BulkDataReader.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "Misc/AssertionMacros.h"
#include "HAL/UnrealMemory.h"
#include "Serialization/BufferReader.h"
#include "Serialization/BulkData.h"
#include "Containers/UnrealString.h"
 
 
class FBulkDataReader final : public FBufferReaderBase
{
public:
    FBulkDataReader( FByteBulkData& InBulkData, bool bIsPersistent = false )
        : FBufferReaderBase( InBulkData.Lock( LOCK_READ_ONLY ), InBulkData.GetBulkDataSize(), false, bIsPersistent )
        , BulkData( InBulkData )
    {
    }
 
    ~FBulkDataReader() override
    {
        BulkData.Unlock();
        Close();
    }
 
    using FArchive::operator<<; // For visibility of the overloads we don't override
 
    virtual FArchive& operator<<( class FName& Name ) override
    {
        // FNames are serialized as strings in BulkData
        FString StringName;
        *this << StringName;
        Name = FName( *StringName );
        return *this;
    }
 
    virtual FString GetArchiveName() const { return TEXT( "FBulkDataReader" ); }
 
protected:
    FByteBulkData& BulkData;
};