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