var AddToDOM = require('../dom/AddToDOM'); 
var AnimationManager = require('../animations/AnimationManager'); 
var CacheManager = require('../cache/CacheManager'); 
var CanvasPool = require('../display/canvas/CanvasPool'); 
var Class = require('../utils/Class'); 
var Config = require('./Config'); 
var CreateDOMContainer = require('../dom/CreateDOMContainer'); 
var CreateRenderer = require('./CreateRenderer'); 
var DataManager = require('../data/DataManager'); 
var DebugHeader = require('./DebugHeader'); 
var Device = require('../device'); 
var DOMContentLoaded = require('../dom/DOMContentLoaded'); 
var EventEmitter = require('eventemitter3'); 
var Events = require('./events'); 
var InputManager = require('../input/InputManager'); 
var PluginCache = require('../plugins/PluginCache'); 
var PluginManager = require('../plugins/PluginManager'); 
var ScaleManager = require('../scale/ScaleManager'); 
var SceneManager = require('../scene/SceneManager'); 
var TextureEvents = require('../textures/events'); 
var TextureManager = require('../textures/TextureManager'); 
var TimeStep = require('./TimeStep'); 
var VisibilityHandler = require('./VisibilityHandler'); 
if (typeof FEATURE_SOUND) { 
var SoundManagerCreator = require('../sound/SoundManagerCreator'); 
} 
if (typeof PLUGIN_FBINSTANT) { 
var FacebookInstantGamesPlugin = require('../../plugins/fbinstant/src/FacebookInstantGamesPlugin'); 
} 
var Game = new Class({ 
initialize: function Game(config){ 
this.config = new Config(config); 
this.renderer = null ; 
this.domContainer = null ; 
this.canvas = null ; 
this.context = null ; 
this.isBooted = false ; 
this.isRunning = false ; 
this.events = new EventEmitter(); 
this.anims = new AnimationManager(this); 
this.textures = new TextureManager(this); 
this.cache = new CacheManager(this); 
this.registry = new DataManager(this); 
this.input = new InputManager(this, this.config); 
this.scene = new SceneManager(this, this.config.sceneConfig); 
this.device = Device; 
this.scale = new ScaleManager(this, this.config); 
this.sound = null ; 
if (typeof FEATURE_SOUND) { 
this.sound = SoundManagerCreator.create(this); 
} 
this.loop = new TimeStep(this, this.config.fps); 
this.plugins = new PluginManager(this, this.config); 
if (typeof PLUGIN_FBINSTANT) { 
this.facebook = new FacebookInstantGamesPlugin(this); 
} 
this.pendingDestroy = false ; 
this.removeCanvas = false ; 
this.noReturn = false ; 
this.hasFocus = false ; 
DOMContentLoaded(this.boot.bind(this)); 
} 
,
boot: function (){ 
if (!PluginCache.hasCore('EventEmitter')) { 
console.warn('Aborting. Core Plugins missing.'); 
return ; 
} 
this.isBooted = true ; 
this.config.preBoot(this); 
this.scale.preBoot(); 
CreateRenderer(this); 
CreateDOMContainer(this); 
DebugHeader(this); 
AddToDOM(this.canvas, this.config.parent); 
this.textures.once(TextureEvents.READY, this.texturesReady, this); 
this.events.emit(Events.BOOT); 
} 
,
texturesReady: function (){ 
this.events.emit(Events.READY); 
this.start(); 
} 
,
start: function (){ 
this.isRunning = true ; 
this.config.postBoot(this); 
if (this.renderer) { 
this.loop.start(this.step.bind(this)); 
} 
 else { 
this.loop.start(this.headlessStep.bind(this)); 
} 
VisibilityHandler(this); 
var eventEmitter = this.events; 
eventEmitter.on(Events.HIDDEN, this.onHidden, this); 
eventEmitter.on(Events.VISIBLE, this.onVisible, this); 
eventEmitter.on(Events.BLUR, this.onBlur, this); 
eventEmitter.on(Events.FOCUS, this.onFocus, this); 
} 
,
step: function (time, delta){ 
if (this.pendingDestroy) { 
return this.runDestroy(); 
} 
var eventEmitter = this.events; 
eventEmitter.emit(Events.PRE_STEP, time, delta); 
eventEmitter.emit(Events.STEP, time, delta); 
this.scene.update(time, delta); 
eventEmitter.emit(Events.POST_STEP, time, delta); 
var renderer = this.renderer; 
renderer.preRender(); 
eventEmitter.emit(Events.PRE_RENDER, renderer, time, delta); 
this.scene.render(renderer); 
renderer.postRender(); 
eventEmitter.emit(Events.POST_RENDER, renderer, time, delta); 
} 
,
headlessStep: function (time, delta){ 
if (this.pendingDestroy) { 
return this.runDestroy(); 
} 
var eventEmitter = this.events; 
eventEmitter.emit(Events.PRE_STEP, time, delta); 
eventEmitter.emit(Events.STEP, time, delta); 
this.scene.update(time, delta); 
eventEmitter.emit(Events.POST_STEP, time, delta); 
eventEmitter.emit(Events.PRE_RENDER); 
eventEmitter.emit(Events.POST_RENDER); 
} 
,
onHidden: function (){ 
this.loop.pause(); 
this.events.emit(Events.PAUSE); 
} 
,
onVisible: function (){ 
this.loop.resume(); 
this.events.emit(Events.RESUME); 
} 
,
onBlur: function (){ 
this.hasFocus = false ; 
this.loop.blur(); 
} 
,
onFocus: function (){ 
this.hasFocus = true ; 
this.loop.focus(); 
} 
,
getFrame: function (){ 
return this.loop.frame; 
} 
,
getTime: function (){ 
return this.loop.now; 
} 
,
destroy: function (removeCanvas, noReturn){ 
if (noReturn === undefined) { 
noReturn = false ; 
} 
this.pendingDestroy = true ; 
this.removeCanvas = removeCanvas; 
this.noReturn = noReturn; 
} 
,
runDestroy: function (){ 
this.scene.destroy(); 
this.events.emit(Events.DESTROY); 
this.events.removeAllListeners(); 
if (this.renderer) { 
this.renderer.destroy(); 
} 
if (this.removeCanvas && this.canvas) { 
CanvasPool.remove(this.canvas); 
if (this.canvas.parentNode) { 
this.canvas.parentNode.removeChild(this.canvas); 
} 
} 
if (this.domContainer) { 
this.domContainer.parentNode.removeChild(this.domContainer); 
} 
this.loop.destroy(); 
this.pendingDestroy = false ; 
} 
}
); 
module.exports = Game;