FStaticLightingMesh | Unreal Engine 4.27 Documentation

Inheritance Hierarchy


Module	Engine
Header	/Engine/Source/Runtime/Engine/Public/StaticLighting.h
Include	#include "StaticLighting.h"

class FStaticLightingMesh : public virtual FRefCountedObject

A mesh which is used for computing static lighting.

Type	Name	Description
const uint32: 1	bCastShadow	Whether the mesh casts a shadow.
FBox	BoundingBox	The bounding box of the mesh.
const uint32: 1	bTwoSidedMaterial	Whether the mesh uses a two-sided material.
const UPrimitiveComponent *const	Component	The primitive component this mesh was created by.
FGuid	Guid	Unique ID for tracking this lighting mesh during distributed lighting
uint32	HLODChildEndIndex
uint32	HLODChildStartIndex
uint32	HLODTreeIndex
const int32	NumShadingTriangles	The number of shading triangles in the mesh.
const int32	NumShadingVertices	The number of shading vertices in the mesh.
const int32	NumTriangles	The number of triangles in the mesh that will be used for visibility tests.
const int32	NumVertices	The number of vertices in the mesh that will be used for visibility tests.
TArray< TRefCountPtr< FStaticLightingMesh > >	OtherMeshLODs	Other FStaticLightingMesh's that should be considered the same mesh object (just different LOD), and should not shadow this LOD.
const TArray< ULightComponent * >	RelevantLights	The lights which affect the mesh's primitive.
FGuid	SourceMeshGuid	Cached guid for the source mesh
const int32	TextureCoordinateIndex	The texture coordinate index which is used to parametrize materials.
TArray< int32 >	VisibilityIds	Used for precomputed visibility

	Type	Name	Description
		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& InGuid )	Initialization constructor.

	Type	Name	Description
		~FStaticLightingMesh ()	Virtual destructor.

Type	Name	Description
void	ExportMeshInstance ( FLightmassExporter* Exporter )	Export static lighting mesh instance data to an exporter
const FGuid &	GetLightingGuid ()	Returns the Guid used for static lighting.
void	GetShadingTriangle ( int32 TriangleIndex, FStaticLightingVertex& OutV0, FStaticLightingVertex& OutV1, FStaticLightingVertex& OutV2 )	Accesses a triangle for shading.
void	GetShadingTriangleIndices ( int32 TriangleIndex, int32& OutI0, int32& OutI1, int32& OutI2 )	Accesses a triangle's vertex indices for shading.
void	GetTriangle ( int32 TriangleIndex, FStaticLightingVertex& OutV0, FStaticLightingVertex& OutV1, FStaticLightingVertex& OutV2 )	Accesses a triangle.
void	GetTriangleIndices ( int32 TriangleIndex, int32& OutI0, int32& OutI1, int32& OutI2 )	Accesses a triangle's vertex indices.
FLightRayIntersection	IntersectLightRay ( const FVector& Start, const FVector& End, bool bFindNearestIntersection )	Checks if a line segment intersects the mesh.
bool	IsControllingShadowPerElement ()
bool	IsTriangleCastingShadow ( uint32 TriangleIndex )
bool	IsUniformShadowCaster ()	Checks whether ShouldCastShadow will return true always.
bool	ShouldCastShadow ( ULightComponent* Light, const FStaticLightingMapping* Receiver )	Determines whether the mesh should cast a shadow from a specific light on a specific mapping.