/// <summary>
/// 异步加载assetbundle, 加载ab包分两部分，第一部分是从硬盘加载，第二部分加载all assets。两者不能同时并发
/// </summary>
public static async ETTask LoadBundleAsync(this ResourcesComponent self, string assetBundleName)
{
assetBundleName = assetBundleName.BundleNameToLower();
string[] dependencies = self.GetSortedDependencies(assetBundleName);
//Log.Debug($"-----------dep load async start {assetBundleName} dep: {dependencies.ToList().ListToString()}");
using (ListComponent <ABInfo> abInfos = ListComponent <ABInfo> .Create())
{
async ETTask LoadDependency(string dependency, List <ABInfo> abInfosList)
{
CoroutineLock coroutineLock = null;
try
{
coroutineLock = await CoroutineLockComponent.Instance.Wait(CoroutineLockType.Resources, dependency.GetHashCode());
ABInfo abInfo = await self.LoadOneBundleAsync(dependency);
if (abInfo == null || abInfo.RefCount > 1)
{
return;
}
abInfosList.Add(abInfo);
}
finally
{
coroutineLock?.Dispose();
}
}
// LoadFromFileAsync部分可以并发加载
using (ListComponent <ETTask> tasks = ListComponent <ETTask> .Create())
{
foreach (string dependency in dependencies)
{
tasks.Add(LoadDependency(dependency, abInfos));
}
await ETTaskHelper.WaitAll(tasks);
// ab包从硬盘加载完成，可以再并发加载all assets
tasks.Clear();
foreach (ABInfo abInfo in abInfos)
{
tasks.Add(self.LoadOneBundleAllAssets(abInfo));
}
await ETTaskHelper.WaitAll(tasks);
}
}
}
