FIndexFlagSet | Unreal Engine 5.6 Documentation

This class provides optionally sparse or dense boolean flags for a set of integer indices


Name	FIndexFlagSet
Type	class
Header File	/Engine/Source/Runtime/GeometryCore/Public/Util/SparseIndexCollectionTypes.h
Include Path	#include "Util/SparseIndexCollectionTypes.h"

Syntax

class FIndexFlagSet

Name	Remarks	Include Path	Unreal Specifiers
FIndexFlagSet ( bool bSetSparse, int MaxIndex )		Util/SparseIndexCollectionTypes.h
FIndexFlagSet ( int MaxIndex, int SubsetCountEst )		Util/SparseIndexCollectionTypes.h

Name	Type	Include Path
Dense	TOptional< TArray< bool > >	Util/SparseIndexCollectionTypes.h
DenseCount	int	Util/SparseIndexCollectionTypes.h
Sparse	TOptional< TSet< int > >	Util/SparseIndexCollectionTypes.h

Name	Remarks	Include Path
void Add ( int Index )		Util/SparseIndexCollectionTypes.h
bool Contains ( int Index ) const		Util/SparseIndexCollectionTypes.h
int Count()	Returns number of values in set	Util/SparseIndexCollectionTypes.h
void InitAuto ( int MaxIndex, int SubsetCountEst )	Initialize to either sparse or dense automatically, based on max index and estimated number of set indices	Util/SparseIndexCollectionTypes.h
void InitManual ( bool bSetSparse, int MaxIndex )	Initialize to sparse or dense based on the explicit caller choice	Util/SparseIndexCollectionTypes.h
void Remove ( int Index )		Util/SparseIndexCollectionTypes.h

Name	Remarks	Include Path	Unreal Specifiers
const bool operator[] ( unsigned int Index ) const	Array-style accessor that returns true if Index is in set, false otherwise	Util/SparseIndexCollectionTypes.h