ArchiveSavePackageDataBuffer.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "Misc/Optional.h"
#include "Serialization/ArchiveSavePackageData.h"
#include "UObject/ArchiveCookContext.h"
#include "UObject/ObjectSaveContext.h"
 
namespace UE::Cook { class ICookInfo; }
 
struct FArchiveSavePackageDataBuffer : public FArchiveSavePackageData
{
public:
    FArchiveSavePackageDataBuffer(const ITargetPlatform* InTargetPlatform = nullptr, UPackage* Package = nullptr,
        UE::Cook::ICookInfo* CookInfo = nullptr)
        // warning V1050 : The uninitialized class member 'ObjectSavePackageSerializeContextBuffer' is used when initializing the base class 'FArchiveSavePackageData'.
        // This warning can be ignored because the base class only records the pointer and does not dereference it
        : FArchiveSavePackageData(ObjectSavePackageSerializeContextBuffer, nullptr, nullptr) // -V1050
        , ObjectSaveContextData(FObjectSaveContextData())
        , ObjectSavePackageSerializeContextBuffer(*ObjectSaveContextData)
        , CookContextBuffer(Package, UE::Cook::ECookType::Unknown, UE::Cook::ECookingDLC::Unknown,
            InTargetPlatform, CookInfo)
    {
        SetConstructorTargetPlatform(InTargetPlatform);
    }
 
    FArchiveSavePackageDataBuffer(FArchiveCookContext InContext)
        : FArchiveSavePackageData(ObjectSavePackageSerializeContextBuffer, nullptr, nullptr)
        , ObjectSaveContextData(FObjectSaveContextData())
        , ObjectSavePackageSerializeContextBuffer(*ObjectSaveContextData)
        , CookContextBuffer(MoveTemp(InContext))
    {
        SetConstructorTargetPlatform(InContext.GetTargetPlatform());
    }
 
    FArchiveSavePackageDataBuffer(FObjectSaveContextData& InData, UPackage* InPackage = nullptr)
        : FArchiveSavePackageData(ObjectSavePackageSerializeContextBuffer, nullptr, nullptr)
        , ObjectSavePackageSerializeContextBuffer(InData)
        , CookContextBuffer(InPackage, InData.CookType, InData.CookingDLC, InData.TargetPlatform, InData.CookInfo)
    {
        SetConstructorTargetPlatform(InData.TargetPlatform);
    }
 
    TOptional<FObjectSaveContextData> ObjectSaveContextData;
    FObjectSavePackageSerializeContext ObjectSavePackageSerializeContextBuffer;
    FArchiveCookContext CookContextBuffer;
 
private:
    void SetConstructorTargetPlatform(const ITargetPlatform* InTargetPlatform)
    {
        if (InTargetPlatform)
        {
            TargetPlatform = InTargetPlatform;
            CookContext = &CookContextBuffer;
        }
    }
};