var BlendModes = require('../../renderer/BlendModes'); 
var Class = require('../../utils/Class'); 
var Components = require('../components'); 
var ComponentsToJSON = require('../components/ToJSON'); 
var DataManager = require('../../data/DataManager'); 
var EventEmitter = require('eventemitter3'); 
var GameObjectEvents = require('../events'); 
var List = require('../../structs/List'); 
var Render = require('./LayerRender'); 
var SceneEvents = require('../../scene/events'); 
var StableSort = require('../../utils/array/StableSort'); 
var Layer = new Class({ 
Extends: List,
Mixins: [Components.AlphaSingle, Components.BlendMode, Components.Depth, Components.Mask, Components.Pipeline, Components.Visible, EventEmitter, Render] ,
initialize: function Layer(scene, children){ 
List.call(this, scene); 
EventEmitter.call(this); 
this.scene = scene; 
this.displayList = null ; 
this.type = 'Layer'; 
this.state = 0; 
this.parentContainer = null ; 
this.name = ''; 
this.active = true ; 
this.tabIndex = -1; 
this.data = null ; 
this.renderFlags = 15; 
this.cameraFilter = 0; 
this.input = null ; 
this.body = null ; 
this.ignoreDestroy = false ; 
this.systems = scene.sys; 
this.events = scene.sys.events; 
this.sortChildrenFlag = false ; 
this.addCallback = this.addChildCallback; 
this.removeCallback = this.removeChildCallback; 
this.initPipeline(); 
this.clearAlpha(); 
this.setBlendMode(BlendModes.SKIP_CHECK); 
if (children) { 
this.add(children); 
} 
scene.sys.queueDepthSort(); 
} 
,
setActive: function (value){ 
this.active = value; 
return this; 
} 
,
setName: function (value){ 
this.name = value; 
return this; 
} 
,
setState: function (value){ 
this.state = value; 
return this; 
} 
,
setDataEnabled: function (){ 
if (!this.data) { 
this.data = new DataManager(this); 
} 
return this; 
} 
,
setData: function (key, value){ 
if (!this.data) { 
this.data = new DataManager(this); 
} 
this.data.set(key, value); 
return this; 
} 
,
incData: function (key, value){ 
if (!this.data) { 
this.data = new DataManager(this); 
} 
this.data.inc(key, value); 
return this; 
} 
,
toggleData: function (key){ 
if (!this.data) { 
this.data = new DataManager(this); 
} 
this.data.toggle(key); 
return this; 
} 
,
getData: function (key){ 
if (!this.data) { 
this.data = new DataManager(this); 
} 
return this.data.get(key); 
} 
,
setInteractive: function (){ 
return this; 
} 
,
disableInteractive: function (){ 
return this; 
} 
,
removeInteractive: function (){ 
return this; 
} 
,
addedToScene: function (){ 
} 
,
removedFromScene: function (){ 
} 
,
update: function (){ 
} 
,
toJSON: function (){ 
return ComponentsToJSON(this); 
} 
,
willRender: function (camera){ 
return !(this.renderFlags !== 15 || (_AN_Read_length('length', this.list)) === 0 || (this.cameraFilter !== 0 && (this.cameraFilter & camera.id))); 
} 
,
getIndexList: function (){ 
var child = this; 
var parent = this.parentContainer; 
var indexes = [] ; 
while (parent){ 
indexes.unshift(parent.getIndex(child)); 
child = parent; 
if (!parent.parentContainer) { 
break ; 
} 
 else { 
parent = parent.parentContainer; 
} 
} 
indexes.unshift(this.displayList.getIndex(child)); 
return indexes; 
} 
,
addChildCallback: function (gameObject){ 
gameObject.emit(GameObjectEvents.ADDED_TO_SCENE, gameObject, this.scene); 
if (gameObject.displayList) { 
gameObject.displayList.remove(gameObject); 
} 
gameObject.displayList = this; 
this.queueDepthSort(); 
this.events.emit(SceneEvents.ADDED_TO_SCENE, gameObject, this.scene); 
} 
,
removeChildCallback: function (gameObject){ 
gameObject.emit(GameObjectEvents.REMOVED_FROM_SCENE, gameObject, this.scene); 
gameObject.displayList = null ; 
this.queueDepthSort(); 
this.events.emit(SceneEvents.REMOVED_FROM_SCENE, gameObject, this.scene); 
} 
,
queueDepthSort: function (){ 
this.sortChildrenFlag = true ; 
} 
,
depthSort: function (){ 
if (this.sortChildrenFlag) { 
StableSort(this.list, this.sortByDepth); 
this.sortChildrenFlag = false ; 
} 
} 
,
sortByDepth: function (childA, childB){ 
return childA._depth - childB._depth; 
} 
,
getChildren: function (){ 
return this.list; 
} 
,
destroy: function (){ 
if (!this.scene || this.ignoreDestroy) { 
return ; 
} 
this.emit(GameObjectEvents.DESTROY, this); 
var i = _AN_Read_length('length', this.list); 
while (i-- ){ 
this.list[i].destroy(); 
} 
this.removeAllListeners(); 
this.resetPostPipeline(true ); 
if (this.displayList) { 
this.displayList.queueDepthSort(); 
this.displayList.remove(this); 
} 
if (this.data) { 
this.data.destroy(); 
this.data = undefined; 
} 
this.active = false ; 
this.visible = false ; 
this.list = undefined; 
this.scene = undefined; 
this.displayList = undefined; 
this.systems = undefined; 
this.events = undefined; 
} 
}
); 
module.exports = Layer;