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  3. UPolyEditInsertEdgeActivity

UPolyEditInsertEdgeActivity

Interactive activity for inserting a group edge into a mesh.

API > API/Plugins > API/Plugins/MeshModelingTools > API/Plugins/MeshModelingTools/ToolActivities

Inheritance Hierarchy

References

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

Syntax

UCLASS&40;&41;  
class UPolyEditInsertEdgeActivity :  
    public UInteractiveToolActivity,  
    public UE::Geometry::IDynamicMeshOperatorFactory,  
    public IHoverBehaviorTarget,  
    public IClickBehaviorTarget

Remarks

Interactive activity for inserting a group edge into a mesh.

Variables

  Type Name Description
Protected variable UProperty TObjectPtr< UPolyEditActivityContext > ActivityContext  
Protected variable bool bEndIsCorner  
Protected variable bool bIsRunning  
Protected variable bool bLastComputeSucceeded  
Protected variable bool bShowingBaseMesh  
Protected variable bool bStartIsCorner  
Protected variable FViewCameraState CameraState  
Protected variable int32 CommonBoundaryIndex  
Protected variable int32 CommonGroupID  
Protected variable TSharedPtr< const UE::Geometry::FDynamicMesh3, ESPMode::ThreadSafe > ComputeStartMesh Safe inputs for the background compute to use, untouched by undo/redo/other CurrentMesh updates.
Protected variable TSharedPtr< const UE::Geometry::FGroupTopology, ESPMode::ThreadSafe > ComputeStartTopology  
Protected variable int32 CurrentChangeStamp  
Protected variable FGroupEdgeInserter::FGroupEdgeSplitPoint EndPoint  
Protected variable int32 EndTopologyID  
Protected variable FToolDataVisualizer ExistingEdgesRenderer  
Protected variable FRay LastEndPointWorldRay  
Protected variable TSharedPtr< TSet< int32 >, ESPMode::ThreadSafe > LatestOpChangedTids  
Protected variable TSharedPtr< UE::Geometry::FGroupTopology, ESPMode::ThreadSafe > LatestOpTopologyResult  
Protected variable FToolDataVisualizer PreviewEdgeRenderer  
Protected variable TArray< TPair< FVector3d, FVector3d > > PreviewEdges  
Protected variable TArray< FVector3d > PreviewPoints  
Protected variable UProperty TObjectPtr< UGroupEdgeInsertionProperties > Settings  
Protected variable FGroupEdgeInserter::FGroupEdgeSplitPoint StartPoint Inputs from user interaction:
Protected variable int32 StartTopologyID  
Protected variable FTransform TargetTransform  
Protected variable EState ToolState State control:
Protected variable TSharedPtr< FMeshTopologySelector, ESPMode::ThreadSafe > TopologySelector  
Protected variable FMeshTopologySelector::FSelectionSettings TopologySelectorSettings  

Constructors

  Type Name Description
Public function    

Functions

  Type Name Description
Protected function void

ClearPreview ( bool bClearDrawnElements
)

  
Protected function void

ConditionallyUpdatePreview ( const FGroupEdgeInserter::FGroupEdgeSplitPoint& NewEndPoint,
int32 NewEndTopologyID,
bool bNewEndIsCorner,
int32 NewCommonGroupID,
int32 NewBoundaryIndex
)

 Update the preview unless we've already computed one with the same parameters (such as when snapping to the same vertex despite moving the mouse).
Protected function void Expires the tool-associated changes in the undo/redo stack.
Protected function void

GetCornerTangent ( int32 CornerID,
int32 GroupID,
int32 BoundaryIndex,
FVector3d& TangentOut
)

  
Protected function bool

GetHoveredItem ( const FRay& WorldRay,
FGroupEdgeInserter::FGroupEdgeSplitPoint& PointOut,
int32& TopologyElementIDOut,
bool& bIsCornerOut,
FVector3d& PositionOut,
FRay3d* LocalRayOut
)

  
Public function Virtual void

OnPropertyModified ( UObject* PropertySet,
FProperty* Property
)

  
Protected function void  
Protected function bool

TopologyHitTest ( const FRay& WorldRay,
FVector3d& RayPositionOut,
FRay3d* LocalRayOut
)

  
Protected function void  

Overridden from UInteractiveToolActivity

  Type Name Description
Public function Virtual Const bool If true, calling End with EToolShutdownType::Accept will result in a valid completion of the activity.
Public function Virtual Const bool Check whether a Start() call will result in a success.
Public function Virtual EToolActivityEndResult

End ( EToolShutdownType
)

 Force an end to the activity.
Public function Virtual Const bool Check whether the activity is running (though the tool can just check the result of Start() itself).
Public function Virtual void

Shutdown ( EToolShutdownType ShutdownType
)

 Should be called during a tool's Shutdown()Should be called during a tool's Shutdown()
Public function Virtual EToolActivityStartResult

Start ()

 Attempt to start the activity.

Overridden from UInteractionMechanic

  Type Name Description
Public function Virtual void If the activity is running, should be called from the tool's Render()
Public function Virtual void

Setup ( UInteractiveTool* ParentTool
)

 IInteractiveToolActivity.
Public function Virtual void

Tick ( float DeltaTime
)

 If the activity is running, should be called from the tool's OnTick()

Overridden from IDynamicMeshOperatorFactory

  Type Name Description
Public function Virtual TUniquePtr< UE::Geometry::FDynamicMeshOperator > IDynamicMeshOperatorFactory.

Overridden from IHoverBehaviorTarget

  Type Name Description
Public function Virtual FInputRayHit IHoverBehaviorTarget.
Public function Virtual void

OnBeginHover ( const FInputDeviceRay& DevicePos
)

 Initialize hover sequence at given position
Public function Virtual void Terminate active hover sequence
Public function Virtual bool

OnUpdateHover ( const FInputDeviceRay& DevicePos
)

 Update active hover sequence with new input position

Overridden from IClickBehaviorTarget

  Type Name Description
Public function Virtual FInputRayHit

IsHitByClick ( const FInputDeviceRay& ClickPos
)

 IClickBehaviorTarget.
Public function Virtual void

OnClicked ( const FInputDeviceRay& ClickPos
)

 Notify Target that click ocurred

Enums

  Type Name Description
Private enum EState    

Typedefs

Name Description
FDynamicMesh3  
FGroupEdgeInserter  

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