IEnumerator LoadDepInfo()
{
string depFile = string.Format("{0}/{1}", pathResolver.BundleCacheDir, pathResolver.DependFileName);
//编辑器模式下测试AB_MODE，直接读取
#if UNITY_EDITOR
depFile = pathResolver.GetBundleSourceFile(pathResolver.DependFileName, false);
#endif
if (File.Exists(depFile))
{
FileStream fs = new FileStream(depFile, FileMode.Open, FileAccess.Read);
Init(fs, null);
fs.Close();
}
else
{
string srcURL = pathResolver.GetBundleSourceFile(pathResolver.DependFileName);
WWW w = new WWW(srcURL);
yield return(w);
if (w.error == null)
{
Init(new MemoryStream(w.bytes), null);
File.WriteAllBytes(depFile, w.bytes);
}
else
{
Debug.LogError(string.Format("{0} not exist!", depFile));
}
}
this.InitComplete();
}
/// <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}", AssetBundlePathResolver.BundleCacheDir, bundleName);
_assetBundleSourceFile = AssetBundlePathResolver.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 = AssetBundlePathResolver.GetBundleSourceFile(bundleName, false);
AssetBundleCreateRequest req = AssetBundle.LoadFromFileAsync(_assetBundleSourceFile);
yield return(req);
_bundle = req.assetBundle;
#endif
this.Complete();
}