/// <summary>
/// Unity5下，使用manifest进行AssetBundle的加载
/// </summary>
static void PreLoadManifest()
{
if (_hasPreloadAssetBundleManifest)
{
return;
}
_hasPreloadAssetBundleManifest = true;
//var mainAssetBundlePath = string.Format("{0}/{1}/{1}", KResourceModule.BundlesDirName,KResourceModule.BuildPlatformName);
HotBytesLoader bytesLoader = HotBytesLoader.Load(KResourceManager.BuildPlatformName, LoaderMode.Sync); //string.Format("{0}/{1}", KResourceModule.BundlesDirName, KResourceModule.BuildPlatformName), LoaderMode.Sync);
_mainAssetBundle = AssetBundle.LoadFromMemory(bytesLoader.Bytes); //KResourceModule.LoadSyncFromStreamingAssets(mainAssetBundlePath));
_assetBundleManifest = _mainAssetBundle.LoadAsset("AssetBundleManifest") as AssetBundleManifest;
Debuger.Assert(_mainAssetBundle);
Debuger.Assert(_assetBundleManifest);
}
private IEnumerator LoadAssetBundle(string relativeUrl)
{
#if UNITY_5 || UNITY_2017_1_OR_NEWER
// Unity 5 Manifest中管理了依赖
var abPath = relativeUrl.ToLower();
var deps = _assetBundleManifest.GetAllDependencies(abPath);
_depLoaders = new AssetBundleLoader[deps.Length];
for (var d = 0; d < deps.Length; d++)
{
var dep = deps[d];
_depLoaders[d] = AssetBundleLoader.Load(dep, null, _loaderMode);
}
for (var l = 0; l < _depLoaders.Length; l++)
{
var loader = _depLoaders[l];
while (!loader.IsCompleted)
{
yield return(null);
}
}
#endif
#if UNITY_5 || UNITY_2017_1_OR_NEWER
// Unity 5 AssetBundle自动转小写
relativeUrl = relativeUrl.ToLower();
#endif
var bytesLoader = HotBytesLoader.Load(KResourceModule.BundlesPathRelative + relativeUrl, _loaderMode);
while (!bytesLoader.IsCompleted)
{
yield return(null);
}
if (!bytesLoader.IsSuccess)
{
if (AssetBundlerLoaderErrorEvent != null)
{
AssetBundlerLoaderErrorEvent(this);
}
Log.Error("[AssetBundleLoader]Error Load Bytes AssetBundle: {0}", relativeUrl);
OnFinish(null);
yield break;
}
byte[] bundleBytes = bytesLoader.Bytes;
Progress = 1 / 2f;
bytesLoader.Release(); // 字节用完就释放
BundleParser = new KAssetBundleParser(RelativeResourceUrl, bundleBytes);
while (!BundleParser.IsFinished)
{
if (IsReadyDisposed) // 中途释放
{
OnFinish(null);
yield break;
}
Progress = BundleParser.Progress / 2f + 1 / 2f; // 最多50%， 要算上WWWLoader的嘛
yield return(null);
}
Progress = 1f;
var assetBundle = BundleParser.Bundle;
if (assetBundle == null)
{
Log.Error("WWW.assetBundle is NULL: {0}", RelativeResourceUrl);
}
OnFinish(assetBundle);
//Array.Clear(cloneBytes, 0, cloneBytes.Length); // 手工释放内存
//GC.Collect(0);// 手工释放内存
}