PreLoadFile.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Containers/UnrealString.h"
#include "CoreMinimal.h"
#include "HAL/Platform.h"
#include "Misc/DelayedAutoRegister.h"
 
class FEvent;
 
struct FPreLoadFile : public FDelayedAutoRegisterHelper
{
    CORE_API FPreLoadFile(const TCHAR* InPath);
 
    CORE_API void* TakeOwnershipOfLoadedData(int64* OutFileSize=nullptr);
    static CORE_API void* TakeOwnershipOfLoadedDataByPath(const TCHAR* Filename, int64* OutFileSize);
 
protected:
    CORE_API void KickOffRead();
 
    bool bIsComplete;
    bool bFailedToOpenInKickOff;
    static CORE_API bool bSystemNoLongerTakingRequests;
    void* Data;
    int64 FileSize;
    FString Path;
    FEvent* CompletionEvent;
    class IAsyncReadFileHandle* AsyncReadHandle = nullptr;
    class IAsyncReadRequest* SizeRequestHandle = nullptr;
};