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6032c02f0e
ToolsFramework: add UInteractiveCommand and UInteractiveCommandArguments types, base classes for 'interactive commands' which are intended to be used for atomic actions, ie stateless, no user interaction, etc ModelingComponents: add UGeometrySelectionEditCommand/Arguments, this is a UInteractiveCommand that uses a FGeometrySelection as an argument add UGeometrySelectionManager::CanExecuteSelectionCommand() and ExecuteSelectionCommand() MeshModelingTools: add UDeleteGeometrySelectionCommand, deletes selected mesh geometry by converting input selection to list of triangles ModelingToolsEditorMode: add Delete command to ModelingMode and UI. ModelingToolsEditorMode currently is keeping active command set alive via new UModelingToolsEditorMode::ModelingModeCommands member. #rb none #preflight 62d195b9a66919b6701d89a8 [CL 21113757 by Ryan Schmidt in ue5-main branch]
79 lines
2.1 KiB
C++
79 lines
2.1 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "InteractiveCommand.h"
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#include "Selection/GeometrySelector.h" // for FGeometrySelectionHandle
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#include "SelectionEditInteractiveCommand.generated.h"
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/**
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* Arguments for a UGeometrySelectionEditCommand
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*/
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UCLASS()
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class MODELINGCOMPONENTS_API UGeometrySelectionEditCommandArguments : public UInteractiveCommandArguments
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{
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GENERATED_BODY()
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public:
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FGeometrySelectionHandle SelectionHandle;
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bool IsSelectionEmpty() const
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{
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return SelectionHandle.Selection == nullptr || SelectionHandle.Selection->IsEmpty();
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}
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bool IsMatchingType(FGeometryIdentifier::ETargetType TargetType, FGeometryIdentifier::EObjectType EngineType) const
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{
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return SelectionHandle.Identifier.TargetType == TargetType
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|| SelectionHandle.Identifier.ObjectType == EngineType;
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}
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};
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/**
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* UGeometrySelectionEditCommand is a command that edits geometry based on a selection.
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* Requires a UGeometrySelectionEditCommandArguments
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*/
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UCLASS(Abstract)
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class MODELINGCOMPONENTS_API UGeometrySelectionEditCommand : public UInteractiveCommand
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{
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GENERATED_BODY()
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public:
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virtual bool AllowEmptySelection() const { return false; }
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virtual bool CanExecuteCommandForSelection(UGeometrySelectionEditCommandArguments* SelectionArgs)
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{
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return false;
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}
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virtual void ExecuteCommandForSelection(UGeometrySelectionEditCommandArguments* Arguments)
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{
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}
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public:
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// UInteractiveCommand API
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virtual bool CanExecuteCommand(UInteractiveCommandArguments* Arguments) override
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{
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UGeometrySelectionEditCommandArguments* SelectionArgs = Cast<UGeometrySelectionEditCommandArguments>(Arguments);
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if (SelectionArgs && (SelectionArgs->IsSelectionEmpty() == false || AllowEmptySelection()) )
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{
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return CanExecuteCommandForSelection(SelectionArgs);
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}
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return false;
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}
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virtual void ExecuteCommand(UInteractiveCommandArguments* Arguments) override
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{
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UGeometrySelectionEditCommandArguments* SelectionArgs = Cast<UGeometrySelectionEditCommandArguments>(Arguments);
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if ( SelectionArgs && (SelectionArgs->IsSelectionEmpty() == false || AllowEmptySelection()) )
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{
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ExecuteCommandForSelection(SelectionArgs);
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}
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}
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};
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