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> Unreal Engine API Reference > Plugins > MeshModelingTools > UEditMeshPolygonsTool

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UEditMeshPolygonsTool

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Inheritance Hierarchy

UObjectBase

UObjectBaseUtility

UObject

UInteractiveTool

USingleSelectionTool

UMeshSurfacePointTool

UEditMeshPolygonsTool

References

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

Syntax

[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)()
class UEditMeshPolygonsTool :
public UMeshSurfacePointTool,
public IClickBehaviorTarget

Variables

	Name	Description
TArray< FSelect...	ActiveEdgeSelection
FAxisAlignedBox...	ActiveSelectionBounds
FFrame3d	ActiveSelectionFrameLocal
FFrame3d	ActiveSelectionFrameWorld
TArray< int32 >	ActiveTriangleSelection
FMeshVertexChan...	ActiveVertexChange
bool	bGizmoUpdatePending
bool	bInDrag	True for the duration of UI click+drag.
bool	bPreviewUpdatePending
bool	bSelectionStateDirty
bool	bSpatialDirty
bool	bTriangleMode	If bTriangleMode = true, then we use a per-triangle FTriangleGroupTopology instead of polygroup topology.
bool	bWasTopologyEdited
FViewCameraStat...	CameraState
UPolyEditCommon...	CommonProps
int32	CurrentOperationTimestamp
EPreviewMateria...	CurrentPreviewMaterial
ECurrentToolMod...	CurrentToolMode
USpatialCurveDi...	CurveDistMechanic
UPolyEditCutPro...	CutProperties
USimpleDynamicM...	DynamicMeshComponent
UEditMeshPolygo...	EditActions
UEditMeshPolygo...	EditActions_Triangles
UEditMeshPolygo...	EditEdgeActions
UEditMeshPolygo...	EditEdgeActions_Triangles
UPolyEditPrevie...	EditPreview
UEditMeshPolygo...	EditUVActions
UPlaneDistanceF...	ExtrudeHeightMechanic
UPolyEditExtrud...	ExtrudeProperties
FFrame3d	InitialGizmoFrame
FVector3d	InitialGizmoScale
UPolyEditInsetP...	InsetProperties
FFrame3d	LastGeometryFrame
FFrame3d	LastTransformerFrame
FFrame3d	LastUpdateGizmoFrame
FVector3d	LastUpdateGizmoScale
FGroupTopologyD...	LinearDeformer	Data for current drag
FFrame3d	LockedTransfomerFrame
FDynamicMeshAAB...	MeshSpatial
int32	ModifiedTopologyCounter
UMultiTransform...	MultiTransformer
UPolyEditOffset...	OffsetProperties
FDelegateHandle	OnDynamicMeshComponentChangedHandle
UPolyEditOutset...	OutsetProperties
EEditMeshPolygo...	PendingAction
UPolygonSelecti...	SelectionMechanic
UPolyEditSetUVP...	SetUVProperties
UCollectSurface...	SurfacePathMechanic
TUniquePtr< FGr...	Topology
float	UVScaleFactor	UV Scale factor to apply to texturing on any new geometry (e.g. new faces added by extrude)
FTransform3d	WorldTransform	Camera state at last render

Constructors

	Name	Description
	UEditMeshPolygonsTool()

