FMeshData

API > API/Plugins > API/Plugins/MeshPartition

   
Name FMeshData
Type class
Header File /Engine/Plugins/Experimental/MeshPartition/Source/MeshPartition/Public/MeshPartitionMeshData.h
Include Path #include "MeshPartitionMeshData.h"

Syntax

class FMeshData

Structs

Name Remarks
FIndexRange  
IndexIterator  

Constants

Name Type Remarks Include Path
CHANNEL_UV_INDEX int32   MeshPartitionMeshData.h
INVALID_REF_COUNT int16   MeshPartitionMeshData.h
MAX_SOURCE_UV_CHANNELS int32   MeshPartitionMeshData.h
NUM_CHANNEL_UVS int32   MeshPartitionMeshData.h
SOURCE_UV_OFFSET int32   MeshPartitionMeshData.h

Variables

Protected

Name Type Remarks Include Path Unreal Specifiers
BaseIDLayer TArray< int > Per triangle MeshPartitionMeshData.h  
ChannelUVs TArray< FVector2f > Auto-generated channel rendering UVs (separate, not passed to modifiers) MeshPartitionMeshData.h  
FreeTriangles TArray< int >   MeshPartitionMeshData.h  
FreeVertices TArray< int >   MeshPartitionMeshData.h  
Normals TArray< FVector3f >   MeshPartitionMeshData.h  
SourceUVChannels TArray< TArray< FVector2f > > Source UVs from imported mesh (passed through modifier pipeline) MeshPartitionMeshData.h  
TriangleRefCount TArray< int16 > Refcount which acts as a boolean if this triangle is valid or not. INVALID_REF_COUNT if unused, 1 otherwise. MeshPartitionMeshData.h  
Triangles TArray< Geometry::FIndex3i >   MeshPartitionMeshData.h  
UVRegion FBox2f   MeshPartitionMeshData.h  
VertexRefCount TArray< int16 > Ref count keeping track of number of triangles which reference each vertex this is used to determine if a vertex should be removed if the last owning triangle is removed. MeshPartitionMeshData.h  
Vertices TArray< FVector3d >   MeshPartitionMeshData.h  
WeightLayers TMap< FName, TArray< float > >   MeshPartitionMeshData.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

void AppendDynamicMesh ( const Geometry::FDynamicMesh3& InOtherMesh,
const FTransform& InRelativeTransform,
int InNewBaseID,
TSet< int >* OutMergeBoundaryVertices
)

 Merges a dynamic mesh into this Mega Mesh, transfering all uvs, normals, and weight channels. MeshPartitionMeshData.h  

int AppendTriangle ( const Geometry::FIndex3i& InTriangle
)

   MeshPartitionMeshData.h  

int AppendVertex ( const FVector3d& InPosition
)

   MeshPartitionMeshData.h  

bool CheckValidity()

   MeshPartitionMeshData.h  

void Clear()

   MeshPartitionMeshData.h  

void ConvertToDynamicMesh ( Geometry::FDynamicMesh3& OutDynamicMesh
) const

   MeshPartitionMeshData.h  

void ConvertToMeshDescription ( FMeshDescription& OutMeshDescription
) const

   MeshPartitionMeshData.h  

bool ConvertToTriMeshCollisionData ( FTriMeshCollisionData* CollisionData
) const

   MeshPartitionMeshData.h  

void Copy ( const FMeshData& InOther
)

   MeshPartitionMeshData.h  

int GetBaseID ( int InTriangleID
) const

   MeshPartitionMeshData.h  

Geometry::FAxisAlignedBox3d GetBounds ( bool bParallel
) const

   MeshPartitionMeshData.h  

SIZE_T GetByteCount()

   MeshPartitionMeshData.h  

int32 GetChangeStamp()

   MeshPartitionMeshData.h  

FVector2f GetChannelUV ( int InVertexID
) const

   MeshPartitionMeshData.h  

int32 GetNumSourceUVChannels()

   MeshPartitionMeshData.h  

int32 GetNumUVChannels()

   MeshPartitionMeshData.h  

Geometry::FIndex3i & GetTriangle ( int InTriangleID
)

   MeshPartitionMeshData.h  

Geometry::FIndex3i GetTriangle ( int InTriangleID
) const

   MeshPartitionMeshData.h  

FVector3d GetTriNormal ( int InTriangleID
) const

   MeshPartitionMeshData.h  

void GetTriVertices ( int InTriangleID,
FVector& InA,
FVector& InB,
FVector& InC
) const

   MeshPartitionMeshData.h  

FBox2f GetUVRegion()

   MeshPartitionMeshData.h  

FVector3d & GetVertex ( int InVertexID
)

