working GGS simulator in JS
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Jeena Paradies
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a275990f62
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20a07dbd6a
8 changed files with 483 additions and 5 deletions
183
games/tic-tac-toe-js/js/GameServer.js
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183
games/tic-tac-toe-js/js/GameServer.js
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// This is just a simulator of a game server to find
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// out which methods we need. This will be rewritten
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// in erlang.
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// Game main() function should return a instance of the game
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// Game Methods:
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// userAllowed() op
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// userAdded() op
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// userCommand() m
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function GameServer() {
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this.init();
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}
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GameServer.prototype.init = function() {
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this.games = {};
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}
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GameServer.prototype.addGame = function(game_name, instance) {
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if (typeof game_name == "string" && game_name != "" && typeof instance == "object") {
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var aGame = {
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instance: instance,
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users: [],
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world: {},
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localStorage: {}
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}
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this.games[game_name] = aGame;
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this.games[game_name].users
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} else throw "GGS: Could not add game " + game_name;
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}
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GameServer.prototype.addClient = function(game_name, client) {
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var game = this.games[game_name];
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if (typeof game != "undefined") {
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if (typeof game.instance.userAllowed == "undefined" || typeof game.instance.userAllowed == "function" && game.instance.userAllowed(user)) {
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var user = new User(game.users.length, client);
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game.users.push(user);
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if (typeof game.instance.userAdded == "function") {
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game.instance.userAdded(user);
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}
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} else throw "GGS: Unable to add client to game " + game_name;
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} else throw "GGS: No such game " + game_name;
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}
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GameServer.prototype.users = function(game_name) {
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var game = this.games[game_name];
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if (game != "undefined") {
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return game.users;
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} else throw "GGS: Unknown game " + game_name;
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}
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// Client calls this command, just a convinience method in the simulator
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GameServer.prototype.callCommand = function(game_name, client, command, attrs) {
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var game = this.games[game_name];
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if (typeof game != "undefined") {
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if(typeof game.instance.userCommand == "function") {
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var user = null;
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for (var i=0; i < game.users.length; i++) {
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if (game.users[i].client == client) {
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user = game.users[i];
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}
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}
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if (user != null) {
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game.instance.userCommand(user, command, attrs);
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} else throw "GGS: User not allowed";
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} else throw "GGS: No such method userCommand() in game " + game_name;
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} else throw "GGS: No such game " + game_name;
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}
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GameServer.prototype.set = function(game_name, type, key, value) {
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var game = this.games[game_name];
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if (game != "undefined") {
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if (type == "world" || type == "localStorage") {
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if (typeof key == "string" && (typeof value == "string" || typeof value == "number")) {
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game[type][key] = value;
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if (type == "world") {
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var args = {};
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args[key] = JSON.parse(value);
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for (var i=0; i < game.users.length; i++) {
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game.users[i].sendCommand("world_set", JSON.stringify(args));
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}
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}
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} else throw "GGS: Key has to be a string and value string or number";
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} else throw "GGS: Unknown type " + type;
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} else throw "GGS: No such game" + game_name;
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}
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GameServer.prototype.get = function(game_name, type, key) {
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var game = this.games[game_name];
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if (game != "undefined") {
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return game[type][key];
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} else throw "GGS: No such game" + game_name;
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}
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GameServer.prototype.key = function(game_name, type, position) {
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var game = this.games[game_name];
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if (game != "undefined") {
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var i = 0;
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for (var key in game[type]) {
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if(i++ == position) {
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return key;
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}
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}
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return null;
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} else throw "GGS: No such game" + game_name;
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}
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GameServer.prototype.length = function(game_name, type) {
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var game = this.games[game_name];
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if (game != "undefined") {
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var l = 0;
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for (var i in game[type]) {
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l++;
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}
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return l;
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} else throw "GGS: No such game" + game_name;
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}
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GameServer.prototype.remove = function(game_name, type) {
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var game = this.games[game_name];
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if (game != "undefined") {
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delete game[key];
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} else throw "GGS: Unknown game " + game_name
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}
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GameServer.prototype.clear = function(game_name, type) {
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var game = this.games[game_name];
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if (game != "undefined") {
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game = {};
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} else throw "GGS: Unknown game " + game_name
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}
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var GameServerI = new GameServer();
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// User object
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// to talk to the client it should have implemented
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// the method commandCalled
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function User(id, client) {
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var id = id;
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var client = client;
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return {
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id: id,
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client: client,
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sendCommand: function(command, args) {
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client.commandCalled(command, args);
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}
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}
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}
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function Storage(game_name, type) {
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if (type == "world" || type == "localStorage") {
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this.type = type;
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this.gameName = game_name;
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var self = this;
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return {
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setItem: function(key, value) {
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GameServerI.set(self.gameName, self.type, key, value);
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},
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getItem: function(key) {
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return GameServerI.get(self.gameName, self.type, key);
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},
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key: function(position) {
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return GameServerI.key(self.gameName, self.type, position);
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},
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length: {
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get: function() {
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return GameServerI.length(self.gameName, self.type);
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}
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},
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removeItem: function(key) {
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GameServerI.remove(self.gameName, self.type, key);
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},
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clear: function() {
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GameServerI.clear(self.gameName, self.type);
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}
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}
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} else throw "GGS: No such storage available " + type;
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}
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