FAsyncGrassBuilder Struct Reference

Inheritance diagram for FAsyncGrassBuilder:

Public Member Functions
	FAsyncGrassBuilder (ALandscapeProxy *Landscape, ULandscapeComponent *Component, const ULandscapeGrassType *GrassType, const FGrassVariety &GrassVariety, ERHIFeatureLevel::Type FeatureLevel, UGrassInstancedStaticMeshComponent *GrassInstancedStaticMeshComponent, int32 SqrtSubsections, int32 SubX, int32 SubY, uint32 InHaltonBaseIndex, TArray< FBox > &InExcludedBoxes)
void	InitLandscapeLightmap (ULandscapeComponent *Component)
void	SetInstance (int32 InstanceIndex, const FMatrix &InXForm, float RandomFraction)
FVector	GetDefaultScale () const
FVector	GetRandomScale (float InWeight) const
bool	IsExcluded (const FVector &LocationWithHeight)
void	Build ()
FORCEINLINE_DEBUGGABLE void	SampleLandscapeAtLocationLocal (const FVector &InLocation, FVector &OutLocation, float &OutLayerWeight, FVector *OutNormal=nullptr)
Public Member Functions inherited from FGrassBuilderBase
	FGrassBuilderBase (ALandscapeProxy *Landscape, ULandscapeComponent *Component, const FGrassVariety &GrassVariety, ERHIFeatureLevel::Type FeatureLevel, int32 SqrtSubsections=1, int32 SubX=0, int32 SubY=0, bool bEnableDensityScaling=true)

Public Attributes
FLandscapeComponentGrassAccess	GrassData
EGrassScaling	Scaling
FFloatInterval	ScaleX
FFloatInterval	ScaleY
FFloatInterval	ScaleZ
FFloatInterval	AllowedDensityRange
bool	bWeightAttenuatesMaxScale
float	MaxScaleWeightAttenuation
bool	bRandomRotation
bool	bRandomScale
bool	bAlignToSurface
bool	bAlignToTriangleNormals
float	PlacementJitter
FRandomStream	RandomStream
FMatrix	XForm
FBox	MeshBox
int32	DesiredInstancesPerLeaf
double	BuildTime
int32	TotalInstances
uint32	HaltonBaseIndex
bool	bUseLandscapeLightmap
FVector2D	LightmapBaseBias
FVector2D	LightmapBaseScale
FVector2D	ShadowmapBaseBias
FVector2D	ShadowmapBaseScale
FVector2D	LightMapComponentBias
FVector2D	LightMapComponentScale
bool	bRequiresCPUAccess
TArray< FBox >	ExcludedBoxes
FStaticMeshInstanceData	InstanceBuffer
TArray< FClusterNode >	ClusterTree
int32	OutOcclusionLayerNum
Public Attributes inherited from FGrassBuilderBase
bool	bHaveValidData
float	GrassDensity
FVector	DrawScale
FVector	DrawLoc
FMatrix	LandscapeToWorld
FIntPoint	SectionBase
FIntPoint	LandscapeSectionOffset
int32	ComponentSizeQuads
FVector	Origin
FVector	Extent
FVector	ComponentOrigin
int32	SqrtMaxInstances

Constructor & Destructor Documentation

FAsyncGrassBuilder()

FAsyncGrassBuilder::FAsyncGrassBuilder ( ALandscapeProxy *  Landscape, ULandscapeComponent *  Component, const ULandscapeGrassType *  GrassType, const FGrassVariety &  GrassVariety, ERHIFeatureLevel::Type  FeatureLevel, UGrassInstancedStaticMeshComponent *  GrassInstancedStaticMeshComponent, int32  SqrtSubsections, int32  SubX, int32  SubY, uint32  InHaltonBaseIndex, TArray< FBox > &  InExcludedBoxes  )

inline

Member Function Documentation

Build()

void FAsyncGrassBuilder::Build ( )

inline

GetDefaultScale()

