public IEnumerator Run()
{
while (true)
{
var topWorker = _processStack.Peek();
bool isDone;
try
{
isDone = !topWorker.MoveNext();
}
catch (Exception e)
{
//尝试输入异常信息
var objectTrace = GenerateObjectTrace(_processStack);
if (objectTrace.Any())
{
_awaiter.Complete(
default(T), new Exception(
GenerateObjectTraceMessage(objectTrace), e));
}
else
{
_awaiter.Complete(default(T), e);
}
yield break;
}
if (isDone)
{
_processStack.Pop();
if (_processStack.Count == 0)
{
_awaiter.Complete((T)topWorker.Current, null);
yield break;
}
}
if (topWorker.Current is IEnumerator)
{
//如果还是协程，继续运行
_processStack.Push((IEnumerator)topWorker.Current);
}
else
{
//返回给Unity做处理
yield return(topWorker.Current);
}
}
}
public static IEnumerator ResourceRequest(
UnityAwaiter <UnityEngine.Object> awaiter, ResourceRequest instruction)
{
yield return(instruction);
awaiter.Complete(instruction.asset, null);
}
public static IEnumerator ReturnSelf <T>(
UnityAwaiter <T> awaiter, T instruction)
{
yield return(instruction);
awaiter.Complete(instruction, null);
}
public static IEnumerator AssetBundleCreateRequest(
UnityAwaiter <AssetBundle> awaiter, AssetBundleCreateRequest instruction)
{
yield return(instruction);
awaiter.Complete(instruction.assetBundle, null);
}
public static IEnumerator ReturnVoid(
UnityAwaiter awaiter, object instruction)
{
// 暂且认定不会抛异常
yield return(instruction);
awaiter.Complete(null);
}
public static UnityAwaiter GetAwaiter <T>(this WaitForAction <T> waitForAction)
{
var awaiter = new UnityAwaiter();
if (waitForAction.GetAction() != null)
{
RunOnUnityScheduler(waitForAction.GetAction(), waitForAction.GetData());
}
awaiter.Complete(null);
return(awaiter);
}
public static IEnumerator FuncGetReturn <T>(UnityAwaiter <T> awaiter, Func <T> func)
{
yield return(null);
awaiter.Complete(func(), null);
}
