MRMesh.h

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#pragma once
 
#include <MRCMesh/MRBox.h>
#include <MRCMesh/MRId.h>
#include <MRCMesh/MRVector3.h>
#include <MRCMisc/common.h>
#include <MRCMisc/exports.h>
#include <MRCMisc/std_array_MR_Vector3f_3.h>
 
#include <stdbool.h>
#include <stddef.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct MR_AABBTree MR_AABBTree; // Defined in `#include <MRCMesh/MRAABBTree.h>`.
typedef struct MR_AABBTreePoints MR_AABBTreePoints; // Defined in `#include <MRCMesh/MRAABBTreePoints.h>`.
typedef struct MR_AffineXf3f MR_AffineXf3f; // Defined in `#include <MRCMesh/MRAffineXf.h>`.
typedef struct MR_Dipoles MR_Dipoles; // Defined in `#include <MRCMesh/MRVector.h>`.
typedef struct MR_EdgePoint MR_EdgePoint; // Defined in `#include <MRCMesh/MREdgePoint.h>`.
typedef struct MR_FaceBitSet MR_FaceBitSet; // Defined in `#include <MRCMesh/MRBitSet.h>`.
typedef struct MR_FaceMap MR_FaceMap; // Defined in `#include <MRCMesh/MRVector.h>`.
typedef struct MR_LineSegm3f MR_LineSegm3f; // Defined in `#include <MRCMesh/MRLineSegm.h>`.
typedef struct MR_MeshBuilder_BuildSettings MR_MeshBuilder_BuildSettings; // Defined in `#include <MRCMesh/MRMeshBuilderTypes.h>`.
typedef struct MR_MeshPart MR_MeshPart; // Defined in `#include <MRCMesh/MRMeshPart.h>`.
typedef struct MR_MeshProjectionResult MR_MeshProjectionResult; // Defined in `#include <MRCMesh/MRMeshProject.h>`.
typedef struct MR_MeshTopology MR_MeshTopology; // Defined in `#include <MRCMesh/MRMeshTopology.h>`.
typedef struct MR_MeshTriPoint MR_MeshTriPoint; // Defined in `#include <MRCMesh/MRMeshTriPoint.h>`.
typedef struct MR_PackMapping MR_PackMapping; // Defined in `#include <MRCMesh/MRBuffer.h>`.
typedef struct MR_PartMapping MR_PartMapping; // Defined in `#include <MRCMesh/MRPartMapping.h>`.
typedef struct MR_Plane3d MR_Plane3d; // Defined in `#include <MRCMesh/MRPlane3.h>`.
typedef struct MR_Plane3f MR_Plane3f; // Defined in `#include <MRCMesh/MRPlane3.h>`.
typedef struct MR_PointOnFace MR_PointOnFace; // Defined in `#include <MRCMesh/MRPointOnFace.h>`.
typedef struct MR_QuadraticForm3f MR_QuadraticForm3f; // Defined in `#include <MRCMesh/MRQuadraticForm.h>`.
typedef struct MR_TriMesh MR_TriMesh; // Defined in `#include <MRCMesh/MRTriMesh.h>`.
typedef struct MR_Triangulation MR_Triangulation; // Defined in `#include <MRCMesh/MRVector.h>`.
typedef struct MR_UndirectedEdgeBitSet MR_UndirectedEdgeBitSet; // Defined in `#include <MRCMesh/MRBitSet.h>`.
typedef struct MR_UndirectedEdgeScalars MR_UndirectedEdgeScalars; // Defined in `#include <MRCMesh/MRVector.h>`.
typedef struct MR_VacantElements MR_VacantElements; // Defined in `#include <MRCMesh/MRMeshTopology.h>`.
typedef struct MR_Vector_MR_MeshBuilder_VertSpan_MR_FaceId MR_Vector_MR_MeshBuilder_VertSpan_MR_FaceId; // Defined in `#include <MRCMesh/MRVector.h>`.
typedef struct MR_VertBitSet MR_VertBitSet; // Defined in `#include <MRCMesh/MRBitSet.h>`.
typedef struct MR_VertCoords MR_VertCoords; // Defined in `#include <MRCMesh/MRVector.h>`.
typedef struct MR_VertMap MR_VertMap; // Defined in `#include <MRCMesh/MRVector.h>`.
typedef struct MR_WholeEdgeMap MR_WholeEdgeMap; // Defined in `#include <MRCMesh/MRVector.h>`.
typedef struct MR_expected_MR_PackMapping_std_string MR_expected_MR_PackMapping_std_string; // Defined in `#include <MRCMisc/expected_MR_PackMapping_std_string.h>`.
typedef struct MR_expected_MR_VertBitSet_std_string MR_expected_MR_VertBitSet_std_string; // Defined in `#include <MRCMisc/expected_MR_VertBitSet_std_string.h>`.
typedef struct MR_expected_void_std_string MR_expected_void_std_string; // Defined in `#include <MRCMisc/expected_void_std_string.h>`.
typedef struct MR_phmap_flat_hash_map_MR_FaceId_MR_FaceId MR_phmap_flat_hash_map_MR_FaceId_MR_FaceId; // Defined in `#include <MRCMisc/phmap_flat_hash_map_MR_FaceId_MR_FaceId.h>`.
typedef struct MR_std_function_bool_from_float MR_std_function_bool_from_float; // Defined in `#include <MRCMisc/std_function_bool_from_float.h>`.
typedef struct MR_std_optional_float MR_std_optional_float; // Defined in `#include <MRCMisc/std_optional_float.h>`.
typedef struct MR_std_vector_MR_MeshBuilder_VertDuplication MR_std_vector_MR_MeshBuilder_VertDuplication; // Defined in `#include <MRCMisc/std_vector_MR_MeshBuilder_VertDuplication.h>`.
typedef struct MR_std_vector_MR_Vector3f MR_std_vector_MR_Vector3f; // Defined in `#include <MRCMisc/std_vector_MR_Vector3f.h>`.
typedef struct MR_std_vector_MR_VertId MR_std_vector_MR_VertId; // Defined in `#include <MRCMisc/std_vector_MR_VertId.h>`.
typedef struct MR_std_vector_std_array_MR_Vector3f_3 MR_std_vector_std_array_MR_Vector3f_3; // Defined in `#include <MRCMisc/std_vector_std_array_MR_Vector3f_3.h>`.
typedef struct MR_std_vector_std_vector_MR_EdgeId MR_std_vector_std_vector_MR_EdgeId; // Defined in `#include <MRCMisc/std_vector_std_vector_MR_EdgeId.h>`.
typedef struct MR_std_vector_std_vector_MR_Vector3f MR_std_vector_std_vector_MR_Vector3f; // Defined in `#include <MRCMisc/std_vector_std_vector_MR_Vector3f.h>`.
 

