UDocumentation UE5.7 10.02.2026 (Source)
API documentation for Unreal Engine 5.7
Classes | Namespaces | Enumerations | Functions | Variables
AttributeStorage.h File Reference
#include "Containers/Array.h"
#include "Containers/ContainersFwd.h"
#include "Containers/EnumAsByte.h"
#include "Containers/Map.h"
#include "Containers/UnrealString.h"
#include "HAL/CriticalSection.h"
#include "Internationalization/Text.h"
#include "Math/Box.h"
#include "Math/Box2D.h"
#include "Math/BoxSphereBounds.h"
#include "Math/Color.h"
#include "Math/Float16.h"
#include "Math/IntPoint.h"
#include "Math/IntRect.h"
#include "Math/IntVector.h"
#include "Math/MathFwd.h"
#include "Math/Matrix.h"
#include "Math/OrientedBox.h"
#include "Math/Plane.h"
#include "Math/Quat.h"
#include "Math/RandomStream.h"
#include "Math/Rotator.h"
#include "Math/Sphere.h"
#include "Math/Transform.h"
#include "Math/TwoVectors.h"
#include "Math/Vector.h"
#include "Math/Vector2D.h"
#include "Math/Vector2DHalf.h"
#include "Math/Vector4.h"
#include "Misc/DateTime.h"
#include "Misc/EnumClassFlags.h"
#include "Misc/FrameNumber.h"
#include "Misc/FrameRate.h"
#include "Misc/FrameTime.h"
#include "Misc/Guid.h"
#include "Misc/Timespan.h"
#include "Serialization/Archive.h"
#include "Templates/UnrealTemplate.h"
#include "UObject/NameTypes.h"
#include "UObject/SoftObjectPath.h"
#include "InterchangeCustomVersion.h"

Go to the source code of this file.

Classes

struct  UE::Interchange::FAttributeKey
 
struct  UE::Interchange::TAttributeStorageTypeTraits< T >
 
struct  UE::Interchange::TAttributeStorageTypeTraits< TArray< T > >
 
class  UE::Interchange::FAttributeStorage
 
class  UE::Interchange::FAttributeStorage::TAttributeHandle< T, std::enable_if_t< TIsNonEnumType< T > > >
 
class  UE::Interchange::FAttributeStorage::TAttributeHandle< E, std::enable_if_t< TIsEnum< E >::Value > >
 
class  UE::Interchange::FAttributeStorage::TAttributeHandle< B, std::enable_if_t< TIsTEnumAsByte< B >::Value > >
 
class  UE::Interchange::FAttributeStorage::TAttributeHandle< T, std::enable_if_t< TIsArrayOfEnumType< T > > >
 
class  UE::Interchange::FAttributeStorage::TAttributeHandle< T, std::enable_if_t< TIsArrayOfEnumAsByteType< T > > >
 
