You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
114 lines
2.5 KiB
JavaScript
114 lines
2.5 KiB
JavaScript
window.Loader = {};
|
|
|
|
Loader.manifest = {};
|
|
Loader.manifestPreload = {}; // For Preloader
|
|
Loader.sounds = {};
|
|
|
|
/***************
|
|
|
|
Actually LOAD all the assets in a manifest. Like so:
|
|
|
|
Loader.loadAssets(Loader.manifest, function(){
|
|
Loader.sceneManager.gotoScene(Loader.START_SCENE);
|
|
Loader.startUpdateAndDraw();
|
|
});
|
|
|
|
***************/
|
|
Loader.loadAssets = function(manifest, completeCallback, progressCallback){
|
|
|
|
var deferred = Q.defer();
|
|
completeCallback = completeCallback || function(){};
|
|
progressCallback = progressCallback || function(){};
|
|
|
|
// ABSOLUTE NUMBER OF ASSETS!
|
|
var _isLoadingImages = 0;
|
|
var _isLoadingSounds = 0;
|
|
var _totalAssetsLoaded = 0;
|
|
var _totalAssetsToLoad = 0;
|
|
for(var key in manifest){
|
|
var src = manifest[key];
|
|
|
|
// Loading sounds or images?
|
|
if(src.slice(-4)==".mp3") _isLoadingSounds=1;
|
|
else _isLoadingImages=1;
|
|
|
|
// Loading sprite or image?
|
|
if(src.slice(-5)==".json") _totalAssetsToLoad+=2; // Is Sprite. Actually TWO assets.
|
|
else _totalAssetsToLoad+=1;
|
|
|
|
}
|
|
|
|
// When you load an asset
|
|
var _onAssetLoad = function(){
|
|
_totalAssetsLoaded++;
|
|
if(progressCallback){
|
|
progressCallback(_totalAssetsLoaded/_totalAssetsToLoad); // Callback PROGRESS
|
|
}
|
|
};
|
|
|
|
// When you load a group
|
|
var _groupsToLoad = _isLoadingImages + _isLoadingSounds;
|
|
var _onGroupLoaded = function(){
|
|
_groupsToLoad--;
|
|
if(_groupsToLoad==0){
|
|
completeCallback(); // DONE.
|
|
deferred.resolve();
|
|
}
|
|
};
|
|
|
|
// HOWLER - Loading Sounds
|
|
var _soundsToLoad = 0;
|
|
var _onSoundLoad = function(){
|
|
_soundsToLoad--;
|
|
_onAssetLoad();
|
|
if(_soundsToLoad==0) _onGroupLoaded();
|
|
};
|
|
|
|
// PIXI - Loading Images & Sprites (or pass it to Howler)
|
|
var loader = PIXI.loader;
|
|
var resources = PIXI.loader.resources;
|
|
for(var key in manifest){
|
|
|
|
var src = manifest[key];
|
|
|
|
// Is MP3. Leave it to Howler.
|
|
if(src.slice(-4)==".mp3"){
|
|
var sound = new Howl({ src:[src] });
|
|
_soundsToLoad++;
|
|
sound.once('load', _onSoundLoad);
|
|
Loader.sounds[key] = sound;
|
|
continue;
|
|
}
|
|
|
|
// Otherwise, is an image (or json). Leave it to PIXI.
|
|
loader.add(key, src);
|
|
|
|
}
|
|
loader.on('progress', _onAssetLoad);
|
|
loader.once('complete', _onGroupLoaded);
|
|
loader.load();
|
|
|
|
// Promise!
|
|
return deferred.promise;
|
|
|
|
};
|
|
|
|
/***************
|
|
|
|
Add assets to manifest! Like so:
|
|
|
|
Loader.addToManifest(Loader.manifest,{
|
|
bg: "sprites/bg.png",
|
|
button: "sprites/button/button.json",
|
|
[key]: [filepath],
|
|
[key]: [filepath],
|
|
etc...
|
|
});
|
|
|
|
***************/
|
|
Loader.addToManifest = function(manifest, keyValues){
|
|
for(var key in keyValues){
|
|
manifest[key] = keyValues[key];
|
|
}
|
|
};
|