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  3. UEditMeshPolygonsTool

UEditMeshPolygonsTool

Unreal Engine C++ API Reference > Plugins > MeshModelingTools

Inheritance Hierarchy

References

   
Module MeshModelingTools
Header /Engine/Plugins/Runtime/MeshModelingToolset/Source/MeshModelingTools/Public/EditMeshPolygonsTool.h
Include #include "EditMeshPolygonsTool.h"

Syntax

UCLASS&40;&41;  
class UEditMeshPolygonsTool :  
    public USingleTargetWithSelectionTool,  
    public IToolActivityHost,  
    public IMeshVertexCommandChangeTarget,  
    public IInteractiveToolNestedAcceptCancelAPI

Variables

  Type Name Description
Protected variable UProperty TObjectPtr< UEditMeshPolygonsToolAcceptCancelAction > AcceptCancelAction  
Protected variable TArray< FSelectedEdge > ActiveEdgeSelection  
Protected variable UE::Geometry::FAxisAlignedBox3d ActiveSelectionBounds  
Protected variable FFrame3d ActiveSelectionFrameLocal  
Protected variable FFrame3d ActiveSelectionFrameWorld  
Protected variable TArray< int32 > ActiveTriangleSelection  
Protected variable FMeshVertexChangeBuilder * ActiveVertexChange  
Protected variable UProperty TObjectPtr< UPolyEditActivityContext > ActivityContext  
Protected variable int32 ActivityTimestamp  
Protected variable UE::Geometry::FTransformSRT3d BakedTransform  
Protected variable UProperty TObjectPtr< UPolyEditBevelEdgeActivity > BevelEdgeActivity  
Protected variable bool bGizmoUpdatePending  
Protected variable bool bInGizmoDrag  
Protected variable bool bLastUpdateUsedWorldFrame  
Protected variable bool bSelectionStateDirty  
Protected variable bool bSpatialDirty  
Protected variable bool bTerminateOnPendingActionComplete  
Protected variable bool bToolDisabled TODO: This is a hack to allow us to disallow any actions inside the tool after Setup() is called.
Protected variable bool bTriangleMode If bTriangleMode = true, then we use a per-triangle FTriangleGroupTopology instead of polygroup topology.
Protected variable bool bWasTopologyEdited  
Protected variable UProperty TObjectPtr< UEditMeshPolygonsToolCancelAction > CancelAction  
Protected variable UProperty TObjectPtr< UPolyEditCommonProperties > CommonProps  
Protected variable TObjectPtr< UInteractiveToolActivity > CurrentActivity Points to one of the activities when it is active
Protected variable TSharedPtr< UE::Geometry::FDynamicMesh3 > CurrentMesh  
Protected variable EPreviewMaterialType CurrentPreviewMaterial  
Protected variable UProperty TObjectPtr< UPolyEditCutFacesActivity > CutFacesActivity  
Protected variable FText DefaultMessage  
Protected variable UProperty TObjectPtr< UDragAlignmentMechanic > DragAlignmentMechanic  
Protected variable UProperty TObjectPtr< UEditMeshPolygonsToolActions > EditActions  
Protected variable UProperty TObjectPtr< UEditMeshPolygonsToolActions_Triangles > EditActions_Triangles  
Protected variable UProperty TObjectPtr< UEditMeshPolygonsToolEdgeActions > EditEdgeActions  
Protected variable UProperty TObjectPtr< UEditMeshPolygonsToolEdgeActions_Triangles > EditEdgeActions_Triangles  
Protected variable UProperty TObjectPtr< UEditMeshPolygonsToolUVActions > EditUVActions  
Protected variable double ExtraCornerDotProductThreshold  
Protected variable UProperty TObjectPtr< UPolyEditExtrudeActivity > ExtrudeActivity Activity objects that handle multi-interaction operations
Protected variable FFrame3d InitialGizmoFrame  
Protected variable FVector3d InitialGizmoScale  
Protected variable UProperty TObjectPtr< UPolyEditInsertEdgeActivity > InsertEdgeActivity  
Protected variable UProperty TObjectPtr< UPolyEditInsertEdgeLoopActivity > InsertEdgeLoopActivity  
Protected variable UProperty TObjectPtr< UPolyEditInsetOutsetActivity > InsetOutsetActivity  
Protected variable FFrame3d LastGeometryFrame  
Protected variable FFrame3d LastTransformerFrame  
Protected variable FFrame3d LastUpdateGizmoFrame  
Protected variable FVector3d LastUpdateGizmoScale  
Protected variable UE::Geometry::FGroupTopologyDeformer LinearDeformer Data for current drag
Protected variable FFrame3d LockedTransfomerFrame  
Protected variable TSharedPtr< UE::Geometry::FDynamicMeshAABBTree3 > MeshSpatial  
Protected variable int32 ModifiedTopologyCounter  
Protected variable EEditMeshPolygonsToolActions PendingAction  
Protected variable UProperty TObjectPtr< UPolyEditPlanarProjectionUVActivity > PlanarProjectionUVActivity  
Protected variable TUniqueFunction< void(UEditMeshPolygonsTool *)> PostSetupFunction  
Protected variable UProperty TObjectPtr< UMeshOpPreviewWithBackgroundCompute > Preview  
Protected variable UProperty TObjectPtr< UPolygonSelectionMechanic > SelectionMechanic  
Protected variable TSharedPtr< UE::Geometry::FGroupTopology > Topology  
Protected variable UProperty TObjectPtr< UPolyEditTopologyProperties > TopologyProperties  
Protected variable UProperty TObjectPtr< UCombinedTransformGizmo > TransformGizmo  
Protected variable UProperty TObjectPtr< UTransformProxy > TransformProxy  
Protected variable float UVScaleFactor UV Scale factor to apply to texturing on any new geometry (e.g. new faces added by extrude)
Protected variable UE::Geometry::FTransformSRT3d WorldTransform  

