52 lines
1.6 KiB
C
52 lines
1.6 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 "Serialization/ArchiveUObject.h"
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#include "Serialization/MemoryWriter.h"
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#include "Containers/Queue.h"
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/*----------------------------------------------------------------------------
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FArchiveObjectCrc32
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----------------------------------------------------------------------------*/
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/**
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* Calculates a checksum on an object's serialized data stream.
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*/
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class COREUOBJECT_API FArchiveObjectCrc32: public FArchiveUObject
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{
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public:
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/**
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* Default constructor.
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*/
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FArchiveObjectCrc32();
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//~ Begin FArchive Interface
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virtual void Serialize(void* Data, int64 Length);
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virtual FArchive& operator<<(class FName& Name);
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virtual FArchive& operator<<(class UObject*& Object);
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virtual FString GetArchiveName() const { return TEXT("FArchiveObjectCrc32"); }
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//~ End FArchive Interface
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/**
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* Serialize the given object, calculate and return its checksum.
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*/
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uint32 Crc32(UObject* Object, uint32 CRC = 0);
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protected:
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/** Return if object was already serialized */
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virtual bool CustomSerialize(class UObject* Object) { return false; }
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/** Internal byte array used for serialization */
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TArray<uint8> SerializedObjectData;
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/** Internal archive used for serialization */
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FMemoryWriter MemoryWriter;
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/** Internal queue of object references awaiting serialization */
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TQueue<UObject*> ObjectsToSerialize;
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/** Internal currently serialized object */
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const UObject* ObjectBeingSerialized;
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/** Internal root object */
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const UObject* RootObject;
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};
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