FAttributesSetBase | Unreal Engine 4.27 Documentation

Unreal Engine C++ API Reference > Runtime > MeshDescription

Inheritance Hierarchy

FAttributesSetBase
TAttributesSet

References


Module	MeshDescription
Header	/Engine/Source/Runtime/MeshDescription/Public/MeshAttributeArray.h
Include	#include "MeshAttributeArray.h"

Syntax

class FAttributesSetBase

Remarks

This is the container for all attributes and their arrays. It wraps a TMap, mapping from attribute name to attribute array. An attribute may be of any arbitrary type; we use a mixture of polymorphism and compile-time templates to handle the different types.

Variables

	Type	Name	Description
	TMap< FName, FAttributesSetEntry >	Map	The actual container
	int32	NumElements	The number of elements in each attribute array

Constructors

	Type	Name	Description
		FAttributesSetBase ()	Constructor

Functions

Type	Name	Description
void	AppendAttributesFrom ( const FAttributesSetBase& OtherAttributesSet )
bool	DoesAttributeHaveAllFlags ( const FName AttributeName, EMeshAttributeFlags AttributeFlags )	Determine whether an attribute has all of the given flags
bool	DoesAttributeHaveAnyFlags ( const FName AttributeName, EMeshAttributeFlags AttributeFlags )	Determine whether an attribute has any of the given flags
void	GetAttributeNames ( TArray< FName, Allocator >& OutAttributeNames )	Returns an array of all the attribute names registered
TMeshAttributesRef< int32, typename TMeshAttributesRefType< T >::RefType >	GetAttributesRef ( const FName AttributeName )
TMeshAttributesConstRef< int32, typename TMeshAttributesRefType< T >::ConstRefType >	GetAttributesRef ( const FName AttributeName )	Get an attribute array with the given type and name.
uint32	GetHash ( const FName AttributeName )
int32	GetNumElements ()	Gets the number of elements in the attribute set
bool	HasAttribute ( const FName AttributeName )	Determines whether an attribute exists with the given name
bool	HasAttributeOfType ( const FName AttributeName )	Determines whether an attribute of the given type exists with the given name
void	Initialize ( const int32 Count )	Initializes all attributes to have the given number of elements with the default value
void	Insert ( const int32 Index )	Insert a new element at the given index.
TMeshAttributesArray< typename TMeshAttributesRegisterType< T >::RefType >	RegisterAttribute ( const FName AttributeName, const int32 NumberOfChannels, const T& Default, const EMeshAttributeFlags Flags )	Register a new simple attribute.
TMeshAttributesArray< typename TMeshAttributesRegisterType< T >::RefType >	RegisterAttribute ( const FName AttributeName, const int32 NumberOfChannels, const typename TMeshAttributesRegisterType< T >::RealAttributeType& Default, const EMeshAttributeFlags Flags )	Register a new fixed array attribute.
TMeshAttributesArray< typename TMeshAttributesRegisterType< T >::RefType >	RegisterAttributeInternal ( const FName AttributeName, const int32 NumberOfChannels, const typename TMeshAttributesRegisterType< T >::RealAttributeType& Default, const EMeshAttributeFlags Flags )	Register a new attribute name with the given type (must be a member of the AttributeTypes tuple).
TMeshAttributesArray< typename TMeshAttributesRegisterType< T >::RefType >	RegisterIndexAttribute ( const FName AttributeName, const int32 NumberOfChannels, const EMeshAttributeFlags Flags )	Register a new unbounded array attribute.
void	Remap ( const TSparseArray< int32 >& IndexRemap )	Applies the given remapping to the attributes set
void	Remove ( const int32 Index )	Remove an element at the given index.
void	SetNumElements ( const int32 Count )	Sets all attributes to have the given number of elements, preserving existing values and filling extra elements with the default value
void	UnregisterAttribute ( const FName AttributeName )	Unregister an attribute with the given name.

Navigation