   MeshPartitionMeshData.h  

FVector3d GetVertex ( int InVertexID
) const

   MeshPartitionMeshData.h  

FVector3f GetVertexNormal ( int InVertexID
) const

   MeshPartitionMeshData.h  

FVector2f GetVertexUV ( int InVertexID,
int32 InUVChannelIndex
) const

   MeshPartitionMeshData.h  

TArray< FName > GetWeightLayerNames()

   MeshPartitionMeshData.h  

float GetWeightLayerValue ( const FName& InWeightLayerName,
int InVertexID
) const

   MeshPartitionMeshData.h  

const TArray< float > & GetWeightLayerValues ( const FName& InWeightLayerName
) const

   MeshPartitionMeshData.h  

TArray< float > GetWeightLayerValues ( const FName& InWeightLayerName,
TConstArrayView< int > InVertexIDs
) const

   MeshPartitionMeshData.h  

void GrowSourceUVChannelsTo ( int32 InNumChannels
)

   MeshPartitionMeshData.h  

bool HasTriangle ( int InVertexID
) const

   MeshPartitionMeshData.h  

bool HasWeightLayer ( const FName& InWeightLayerName
) const

   MeshPartitionMeshData.h  

void InitializeWeightLayer ( const FName& InWeightLayerName
)

   MeshPartitionMeshData.h  

bool IsTriangle ( int TriangleID
) const

   MeshPartitionMeshData.h  

bool IsVertex ( int InVertexID
) const

   MeshPartitionMeshData.h  

int MaxTriangleID()

   MeshPartitionMeshData.h  

int32 MaxVertexID()

   MeshPartitionMeshData.h  

void MergeVertexPairs ( TConstArrayView< TPair< int, int > > InMergePairs,
TOptional< TConstArrayView< int > > InTriangleFilter
)

 Merge pairs of vertices, mapping all indices in triangles from the discarded vertex to the kept vertex. MeshPartitionMeshData.h  

void RecomputeNormals ( const bool bRequireDeterministicNormals
)

   MeshPartitionMeshData.h  

void RecomputeTangents()

   MeshPartitionMeshData.h  

void RemoveTriangle ( int TriangleID,
bool bRemoveUnusedVertices
)

   MeshPartitionMeshData.h  

void RemoveVertex ( int InVertexID
)

   MeshPartitionMeshData.h  

void ReserveAdditionalTriangles ( SIZE_T InAdditionalNum
)

 Reserves space in the internal data structures for InAdditionalNum additional triangles. MeshPartitionMeshData.h  

void ReserveAdditionalVertices ( SIZE_T InAdditionalNum
)

 Reserves space in the internal data structures for InAdditionalNum additional vertices. MeshPartitionMeshData.h  

void Reset()

   MeshPartitionMeshData.h  

void Serialize ( FArchive& Ar
)

   MeshPartitionMeshData.h  

void SetBaseID ( int InTriangleID,
int InBaseID
)

   MeshPartitionMeshData.h  

void SetChannelUV ( int InVertexID,
const FVector2f& InUV
)

   MeshPartitionMeshData.h  

void SetNumSourceUVChannels ( int32 InNumChannels
)

   MeshPartitionMeshData.h  

void SetVertex ( int InVertexID,
const FVector3d& InNewVertexPos
)

   MeshPartitionMeshData.h  

void SetVertexNormal ( int InVertexID,
const FVector3f& InNormal
)

   MeshPartitionMeshData.h  

void SetVertexUV ( int InVertexID,
const FVector2f& InUV,
int32 InUVChannelIndex
)

   MeshPartitionMeshData.h  

void SetWeightLayerValue ( const FName& InWeightLayerName,
int InVertexID,
float Value
)

   MeshPartitionMeshData.h  

void SetWeightLayerValues ( const FName& InWeightLayerName,
TConstArrayView< int > InVertexIDs,
TConstArrayView< float > InWeightLayerValues
)

   MeshPartitionMeshData.h  

void SummarizeUVRegion()

   MeshPartitionMeshData.h  

int TriangleCount()

   MeshPartitionMeshData.h  

FIndexRange TriangleIndicesItr()

   MeshPartitionMeshData.h  

int VertexCount()

   MeshPartitionMeshData.h  

FIndexRange VertexIndicesItr()

   MeshPartitionMeshData.h  

void WeldCoincidentVertices ( TConstArrayView< TPair< int, int > > InVertexSourcePairs
)

 Weld coincident vertices from within a subset of mesh vertices. MeshPartitionMeshData.h  

Static

Name Remarks Include Path Unreal Specifiers

static FGuid GetVersionKey ()

 Returns a static version key for this mesh format. MeshPartitionMeshData.h  

static void ReserveGeometric ( TArray< T >& InArray,
typename TArray< T >::SizeType InNewSize
)

 Reserves additional elements in an array while respecting geometric growth factors. MeshPartitionMeshData.h  

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