === 'utf8') {
+            var data = JSON.parse(message.utf8Data);
+            switch (data.type) {
+                case 'create':
+                    sessions[data.session] = {
+                        name: data.session,
+                        owner: connection,
+                        clients: [],
+                        tick: 0,
+                        playing: false
+                    };
+                    break;
+                case 'join':
+                    if (sessions[data.session]) {
+                        sessions[data.session].clients.push(connection);
+                        connection.sendUTF(JSON.stringify({
+                            type: 'tick',
+                            tick: sessions[data.session].tick
+                        }));
+                        connection.sendUTF(JSON.stringify({
+                            type: 'play',
+                            tick: sessions[data.session].playing
+                        }));
+                    }
+                    break;
+                case 'tick':
+                    if (sessions[data.session]) {
+                        sessions[data.session].tick = data.tick;
+                        for (var _i = 0, _a = sessions[data.session].clients; _i < _a.length; _i++) {
+                            var client = _a[_i];
+                            client.sendUTF(JSON.stringify({
+                                type: 'tick',
+                                tick: data.tick
+                            }));
+                        }
+                    }
+                    break;
+                case 'play':
+                    if (sessions[data.session]) {
+                        sessions[data.session].playing = data.play;
+                        for (var _b = 0, _c = sessions[data.session].clients; _b < _c.length; _b++) {
+                            var client = _c[_b];
+                            client.sendUTF(JSON.stringify({
+                                type: 'play',
+                                play: data.play
+                            }));
+                        }
+                    }
+            }
+        }
+    });
+    connection.on('close', function (reasonCode, description) {
+        for (var name_1 in sessions) {
+            if (sessions.hasOwnProperty(name_1)) {
+                var session = sessions[name_1];
+                if (session) {
+                    var index = session.clients.indexOf(connection);
+                    if (index !== -1) {
+                        session.clients.splice(index, 1);
+                    }
+                    if (session.owner === connection) {
+                        sessions[session.name] = null;
+                        break;
+                    }
+                }
+            }
+        }
+    });
+});