/// <summary>
/// 其它都准备好了，加载AssetBundle
/// 注意：这个方法只能被 AssetBundleManager 调用
/// 由 Manager 统一分配加载时机，防止加载过卡
/// </summary>
override public void LoadBundle()
{
_assetBundleCachedFile = string.Format("{0}/{1}", PathResolver.BundleCacheDir, bundleName);
_assetBundleSourceFile = PathResolver.GetBundleSourceFile(bundleName);
if (File.Exists(_assetBundleCachedFile))
{
bundleManager.StartCoroutine(LoadFromCachedFile());
}
else
{
bundleManager.StartCoroutine(LoadFromPackage());
}
}
protected override IEnumerator LoadFromPackage()
{
//兼容低版本API
#if UNITY_4 || UNITY_4_6 || UNITY_5_1 || UNITY_5_2
_bundle = AssetBundle.CreateFromFile(_assetBundleSourceFile);
yield return(null);
#else
_assetBundleSourceFile = PathResolver.GetBundleSourceFile(bundleName, false);
AssetBundleCreateRequest req = AssetBundle.LoadFromFileAsync(_assetBundleSourceFile);
yield return(req);
_bundle = req.assetBundle;
#endif
this.Complete();
}
protected override IEnumerator LoadFromPackage()
{
_assetBundleSourceFile = PathResolver.GetBundleSourceFile(bundleName, false);
return(base.LoadFromPackage());
}