#include <DatasmithMesh.h>

Classes
class	FDatasmithMeshImpl

Public Member Functions
UE_API	FDatasmithMesh ()

UE_API	~FDatasmithMesh ()

UE_API	FDatasmithMesh (const FDatasmithMesh &Other)

UE_API	FDatasmithMesh (FDatasmithMesh &&Other)

UE_API FDatasmithMesh &	operator= (const FDatasmithMesh &Other)

UE_API FDatasmithMesh &	operator= (FDatasmithMesh &&Other)

UE_API FMD5Hash	CalculateHash () const

UE_API void	SetName (const TCHAR *InName)

UE_API const TCHAR *	GetName () const

UE_API void	SetFacesCount (int32 NumFaces)

UE_API int32	GetFacesCount () const

UE_API void	SetFace (int32 Index, int32 Vertex1, int32 Vertex2, int32 Vertex3, int32 MaterialId=0)

UE_API void	GetFace (int32 Index, int32 &Vertex1, int32 &Vertex2, int32 &Vertex3, int32 &MaterialId) const

UE_API void	SetFaceSmoothingMask (int32 Index, uint32 SmoothingMask)

UE_API uint32	GetFaceSmoothingMask (int32 Index) const

UE_API int32	GetMaterialsCount () const

UE_API bool	IsMaterialIdUsed (int32 MaterialId) const

UE_API void	SetVerticesCount (int32 NumVerts)

UE_API int32	GetVerticesCount () const

UE_API void	SetVertex (int32 Index, float X, float Y, float Z)

UE_API FVector3f	GetVertex (int32 Index) const

UE_API void	SetNormal (int32 Index, float X, float Y, float Z)

UE_API FVector3f	GetNormal (int32 Index) const

UE_API void	SetUVChannelsCount (int32 ChannelCount)

UE_API void	AddUVChannel ()

UE_API void	RemoveUVChannel ()

UE_API int32	GetUVChannelsCount () const

UE_API void	SetUVCount (int32 Channel, int32 NumVerts)

UE_API int32	GetUVCount (int32 Channel) const

UE_API void	SetUV (int32 Channel, int32 Index, double U, double V)

UE_API uint32	GetHashForUVChannel (int32 Channel) const

UE_API FVector2D	GetUV (int32 Channel, int32 Index) const

UE_API void	SetFaceUV (int32 Index, int32 Channel, int32 Vertex1, int32 Vertex2, int32 Vertex3)

UE_API void	GetFaceUV (int32 Index, int32 Channel, int32 &Vertex1, int32 &Vertex2, int32 &Vertex3) const

UE_API int32	GetVertexColorCount () const

UE_API void	SetVertexColor (int32 Index, const FColor &Color)

UE_API FColor	GetVertexColor (int32 Index) const

UE_API void	SetLightmapSourceUVChannel (int32 Channel)

UE_API int32	GetLightmapSourceUVChannel () const

UE_API void	AddLOD (const FDatasmithMesh &InLODMesh)

UE_API void	AddLOD (FDatasmithMesh &&InLODMesh)

UE_API int32	GetLODsCount () const

UE_API FDatasmithMesh *	GetLOD (int32 Index)

UE_API const FDatasmithMesh *	GetLOD (int32 Index) const

UE_API float	ComputeArea () const

UE_API FBox3f	GetExtents () const

Constructor & Destructor Documentation

◆ FDatasmithMesh() [1/3]

FDatasmithMesh::FDatasmithMesh ( )

◆ ~FDatasmithMesh()

FDatasmithMesh::~FDatasmithMesh ( )

◆ FDatasmithMesh() [2/3]

FDatasmithMesh::FDatasmithMesh ( const FDatasmithMesh & Other )

◆ FDatasmithMesh() [3/3]

FDatasmithMesh::FDatasmithMesh ( FDatasmithMesh && Other )

Member Function Documentation

◆ AddLOD() [1/2]

void FDatasmithMesh::AddLOD ( const FDatasmithMesh & InLODMesh )

Adds a LOD mesh to this base LOD mesh

◆ AddLOD() [2/2]

void FDatasmithMesh::AddLOD ( FDatasmithMesh && InLODMesh )

◆ AddUVChannel()

void FDatasmithMesh::AddUVChannel ( )

Add a UV channel at the end

◆ CalculateHash()

FMD5Hash FDatasmithMesh::CalculateHash ( ) const

◆ ComputeArea()

float FDatasmithMesh::ComputeArea ( ) const

Returns the total surface area

◆ GetExtents()

