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  3. IMeshPaintGeometryAdapter

IMeshPaintGeometryAdapter

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

API > API/Editor > API/Editor/MeshPaint

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

   
Name IMeshPaintGeometryAdapter
Type class
Header File /Engine/Source/Editor/MeshPaint/Public/IMeshPaintGeometryAdapter.h
Include Path #include "IMeshPaintGeometryAdapter.h"

Syntax

class IMeshPaintGeometryAdapter

Derived Classes

Destructors

Name Remarks Include Path Unreal Specifiers

virtual ~IMeshPaintGeometryAdapter()

 D-tor IMeshPaintGeometryAdapter.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

void AddReferencedObjects ( FReferenceCollector& Collector
)

 Reference collecting to prevent GC-ing IMeshPaintGeometryAdapter.h  

void ApplyOrRemoveTextureOverride ( UTexture* SourceTexture,
UTexture* OverrideTexture
) const

 Applies or removes an override texture to use while rendering the meshes materials IMeshPaintGeometryAdapter.h  

bool Construct ( UMeshComponent* InComponent,
int32 MeshLODIndex
)

 Constructs the adapter for a specific LOD index using the mesh component IMeshPaintGeometryAdapter.h  

FMatrix GetComponentToWorldMatrix()

 Returns the Component to World matrix from the Mesh Component IMeshPaintGeometryAdapter.h  

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

 Retrieves the influenced vertex indices and positions that intersect the given sphere IMeshPaintGeometryAdapter.h  

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

 Retrieves the influenced vertex indices which intersect the given sphere IMeshPaintGeometryAdapter.h  

const TArray< uint32 > & GetMeshIndices()

 Returns the indices for the current LOD index in the Mesh IMeshPaintGeometryAdapter.h  

const TArray< FVector > & GetMeshVertices()

 Returns the vertices for the current LOD index in the Mesh IMeshPaintGeometryAdapter.h  

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

 Returns the Texture Coordinate at Vertex Index from the Mesh IMeshPaintGeometryAdapter.h  

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

 Returns the Vertex Color at Vertex Index from the Mesh IMeshPaintGeometryAdapter.h  

void GetVertexPosition ( int32 VertexIndex,
FVector& OutVertex
) const

 Returns the Vertex Position at Vertex Index from the Mesh IMeshPaintGeometryAdapter.h  

bool Initialize()

 Returns whether or not initialization of necessary data was successful IMeshPaintGeometryAdapter.h  

bool IsValid()

 Returns whether or not this adapter is in a valid state IMeshPaintGeometryAdapter.h  

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

 Returns the result of tracing a line on the component represented by this adapter IMeshPaintGeometryAdapter.h  

void OnAdded()

 Called when this adapter is created and added to its owner (used for setting up) IMeshPaintGeometryAdapter.h  

void OnRemoved()

 Called when this adapter is removed from its owner and deleted (used for cleaning up) IMeshPaintGeometryAdapter.h  

void PostEdit()

 Post Edit to clear up or update necessary data IMeshPaintGeometryAdapter.h  

void PreEdit()

 Pre Edit to setup necessary data IMeshPaintGeometryAdapter.h  

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

 Retrieves a list of textures which are suitable for painting IMeshPaintGeometryAdapter.h  

void SetVertexColor ( int32 VertexIndex,
FColor Color,
bool bInstance
)

 Sets the Vertex Color at Vertex Index to Color inside of the Mesh IMeshPaintGeometryAdapter.h  

TArray< uint32 > SphereIntersectTriangles ( const float ComponentSpaceSquaredBrushRadius,
const FVector& ComponentSpaceBrushPosition,
const FVector& ComponentSpaceCameraPosition,
const bool bOnlyFrontFacing
) const

 Returns the triangle indices which intersect with the given sphere IMeshPaintGeometryAdapter.h  

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

 Returns the vertex positions which intersect the given sphere IMeshPaintGeometryAdapter.h  

bool SupportsTexturePaint()

 Whether or not this adapter supports texture painting IMeshPaintGeometryAdapter.h  

bool SupportsVertexPaint()

 Whether or not this adapter supports vertex painting IMeshPaintGeometryAdapter.h  

Static

Name Remarks Include Path Unreal Specifiers

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

 Default functionality for applying or remove a texture override IMeshPaintGeometryAdapter.h  

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 IMeshPaintGeometryAdapter.h  

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