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Merge pull request #24 from yKimisaki/feature/ToUniTaskForAssetBundleResquest 

Add ToUniTask for AssetBundleRequest.
master
Yoshifumi Kawai 2019-09-20 20:49:45 +09:00 committed by GitHub
parent 1a2dfd1537 f7c95bcabd
commit d6a7dd9fc5
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1 changed files with 184 additions and 0 deletions
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184
Assets/UniRx.Async/UnityAsyncExtensions.cs
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@ -59,6 +59,30 @@ namespace UniRx.Async
return new UniTask<UnityEngine.Object>(awaiter);
}
public static AssetBundleRequestAwaiter GetAwaiter(this AssetBundleRequest resourceRequest)
{
Error.ThrowArgumentNullException(resourceRequest, nameof(resourceRequest));
return new AssetBundleRequestAwaiter(resourceRequest);
}
public static UniTask<UnityEngine.Object> ToUniTask(this AssetBundleRequest resourceRequest)
{
Error.ThrowArgumentNullException(resourceRequest, nameof(resourceRequest));
return new UniTask<UnityEngine.Object>(new AssetBundleRequestAwaiter(resourceRequest));
}
public static UniTask<UnityEngine.Object> ConfigureAwait(this AssetBundleRequest resourceRequest, IProgress<float> progress = null, PlayerLoopTiming timing = PlayerLoopTiming.Update, CancellationToken cancellation = default(CancellationToken))
{
Error.ThrowArgumentNullException(resourceRequest, nameof(resourceRequest));
var awaiter = new AssetBundleRequestConfiguredAwaiter(resourceRequest, progress, cancellation);
if (!awaiter.IsCompleted)
{
PlayerLoopHelper.AddAction(timing, awaiter);
}
return new UniTask<UnityEngine.Object>(awaiter);
}
#if ENABLE_WWW
#if UNITY_2018_3_OR_NEWER
@ -443,6 +467,166 @@ namespace UniRx.Async
}
}
public struct AssetBundleRequestAwaiter : IAwaiter<UnityEngine.Object>
{
AssetBundleRequest asyncOperation;
Action<AsyncOperation> continuationAction;
AwaiterStatus status;
UnityEngine.Object result;
public AssetBundleRequestAwaiter(AssetBundleRequest asyncOperation)
{
this.status = asyncOperation.isDone ? AwaiterStatus.Succeeded : AwaiterStatus.Pending;
this.asyncOperation = (this.status.IsCompleted()) ? null : asyncOperation;
this.result = (this.status.IsCompletedSuccessfully()) ? asyncOperation.asset : null;
this.continuationAction = null;
}
public bool IsCompleted => status.IsCompleted();
public AwaiterStatus Status => status;
public UnityEngine.Object GetResult()
{
if (status == AwaiterStatus.Succeeded) return this.result;
if (status == AwaiterStatus.Pending)
{
// first timing of call
if (asyncOperation.isDone)
{
status = AwaiterStatus.Succeeded;
}
else
{
Error.ThrowNotYetCompleted();
}
}
this.result = asyncOperation.asset;
if (continuationAction != null)
{
asyncOperation.completed -= continuationAction;
asyncOperation = null; // remove reference.
continuationAction = null;
}
else
{
asyncOperation = null; // remove reference.
}
return this.result;
}
void IAwaiter.GetResult() => GetResult();
public void OnCompleted(Action continuation)
{
UnsafeOnCompleted(continuation);
}
public void UnsafeOnCompleted(Action continuation)
{
Error.ThrowWhenContinuationIsAlreadyRegistered(continuationAction);
continuationAction = continuation.AsFuncOfT<AsyncOperation>();
asyncOperation.completed += continuationAction;
}
}
class AssetBundleRequestConfiguredAwaiter : IAwaiter<UnityEngine.Object>, IPlayerLoopItem
{
AssetBundleRequest asyncOperation;
IProgress<float> progress;
CancellationToken cancellationToken;
AwaiterStatus status;
Action continuation;
UnityEngine.Object result;
public AssetBundleRequestConfiguredAwaiter(AssetBundleRequest asyncOperation, IProgress<float> progress, CancellationToken cancellationToken)
{
this.status = cancellationToken.IsCancellationRequested ? AwaiterStatus.Canceled
: asyncOperation.isDone ? AwaiterStatus.Succeeded
: AwaiterStatus.Pending;
if (this.status.IsCompletedSuccessfully()) this.result = asyncOperation.asset;
if (this.status.IsCompleted()) return;
this.asyncOperation = asyncOperation;
this.progress = progress;
this.cancellationToken = cancellationToken;
this.continuation = null;
this.result = null;
TaskTracker.TrackActiveTask(this, 2);
}
public bool IsCompleted => status.IsCompleted();
public AwaiterStatus Status => status;
void IAwaiter.GetResult() => GetResult();
public UnityEngine.Object GetResult()
{
if (status == AwaiterStatus.Succeeded) return this.result;
if (status == AwaiterStatus.Canceled)
{
Error.ThrowOperationCanceledException();
}
return Error.ThrowNotYetCompleted<UnityEngine.Object>();
}
public bool MoveNext()
{
if (cancellationToken.IsCancellationRequested)
{
InvokeContinuation(AwaiterStatus.Canceled);
return false;
}
if (progress != null)
{
progress.Report(asyncOperation.progress);
}
if (asyncOperation.isDone)
{
this.result = asyncOperation.asset;
InvokeContinuation(AwaiterStatus.Succeeded);
return false;
}
return true;
}
void InvokeContinuation(AwaiterStatus status)
{
this.status = status;
var cont = this.continuation;
// cleanup
TaskTracker.RemoveTracking(this);
this.continuation = null;
this.cancellationToken = CancellationToken.None;
this.progress = null;
this.asyncOperation = null;
if (cont != null) cont.Invoke();
}
public void OnCompleted(Action continuation)
{
Error.ThrowWhenContinuationIsAlreadyRegistered(this.continuation);
this.continuation = continuation;
}
public void UnsafeOnCompleted(Action continuation)
{
Error.ThrowWhenContinuationIsAlreadyRegistered(this.continuation);
this.continuation = continuation;
}
}
#if ENABLE_WWW
#if UNITY_2018_3_OR_NEWER