mirror of
https://github.com/photonstorm/phaser
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130 lines
3.4 KiB
JavaScript
130 lines
3.4 KiB
JavaScript
/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2018 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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var Class = require('../utils/Class');
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var DataManager = require('./DataManager');
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var PluginManager = require('../boot/PluginManager');
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/**
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* @classdesc
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* The Data Component features a means to store pieces of data specific to a Game Object, System or Plugin.
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* You can then search, query it, and retrieve the data. The parent must either extend EventEmitter,
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* or have a property called `events` that is an instance of it.
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*
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* @class DataManagerPlugin
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* @extends Phaser.Data.DataManager
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* @memberOf Phaser.Data
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* @constructor
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* @since 3.0.0
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*
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* @param {Phaser.Scene} scene - [description]
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*/
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var DataManagerPlugin = new Class({
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Extends: DataManager,
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initialize:
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function DataManagerPlugin (scene)
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{
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DataManager.call(this, scene, scene.sys.events);
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/**
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* [description]
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*
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* @name Phaser.Data.DataManagerPlugin#scene
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* @type {Phaser.Scene}
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* @since 3.0.0
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*/
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this.scene = scene;
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/**
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* [description]
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*
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* @name Phaser.Data.DataManagerPlugin#systems
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* @type {Phaser.Scenes.Systems}
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* @since 3.0.0
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*/
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this.systems = scene.sys;
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scene.sys.events.once('boot', this.boot, this);
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scene.sys.events.on('start', this.start, this);
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},
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/**
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* This method is called automatically, only once, when the Scene is first created.
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* Do not invoke it directly.
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*
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* @method Phaser.Data.DataManagerPlugin#boot
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* @private
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* @since 3.5.1
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*/
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boot: function ()
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{
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this.events = this.systems.events;
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},
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/**
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* This method is called automatically by the Scene when it is starting up.
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* It is responsible for creating local systems, properties and listening for Scene events.
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* Do not invoke it directly.
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*
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* @method Phaser.Data.DataManagerPlugin#start
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* @private
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* @since 3.5.0
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*/
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start: function ()
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{
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if (this.events)
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{
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this.events.off('destroy', this.destroy, this);
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}
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this.events = this.systems.events;
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var eventEmitter = this.systems.events;
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eventEmitter.once('shutdown', this.shutdown, this);
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eventEmitter.once('destroy', this.destroy, this);
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},
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/**
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* The Scene that owns this plugin is shutting down.
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* We need to kill and reset all internal properties as well as stop listening to Scene events.
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*
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* @method Phaser.Data.DataManagerPlugin#shutdown
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* @private
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* @since 3.5.0
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*/
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shutdown: function ()
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{
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var eventEmitter = this.systems.events;
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eventEmitter.off('shutdown', this.shutdown, this);
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},
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/**
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* The Scene that owns this plugin is being destroyed.
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* We need to shutdown and then kill off all external references.
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*
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* @method Phaser.Data.DataManagerPlugin#destroy
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* @since 3.5.0
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*/
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destroy: function ()
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{
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DataManager.prototype.destroy.call(this);
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this.systems.events.off('start', this.start, this);
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this.scene = null;
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this.systems = null;
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}
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});
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PluginManager.register('DataManagerPlugin', DataManagerPlugin, 'data');
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module.exports = DataManagerPlugin;
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