FLandscapeStaticLightingMesh Class Reference

#include <LandscapeLight.h>

Inheritance diagram for FLandscapeStaticLightingMesh:

Public Member Functions
	FLandscapeStaticLightingMesh (ULandscapeComponent *InComponent, const TArray< ULightComponent * > &InRelevantLights, int32 InExpandQuadsX, int32 InExpandQuadsY, float LightMapRatio, int32 InLOD)
virtual	~FLandscapeStaticLightingMesh ()
virtual void	GetTriangle (int32 TriangleIndex, FStaticLightingVertex &OutV0, FStaticLightingVertex &OutV1, FStaticLightingVertex &OutV2) const
virtual void	GetTriangleIndices (int32 TriangleIndex, int32 &OutI0, int32 &OutI1, int32 &OutI2) const
virtual FLightRayIntersection	IntersectLightRay (const FVector &Start, const FVector &End, bool bFindNearestIntersection) const
virtual bool	IsInstancedMesh () const override
Public Member Functions inherited from FStaticLightingMesh
ENGINE_API	FStaticLightingMesh (int32 InNumTriangles, int32 InNumShadingTriangles, int32 InNumVertices, int32 InNumShadingVertices, int32 InTextureCoordinateIndex, bool bInCastShadow, bool bInTwoSidedMaterial, const TArray< ULightComponent * > &InRelevantLights, const UPrimitiveComponent *const InComponent, const FBox &InBoundingBox, const FGuid &InSourceMeshGuid, const FGuid &InComponentGuid)
ENGINE_API	FStaticLightingMesh ()
virtual ENGINE_API void	Serialize (FArchive &Ar)
virtual	~FStaticLightingMesh ()
virtual void	GetShadingTriangle (int32 TriangleIndex, FStaticLightingVertex &OutV0, FStaticLightingVertex &OutV1, FStaticLightingVertex &OutV2) const
virtual void	GetShadingTriangleIndices (int32 TriangleIndex, int32 &OutI0, int32 &OutI1, int32 &OutI2) const
virtual bool	ShouldCastShadow (ULightComponent *Light, const FStaticLightingMapping *Receiver) const
virtual bool	IsTriangleCastingShadow (uint32 TriangleIndex) const
virtual bool	IsControllingShadowPerElement () const
virtual bool	IsUniformShadowCaster () const
virtual const FGuid &	GetLightingGuid () const
Public Member Functions inherited from FRefCountedObject
	FRefCountedObject ()
virtual	~FRefCountedObject ()
	FRefCountedObject (const FRefCountedObject &Rhs)=delete
FRefCountedObject &	operator= (const FRefCountedObject &Rhs)=delete
FReturnedRefCountValue	AddRef () const
uint32	Release () const
uint32	GetRefCount () const

Protected Member Functions
void	GetHeightmapData (int32 InLOD, int32 GeometryLOD)
void	GetStaticLightingVertex (int32 VertexIndex, FStaticLightingVertex &OutVertex) const

Protected Attributes
ULandscapeComponent *	LandscapeComponent
FTransform	LocalToWorld
int32	ComponentSizeQuads
float	LightMapRatio
int32	ExpandQuadsX
int32	ExpandQuadsY
TArray< FColor >	HeightData
int32	NumVertices
int32	NumQuads
float	UVFactor
bool	bReverseWinding

Friends
class	FLightmassExporter

Additional Inherited Members
Public Attributes inherited from FStaticLightingMesh
const int32	NumTriangles
const int32	NumShadingTriangles
const int32	NumVertices
const int32	NumShadingVertices
const int32	TextureCoordinateIndex
TArray< int32 >	VisibilityIds
const uint32	bCastShadow: 1
const uint32	bTwoSidedMaterial: 1
const TArray< ULightComponent * >	RelevantLights
TArray< FGuid >	RelevantLightsGuid
const UPrimitiveComponent *const	Component
FGuid	ComponentGuid
FBox	BoundingBox
FGuid	Guid
FGuid	SourceMeshGuid
TArray< TRefCountPtr< FStaticLightingMesh > >	OtherMeshLODs
uint32	HLODTreeIndex
uint32	HLODChildStartIndex
uint32	HLODChildEndIndex

Detailed Description

Represents the triangles of a Landscape component to the static lighting system.