typedef struct MR_Mesh MR_Mesh;

MRC_API const MR_MeshTopology *MR_Mesh_Get_topology(const MR_Mesh *_this);

MRC_API void MR_Mesh_Set_topology(MR_Mesh *_this, MR_PassBy value_pass_by, MR_MeshTopology *value);

MRC_API MR_MeshTopology *MR_Mesh_GetMutable_topology(MR_Mesh *_this);

MRC_API const MR_VertCoords *MR_Mesh_Get_points(const MR_Mesh *_this);

MRC_API void MR_Mesh_Set_points(MR_Mesh *_this, MR_PassBy value_pass_by, MR_VertCoords *value);

MRC_API MR_VertCoords *MR_Mesh_GetMutable_points(MR_Mesh *_this);

MRC_API MR_Mesh *MR_Mesh_DefaultConstruct(void);

MRC_API MR_Mesh *MR_Mesh_DefaultConstructArray(size_t num_elems);

MRC_API const MR_Mesh *MR_Mesh_OffsetPtr(const MR_Mesh *ptr, ptrdiff_t i);

MRC_API MR_Mesh *MR_Mesh_OffsetMutablePtr(MR_Mesh *ptr, ptrdiff_t i);

MRC_API MR_Mesh *MR_Mesh_ConstructFromAnother(MR_PassBy _other_pass_by, MR_Mesh *_other);

MRC_API void MR_Mesh_Destroy(const MR_Mesh *_this);

MRC_API void MR_Mesh_DestroyArray(const MR_Mesh *_this);

MRC_API MR_Mesh *MR_Mesh_AssignFromAnother(MR_Mesh *_this, MR_PassBy _other_pass_by, MR_Mesh *_other);

MRC_API MR_Mesh *MR_Mesh_fromTriangles(MR_PassBy vertexCoordinates_pass_by, MR_VertCoords *vertexCoordinates, const MR_Triangulation *t, const MR_MeshBuilder_BuildSettings *settings, MR_PassBy cb_pass_by, MR_std_function_bool_from_float *cb);

MRC_API MR_Mesh *MR_Mesh_fromTriMesh(MR_TriMesh *triMesh, const MR_MeshBuilder_BuildSettings *settings, MR_PassBy cb_pass_by, MR_std_function_bool_from_float *cb);

MRC_API MR_Mesh *MR_Mesh_fromTrianglesDuplicatingNonManifoldVertices(MR_PassBy vertexCoordinates_pass_by, MR_VertCoords *vertexCoordinates, MR_Triangulation *t, MR_std_vector_MR_MeshBuilder_VertDuplication *dups, const MR_MeshBuilder_BuildSettings *settings);

