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  3. IMeshPaintGeometryAdapter

IMeshPaintGeometryAdapter

Interface for a class to provide mesh painting support for a subclass of [UMeshComponent](API\Runtime\Engine\Components\UMeshComponent)

API > API/Editor > API/Editor/MeshPaint

Inheritance Hierarchy

References

   
Module MeshPaint
Header /Engine/Source/Editor/MeshPaint/Public/IMeshPaintGeometryAdapter.h
Include #include "IMeshPaintGeometryAdapter.h"

Syntax

class IMeshPaintGeometryAdapter

Remarks

Interface for a class to provide mesh painting support for a subclass of UMeshComponent

Destructors

  Type Name Description
Public function Virtual   D-tor

Functions

  Type Name Description
Public function void Reference collecting to prevent GC-ing
Public function Const void

ApplyOrRemoveTextureOverride ( UTexture* SourceTexture,
UTexture* OverrideTexture
)

 Applies or removes an override texture to use while rendering the meshes materials
Public function bool

Construct ( UMeshComponent* InComponent,
int32 MeshLODIndex
)

 Constructs the adapter for a specific LOD index using the mesh component
Public function Static void

DefaultApplyOrRemoveTextureOverride ( UMeshComponent* InMeshComponent,
UTexture* SourceTexture,
UTexture* OverrideTexture
)

 Default functionality for applying or remove a texture override
Public function Static void

DefaultQueryPaintableTextures ( int32 MaterialIndex,
const UMeshComponent* MeshComponent,
int32& OutDefaultIndex,
TArray< struct FPaintableTexture >& InOutTextureList
)

 Default functionality for querying textures from a mesh component which are suitable for texture painting
Public function Const FMatrix Returns the Component to World matrix from the Mesh Component
Public function Const void

GetInfluencedVertexData ( const float ComponentSpaceSquaredBrushRadius,
const FVector& ComponentSpaceBrushPosition,
const FVector& ComponentSpaceCameraPosition,
const bool bOnlyFrontFacing,
TArray< TPair< int32, FVector >>& OutData
)

 Retrieves the influenced vertex indices and positions that intersect the given sphere
Public function Const void

GetInfluencedVertexIndices ( const float ComponentSpaceSquaredBrushRadius,
const FVector& ComponentSpaceBrushPosition,
const FVector& ComponentSpaceCameraPosition,
const bool bOnlyFrontFacing,
TSet< int32 >& InfluencedVertices
)

 Retrieves the influenced vertex indices which intersect the given sphere
Public function Const const TArray< uint32 > & Returns the indices for the current LOD index in the Mesh
Public function Const const TArray< FVector > & Returns the vertices for the current LOD index in the Mesh
Public function Const void

GetTextureCoordinate ( int32 VertexIndex,
int32 ChannelIndex,
FVector2D& OutTextureCoordinate
)

 Returns the Texture Coordinate at Vertex Index from the Mesh
Public function Const void

GetVertexColor ( int32 VertexIndex,
FColor& OutColor,
bool bInstance
)

 Returns the Vertex Color at Vertex Index from the Mesh
Public function Const void

GetVertexPosition ( int32 VertexIndex,
FVector& OutVertex
)

 Returns the Vertex Position at Vertex Index from the Mesh
Public function bool Returns whether or not initialization of necessary data was successful
Public function Const bool

IsValid ()

 Returns whether or not this adapter is in a valid state
Public function Const bool

LineTraceComponent ( FHitResult& OutHit,
const FVector Start,
const FVector End,
const FCollisionQueryParams& Params
)

 Returns the result of tracing a line on the component represented by this adapter
Public function void

OnAdded ()

 Called when this adapter is created and added to its owner (used for setting up)
Public function void Called when this adapter is removed from its owner and deleted (used for cleaning up)
Public function void Post Edit to clear up or update necessary data
Public function void

PreEdit ()

 Pre Edit to setup necessary data
Public function void

QueryPaintableTextures ( int32 MaterialIndex,
int32& OutDefaultIndex,
TArray< struct FPaintableTexture >& InOutTextureList
)

 Retrieves a list of textures which are suitable for painting
Public function void

SetVertexColor ( int32 VertexIndex,
FColor Color,
bool bInstance
)

 Sets the Vertex Color at Vertex Index to Color inside of the Mesh
Public function Const TArray< uint32 >

SphereIntersectTriangles ( const float ComponentSpaceSquaredBrushRadius,
const FVector& ComponentSpaceBrushPosition,
const FVector& ComponentSpaceCameraPosition,
const bool bOnlyFrontFacing
)

 Returns the triangle indices which intersect with the given sphere
Public function Const TArray< FVector >

SphereIntersectVertices ( const float ComponentSpaceSquaredBrushRadius,
const FVector& ComponentSpaceBrushPosition,
const FVector& ComponentSpaceCameraPosition,
const bool bOnlyFrontFacing
)

 Returns the vertex positions which intersect the given sphere
Public function Const bool Whether or not this adapter supports texture painting
Public function Const bool Whether or not this adapter supports vertex painting

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