struct  UE::Interchange::FAttributeStorage::FAttributeAllocationInfo
 

Namespaces

namespace  UE
 
namespace  UE::Interchange
 
namespace  UE::Interchange::Private
 

Enumerations

enum class  UE::Interchange::EAttributeTypes : int32 {
  UE::Interchange::None = 0 , UE::Interchange::Bool = 1 , UE::Interchange::Color = 4 , UE::Interchange::DateTime = 5 ,
  UE::Interchange::Double = 6 , UE::Interchange::Enum = 7 , UE::Interchange::Float = 8 , UE::Interchange::Guid = 9 ,
  UE::Interchange::Int8 = 10 , UE::Interchange::Int16 = 11 , UE::Interchange::Int32 = 12 , UE::Interchange::Int64 = 13 ,
  UE::Interchange::IntRect = 14 , UE::Interchange::LinearColor = 15 , UE::Interchange::Name = 16 , UE::Interchange::RandomStream = 17 ,
  UE::Interchange::String = 18 , UE::Interchange::Timespan = 19 , UE::Interchange::TwoVectors = 20 , UE::Interchange::UInt8 = 21 ,
  UE::Interchange::UInt16 = 22 , UE::Interchange::UInt32 = 23 , UE::Interchange::UInt64 = 24 , UE::Interchange::Vector2d = 25 ,
  UE::Interchange::IntPoint = 26 , UE::Interchange::IntVector = 27 , UE::Interchange::Vector2DHalf = 28 , UE::Interchange::Float16 = 29 ,
  UE::Interchange::OrientedBox = 30 , UE::Interchange::FrameNumber = 31 , UE::Interchange::FrameRate = 32 , UE::Interchange::FrameTime = 33 ,
  UE::Interchange::SoftObjectPath = 34 , UE::Interchange::Matrix44f = 35 , UE::Interchange::Matrix44d = 36 , UE::Interchange::Plane4f = 37 ,
  UE::Interchange::Plane4d = 38 , UE::Interchange::Quat4f = 39 , UE::Interchange::Quat4d = 40 , UE::Interchange::Rotator3f = 41 ,
  UE::Interchange::Rotator3d = 42 , UE::Interchange::Transform3f = 43 , UE::Interchange::Transform3d = 44 , UE::Interchange::Vector3f = 45 ,
  UE::Interchange::Vector3d = 46 , UE::Interchange::Vector2f = 47 , UE::Interchange::Vector4f = 48 , UE::Interchange::Vector4d = 49 ,
  UE::Interchange::Box2f = 50 , UE::Interchange::Box2D = 51 , UE::Interchange::Box3f = 52 , UE::Interchange::Box3d = 53 ,
  UE::Interchange::BoxSphereBounds3f = 54 , UE::Interchange::BoxSphereBounds3d = 55 , UE::Interchange::Sphere3f = 56 , UE::Interchange::Sphere3d = 57 ,
  UE::Interchange::BoolArray = 58 , UE::Interchange::ColorArray = 59 , UE::Interchange::DateTimeArray = 60 , UE::Interchange::DoubleArray = 61 ,
  UE::Interchange::EnumArray = 62 , UE::Interchange::FloatArray = 63 , UE::Interchange::GuidArray = 64 , UE::Interchange::Int8Array = 65 ,
  UE::Interchange::Int16Array = 66 , UE::Interchange::Int32Array = 67 , UE::Interchange::Int64Array = 68 , UE::Interchange::IntRectArray = 69 ,
  UE::Interchange::LinearColorArray = 70 , UE::Interchange::NameArray = 71 , UE::Interchange::RandomStreamArray = 72 , UE::Interchange::StringArray = 73 ,
  UE::Interchange::TimespanArray = 74 , UE::Interchange::TwoVectorsArray = 75 , UE::Interchange::ByteArray = 2 , UE::Interchange::ByteArray64 = 3 ,
  UE::Interchange::UInt16Array = 76 , UE::Interchange::UInt32Array = 77 , UE::Interchange::UInt64Array = 78 , UE::Interchange::Vector2dArray = 79 ,
  UE::Interchange::IntPointArray = 80 , UE::Interchange::IntVectorArray = 81 , UE::Interchange::Vector2DHalfArray = 82 , UE::Interchange::Float16Array = 83 ,
  UE::Interchange::OrientedBoxArray = 84 , UE::Interchange::FrameNumberArray = 85 , UE::Interchange::FrameRateArray = 86 , UE::Interchange::FrameTimeArray = 87 ,
  UE::Interchange::SoftObjectPathArray = 88 , UE::Interchange::Matrix44fArray = 89 , UE::Interchange::Matrix44dArray = 90 , UE::Interchange::Plane4fArray = 91 ,
  UE::Interchange::Plane4dArray = 92 , UE::Interchange::Quat4fArray = 93 , UE::Interchange::Quat4dArray = 94 , UE::Interchange::Rotator3fArray = 95 ,
  UE::Interchange::Rotator3dArray = 96 , UE::Interchange::Transform3fArray = 97 , UE::Interchange::Transform3dArray = 98 , UE::Interchange::Vector3fArray = 99 ,
  UE::Interchange::Vector3dArray = 100 , UE::Interchange::Vector2fArray = 101 , UE::Interchange::Vector4fArray = 102 , UE::Interchange::Vector4dArray = 103 ,
  UE::Interchange::Box2fArray = 104 , UE::Interchange::Box2DArray = 105 , UE::Interchange::Box3fArray = 106 , UE::Interchange::Box3dArray = 107 ,
  UE::Interchange::BoxSphereBounds3fArray = 108 , UE::Interchange::BoxSphereBounds3dArray = 109 , UE::Interchange::Sphere3fArray = 110 , UE::Interchange::Sphere3dArray = 111 ,
  UE::Interchange::Max = 112
}
 
