FWeightedRandomSampler Struct Reference

#include <WeightedRandomSampler.h>

Inheritance diagram for FWeightedRandomSampler:

Public Member Functions
	DECLARE_TYPE_LAYOUT (FWeightedRandomSampler, Abstract)
ENGINE_API	FWeightedRandomSampler ()
virtual ENGINE_API	~FWeightedRandomSampler ()
int32	GetEntryIndex (float R0, float R1) const
float	GetTotalWeight () const
virtual ENGINE_API void	Initialize ()
virtual ENGINE_API void	Serialize (FArchive &Ar)
int32	GetNumEntries () const
TArrayView< const float >	GetProb () const
TArrayView< const int32 >	GetAlias () const

Protected Member Functions
virtual float	GetWeights (TArray< float > &OutWeights)=0
	LAYOUT_FIELD (TMemoryImageArray< float >, Prob)
	LAYOUT_FIELD (TMemoryImageArray< int32 >, Alias)
	LAYOUT_FIELD (float, TotalWeight)

Constructor & Destructor Documentation

FWeightedRandomSampler()

FWeightedRandomSampler::FWeightedRandomSampler

(

)

~FWeightedRandomSampler()

FWeightedRandomSampler::~FWeightedRandomSampler ( )

virtualdefault

Member Function Documentation

DECLARE_TYPE_LAYOUT()

FWeightedRandomSampler::DECLARE_TYPE_LAYOUT	(	FWeightedRandomSampler	,
		Abstract
	)

GetAlias()

TArrayView< const int32 > FWeightedRandomSampler::GetAlias ( ) const

inline

GetEntryIndex()

int32 FWeightedRandomSampler::GetEntryIndex ( float  R0, float  R1  ) const

inline

Takes two random values (0...1) and returns the corresponding element index.

GetNumEntries()

int32 FWeightedRandomSampler::GetNumEntries ( ) const

inline

GetProb()

TArrayView< const float > FWeightedRandomSampler::GetProb ( ) const

inline

GetTotalWeight()

float FWeightedRandomSampler::GetTotalWeight ( ) const

inline

GetWeights()

virtual float FWeightedRandomSampler::GetWeights ( TArray< float > &  OutWeights )

protectedpure virtual

Gets the weight of all elements and returns their sum.

Implemented in FSkeletalMeshAreaWeightedTriangleSampler, FStaticMeshSectionAreaWeightedTriangleSampler, and FStaticMeshAreaWeightedSectionSampler.

Initialize()

void FWeightedRandomSampler::Initialize ( )

virtual

LAYOUT_FIELD() [1/3]

FWeightedRandomSampler::LAYOUT_FIELD ( float  , TotalWeight    )

protected

LAYOUT_FIELD() [2/3]

FWeightedRandomSampler::LAYOUT_FIELD ( TMemoryImageArray< float >  , Prob    )

protected

LAYOUT_FIELD() [3/3]

FWeightedRandomSampler::LAYOUT_FIELD ( TMemoryImageArray< int32 >  , Alias    )

protected

Serialize()

void FWeightedRandomSampler::Serialize ( FArchive &  Ar )

virtual

---

The documentation for this struct was generated from the following files:

• Engine/Source/Runtime/Engine/Public/WeightedRandomSampler.h
• Engine/Source/Runtime/Engine/Private/WeightedRandomSampler.cpp