eyeofmidas.com/htdocs/js/textgame.js

if(MIDAS == undefined) {
	var MIDAS = {};
}
MIDAS.TextGame = function(gameConsole) {
	var self = this;
	var polling = null;

	var playerId = null;
	var lastWorldSync = 0;
	var lastPlayerSync = 0;
	var playerQueue = [];
	var worldQueue = [];

	this.requiresUpdate = false;

	this.init = function() {
		playerId = Math.floor(10000 * Math.random() + 1);
		gameConsole.register(input);
		gameConsole.init();
		serverInitialize();

		polling = setInterval(update, 1000);
		this.requiresUpdate = true;
	};

	function serverInitialize() {
		var submitData = {
			"initialize" : true
			, "playerId":playerId
		};

		$.ajax({
			type: 'POST'
			, url: '/?a=textgame'
			, data: submitData
			, success: initializeCallback
			, dataType: 'json'
		});
	}

	function initializeCallback(response) {
		lastWorldSync = response.worldSync;
		lastPlayerSync = 0;
		worldQueue = response.world;
		self.requiresUpdate = false;
		console.log("Starting game at " + lastWorldSync);
	}

	function update() {
		if(self.requiresUpdate) {
			var submitData = {
				"lastWorldSync":lastWorldSync
				, "playerId":playerId
				, "player":playerQueue
				, "playerSync":lastPlayerSync
			};

			console.log("sending update #" + lastPlayerSync);

			$.ajax({
				type: 'POST'
				, url: '/?a=textgame'
				, data: submitData
				, success: updateCallback
				, dataType: 'json'
			});
			self.requiresUpdate = false;
		}

		if(worldQueue.length > 0) {
			var event = worldQueue.shift();
			gameConsole.output("#"+event.userid + " "+event.command+"s \"" + event.data + "\"");
		}
	};

	function updateCallback(response) {
		if(response.result == "update") {
			console.log("received update from version #" + response.playerSync);
			if(response.playerSync < lastPlayerSync) {
				playerQueue = playerQueue.slice(lastPlayerSync - response.playerSync);
			} else {
				playerQueue = [];
			}
			lastWorldSync = response.worldSync;
			worldQueue = response.world;
			self.requiresUpdate = true;
		}
	};

	function input(message) {
		self.requiresUpdate = true;
		playerQueue.push({"playerId":playerId, "command" : message, "time" : Math.round(new Date().getTime() / 1000)});
		lastPlayerSync++;
		//gameConsole.output("I do not understand \""+message+"\"");
	};
};