MeshRegionChange.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "InteractiveToolChange.h"
 
namespace UE::Geometry { class FDynamicMesh3; }
 
// Base class for mesh changes that apply to a selection of the mesh
class FMeshRegionChangeBase : public FToolCommandChange
{
public:
    // @param ChangedMesh The mesh after the change has been applied (or undone, if bRevert is true)
    // @param ProcessFn The callback that will be called with the vertices affected by this mesh change
    // @param bRevert Whether the changes is an undo
    virtual void ProcessChangeVertices(const UE::Geometry::FDynamicMesh3* ChangedMesh, TFunctionRef<void(TConstArrayView<int32>)> ProcessFn, bool bRevert) const = 0;
};