private int m_countChian; //链式加载堆栈计数，以免死循环
#endif
public void LoadAsync(string assetId, Action <IBundleRef> callback)
{
var assetLowerId = assetId.ToLower();
var bundleId = BundlePathInfoHelepr.GetBundleId(assetLowerId);
var loadState = GetLoadState(bundleId);
switch (loadState)
{
case LoadState.NotLoad:
OnNotLoad();
break;
case LoadState.Loaded:
OnLoaded();
break;
case LoadState.Loading:
OnLoading();
break;
default:
callback?.Invoke(null);
throw new ArgumentOutOfRangeException();
}
void OnNotLoad()
{
AsyncTask task = AsyncTask.Get();
task.SetCallback(callback);
Callbcker.AddCallback(bundleId, task.MainLoadDown);
var dependInfo = DependInfoHelper.GetDependInfo(bundleId);
var dependIds = dependInfo.DirectDepends;
if (dependIds.Count == 0)
{
Callbcker.AddCallback(bundleId, task.OneLoadDown);
task.AddCount();
SetLoadState(bundleId, LoadState.Loading);
WaitTasks.Enqueue(CreateMainTask(assetLowerId, bundleId));
}
else
{
#if DEBUG
m_countChian = 0;
#endif
PushChianTask(bundleId, dependInfo, task);
}
}
void OnLoaded()
{
callback(Buffer.GetValue(bundleId));
Buffer.As <BundleBuffer>().IncreaseRef(bundleId);
}
void OnLoading()
{
Callbcker.AddCallback(bundleId, callback);
}
}