Constructor & Destructor Documentation

FLandscapeStaticLightingMesh()

FLandscapeStaticLightingMesh::FLandscapeStaticLightingMesh	(	ULandscapeComponent *	InComponent,
		const TArray< ULightComponent * > &	InRelevantLights,
		int32	InExpandQuadsX,
		int32	InExpandQuadsY,
		float	LightMapRatio,
		int32	InLOD
	)

~FLandscapeStaticLightingMesh()

virtual FLandscapeStaticLightingMesh::~FLandscapeStaticLightingMesh ( )

virtual

Member Function Documentation

GetHeightmapData()

void FLandscapeStaticLightingMesh::GetHeightmapData ( int32  InLOD, int32  GeometryLOD  )

protected

GetStaticLightingVertex()

void FLandscapeStaticLightingMesh::GetStaticLightingVertex ( int32  VertexIndex, FStaticLightingVertex &  OutVertex  ) const

protected

Fills in the static lighting vertex data for the Landscape vertex.

GetTriangle()

virtual void FLandscapeStaticLightingMesh::GetTriangle ( int32  TriangleIndex, FStaticLightingVertex &  OutV0, FStaticLightingVertex &  OutV1, FStaticLightingVertex &  OutV2  ) const

virtual

Accesses a triangle.

Parameters

TriangleIndex	- The triangle to access.
OutV0	- Upon return, should contain the first vertex of the triangle.
OutV1	- Upon return, should contain the second vertex of the triangle.
OutV2	- Upon return, should contain the third vertex of the triangle.

Implements FStaticLightingMesh.

GetTriangleIndices()

virtual void FLandscapeStaticLightingMesh::GetTriangleIndices ( int32  TriangleIndex, int32 &  OutI0, int32 &  OutI1, int32 &  OutI2  ) const

virtual

Accesses a triangle's vertex indices.

Parameters

TriangleIndex	- The triangle to access.
OutI0	- Upon return, should contain the first vertex index of the triangle.
OutI1	- Upon return, should contain the second vertex index of the triangle.
OutI2	- Upon return, should contain the third vertex index of the triangle.

Implements FStaticLightingMesh.

IntersectLightRay()

virtual FLightRayIntersection FLandscapeStaticLightingMesh::IntersectLightRay ( const FVector &  Start, const FVector &  End, bool  bFindNearestIntersection  ) const

virtual

Checks if a line segment intersects the mesh.

Parameters

Start	- The start point of the line segment.
End	- The end point of the line segment.
bFindNearestIntersection	- Whether the nearest intersection is needed, or any intersection.

Returns

The intersection of the light-ray with the mesh.

Implements FStaticLightingMesh.

IsInstancedMesh()

virtual bool FLandscapeStaticLightingMesh::IsInstancedMesh ( ) const

inlineoverridevirtual

Returns true if this mesh is an instanced mesh.

Implements FStaticLightingMesh.

Friends And Related Symbol Documentation

FLightmassExporter

friend class FLightmassExporter

friend

Member Data Documentation

bReverseWinding

bool FLandscapeStaticLightingMesh::bReverseWinding

protected

ComponentSizeQuads

int32 FLandscapeStaticLightingMesh::ComponentSizeQuads

protected

ExpandQuadsX

int32 FLandscapeStaticLightingMesh::ExpandQuadsX

protected

ExpandQuadsY

int32 FLandscapeStaticLightingMesh::ExpandQuadsY

protected

HeightData

TArray<FColor> FLandscapeStaticLightingMesh::HeightData

protected

LandscapeComponent

ULandscapeComponent* FLandscapeStaticLightingMesh::LandscapeComponent

protected

LightMapRatio

float FLandscapeStaticLightingMesh::LightMapRatio

protected

LocalToWorld

FTransform FLandscapeStaticLightingMesh::LocalToWorld

protected

NumQuads

int32 FLandscapeStaticLightingMesh::NumQuads

protected

NumVertices

int32 FLandscapeStaticLightingMesh::NumVertices

protected

UVFactor

float FLandscapeStaticLightingMesh::UVFactor

protected

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

• Engine/Source/Runtime/Landscape/Public/LandscapeLight.h