1. Epic GamesDeveloper
  3. UMeshGroupPaintTool

UMeshGroupPaintTool

Mesh Element Paint Tool Class

API > API/Plugins > API/Plugins/MeshModelingToolsExp

Inheritance Hierarchy

References

   
Module MeshModelingToolsExp
Header /Engine/Plugins/Experimental/MeshModelingToolsetExp/Source/MeshModelingToolsExp/Public/MeshGroupPaintTool.h
Include #include "MeshGroupPaintTool.h"

Syntax

UCLASS&40;&41;  
class UMeshGroupPaintTool : public UMeshSculptToolBase

Remarks

Mesh Element Paint Tool Class

Variables

  Type Name Description
Protected variable TSet< int32 > AccumulatedTriangleROI  
Protected variable TUniquePtr< FDynamicMeshGroupEditBuilder > ActiveGroupEditBuilder  
Protected variable TUniquePtr< UE::Geometry::FPolygroupSet > ActiveGroupSet  
Protected variable bool bDrawGroupsDataValid  
Protected variable bool bHavePendingAction  
Protected variable bool bPendingPickGroup  
Protected variable bool bPendingToggleFreezeGroup  
Protected variable bool bUndoUpdatePending  
Protected variable UProperty TObjectPtr< UDynamicMeshComponent > DynamicMeshComponent  
Public variable UProperty TObjectPtr< UGroupPaintBrushFilterProperties > FilterProperties Filters on paint brush
Public variable UProperty TObjectPtr< UMeshGroupPaintToolFreezeActions > FreezeActions  
Protected variable TArray< int32 > FrozenGroups  
Protected variable UE::Geometry::FGroupVisualizationCache GroupVisualizationCache  
Protected variable UProperty TObjectPtr< UMeshElementsVisualizer > MeshElementsDisplay  
Protected variable TArray< int > NormalsBuffer  
Protected variable TArray< int32 > NormalSeamEdges  
Protected variable UE::Geometry::FDynamicMeshOctree3 Octree  
Protected variable FDelegateHandle OnDynamicMeshComponentChangedHandle  
Protected variable EMeshGroupPaintToolActions PendingAction  
Protected variable EMeshGroupPaintBrushType PendingStampType  
Public variable UProperty TObjectPtr< UPolygroupLayersProperties > PolygroupLayerProperties  
Public variable UProperty TObjectPtr< UPolyLassoMarqueeMechanic > PolyLassoMechanic Marquee Support
Protected variable UProperty TObjectPtr< AInternalToolFrameworkActor > PreviewMeshActor Internals
Protected variable TArray< int32 > ROIGroupBuffer  
Protected variable TArray< int32 > ROITriangleBuffer  
Protected variable TArray< int > TempROIBuffer  
Protected variable TSet< int > TriangleROI  
Protected variable TArray< FVector3d > TriNormals  
Protected variable TArray< int32 > UVSeamEdges  
Protected variable TArray< int > VertexROI  
Protected variable TSet< int > VertexSetBuffer  
Protected variable TArray< bool > VisibilityFilterBuffer  

Functions

  Type Name Description
Public function void  
Protected function Virtual void  
Protected function bool  
Public function void

ApplyVisibilityFilter ( const TArray< int32 >& Triangles,
TArray< int32 >& VisibleTriangles
)

  
Public function void

ApplyVisibilityFilter ( TSet< int32 >& Triangles,
TArray< int32 >& ROIBuffer,
TArray< int32 >& OutputBuffer
)

  
Protected function void  
Protected function void  
Public function void  
Public function void  
Protected function void

EmitFrozenGroupsChange ( const TArray< int32 >& FromGroups,
const TArray< int32 >& ToGroups,
const FText& ChangeText
)

  
Protected function void  
Public function void  
Protected function void

FreezeOtherGroups ( int32 GroupID
)

  
Protected function FColor

GetColorForGroup ( int32 GroupID
)

  
Protected function bool  
Public function void  
Public function Const bool  
Public function Const bool  
Protected function void Realtime visualization
Protected function void

OnPolyLassoFinished ( const FCameraPolyLasso& Lasso,
bool bCanceled
)

  
Protected function void  
Protected function void  
Public function Virtual void Action support
Public function void

SetTrianglesToGroupID ( const TSet< int32 >& Triangles,
int32 ToGroupID,
bool bIsErase
)

  
Public function void  
Protected function bool  
Protected function void

ToggleFrozenGroup ( int32 GroupID
)

  
Protected function void  
Protected function bool

UpdateBrushPosition ( const FRay& WorldRay
)

  
Protected function void  
Protected function void

UpdateROI ( const FSculptBrushStamp& CurrentStamp
)

  
Protected function bool

UpdateStampPosition ( const FRay& WorldRay
)

  
Protected function void  
Protected function void  

Overridden from UMeshSculptToolBase

  Type Name Description
Public function Virtual void

CommitResult ( UBaseDynamicMeshComponent* Component,
bool bModifiedTopology
)

 Subclass can override this to change what results are written.
Public function Virtual void  
Public function Virtual void  
Protected function Virtual int32

FindHitSculptMeshTriangle ( const FRay3d& LocalRay
)

  
Protected function Virtual int32

FindHitTargetMeshTriangle ( const FRay3d& LocalRay
)

  
Protected function Virtual TUniquePtr< FMeshSculptBrushOp > &  
Protected function Virtual FDynamicMesh3 *  
Protected function Virtual Const const FDynamicMesh3 *  
Protected function Virtual UBaseDynamicMeshComponent * UMeshSculptToolBase API.
Public function Virtual void We override these so we can update the separate BrushSize property added for this tool
Public function Virtual void  
Protected function Virtual void

OnBeginStroke ( const FRay& WorldRay
)

  
Protected function Virtual void  
Protected function Virtual Const bool  

Overridden from UInteractiveTool

  Type Name Description
Public function Virtual Const bool  
Public function Virtual void

DrawHUD ( FCanvas* Canvas,
IToolsContextRenderAPI* RenderAPI
)

 Allow the Tool to do any custom screen space drawing
Public function Virtual Const bool  
Public function Virtual Const bool  
Public function Virtual void

OnPropertyModified ( UObject* PropertySet,
FProperty* Property
)

 Automatically called by UInteractiveToolPropertySet.OnModified delegate to notify Tool of child property set changes
Public function Virtual void

OnTick ( float DeltaTime
)

 Allow the Tool to do any necessary processing on Tick
Public function Virtual void Override this function to register the set of Actions this Tool supports, using FInteractiveToolActionSet::RegisterAction.
Public function Virtual void

Setup ()

 Register InputBehaviors, etc
Public function Virtual void

Shutdown ( EToolShutdownType ShutdownType
)

 Called by ToolManager to shut down the Tool

Overridden from IHoverBehaviorTarget

  Type Name Description
Public function Virtual bool

OnUpdateHover ( const FInputDeviceRay& DevicePos
)

 Update active hover sequence with new input position

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