Initial version source code

server.js

@@ -0,0 +1,95 @@
+// Setup: 
+// npm install express
+// npm install engine.io
+// npm install eureca.io
+
+// Pull in express
+var express = require('express');
+
+// Our app and server objects
+var app = express(app);
+var server = require('http').createServer(app);
+
+// serve static files from the current directory
+app.use(express.static(__dirname));
+
+// get a eureca server
+var EurecaServer = require('eureca.io').EurecaServer;
+
+//create an instance of EurecaServer
+var eurecaServer = new EurecaServer({
+	// Allow out communication functions
+	allow: ['handshake', 'spawnPlayer', 'kill', 'updateState']
+});
+
+// attach eurica to our server
+eurecaServer.attach(server);
+
+// Our list of clients
+var clients = {};
+
+// When a client connects
+eurecaServer.onConnect(function(conn) {
+
+	console.log('Connection %s from ', conn.id, conn.remoteAddress);
+
+	// Grab the client proxy to call functions easily
+	var remote = eurecaServer.getClient(conn.id);
+
+	// Handshake with the client sending it it's new ID
+	remote.handshake(conn.id);
+
+	// Inform the client of all other players to spawn
+	for (var c in clients) {
+		var x = clients[c].state ? clients[c].state.x : 0;
+		var y = clients[c].state ? clients[c].state.y : 0;
+
+		remote.spawnPlayer(clients[c].id, x, y);
+	}
+
+	// Inform other clients to spawn this player
+	for (var c in clients) {
+		var x = remote.state ? remote.state.x : 0;
+		var y = remote.state ? remote.state.y : 0;
+
+		clients[c].remote.spawnPlayer(conn.id, x, y);
+	}
+
+	// Add the client to our list
+	clients[conn.id] = {
+		id: conn.id,
+		remote: remote,
+	}
+});
+
+// When a client disconnects
+eurecaServer.onDisconnect(function(conn) {
+
+	console.log('Disconnection ', conn.id);
+
+	// delete this client
+	delete clients[conn.id];
+
+	// Notify other clients of disconnection
+	for (var c in clients) {
+		clients[c].remote.kill(conn.id);
+	}
+});
+
+// When a client asks to update it's state
+eurecaServer.exports.updateMe = function(state) {
+
+	// Get conncection info
+	var conn = this.connection;
+
+	// Send new state to all other clients
+	for (var c in clients) {
+		clients[c].remote.updateState(conn.id, state);
+	}
+
+	// store the last known state
+	clients[conn.id].state = state;
+}
+
+// Listen on port 80
+server.listen(8000);