DuplicatedDataReader.h

Go to the documentation of this file.

// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "Serialization/ArchiveUObject.h"
#include "UObject/UObjectAnnotation.h"
#include "Serialization/DuplicatedObject.h"
#include "Serialization/LargeMemoryData.h"
#include "Templates/RefCounting.h"
#include "UObject/UObjectThreadContext.h"
 
/*----------------------------------------------------------------------------
    FDuplicateDataReader.
----------------------------------------------------------------------------*/
 
class FDuplicateDataReader : public FArchiveUObject
{
private:
 
    class FUObjectAnnotationSparse<FDuplicatedObject,false>&    DuplicatedObjectAnnotation;
    const FLargeMemoryData&                 ObjectData;
    int64                                   Offset;
 
    //~ Begin FArchive Interface.
 
    virtual FArchive& operator<<(FName& N) override;
    virtual FArchive& operator<<(UObject*& Object) override;
    virtual FArchive& operator<<(FObjectPtr& Object) override;
    virtual FArchive& operator<<(FLazyObjectPtr& LazyObjectPtr) override;
    virtual FArchive& operator<<(FSoftObjectPath& SoftObjectPath) override;
    
    void SerializeFail();
 
    virtual void Serialize(void* Data,int64 Num)
    {
        if (ObjectData.Read(Data, Offset, Num))
        {
            Offset += Num;
        }
        else
        {
            SerializeFail();
        }
    }
 
    virtual void Seek(int64 InPos)
    {
        Offset = InPos;
    }
 
public:
    virtual FString GetArchiveName() const { return TEXT("FDuplicateDataReader"); }
 
    virtual int64 Tell()
    {
        return Offset;
    }
    virtual int64 TotalSize()
    {
        return ObjectData.GetSize();
    }
 
    FDuplicateDataReader( FUObjectAnnotationSparse<FDuplicatedObject,false>& InDuplicatedObjectAnnotation, const FLargeMemoryData& InObjectData, uint32 InPortFlags, UObject* InDestOuter );
};