UPolyEditActivityContext | Unreal Engine 5.7 Documentation

API > API/Plugins > API/Plugins/MeshModelingTools


Name	UPolyEditActivityContext
Type	class
Header File	/Engine/Plugins/Runtime/MeshModelingToolset/Source/MeshModelingTools/Public/ToolActivities/PolyEditActivityContext.h
Include Path	#include "ToolActivities/PolyEditActivityContext.h"

Syntax

UCLASS (MinimalAPI)  
class UPolyEditActivityContext : public UObject

Inheritance Hierarchy

UObjectBase → UObjectBaseUtility → UObject → UPolyEditActivityContext

Typedefs

Name	Type	Remarks	Include Path
FOnUndoRedo	TMulticastDelegate_OneParam< void, bool bGroupTopologyChanged >	Gets broadcast when the CurrentMesh is modified by an undo/redo transaction emitted via EmitCurrentMeshChangeAndUpdate.	ToolActivities/PolyEditActivityContext.h

Variables

Public

Name	Type	Remarks	Include Path
bTriangleMode	bool		ToolActivities/PolyEditActivityContext.h
CommonProperties	TObjectPtr< UPolyEditCommonProperties >		ToolActivities/PolyEditActivityContext.h
CurrentMesh	TSharedPtr< UE::Geometry::FDynamicMesh3, ESPMode::ThreadSafe >	The CurrentMesh is the authoritative current version of the mesh, which would be baked back to the asset on accept.	ToolActivities/PolyEditActivityContext.h
CurrentTopology	TSharedPtr< UE::Geometry::FGroupTopology, ESPMode::ThreadSafe >	The activity should update CurrentTopology and MeshSpatial if it alters CurrentMesh.	ToolActivities/PolyEditActivityContext.h
EmitActivityStart	TUniqueFunction< void(const FText &TransactionLabel)>	If an activity starts running, it should use this function to have the host emit an appropriate undoable transaction with the given transaction label.	ToolActivities/PolyEditActivityContext.h
EmitCurrentMeshChangeAndUpdate	TUniqueFunction< void(const FText &TransactionLabel, TUniquePtr< UE::Geometry::FDynamicMeshChange > MeshChangeIn, const UE::Geometry::FGroupTopologySelection &OutputSelection)>	Given a change to CurrentMesh (already applied and stored in MeshChangeIn), use this function to properly emit it from the host.	ToolActivities/PolyEditActivityContext.h
MeshSpatial	TSharedPtr< UE::Geometry::FDynamicMeshAABBTree3, ESPMode::ThreadSafe >		ToolActivities/PolyEditActivityContext.h
OnUndoRedo	FOnUndoRedo		ToolActivities/PolyEditActivityContext.h
Preview	TObjectPtr< UMeshOpPreviewWithBackgroundCompute >	The mesh stored in the preview is not authoritative.	ToolActivities/PolyEditActivityContext.h
SelectionMechanic	TObjectPtr< UPolygonSelectionMechanic >	The activity may use the selection mechanic to get (or alter) the current selection, though if selection is just being changed at the end of the activity, it should probably be done through EmitCurrentMeshChangeAndUpdate so that it is lumped with the same undo transaction.	ToolActivities/PolyEditActivityContext.h

Navigation

Syntax

Inheritance Hierarchy

Typedefs

Variables

Public