private IEnumerator _Init(string path, LoaderMode loaderMode)
{
IsLoadAssetBundle = EngineConfig.instance.IsLoadAssetBundle;
Object getAsset = null;
if (IsEditorLoadAsset)
{
#if UNITY_EDITOR
if (path.EndsWith(".unity"))
{
// scene
getAsset = AppFacade.Instance.GetManager <KResourceManager>();
Log.LogWarning("Load scene from Build Settings: {0}", path);
}
else
{
getAsset = UnityEditor.AssetDatabase.LoadAssetAtPath("Assets/" + EngineConfig.instance.ResourcesBuildDir + "/" + path, typeof(UnityEngine.Object));
if (getAsset == null)
{
Log.Error("Asset is NULL(from {0} Folder): {1}", EngineConfig.instance.ResourcesBuildDir, path);
}
}
#else
Log.Error("`IsEditorLoadAsset` is Unity Editor only");
#endif
OnFinish(getAsset);
}
else if (!IsLoadAssetBundle)
{
string extension = Path.GetExtension(path);
path = path.Substring(0, path.Length - extension.Length); // remove extensions
getAsset = Resources.Load <Object>(path);
if (getAsset == null)
{
Log.Error("Asset is NULL(from Resources Folder): {0}", path);
}
OnFinish(getAsset);
}
else
{
_bundleLoader = AssetBundleLoader.Load(path, null, loaderMode);
while (!_bundleLoader.IsCompleted)
{
if (IsReadyDisposed) // 中途释放
{
_bundleLoader.Release();
OnFinish(null);
yield break;
}
yield return(null);
}
if (!_bundleLoader.IsSuccess)
{
Log.Error("[AssetFileLoader]Load BundleLoader Failed(Error) when Finished: {0}", path);
_bundleLoader.Release();
OnFinish(null);
yield break;
}
var assetBundle = _bundleLoader.Bundle;
DateTime beginTime = DateTime.Now;
#if UNITY_5
// Unity 5 下，不能用mainAsset, 要取对象名
var abAssetName = Path.GetFileNameWithoutExtension(Url).ToLower();
if (!assetBundle.isStreamedSceneAssetBundle)
{
if (loaderMode == LoaderMode.Sync)
{
getAsset = assetBundle.LoadAsset(abAssetName);
Debuger.Assert(getAsset);
}
else
{
var request = assetBundle.LoadAssetAsync(abAssetName);
while (!request.isDone)
{
yield return(null);
}
Debuger.Assert(getAsset = request.asset);
}
}
else
{
// if it's a scene in asset bundle, did nothing
// but set a fault Object the result
getAsset = AppFacade.Instance.GetManager <KResourceManager>();
}
#else
// 经过AddWatch调试，.mainAsset这个getter第一次执行时特别久，要做序列化
//AssetBundleRequest request = assetBundle.LoadAsync("", typeof(Object));// mainAsset
//while (!request.isDone)
//{
// yield return null;
//}
try
{
Debuger.Assert(getAsset = assetBundle.mainAsset);
}
catch
{
Log.Error("[OnAssetBundleLoaded:mainAsset]{0}", path);
}
#endif
KResourceManager.LogLoadTime("AssetFileBridge", path, beginTime);
if (getAsset == null)
{
Log.Error("Asset is NULL: {0}", path);
}
}
if (Application.isEditor)
{
if (getAsset != null)
{
KResoourceLoadedAssetDebugger.Create(getAsset.GetType().Name, Url, getAsset as Object);
}
// 编辑器环境下，如果遇到GameObject，对Shader进行Fix
if (getAsset is GameObject)
{
var go = getAsset as GameObject;
foreach (var r in go.GetComponentsInChildren <Renderer>(true))
{
RefreshMaterialsShaders(r);
}
}
}
if (getAsset != null)
{
// 更名~ 注明来源asset bundle 带有类型
getAsset.name = String.Format("{0}~{1}", getAsset, Url);
}
OnFinish(getAsset);
}
/// <summary>
/// 协和加载Assetbundle，加载完后执行callback
/// </summary>
/// <param name="url">资源的url</param>
/// <param name="callback"></param>
/// <param name="callbackArgs"></param>
/// <returns></returns>
private IEnumerator CoLoad(string url)
{
KResourceManager.LogRequest("WWW", url);
System.DateTime beginTime = System.DateTime.Now;
// 潜规则：不用LoadFromCache~它只能用在.assetBundle
Www = new WWW(url);
BeginLoadTime = Time.time;
WWWLoadingCount++;
//设置AssetBundle解压缩线程的优先级
Www.threadPriority = Application.backgroundLoadingPriority; // 取用全局的加载优先速度
while (!Www.isDone)
{
Progress = Www.progress;
yield return(null);
}
yield return(Www);
WWWLoadingCount--;
Progress = 1;
if (IsReadyDisposed)
{
Log.Error("[KWWWLoader]Too early release: {0}", url);
OnFinish(null);
yield break;
}
if (!string.IsNullOrEmpty(Www.error))
{
if (Application.platform == RuntimePlatform.Android)
{
// TODO: Android下的错误可能是因为文件不存在!
}
string fileProtocol = KResourceManager.GetFileProtocol();
if (url.StartsWith(fileProtocol))
{
string fileRealPath = url.Replace(fileProtocol, "");
Log.Error("File {0} Exist State: {1}", fileRealPath, System.IO.File.Exists(fileRealPath));
}
Log.Error("[KWWWLoader:Error]{0} {1}", Www.error, url);
OnFinish(null);
yield break;
}
else
{
KResourceManager.LogLoadTime("WWW", url, beginTime);
if (WWWFinishCallback != null)
{
WWWFinishCallback(url);
}
Desc = string.Format("{0}K", Www.bytes.Length / 1024f);
OnFinish(Www);
}
// 预防WWW加载器永不反初始化, 造成内存泄露~
if (Application.isEditor)
{
while (GetCount <KWWWLoader>() > 0)
{
yield return(null);
}
yield return(new WaitForSeconds(5f));
while (!IsReadyDisposed)
{
Log.Error("[KWWWLoader]Not Disposed Yet! : {0}", this.Url);
yield return(null);
}
}
}