File size: 1,522 Bytes
7fd553e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | // Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "Engine/StreamableManager.h"
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;
}
}
}
};
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