Constructors

  Type Name Description
Public function    

Functions

  Type Name Description
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function void  
Protected function bool

BeginMeshBoundaryEdgeEditChange ( bool bOnlySimple
)

  
Protected function bool  
Protected function bool

BeginMeshEdgeEditChange ( TFunctionRef< bool(int32)> GroupEdgeIDFilterFunc
)

  
Protected function bool  
Protected function void  
Protected function void

EmitActivityStart ( const FText& TransactionLabel
)

 Emit an undoable start of an activity.
Protected function void Emit an undoable change to CurrentMesh and update related structures (preview, spatial, etc)
Public function void  
Protected function void

EndCurrentActivity ( EToolShutdownType ShutdownType
)

  
Protected function void  
Protected function UE::Geometry::FDynamicMeshAABBTree3 &  
Protected function void  
Protected function void  
Protected function void

OnGizmoTransformChanged ( UTransformProxy* Proxy,
FTransform Transform
)

  
Protected function void  
Public function void

RebuildTopologyWithGivenExtraCorners ( const TSet< int32 >& Vids
)

 Used by undo/redo
Public function Virtual void  
Public function Virtual void  
Protected function void  
Protected function void

SetActionButtonPanelsVisible ( bool bVisible
)

  
Public function void

SetActionButtonsVisibility ( bool bVisible
)

  
Protected function void  
Protected function void  
Protected function void  
Protected function void

UpdateDeformerChangeFromROI ( bool bFinal
)

  
Protected function void  
Protected function void  
Protected function void

UpdateFromCurrentMesh ( bool bRebuildTopology
)

  
Protected function void

UpdateGizmoFrame ( const FFrame3d* UseFrame
)

  
Protected function void  

Overridden from USingleTargetWithSelectionTool

  Type Name Description
Public function Virtual void

OnShutdown ( EToolShutdownType ShutdownType
)

  

Overridden from UInteractiveTool

  Type Name Description
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 Allow the Tool to do any custom drawing (ie via PDI/RHI)
Public function Virtual void

Setup ()

 Called by ToolManager to initialize the Tool after ToolBuilder::BuildTool() has been called

Overridden from IInteractiveToolCameraFocusAPI

  Type Name Description
Public function Virtual FBox IInteractiveToolCameraFocusAPI implementation.
Public function Virtual bool

GetWorldSpaceFocusPoint ( const FRay& WorldRay,
FVector& PointOut
)

  

Overridden from IToolActivityHost

  Type Name Description
Public function Virtual void IToolActivityHost.

Overridden from IMeshVertexCommandChangeTarget

  Type Name Description
Public function Virtual void

ApplyChange ( const FMeshVertexChange* Change,
bool bRevert
)

 IMeshVertexCommandChangeTarget.

Overridden from IInteractiveToolNestedAcceptCancelAPI

  Type Name Description
Public function Virtual bool  
Public function Virtual bool  
Public function Virtual bool Called by Editor levels to tell the implementor (eg Tool) to execute a nested Accept action
Public function Virtual bool Called by Editor levels to tell the implementor (eg Tool) to execute a nested Cancel action
Public function Virtual bool  
Public function Virtual bool IInteractiveToolNestedAcceptCancelAPI.

Classes

  Type Name Description
Protected struct FSelectedEdge    

Enums

  Type Name Description
Protected enum EPreviewMaterialType    

Typedefs

Name Description
FFrame3d  

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