MRC_API MR_Mesh *MR_Mesh_fromFaceSoup(MR_PassBy vertexCoordinates_pass_by, MR_VertCoords *vertexCoordinates, const MR_std_vector_MR_VertId *verts, const MR_Vector_MR_MeshBuilder_VertSpan_MR_FaceId *faces, const MR_MeshBuilder_BuildSettings *settings, MR_PassBy cb_pass_by, MR_std_function_bool_from_float *cb);

MRC_API MR_Mesh *MR_Mesh_fromPointTriples(const MR_std_vector_std_array_MR_Vector3f_3 *posTriples, bool duplicateNonManifoldVertices);

MRC_API bool MR_equal_MR_Mesh(const MR_Mesh *_this, const MR_Mesh *b);

MRC_API MR_Vector3f MR_Mesh_orgPnt(const MR_Mesh *_this, MR_EdgeId e);

MRC_API MR_Vector3f MR_Mesh_destPnt(const MR_Mesh *_this, MR_EdgeId e);

MRC_API MR_Vector3f MR_Mesh_edgeVector(const MR_Mesh *_this, MR_EdgeId e);

MRC_API MR_LineSegm3f *MR_Mesh_edgeSegment(const MR_Mesh *_this, MR_EdgeId e);

MRC_API MR_Vector3f MR_Mesh_edgePoint_2(const MR_Mesh *_this, MR_EdgeId e, float f);

MRC_API MR_Vector3f MR_Mesh_edgePoint_1(const MR_Mesh *_this, const MR_EdgePoint *ep);

MRC_API MR_Vector3f MR_Mesh_edgeCenter(const MR_Mesh *_this, MR_UndirectedEdgeId e);

MRC_API void MR_Mesh_getLeftTriPoints_4(const MR_Mesh *_this, MR_EdgeId e, MR_Vector3f *v0, MR_Vector3f *v1, MR_Vector3f *v2);

MRC_API MR_std_array_MR_Vector3f_3 MR_Mesh_getLeftTriPoints_1(const MR_Mesh *_this, MR_EdgeId e);

MRC_API void MR_Mesh_getTriPoints_4(const MR_Mesh *_this, MR_FaceId f, MR_Vector3f *v0, MR_Vector3f *v1, MR_Vector3f *v2);

MRC_API MR_std_array_MR_Vector3f_3 MR_Mesh_getTriPoints_1(const MR_Mesh *_this, MR_FaceId f);

MRC_API MR_Vector3f MR_Mesh_triPoint(const MR_Mesh *_this, const MR_MeshTriPoint *p);

MRC_API MR_Vector3f MR_Mesh_triCenter(const MR_Mesh *_this, MR_FaceId f);

MRC_API float MR_Mesh_triangleAspectRatio(const MR_Mesh *_this, MR_FaceId f);

MRC_API float MR_Mesh_circumcircleDiameterSq(const MR_Mesh *_this, MR_FaceId f);

MRC_API float MR_Mesh_circumcircleDiameter(const MR_Mesh *_this, MR_FaceId f);

MRC_API MR_MeshTriPoint *MR_Mesh_toTriPoint_1_MR_VertId(const MR_Mesh *_this, MR_VertId v);

MRC_API MR_MeshTriPoint *MR_Mesh_toTriPoint_2(const MR_Mesh *_this, MR_FaceId f, const MR_Vector3f *p);

MRC_API MR_MeshTriPoint *MR_Mesh_toTriPoint_1_MR_PointOnFace(const MR_Mesh *_this, const MR_PointOnFace *p);

MRC_API MR_EdgePoint *MR_Mesh_toEdgePoint_1(const MR_Mesh *_this, MR_VertId v);

MRC_API MR_EdgePoint *MR_Mesh_toEdgePoint_2(const MR_Mesh *_this, MR_EdgeId e, const MR_Vector3f *p);

MRC_API MR_VertId MR_Mesh_getClosestVertex_MR_PointOnFace(const MR_Mesh *_this, const MR_PointOnFace *p);

MRC_API MR_VertId MR_Mesh_getClosestVertex_MR_MeshTriPoint(const MR_Mesh *_this, const MR_MeshTriPoint *p);

MRC_API MR_UndirectedEdgeId MR_Mesh_getClosestEdge_MR_PointOnFace(const MR_Mesh *_this, const MR_PointOnFace *p);

MRC_API MR_UndirectedEdgeId MR_Mesh_getClosestEdge_MR_MeshTriPoint(const MR_Mesh *_this, const MR_MeshTriPoint *p);

MRC_API float MR_Mesh_edgeLength(const MR_Mesh *_this, MR_UndirectedEdgeId e);

