Sounds and Asset Management - Beginning HTML5 Games with CreateJS - page 207

//graphics
p.GAME_SPRITES = 'game sprites';
//data
p.GAME_SPRITES_DATA = 'game sprites data';
//events
p.ASSETS_PROGRESS = 'assets progress';
p.ASSETS_COMPLETE = 'assets complete';
p.assetsPath = 'assets/';
p.loadManifest = null;
p.queue = null;
p.loadProgress = 0;
p.initialize = function () {
this.EventDispatcher_initialize();
this.loadManifest = [
{id: this.EXPLOSION, src: this.assetsPath + 'explosion.mp3'},
{id: this.SOUNDTRACK, src: this.assetsPath + 'dreamRaid1.mp3'},
{id:this.GAME_SPRITES_DATA, src:this.assetsPath +
'gameSpritesData.json'},
{id:this.GAME_SPRITES, src:this.assetsPath +
'gameSprites.png'}
];
}
p.preloadAssets = function () {
createjs.Sound.initializeDefaultPlugins();
this.queue = new createjs.LoadQueue();
this.queue.installPlugin(createjs.Sound);
this.queue.on('progress',this.assetsProgress,this);
this.queue.on('complete',this.assetsLoaded,this);
createjs.Sound.alternateExtensions = ["ogg"];
this.queue.loadManifest(this.loadManifest);
}
p.assetsProgress = function (e) {
this.loadProgress = e.progress;
this.dispatchEvent(this.ASSETS_PROGRESS);
}
p.assetsLoaded = function (e) {
this.dispatchEvent(this.ASSETS_COMPLETE);
}
p.getAsset = function (asset) {
return this.queue.getResult(asset);
}
window.game.AssetManager = AssetManager;
}());