FBox3f FDatasmithMesh::GetExtents ( ) const

Returns the bounding box containing all vertices of this mesh

◆ GetFace()

void FDatasmithMesh::GetFace	(	int32	Index,
		int32 &	Vertex1,
		int32 &	Vertex2,
		int32 &	Vertex3,
		int32 &	MaterialId
	)		const

◆ GetFacesCount()

int32 FDatasmithMesh::GetFacesCount ( ) const

Retrieves the amount of faces

◆ GetFaceSmoothingMask()

uint32 FDatasmithMesh::GetFaceSmoothingMask ( int32 Index ) const

Gets the smoothing mask of a face

Parameters

Index Index of the face to retrieve the smoothing mask from

◆ GetFaceUV()

void FDatasmithMesh::GetFaceUV	(	int32	Index,
		int32	Channel,
		int32 &	Vertex1,
		int32 &	Vertex2,
		int32 &	Vertex3
	)		const

Gets the UV coordinates of the vertices of a face

Parameters

Index	Index of the face to retrieve the UVs from
Channel	UV channel, starting at 0
Vertex1	Index of the first uv vertex that defines this face
Vertex2	Index of the second uv vertex that defines this face
Vertex3	Index of the third uv vertex that defines this face

◆ GetHashForUVChannel()

uint32 FDatasmithMesh::GetHashForUVChannel ( int32 Channel ) const

Get the hash for a uv channel

◆ GetLightmapSourceUVChannel()

int32 FDatasmithMesh::GetLightmapSourceUVChannel ( ) const

Gets the UV channel that will be used for lightmap UVs generation at import

◆ GetLOD() [1/2]

FDatasmithMesh * FDatasmithMesh::GetLOD ( int32 Index )

Gets the FDatasmithMesh LOD at the given index, if the index is invalid returns nullptr

◆ GetLOD() [2/2]

const FDatasmithMesh * FDatasmithMesh::GetLOD ( int32 Index ) const

◆ GetLODsCount()

int32 FDatasmithMesh::GetLODsCount ( ) const

◆ GetMaterialsCount()

int32 FDatasmithMesh::GetMaterialsCount ( ) const

◆ GetName()

const TCHAR * FDatasmithMesh::GetName ( ) const

◆ GetNormal()

FVector3f FDatasmithMesh::GetNormal ( int32 Index ) const

◆ GetUV()

FVector2D FDatasmithMesh::GetUV	(	int32	Channel,
		int32	Index
	)		const

Gets the UV coordinates for a channel

Parameters

Channel	The channel we want to retrieve the UVs from
Index	The UV coordinates to retrieve

◆ GetUVChannelsCount()

int32 FDatasmithMesh::GetUVChannelsCount ( ) const

Gets the amount of UV channels on this mesh

◆ GetUVCount()

int32 FDatasmithMesh::GetUVCount ( int32 Channel ) const

Retrieves the amount of UV coordinates on the channel. The validity of the vertex data is not guaranteed

◆ GetVertex()

FVector3f FDatasmithMesh::GetVertex ( int32 Index ) const

◆ GetVertexColor()

FColor FDatasmithMesh::GetVertexColor ( int32 Index ) const

Get the color for a vertex

Parameters

Index Index of the vertex color to retrieve

◆ GetVertexColorCount()

int32 FDatasmithMesh::GetVertexColorCount ( ) const

Get the number of vertex color

◆ GetVerticesCount()

int32 FDatasmithMesh::GetVerticesCount ( ) const

Retrieves the amount of geometric vertices. The validity of the vertex data is not guaranteed

◆ IsMaterialIdUsed()

bool FDatasmithMesh::IsMaterialIdUsed ( int32 MaterialId ) const

◆ operator=() [1/2]

FDatasmithMesh & FDatasmithMesh::operator= ( const FDatasmithMesh & Other )

◆ operator=() [2/2]

FDatasmithMesh & FDatasmithMesh::operator= ( FDatasmithMesh && Other )

◆ RemoveUVChannel()

void FDatasmithMesh::RemoveUVChannel ( )

Remove the last UV channel

◆ SetFace()

void FDatasmithMesh::SetFace	(	int32	Index,
		int32	Vertex1,
		int32	Vertex2,
		int32	Vertex3,
		int32	MaterialId = `0`
	)

Sets the geometry of the face

Parameters

Index	value to choose the face that will be affected
Vertex1	Index of the first geometric vertex that defines this face
Vertex2	Index of the second geometric vertex that defines this face
Vertex3	Index of the third geometric vertex that defines this face

◆ SetFacesCount()

void FDatasmithMesh::SetFacesCount ( int32 NumFaces )

Setting the amount of faces is mandatory before filling the array

◆ SetFaceSmoothingMask()

void FDatasmithMesh::SetFaceSmoothingMask	(	int32	Index,
		uint32	SmoothingMask
	)