enum class  UE::Interchange::EAttributeStorageResult : uint64 {
  UE::Interchange::None = 0x0 , UE::Interchange::Operation_Success = 0x1 , UE::Interchange::Operation_Error_WrongType = (0x1 << 20) , UE::Interchange::Operation_Error_WrongSize = (0x1 << 21) ,
  UE::Interchange::Operation_Error_AttributeAllocationCorrupted = (0x1 << 22) , UE::Interchange::Operation_Error_CannotFoundKey = (0x1 << 23) , UE::Interchange::Operation_Error_CannotRemoveAttribute = (0x1 << 24) , UE::Interchange::Operation_Error_CannotOverrideAttribute = (0x1 << 25) ,
  UE::Interchange::Operation_Error_InvalidStorage = (0x1 << 26) , UE::Interchange::Operation_Error_InvalidMultiSizeValueData = (0x1 << 27)
}
 
enum class  UE::Interchange::EAttributeStorageAddOptions : uint32 { UE::Interchange::None = 0x0 , UE::Interchange::Option_Override = 0x1 }
 
enum class  UE::Interchange::EAttributeProperty : uint32 { UE::Interchange::None = 0x0 , UE::Interchange::NoHash = 0x1 }
 

Functions

template<typename T , typename Enable = void>
struct UE::Interchange::Private::UE_DEPRECATED (5.7, "No longer used.") TUnderlyingType
 
template<typename T >
struct UE::Interchange::Private::UE_DEPRECATED (5.7, "No longer used.") TUnderlyingType< T
 
uint32 UE::Interchange::GetTypeHash (const FAttributeKey &AttributeKey)
 
FString UE::Interchange::AttributeTypeToString (EAttributeTypes AttributeType)
 
EAttributeTypes UE::Interchange::StringToAttributeType (const FString &AttributeTypeString)
 
template<typename T , typename Enable = void>
struct UE::Interchange::UE_DEPRECATED (5.7, "No longer used: The AttributeStorage handles all supported type traits internally now.") TAttributeTypeTraits
 
template<typename ValueType >
INTERCHANGECORE_API FString UE::Interchange::AttributeValueToString (const ValueType &Value)
 
bool UE::Interchange::HasAttributeStorageResult (const EAttributeStorageResult Result, const EAttributeStorageResult RefResult)
 
bool UE::Interchange::IsAttributeStorageResultSuccess (const EAttributeStorageResult Result)
 
void UE::Interchange::LogAttributeStorageErrors (const EAttributeStorageResult Result, const FString OperationName, const FAttributeKey AttributeKey)
 
bool UE::Interchange::HasAttributeStorageAddOption (const EAttributeStorageAddOptions Options, const EAttributeStorageAddOptions RefOptions)
 
bool UE::Interchange::HasAttributeProperty (const EAttributeProperty PropertyA, const EAttributeProperty PropertyB)
 
template<typename T >
struct UE::Interchange::UE_DEPRECATED (5.7, "No longer used.") TSpecializeType
 

Variables

template<typename T >
constexpr bool UE::Interchange::TIsStringType = std::is_same_v<T, FString> || std::is_same_v<T, FName> || std::is_same_v<T, FSoftObjectPath>
 
template<typename T >
constexpr bool UE::Interchange::TIsArrayOfStringType = TAttributeStorageTypeTraits<T>::bIsArrayOfStringType
 
template<typename T >
constexpr bool UE::Interchange::TIsArrayOfEnumType = TAttributeStorageTypeTraits<T>::bIsArrayOfEnumType
 
template<typename T >
constexpr bool UE::Interchange::TIsArrayOfEnumAsByteType = TAttributeStorageTypeTraits<T>::bIsArrayOfEnumAsByteType
 
template<typename T >
constexpr bool UE::Interchange::TIsNonEnumType = !TIsEnum<T>::Value && !TIsTEnumAsByte<T>::Value && !TIsArrayOfEnumType<T> && !TIsArrayOfEnumAsByteType<T>