protected override void StartOneLoadAsync(IAssetLoadTask task)
{
var assetId = task.AssetId;
var loadState = GetLoadState(assetId);
var callback = task.Callback;
switch (loadState)
{
case LoadState.NotLoad:
OnNotLoad();
break;
case LoadState.Loaded:
OnLoaded();
break;
case LoadState.Loading:
OnLoading();
break;
default:
throw new ArgumentOutOfRangeException();
}
if (LoadingIds.Contains(assetId))
{
return;
}
void OnNotLoad()
{
Callbcker.AddCallback(assetId, ConvertAction);
SetLoadState(assetId, LoadState.Loading);
LoadingIds.Add(assetId);
StartLoadBundle(task);
}
void OnLoaded()
{
var asset = Buffer.GetValue(assetId);
callback(asset);
}
void OnLoading()
{
Callbcker.AddCallback(assetId, ConvertAction);
}
void ConvertAction(UnityEngine.Object tCallback)
{
LoadingIds.Remove(assetId);
var finalAsset = tCallback;
callback?.Invoke(finalAsset);
}
}
protected override void StartOneLoadAsync(IBundleLoadTask task)
{
string path = null;
path = BundlePathInfoHelepr.GetBundlePath(task.QueryId);
if (!File.Exists(path))
{
#if UNITY_EDITOR
Debug.LogError($"目标bundle路径{path}不存在!");
#endif
}
var request = AssetBundle.LoadFromFileAsync(path);
#if UNITY_EDITOR
////AnalyzeProfiler.SaveStartLoad(task.TargetBundleId);
#endif
LoadingIds.Add(task.TargetBundleId);
request.completed += op =>
{
IBundleRef bundleRef = null;
try
{
LoadingIds.Remove(task.TargetBundleId);
if (request.assetBundle == null)
{
bundleRef = null;
if (Buffer.HasValue(task.TargetBundleId))
{
bundleRef = Buffer.GetValue(task.TargetBundleId);
}
if (bundleRef == null)
{
throw new Exception($"Bundle__{task.TargetBundleId}加载失败！");
}
}
else
{
bundleRef = new BundleRef();
bundleRef.Update(request.assetBundle, OnBundleRelease);
SetLoadState(task.TargetBundleId, LoadState.Loaded);
Buffer.TryCache(task.TargetBundleId, bundleRef);
TryIncreaseBundleRef(bundleRef);
}
#if UNITY_EDITOR
////AnalyzeProfiler.SaveEndLoad(task.TargetBundleId);
#endif
}
catch (Exception e)
{
#if DEBUG
Debug.LogError(e.Message + e.StackTrace);
#endif
}
finally
{
string targetBundleId = task.TargetBundleId;
RestoreTask(task);
Callbcker.Callback(targetBundleId, bundleRef);
}
};
void TryIncreaseBundleRef(IBundleRef bundleRef)
{
if (task.InitiatedAssetId == null)
{
bundleRef.Use();
}
}
}