Functions

	Name	Description
void	AfterTopologyEdit()
void	ApplyCollapseEdge()
void	ApplyCollapseSingleEdge()
void	ApplyCutFaces()
void	ApplyDecompose()
void	ApplyDelete()
void	ApplyDisconnect()
void	ApplyExtrude ( bool bIsOffset )
void	ApplyFillHole()
void	ApplyFlipNormals()
void	ApplyFlipSingleEdge()
void	ApplyInset ( bool bOutset )
void	ApplyMerge()
void	ApplyPlaneCut()
void	ApplyPokeSingleFace()
void	ApplyRecalcNormals()
void	ApplyRetriangulate()
void	ApplySetUVs()
void	ApplySplitSingleEdge()
void	ApplyStraightenEdges()
void	ApplyWeldEdges()
void	BeginChange()
void	BeginCutFaces()
void	BeginExtrude ( bool bIsNormalOffset )
void	BeginInset ( bool bOutset )
bool	BeginMeshBoundaryEdgeEditChange ( bool bOnlySimple )
bool	BeginMeshEdgeEditChange()
bool	BeginMeshEdgeEditChange ( TFunctionRef< bool)> GroupEdg... )
bool	BeginMeshFaceEditChange()
bool	BeginMeshFaceEditChangeWithPreview()
void	BeginSetUVs()
void	CacheUpdate_Gizmo()
void	CancelMeshEditChange()
bool	CheckInOperation ( int32 Timestamp )
void	CompleteMeshEditChange ( const FText& TransactionLabel, TUniquePtr< FToolCommandChange > Ed..., const FGroupTopologySelection& Out... )
void	ComputeUpdate_Gizmo()
void	EnableTriangleMode()
void	EndChange()
FVector3d	GetExtrudeDirection()
FDynamicMesh...	GetSpatial()
void	OnDynamicMeshComponentChanged()	Realtime visualization
void	OnMultiTransformerTransformBegin()
void	OnMultiTransformerTransformEnd()
void	OnMultiTransformerTransformUpdate()
void	OnSelectionModifiedEvent()
void	PrecomputeTopology()
void	RequestAction ( EEditMeshPolygonsToolActions Action... )
void	RestartExtrude()
void	SetActionButtonPanelsVisible ( bool bVisible )
void	UpdateChangeFromROI ( bool bFinal )
void	UpdateDeformerFromSelection ( const FGroupTopologySelection& Sel... )
void	UpdateEditPreviewMaterials ( EPreviewMaterialType MaterialType )
void	UpdateMultiTransformerFrame ( const FFrame3d* UseFrame )
void	UpdateSetUVS()

Overridden from UMeshSurfacePointTool

	Name	Description
bool	HitTest ( const FRay& Ray, FHitResult& OutHit )	UMeshSurfacePointTool API.
void	OnBeginDrag ( const FRay& Ray )	This function is called when the user begins a click-drag-release interaction
void	OnEndDrag ( const FRay& Ray )	This function is called when the user releases the button driving a click-drag-release interaction
void	OnUpdateDrag ( const FRay& Ray )	This function is called each frame that the user is in a click-drag-release interaction

Overridden from UInteractiveTool

	Name	Description
bool	HasAccept()
bool	HasCancel()
void	OnTick ( float DeltaTime )	Action support/system
void	RegisterActions ( FInteractiveToolActionSet& ActionS... )	Override this function to register the set of Actions this Tool supports, using FInteractiveToolActionSet::RegisterAction.
void	Render ( IToolsContextRenderAPI* Render... )	Allow the Tool to do any custom drawing (ie via PDI/RHI)
void	Setup()	Register InputBehaviors, etc
void	Shutdown ( EToolShutdownType ShutdownType )	Called by ToolManager to shut down the Tool

Overridden from IClickDragBehaviorTarget

		Name	Description
	FInputRayHit	CanBeginClickDragSequence ( const FInputDeviceRay& PressPos )	IClickDragBehaviorTarget API.

Overridden from IHoverBehaviorTarget

		Name	Description
	void	OnEndHover()	Terminate active hover sequence
	bool	OnUpdateHover ( const FInputDeviceRay& DevicePos )	Update active hover sequence with new input position

Overridden from IClickBehaviorTarget

		Name	Description
	FInputRayHit	IsHitByClick ( const FInputDeviceRay& ClickPos )	IClickBehaviorTarget API.
	void	OnClicked ( const FInputDeviceRay& ClickPos )	Notify Target that click ocurred

Classes

	Name	Description
	FSelectedEdge

Enums

	Name	Description
	ECurrentToolMode
	EPreviewMaterialType

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