FVector FAsyncGrassBuilder::GetDefaultScale ( ) const

inline

GetRandomScale()

FVector FAsyncGrassBuilder::GetRandomScale ( float  InWeight ) const

inline

InitLandscapeLightmap()

void FAsyncGrassBuilder::InitLandscapeLightmap ( ULandscapeComponent *  Component )

inline

IsExcluded()

bool FAsyncGrassBuilder::IsExcluded ( const FVector &  LocationWithHeight )

inline

SampleLandscapeAtLocationLocal()

FORCEINLINE_DEBUGGABLE void FAsyncGrassBuilder::SampleLandscapeAtLocationLocal ( const FVector &  InLocation, FVector &  OutLocation, float &  OutLayerWeight, FVector *  OutNormal = nullptr  )

inline

SetInstance()

void FAsyncGrassBuilder::SetInstance ( int32  InstanceIndex, const FMatrix &  InXForm, float  RandomFraction  )

inline

Member Data Documentation

AllowedDensityRange

FFloatInterval FAsyncGrassBuilder::AllowedDensityRange

bAlignToSurface

bool FAsyncGrassBuilder::bAlignToSurface

bAlignToTriangleNormals

bool FAsyncGrassBuilder::bAlignToTriangleNormals

bRandomRotation

bool FAsyncGrassBuilder::bRandomRotation

bRandomScale

bool FAsyncGrassBuilder::bRandomScale

bRequiresCPUAccess

bool FAsyncGrassBuilder::bRequiresCPUAccess

BuildTime

double FAsyncGrassBuilder::BuildTime

bUseLandscapeLightmap

bool FAsyncGrassBuilder::bUseLandscapeLightmap

bWeightAttenuatesMaxScale

bool FAsyncGrassBuilder::bWeightAttenuatesMaxScale

ClusterTree

TArray<FClusterNode> FAsyncGrassBuilder::ClusterTree

DesiredInstancesPerLeaf

int32 FAsyncGrassBuilder::DesiredInstancesPerLeaf

ExcludedBoxes

TArray<FBox> FAsyncGrassBuilder::ExcludedBoxes

GrassData

FLandscapeComponentGrassAccess FAsyncGrassBuilder::GrassData

HaltonBaseIndex

uint32 FAsyncGrassBuilder::HaltonBaseIndex

InstanceBuffer

FStaticMeshInstanceData FAsyncGrassBuilder::InstanceBuffer

LightmapBaseBias

FVector2D FAsyncGrassBuilder::LightmapBaseBias

LightmapBaseScale

FVector2D FAsyncGrassBuilder::LightmapBaseScale

LightMapComponentBias

FVector2D FAsyncGrassBuilder::LightMapComponentBias

LightMapComponentScale

FVector2D FAsyncGrassBuilder::LightMapComponentScale

MaxScaleWeightAttenuation

float FAsyncGrassBuilder::MaxScaleWeightAttenuation

MeshBox

FBox FAsyncGrassBuilder::MeshBox

OutOcclusionLayerNum

int32 FAsyncGrassBuilder::OutOcclusionLayerNum

PlacementJitter

float FAsyncGrassBuilder::PlacementJitter

RandomStream

FRandomStream FAsyncGrassBuilder::RandomStream

ScaleX

FFloatInterval FAsyncGrassBuilder::ScaleX

ScaleY

FFloatInterval FAsyncGrassBuilder::ScaleY

ScaleZ

FFloatInterval FAsyncGrassBuilder::ScaleZ

Scaling

EGrassScaling FAsyncGrassBuilder::Scaling

ShadowmapBaseBias

FVector2D FAsyncGrassBuilder::ShadowmapBaseBias

ShadowmapBaseScale

FVector2D FAsyncGrassBuilder::ShadowmapBaseScale

TotalInstances

int32 FAsyncGrassBuilder::TotalInstances

XForm

FMatrix FAsyncGrassBuilder::XForm

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

• Engine/Source/Runtime/Landscape/Private/LandscapeGrass.cpp