phaser/src/cache/CacheManager.js at cbc493df989d43fbfafb926407d37ecdbd60dd0e · ITCSsDeveloper/phaser · GitHub

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var BaseCache = require('./BaseCache');
var Class = require('../utils/Class');

var CacheManager = new Class({

    initialize:

    /**
     * The Cache Manager is the global cache owned and maintained by the Game instance.
     *
     * Various systems, such as the file Loader, rely on this cache in order to store the files
     * it has loaded. The manager itself doesn't store any files, but instead owns multiple BaseCache
     * instances, one per type of file. You can also add your own custom caches.
     *
     * @class CacheManager
     * @memberOf Phaser.Cache
     * @constructor
     * @since 3.0.0
     *
     * @param {Phaser.Game} game - A reference to the Phaser.Game instance that owns this CacheManager.
     */
    function CacheManager (game)
    {
        /**
         * A reference to the Phaser.Game instance that owns this CacheManager.
         *
         * @property {Phaser.Game} game
         * @protected
         * @since 3.0.0
         */
        this.game = game;

        /**
         * A Cache storing all binary files, typically added via the Loader.
         *
         * @property {Phaser.Cache.BaseCache} binary
         * @protected
         * @since 3.0.0
         */
        this.binary = new BaseCache();

        /**
         * A Cache storing all bitmap font data files, typically added via the Loader.
         * Only the font data is stored in this cache, the textures are part of the Texture Manager.
         *
         * @property {Phaser.Cache.BaseCache} bitmapFont
         * @protected
         * @since 3.0.0
         */
        this.bitmapFont = new BaseCache();

        /**
         * A Cache storing all JSON data files, typically added via the Loader.
         *
         * @property {Phaser.Cache.BaseCache} json
         * @protected
         * @since 3.0.0
         */
        this.json = new BaseCache();

        /**
         * A Cache storing all physics data files, typically added via the Loader.
         *
         * @property {Phaser.Cache.BaseCache} physics
         * @protected
         * @since 3.0.0
         */
        this.physics = new BaseCache();

        /**
         * A Cache storing all shader source files, typically added via the Loader.
         *
         * @property {Phaser.Cache.BaseCache} shader
         * @protected
         * @since 3.0.0
         */
        this.shader = new BaseCache();

        /**
         * A Cache storing all non-streaming audio files, typically added via the Loader.
         *
         * @property {Phaser.Cache.BaseCache} audio
         * @protected
         * @since 3.0.0
         */
        this.audio = new BaseCache();

        /**
         * A Cache storing all text files, typically added via the Loader.
         *
         * @property {Phaser.Cache.BaseCache} text
         * @protected
         * @since 3.0.0
         */
        this.text = new BaseCache();

        /**
         * A Cache storing all WaveFront OBJ files, typically added via the Loader.
         *
         * @property {Phaser.Cache.BaseCache} obj
         * @protected
         * @since 3.0.0
         */
        this.obj = new BaseCache();

        /**
         * A Cache storing all tilemap data files, typically added via the Loader.
         * Only the data is stored in this cache, the textures are part of the Texture Manager.
         *
         * @property {Phaser.Cache.BaseCache} tilemap
         * @protected
         * @since 3.0.0
         */
        this.tilemap = new BaseCache();

        /**
         * A Cache storing all xml data files, typically added via the Loader.
         *
         * @property {Phaser.Cache.BaseCache} xml
         * @protected
         * @since 3.0.0
         */
        this.xml = new BaseCache();

        /**
         * An object that contains your own custom BaseCache entries.
         * Add to this via the `addCustom` method.
         *
         * @property {object.<Phaser.Cache.BaseCache>} custom
         * @protected
         * @since 3.0.0
         */
        this.custom = {};
    },

    /**
     * Add your own custom Cache for storing your own files.
     * The cache will be available under `Cache.custom.key`.
     * The cache will only be created if the key is not already in use.
     *
     * @method Phaser.Cache.CacheManager#addCustom
     * @since 3.0.0
     *
     * @param {string} key - The unique key of your custom cache.
     *
     * @return {Phaser.Cache.BaseCache} A reference to the BaseCache that was created. If the key was already in use, a reference to the existing cache is returned instead.
     */
    addCustom: function (key)
    {
        if (!this.custom.hasOwnProperty(key))
        {
            this.custom[key] = new BaseCache();
        }

        return this.custom[key];
    },

    /**
     * Removes all entries from all BaseCaches and destroys all custom caches.
     *
     * @method Phaser.Cache.CacheManager#destroy
     * @since 3.0.0
     */
    destroy: function ()
    {
        var keys = [
            'binary',
            'bitmapFont',
            'json',
            'physics',
            'shader',
            'audio',
            'text',
            'obj',
            'tilemap',
            'xml'
        ];

        for (var i = 0; i < keys.length; i++)
        {
            this[keys[i]].destroy();
            this[keys[i]] = null;
        }

        for (var key in this.custom)
        {
            this.custom[key].destroy();
        }

        this.custom = null;

        this.game = null;
    }

});

module.exports = CacheManager;