MRContoursCut.h

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#pragma once
 
#include "MRBitSet.h"
#include "MRAffineXf3.h"
#include "MROneMeshContours.h"
 
namespace MR
{
 

struct NewEdgesMap
{
    UndirectedEdgeBitSet splitEdges;

    HashMap<UndirectedEdgeId, int> map;
};

struct CutMeshParameters
{
    const SortIntersectionsData* sortData{nullptr};
    FaceMap* new2OldMap{nullptr};
    enum class ForceFill
    {
        None, 
        Good, 
        All   
    } forceFillMode{ ForceFill::None };

    NewEdgesMap* new2oldEdgesMap{ nullptr };
};

struct CutMeshResult
{
    std::vector<EdgePath> resultCut;
    FaceBitSet fbsWithContourIntersections;
};

MRMESH_API CutMeshResult cutMesh( Mesh& mesh, const OneMeshContours& contours, const CutMeshParameters& params = {} );
 

[[nodiscard]] MRMESH_API Expected<FaceBitSet> cutMeshByContour( Mesh& mesh, const Contour3f& contour, const AffineXf3f& xf = {} );

[[nodiscard]] MRMESH_API Expected<FaceBitSet> cutMeshByContours( Mesh& mesh, const Contours3f& contours, const AffineXf3f& xf = {} );
 

struct CutByProjectionSettings
{
    Vector3f direction;

    const AffineXf3f* cont2mesh{ nullptr };
};

[[nodiscard]] MRMESH_API Expected<std::vector<EdgePath>> cutMeshByProjection( Mesh& mesh, const Contours3f& contours, const CutByProjectionSettings& settings );

[[nodiscard]]
MRMESH_API Expected<OneMeshContours> convertMeshTriPointsSurfaceOffsetToMeshContours( const Mesh& mesh, const std::vector<MeshTriPoint>& surfaceLine,
    float offset, SearchPathSettings searchSettings = {} );

[[nodiscard]]
MRMESH_API Expected<OneMeshContours> convertMeshTriPointsSurfaceOffsetToMeshContours( const Mesh& mesh, const std::vector<MeshTriPoint>& surfaceLine,
    const std::function<float(int)>& offsetAtPoint, SearchPathSettings searchSettings = {});
 
}