public UAsset GetAsset(string assetPath, Type type, EAssetHints hints)
{
WeakReference assetRef;
UAsset asset = null;
if (_assets.TryGetValue(assetPath, out assetRef) && assetRef.IsAlive)
{
asset = assetRef.Target as UAsset;
if (asset != null)
{
ResourceManager.GetAnalyzer()?.OnAssetAccess(assetPath);
return(asset);
}
}
ResourceManager.GetAnalyzer()?.OnAssetOpen(assetPath);
if (Directory.Exists(assetPath))
{
asset = new UAssetDatabaseFileListAsset(assetPath);
}
else if (IsFileExists(assetPath))
{
asset = new UAssetDatabaseAsset(assetPath, type, hints, Random.Range(_asyncSimMin, _asyncSimMax));
}
else
{
asset = new UFailureAsset(assetPath, type);
}
_assets[assetPath] = new WeakReference(asset);
return(asset);
}
public UAsset GetAsset(string assetPath, Type type)
{
WeakReference assetRef;
UAsset asset = null;
if (_assets.TryGetValue(assetPath, out assetRef) && assetRef.IsAlive)
{
asset = assetRef.Target as UAsset;
if (asset != null)
{
ResourceManager.GetAnalyzer().OnAssetAccess(assetPath);
return(asset);
}
}
ResourceManager.GetAnalyzer().OnAssetOpen(assetPath);
if (File.Exists(assetPath))
{
asset = new UAssetDatabaseAsset(assetPath, type);
}
else
{
asset = new UFailureAsset(assetPath);
}
_assets[assetPath] = new WeakReference(asset);
return(asset);
}
private UAsset GetAsset(string assetPath, bool concrete, Type type)
{
UAsset asset = null;
WeakReference assetRef;
var transformedAssetPath = TransformAssetPath(assetPath);
if (_assets.TryGetValue(transformedAssetPath, out assetRef) && assetRef.IsAlive)
{
asset = assetRef.Target as UAsset;
if (asset != null)
{
ResourceManager.GetAnalyzer().OnAssetAccess(assetPath);
return(asset);
}
}
string bundleName;
if (_assetPath2Bundle.TryGetValue(transformedAssetPath, out bundleName))
{
var bundle = this.GetBundle(bundleName);
if (bundle != null)
{
bundle.AddRef();
var assetBundleUBundle = bundle as UAssetBundleBundle;
if (assetBundleUBundle != null)
{
ResourceManager.GetAnalyzer().OnAssetOpen(assetPath);
if (concrete)
{
asset = new UAssetBundleConcreteAsset(assetBundleUBundle, assetPath, type);
}
else
{
asset = new UAssetBundleAsset(assetBundleUBundle, assetPath);
}
_assets[TransformAssetPath(assetPath)] = new WeakReference(asset);
}
else
{
var zipArchiveBundle = bundle as UZipArchiveBundle;
if (zipArchiveBundle != null)
{
ResourceManager.GetAnalyzer().OnAssetOpen(assetPath);
asset = new UZipArchiveBundleAsset(zipArchiveBundle, assetPath);
_assets[TransformAssetPath(assetPath)] = new WeakReference(asset);
}
}
bundle.RemoveRef();
return(asset);
}
// 不是 Unity 资源包, 不能实例化 AssetBundleUAsset
}
var invalid = new UFailureAsset(assetPath);
_assets[TransformAssetPath(assetPath)] = new WeakReference(invalid);
return(invalid);
}
//TODO: hints
private UAsset GetAsset(string assetPath, bool concrete, Type type, EAssetHints hints)
{
if (_closed)
{
return(null);
}
UAsset asset = null;
WeakReference assetRef;
var transformedAssetPath = TransformAssetPath(assetPath);
if (_assets.TryGetValue(transformedAssetPath, out assetRef) && assetRef.IsAlive)
{
asset = assetRef.Target as UAsset;
if (asset != null)
{
ResourceManager.GetAnalyzer()?.OnAssetAccess(assetPath);
return(asset);
}
}
string bundleName;
if (TryGetBundleNameByAssetPath(transformedAssetPath, out bundleName))
{
var bundle = this.GetBundle(bundleName, hints);
if (bundle != null)
{
try
{
bundle.AddRef();
ResourceManager.GetAnalyzer()?.OnAssetOpen(assetPath);
asset = bundle.CreateAsset(assetPath, type, concrete, hints);
if (asset != null)
{
_assets[TransformAssetPath(assetPath)] = new WeakReference(asset);
return(asset);
}
}
finally
{
bundle.RemoveRef();
}
}
// 不是 Unity 资源包, 不能实例化 AssetBundleUAsset
}
var invalid = new UFailureAsset(assetPath, type);
_assets[TransformAssetPath(assetPath)] = new WeakReference(invalid);
return(invalid);
}
private UAsset GetAsset(string assetPath, bool concrete)
{
UAsset asset = null;
WeakReference assetRef;
if (_assets.TryGetValue(assetPath, out assetRef) && assetRef.IsAlive)
{
asset = assetRef.Target as UAsset;
if (asset != null)
{
return(asset);
}
}
string bundleName;
if (_assetPath2Bundle.TryGetValue(assetPath, out bundleName))
{
var bundle = this.GetBundle(bundleName);
if (bundle != null)
{
bundle.AddRef();
var assetBundleUBundle = bundle as UAssetBundleBundle;
if (assetBundleUBundle != null)
{
if (concrete)
{
asset = new UAssetBundleConcreteAsset(assetBundleUBundle, assetPath);
}
else
{
asset = new UAssetBundleAsset(assetBundleUBundle, assetPath);
}
_assets[assetPath] = new WeakReference(asset);
}
bundle.RemoveRef();
return(asset);
}
// 不是 Unity 资源包, 不能实例化 AssetBundleUAsset
}
var invalid = new UFailureAsset(assetPath);
_assets[assetPath] = new WeakReference(invalid);
return(invalid);
}