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> Unreal Engine API Reference > Runtime > StaticMeshDescription > FStaticMeshOperations

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FStaticMeshOperations

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References

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

Syntax

class FStaticMeshOperations

Functions

	Name	Description
bool	AddUVChannel ( FMeshDescription& MeshDescription )	Add a UV channel to the MeshDescription.
void	AppendMeshDescription ( const FMeshDescription& SourceMesh, FMeshDescription& TargetMesh, FAppendSettings& AppendSettings )
void	ApplyTransform ( FMeshDescription& MeshDescription, const FTransform& Transform )	Transforms the MeshDescription data using the provided transform.
void	AreNormalsAndTangentsValid ( const FMeshDescription& MeshDescri..., bool& bHasInvalidNormals, bool& bHasInvalidTangents )
void	BuildWeldedVertexIDRemap ( const FMeshDescription& MeshDescri..., const float WeldingThreshold, TMap< FVertexID, FVertexID >& OutV... )
void	ComputeMikktTangents ( FMeshDescription& MeshDescription, bool bIgnoreDegenerateTriangles )	Compute tangent and Bi-Normal using mikkt space for every vertex in the mesh description.
void	ComputePolygonTangentsAndNormals ( FMeshDescription& MeshDescription, float ComparisonThreshold )	Set the polygon tangent, normal, binormal and polygonCenter for all polygons in the mesh description.
FSHAHash	ComputeSHAHash ( const FMeshDescription& MeshDescri..., bool bSkipTransientAttributes )	Computes the SHA hash of all the attributes values in the MeshDescription.
void	ComputeTangentsAndNormals ( FMeshDescription& MeshDescription, EComputeNTBsFlags ComputeNTBsOption... )	Recompute any invalid normal, tangent or Bi-Normal for every vertex in the mesh description with the given options.
void	ConvertFromRawMesh ( const FRawMesh& SourceRawMesh, FMeshDescription& DestinationMeshD..., const TMap< int32, FName >& Materi..., bool bSkipNormalsAndTangents )	Convert old FRawMesh format to MeshDescription.
void	ConvertHardEdgesToSmoothGroup ( const FMeshDescription& SourceMesh..., TArray< uint32 >& FaceSmoothingMas... )
void	ConvertSmoothGroupToHardEdges ( const TArray< uint32 >& FaceSmooth..., FMeshDescription& DestinationMeshD... )
void	ConvertToRawMesh ( const FMeshDescription& SourceMesh..., FRawMesh& DestinationRawMesh, const TMap< FName, int32 >& Materi... )	Convert this mesh description into the old FRawMesh format.
bool	CreateLightMapUVLayout ( FMeshDescription& MeshDescription, int32 SrcLightmapIndex, int32 DstLightmapIndex, int32 MinLightmapResolution, ELightmapUVVersion LightmapUVVersio..., const FOverlappingCorners& Overlap... )	Find and pack UV charts for lightmap.
void	DetermineEdgeHardnessesFromVertexInstanceNormals ( FMeshDescription& MeshDescription, float Tolerance )	Determine the edge hardnesses from existing normals
void	FindOverlappingCorners ( FOverlappingCorners& OverlappingCo..., const FMeshDescription& MeshDescri..., float ComparisonThreshold )	Find all overlapping vertex using the threshold in the mesh description.
void	FlipPolygons ( FMeshDescription& MeshDescription )	Flip the facing for a set of input polygons.
void	GenerateBoxUV ( const FMeshDescription& MeshDescri..., const FUVMapParameters& Params, TMap< FVertexInstanceID, FVector2D ... )	Generate box UV mapping for the MeshDescription
void	GenerateCylindricalUV ( FMeshDescription& MeshDescription, const FUVMapParameters& Params, TMap< FVertexInstanceID, FVector2D ... )	Generate cylindrical UV mapping for the MeshDescription
void	GeneratePlanarUV ( const FMeshDescription& MeshDescri..., const FUVMapParameters& Params, TMap< FVertexInstanceID, FVector2D ... )	Generate planar UV mapping for the MeshDescription
bool	GenerateUniqueUVsForStaticMesh ( const FMeshDescription& MeshDescri..., int32 TextureResolution, bool bMergeIdenticalMaterials, TArray< FVector2D >& OutTexCoords )	Create some UVs from the specified mesh description data.
int32	GetUVChartCount ( FMeshDescription& MeshDescription, int32 SrcLightmapIndex, ELightmapUVVersion LightmapUVVersio..., const FOverlappingCorners& Overlap... )	Find all charts in the mesh description.
bool	HasVertexColor ( const FMeshDescription& MeshDescri... )
bool	InsertUVChannel ( FMeshDescription& MeshDescription, int32 UVChannelIndex )	Insert a UV channel at the given index to the MeshDescription.
void	RecomputeNormalsAndTangentsIfNeeded ( FMeshDescription& MeshDescription, EComputeNTBsFlags ComputeNTBsOption... )	Make sure all normals and tangents are valid. If not, recompute them.
bool	RemoveUVChannel ( FMeshDescription& MeshDescription, int32 UVChannelIndex )	Remove the UV channel at the given index from the MeshDescription.
void	SwapPolygonPolygonGroup ( FMeshDescription& MeshDescription, int32 SectionIndex, int32 TriangleIndexStart, int32 TriangleIndexEnd, bool bRemoveEmptyPolygonGroup )	Move some polygon to a new PolygonGroup(section) SectionIndex: The target section we want to assign the polygon.

Classes

	Name	Description
	FAppendSettings

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