// 当资源文件加载完毕
private void OnAssetFileLoad(AssetFileLoader loader)
{
// 注意 : 如果在加载过程中调用UnLoad，等资源文件加载完毕时不再执行后续准备工作。
if (Result != EAssetResult.Loading)
{
return;
}
// Check error
if (loader.LoadState != EAssetFileLoadState.LoadAssetFileOK)
{
Result = EAssetResult.Failed;
_userCallback?.Invoke(this);
return;
}
if (this is AssetScene || this is AssetPackage)
{
bool result = OnPrepare(null);
Result = result ? EAssetResult.OK : EAssetResult.Failed;
_userCallback?.Invoke(this);
}
else if (this is AssetObject)
{
loader.LoadMainAsset(null, OnMainAssetLoad);
}
else
{
throw new System.NotImplementedException($"Not support invalid asset class.");
}
}
public AssetProvider(AssetFileLoader owner, string assetName, System.Type assetType)
{
_owner = owner;
AssetName = assetName;
AssetType = assetType;
States = EAssetProviderStates.None;
Handle = new AssetOperationHandle(this);
}
/// <summary>
/// 卸载
/// </summary>
public void UnLoad()
{
Result = EAssetResult.None;
_userCallback = null;
if (_cacheLoader != null)
{
_cacheLoader.Release();
_cacheLoader = null;
}
}
/// <summary>
/// 卸载
/// </summary>
public virtual void UnLoad()
{
Result = EAssetResult.None;
if (_cacheLoader != null)
{
_cacheLoader.Release();
_cacheLoader = null;
}
}
/// <summary>
/// 异步加载
/// </summary>
public void Load(string resName, System.Action <Asset, EAssetResult> prepareCallbcak)
{
// 防止重复加载
if (Result != EAssetResult.None)
{
LogSystem.Log(ELogType.Warning, $"Asset {ResName} is already load.");
return;
}
if (_cacheLoader != null)
{
LogSystem.Log(ELogType.Warning, $"Asset {ResName} loader must null.");
return;
}
ResName = resName;
Result = EAssetResult.Loading;
_prepareCallback = prepareCallbcak;
_cacheLoader = AssetSystem.LoadAssetFile(ResName, AssetType, OnAssetFileLoad);
}
/// <summary>
/// 异步加载
/// </summary>
public void Load(string resName, System.Action <Asset> userCallbcak)
{
// 防止重复加载
if (Result != EAssetResult.None)
{
LogSystem.Log(ELogType.Warning, $"Asset {ResName} is already load.");
return;
}
if (_cacheLoader != null)
{
LogSystem.Log(ELogType.Warning, $"Asset {ResName} loader must null.");
return;
}
ResName = resName;
Result = EAssetResult.Loading;
_userCallback = userCallbcak;
bool isStreamScene = this is AssetScene;
_cacheLoader = AssetSystem.LoadAssetFile(ResName, isStreamScene, OnAssetFileLoad);
}
private void OnAssetFileLoad(AssetFileLoader loader)
{
// 注意 : 如果在加载过程中调用UnLoad，等资源文件加载完毕时不再执行后续准备工作。
if (Result != EAssetResult.Loading)
{
return;
}
if (loader.LoadState == EAssetFileLoadState.LoadAssetFileOK)
{
loader.LoadMainAsset(AssetType, OnAssetObjectLoad);
}
else
{
Result = EAssetResult.Failed;
// 回调接口
if (_prepareCallback != null)
{
_prepareCallback.Invoke(this, Result);
}
}
}
private static IEnumerator CoLoadAssetBundleAsync(string relativePath, ResourceDepRequest request)
{
// manifest
string manifestPath = ResourceDepUtils.GetBuildPath(String.Format("{0}.manifest{1}", relativePath,
AppEngine.GetConfig(KEngineDefaultConfigs.AssetBundleExt)));
var manifestLoader = HotBytesLoader.Load(manifestPath, LoaderMode.Sync);
while (!manifestLoader.IsCompleted)
{
yield return(null);
}
// manifest读取失败，可能根本没有manifest，是允许的
if (manifestLoader.IsSuccess)
{
var manifestBytes = manifestLoader.Bytes;
manifestLoader.Release(); // 释放掉文本字节
string[] manifestList = GetManifestList(manifestBytes);
for (var i = 0; i < manifestList.Length; i++)
{
var depPath = manifestList[i] + AppEngine.GetConfig(KEngineDefaultConfigs.AssetBundleExt);
var depLoader = AssetFileLoader.Load(depPath);
if (request.Loaders == null)
{
request.Loaders = new List <AbstractResourceLoader>();
}
request.Loaders.Add(depLoader);
while (!depLoader.IsCompleted)
{
yield return(null);
}
}
}
string path =
GetBuildPath(String.Format("{0}{1}", relativePath,
AppEngine.GetConfig(KEngineDefaultConfigs.AssetBundleExt)));
// 获取后缀名
var ext = Path.GetExtension(relativePath);
if (ext == ".unity" || ext == ".shader")
{
// Scene
var sceneLoader = AssetBundleLoader.Load(path);
if (request.Loaders == null)
{
request.Loaders = new List <AbstractResourceLoader>();
}
request.Loaders.Add(sceneLoader);
while (!sceneLoader.IsCompleted)
{
yield return(null);
}
}
else
{
var assetLoader = AssetFileLoader.Load(path);
while (!assetLoader.IsCompleted)
{
yield return(null);
}
request.Asset = assetLoader.Asset;
}
request.IsDone = true;
}
/// <summary>
/// 同步加载AssetBundle
/// </summary>
/// <param name="relativePath"></param>
/// <returns></returns>
public static Object LoadAssetBundleSync(string relativePath)
{
//CheckLoadShadersPrefab();
// manifest
string manifestPath = ResourceDepUtils.GetBuildPath(String.Format("{0}.manifest{1}", relativePath,
AppEngine.GetConfig(KEngineDefaultConfigs.AssetBundleExt)));
var manifestLoader = HotBytesLoader.Load(manifestPath, LoaderMode.Sync);
//while (!manifestLoader.IsCompleted)
// yield return null;
var manifestBytes = manifestLoader.Bytes;
manifestLoader.Release(); // 释放掉文本字节
if (manifestBytes != null)
{
var manifestList = GetManifestList(manifestBytes);
for (var i = 0; i < manifestList.Length; i++)
{
var depPath = manifestList[i] + AppEngine.GetConfig(KEngineDefaultConfigs.AssetBundleExt);
//var depLoader =
AssetFileLoader.Load(depPath);
//while (!depLoader.IsCompleted)
//{
// yield return null;
//}
/*if (Application.isEditor)
* {
* Log.Info("Load dep sync:{0}, from: {1}", depPath, relativePath);
* }*/
}
}
else
{
Log.Warning("Cannot find Manifest: {0}", relativePath);
}
string path =
GetBuildPath(String.Format("{0}{1}", relativePath,
AppEngine.GetConfig(KEngineDefaultConfigs.AssetBundleExt)));
//while (!assetLoader.IsCompleted)
// yield return null;
// 获取后缀名
var ext = Path.GetExtension(relativePath);
if (ext == ".unity" || ext == ".shader")
{
// Scene
//var sceneLoader =
AssetBundleLoader.Load(path);
//while (!sceneLoader.IsCompleted)
// yield return null;
return(null);
}
else
{
var assetLoader = AssetFileLoader.Load(path);
//while (!assetLoader.IsCompleted)
// yield return null;
return(assetLoader.Asset);
}
}
