| // Copyright Epic Games, Inc. All Rights Reserved. | |
| DECLARE_DELEGATE_OneParam(FLyraAssetManagerStartupJobSubstepProgress, float /*NewProgress*/); | |
| /** Handles reporting progress from streamable handles */ | |
| struct FLyraAssetManagerStartupJob | |
| { | |
| FLyraAssetManagerStartupJobSubstepProgress SubstepProgressDelegate; | |
| TFunction<void(const FLyraAssetManagerStartupJob&, TSharedPtr<FStreamableHandle>&)> JobFunc; | |
| FString JobName; | |
| float JobWeight; | |
| mutable double LastUpdate = 0; | |
| /** Simple job that is all synchronous */ | |
| FLyraAssetManagerStartupJob(const FString& InJobName, const TFunction<void(const FLyraAssetManagerStartupJob&, TSharedPtr<FStreamableHandle>&)>& InJobFunc, float InJobWeight) | |
| : JobFunc(InJobFunc) | |
| , JobName(InJobName) | |
| , JobWeight(InJobWeight) | |
| {} | |
| /** Perform actual loading, will return a handle if it created one */ | |
| TSharedPtr<FStreamableHandle> DoJob() const; | |
| void UpdateSubstepProgress(float NewProgress) const | |
| { | |
| SubstepProgressDelegate.ExecuteIfBound(NewProgress); | |
| } | |
| void UpdateSubstepProgressFromStreamable(TSharedRef<FStreamableHandle> StreamableHandle) const | |
| { | |
| if (SubstepProgressDelegate.IsBound()) | |
| { | |
| // StreamableHandle::GetProgress traverses() a large graph and is quite expensive | |
| double Now = FPlatformTime::Seconds(); | |
| if (LastUpdate - Now > 1.0 / 60) | |
| { | |
| SubstepProgressDelegate.Execute(StreamableHandle->GetProgress()); | |
| LastUpdate = Now; | |
| } | |
| } | |
| } | |
| }; | |