FSelectionFacade | Unreal Engine 5.4 Documentation

API > API/Runtime > API/Runtime/Chaos > API/Runtime/Chaos/GeometryCollection > API/Runtime/Chaos/GeometryCollection/Facades

References


Module	Chaos
Header	/Engine/Source/Runtime/Experimental/Chaos/Public/GeometryCollection/Facades/CollectionSelectionFacade.h
Include	#include "GeometryCollection/Facades/CollectionSelectionFacade.h"

Syntax

class FSelectionFacade

Remarks

FSelectionFacade

Defines common API for storing a sib indexing of a separate group. For example, to store a subset of vertices defined in the group "VerticesGroup", use the function : Key = this->AddSelection({1,2,3,4}); The key can be saved and later used to query the values: TArray SavedVertices; this->GetSelection(Key, SavedVertices);

The following groups are created on the collection based on which API is called.

= FSelectionFacade::UnboundGroup_

FindAttribute>(FVertexSetInterface::IndexAttribute, );

= FSelectionFacade::WeightedUnboundGroup_

FindAttribute>(FVertexSetInterface::IndexAttribute, );
FindAttribute>(FVertexSetInterface::WeightAttribute, );

= FSelectionFacade::BoundGroup_

FindAttribute>(FVertexSetInterface::IndexAttribute, );
FindAttribute(FVertexSetInterface::BoneIndexAttribute,);

= FSelectionFacade::WeightedBoundGroup_

FindAttribute>(FVertexSetInterface::IndexAttribute, );
FindAttribute>(FVertexSetInterface::WeightAttribute, );
FindAttribute(FVertexSetInterface::BoneIndexAttribute, );

Constructors

	Type	Name	Description
		FSelectionFacade ( FManagedArrayCollection& InSelf )	FSelectionFacade Constuctor
		FSelectionFacade ( const FManagedArrayCollection& InSelf )

Functions

Type	Name	Description
FSelectionKey	AddSelection ( const TArray< int32 >& Indices, FName DependencyGroup )	Add the indices to the FVertexSetInterface::UnboundGroup
FSelectionKey	AddSelection ( const TArray< int32 >& Indices, const TArray< float >& Weights, FName DependencyGroup )	Add the indices to the FVertexSetInterface::WeightedUnboundGroup
FSelectionKey	AddSelection ( const int32 BoneIndex, const TArray< int32 >& Indices, FName DependencyGroup, FName BoneDependencyGroup )	Add the indices to the FVertexSetInterface::BoundGroup
FSelectionKey	AddSelection ( const int32 BoneIndex, const TArray< int32 >& Indices, const TArray< float >& Weights, FName DependencyGroup, FName BoneDependencyGroup )	Add the indices to the FVertexSetInterface::BoundGroup
void	GetSelection ( const FSelectionKey& Key, TArray< int32 >& Indices )	Return the vertex list from the given key
void	GetSelection ( const FSelectionKey& Key, TArray< int32 >& Indices, TArray< float >& Weights )	Return the vertex list, bone index, and weights from the given key
void	GetSelection ( const FSelectionKey& Key, int32& BoneIndex, TArray< int32 >& Indices )	Return the vertex list and bone index from the given key
void	GetSelection ( const FSelectionKey& Key, int32& BoneIndex, TArray< int32 >& Indices, TArray< float >& Weights )	Return the vertex list, bone index, and weights from the given key
bool	IsConst ()	Is the facade defined constant.