Sets the smoothing mask of the face

Parameters

Index	Index of the face that will be affected
SmoothingMask	32 bits mask, 0 means no smoothing

◆ SetFaceUV()

void FDatasmithMesh::SetFaceUV	(	int32	Index,
		int32	Channel,
		int32	Vertex1,
		int32	Vertex2,
		int32	Vertex3
	)

Sets the channel UV coordinates of the face

Parameters

Index	Index of the face that will be affected
Channel	UV channel, starting at 0
Vertex1	Index of the first uv vertex that defines this face
Vertex2	Index of the second uv vertex that defines this face
Vertex3	Index of the third uv vertex that defines this face

◆ SetLightmapSourceUVChannel()

void FDatasmithMesh::SetLightmapSourceUVChannel ( int32 Channel )

Sets the UV channel that will be used as the source UVs for lightmap UVs generation at import, defaults to channel 0. Will be overwritten during Mesh export if we choose to generate the lightmap source UVs.

◆ SetName()

void FDatasmithMesh::SetName ( const TCHAR * InName )

◆ SetNormal()

void FDatasmithMesh::SetNormal	(	int32	Index,
		float	X,
		float	Y,
		float	Z
	)

Sets the 3d normal

Parameters

Index value to choose the normal that will be affected @x direction on the x axis @y direction on the y axis @z direction on the z axis

◆ SetUV()

void FDatasmithMesh::SetUV	(	int32	Channel,
		int32	Index,
		double	U,
		double	V
	)

Sets the 2d position of the UV vertex for the first uv mapping

Parameters

Index	Value to choose the vertex that will be affected
U	Horizontal coordinate
V	Vertical coordinate

◆ SetUVChannelsCount()

void FDatasmithMesh::SetUVChannelsCount ( int32 ChannelCount )

Sets the amount of UV channels on this mesh

Parameters

ChannelCount The number of UV channels

◆ SetUVCount()

void FDatasmithMesh::SetUVCount	(	int32	Channel,
		int32	NumVerts
	)

Setting the amount of UV coordinates on the channel is mandatory before filling the array

Parameters

Channel	The channel to set the numbers of UVs
NumVerts	The number of UVs in the channel

◆ SetVertex()

void FDatasmithMesh::SetVertex	(	int32	Index,
		float	X,
		float	Y,
		float	Z
	)

Sets the 3d position of the vertex

Parameters

Index value to choose the vertex that will be affected @x position on the x axis @y position on the y axis @z position on the z axis

◆ SetVertexColor()

void FDatasmithMesh::SetVertexColor	(	int32	Index,
		const FColor &	Color
	)

Set a vertex color

Parameters

Index	Index of the vertex color that will be affected
Color	The color for the vertex

◆ SetVerticesCount()

void FDatasmithMesh::SetVerticesCount ( int32 NumVerts )

Setting the amount of geometric vertices is mandatory before filling the array

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

Engine/Source/Runtime/Datasmith/DatasmithCore/Public/DatasmithMesh.h
Engine/Source/Runtime/Datasmith/DatasmithCore/Private/DatasmithMesh.cpp

Classes

Public Member Functions

Constructor & Destructor Documentation

◆ FDatasmithMesh() [1/3]

◆ ~FDatasmithMesh()

◆ FDatasmithMesh() [2/3]

◆ FDatasmithMesh() [3/3]

Member Function Documentation

◆ AddLOD() [1/2]

◆ AddLOD() [2/2]

◆ AddUVChannel()

◆ CalculateHash()

◆ ComputeArea()

◆ GetExtents()

◆ GetFace()

◆ GetFacesCount()

◆ GetFaceSmoothingMask()

◆ GetFaceUV()

◆ GetHashForUVChannel()

◆ GetLightmapSourceUVChannel()

◆ GetLOD() [1/2]

◆ GetLOD() [2/2]

◆ GetLODsCount()

◆ GetMaterialsCount()

◆ GetName()

◆ GetNormal()

◆ GetUV()

◆ GetUVChannelsCount()

◆ GetUVCount()

◆ GetVertex()

◆ GetVertexColor()

◆ GetVertexColorCount()

◆ GetVerticesCount()

◆ IsMaterialIdUsed()

◆ operator=() [1/2]

◆ operator=() [2/2]

◆ RemoveUVChannel()

◆ SetFace()

◆ SetFacesCount()

◆ SetFaceSmoothingMask()

◆ SetFaceUV()

◆ SetLightmapSourceUVChannel()

◆ SetName()

◆ SetNormal()

◆ SetUV()

◆ SetUVChannelsCount()

◆ SetUVCount()

◆ SetVertex()

◆ SetVertexColor()

◆ SetVerticesCount()