Transform.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreTypes.h"
#include "HAL/PreprocessorHelpers.h"
#include "Math/MathFwd.h" // IWYU pragma: export
#include "Math/Quat.h"
#include "Math/ScalarRegister.h"
#include "Math/TransformNonVectorized.h"
#include "Math/TransformVectorized.h"
#include "Misc/LargeWorldCoordinates.h"
#include "Misc/LargeWorldCoordinatesSerializer.h"
#include "Serialization/MemoryLayout.h"
#include "Serialization/StructuredArchiveAdapters.h"
#include "Templates/IsUECoreType.h"
#include "UObject/NameTypes.h"
#include "UObject/UnrealNames.h"
 
UE_DECLARE_LWC_TYPE(Transform, 3);
class FArchive;
class FMemoryImageWriter;
class FMemoryUnfreezeContent;
class FPointerTableBase;
class FSHA1;
template <typename T> struct TCanBulkSerialize;
template <typename T> struct TIsPODType;
 
template<> struct TIsPODType<FTransform3f> { enum { Value = true }; };
template<> struct TIsPODType<FTransform3d> { enum { Value = true }; };
template<> struct TIsUECoreVariant<FTransform3f> { enum { Value = true }; };
template<> struct TIsUECoreVariant<FTransform3d> { enum { Value = true }; };
template<> struct TCanBulkSerialize<FTransform3f> { enum { Value = false }; }; // LWC_TODO: this was never defined before, should it be true or false?
template<> struct TCanBulkSerialize<FTransform3d> { enum { Value = false }; };
DECLARE_INTRINSIC_TYPE_LAYOUT(FTransform3f);
DECLARE_INTRINSIC_TYPE_LAYOUT(FTransform3d);
 
namespace UE::Math
{
    template<typename T>
    inline uint32 GetTypeHash(const TTransform<T>& Transform)
    {
        uint32 Hash = GetTypeHash(Transform.GetTranslation());
        Hash = HashCombineFast(Hash, GetTypeHash(Transform.GetRotation()));
        Hash = HashCombineFast(Hash, GetTypeHash(Transform.GetScale3D()));
 
        return Hash;
    }
    
}