MRC_API MR_UndirectedEdgeScalars *MR_Mesh_edgeLengths(const MR_Mesh *_this);

MRC_API float MR_Mesh_edgeLengthSq(const MR_Mesh *_this, MR_UndirectedEdgeId e);

MRC_API MR_Vector3f MR_Mesh_leftDirDblArea(const MR_Mesh *_this, MR_EdgeId e);

MRC_API MR_Vector3f MR_Mesh_dirDblArea_MR_FaceId(const MR_Mesh *_this, MR_FaceId f);

MRC_API float MR_Mesh_dblArea_MR_FaceId(const MR_Mesh *_this, MR_FaceId f);

MRC_API float MR_Mesh_area_MR_FaceId(const MR_Mesh *_this, MR_FaceId f);

MRC_API double MR_Mesh_area_const_MR_FaceBitSet_ptr(const MR_Mesh *_this, const MR_FaceBitSet *fs);

MRC_API MR_Vector3d MR_Mesh_dirArea(const MR_Mesh *_this, const MR_FaceBitSet *fs);

MRC_API double MR_Mesh_projArea(const MR_Mesh *_this, const MR_Vector3f *dir, const MR_FaceBitSet *fs);

MRC_API double MR_Mesh_volume(const MR_Mesh *_this, const MR_FaceBitSet *region);

MRC_API double MR_Mesh_holePerimeter(const MR_Mesh *_this, MR_EdgeId e);

MRC_API MR_Vector3d MR_Mesh_holeDirArea(const MR_Mesh *_this, MR_EdgeId e);

MRC_API MR_Vector3f MR_Mesh_leftTangent(const MR_Mesh *_this, MR_EdgeId e);

MRC_API MR_Vector3f MR_Mesh_leftNormal(const MR_Mesh *_this, MR_EdgeId e);

MRC_API MR_Vector3f MR_Mesh_normal_MR_FaceId(const MR_Mesh *_this, MR_FaceId f);

MRC_API MR_Plane3f *MR_Mesh_getPlane3f(const MR_Mesh *_this, MR_FaceId f);

MRC_API MR_Plane3d *MR_Mesh_getPlane3d(const MR_Mesh *_this, MR_FaceId f);

MRC_API MR_Vector3f MR_Mesh_dirDblArea_MR_VertId(const MR_Mesh *_this, MR_VertId v);

MRC_API float MR_Mesh_dblArea_MR_VertId(const MR_Mesh *_this, MR_VertId v);

MRC_API MR_Vector3f MR_Mesh_normal_MR_VertId(const MR_Mesh *_this, MR_VertId v);

MRC_API MR_Vector3f MR_Mesh_normal_MR_MeshTriPoint(const MR_Mesh *_this, const MR_MeshTriPoint *p);

MRC_API MR_Vector3f MR_Mesh_pseudonormal_MR_VertId(const MR_Mesh *_this, MR_VertId v, const MR_FaceBitSet *region);

MRC_API MR_Vector3f MR_Mesh_pseudonormal_MR_UndirectedEdgeId(const MR_Mesh *_this, MR_UndirectedEdgeId e, const MR_FaceBitSet *region);

MRC_API MR_Vector3f MR_Mesh_pseudonormal_MR_MeshTriPoint(const MR_Mesh *_this, const MR_MeshTriPoint *p, const MR_FaceBitSet *region);

MRC_API float MR_Mesh_signedDistance_3_MR_MeshProjectionResult(const MR_Mesh *_this, const MR_Vector3f *pt, const MR_MeshProjectionResult *proj, const MR_FaceBitSet *region);

MRC_API float MR_Mesh_signedDistance_1(const MR_Mesh *_this, const MR_Vector3f *pt);

MRC_API MR_std_optional_float *MR_Mesh_signedDistance_3_float(const MR_Mesh *_this, const MR_Vector3f *pt, float maxDistSq, const MR_FaceBitSet *region);

MRC_API float MR_Mesh_calcFastWindingNumber(const MR_Mesh *_this, const MR_Vector3f *pt, const float *beta);

MRC_API bool MR_Mesh_isOutside(const MR_Mesh *_this, const MR_Vector3f *pt, const float *windingNumberThreshold, const float *beta);

MRC_API bool MR_Mesh_isOutsideByProjNorm(const MR_Mesh *_this, const MR_Vector3f *pt, const MR_MeshProjectionResult *proj, const MR_FaceBitSet *region);

MRC_API float MR_Mesh_sumAngles(const MR_Mesh *_this, MR_VertId v, bool *outBoundaryVert);

MRC_API MR_expected_MR_VertBitSet_std_string *MR_Mesh_findSpikeVertices(const MR_Mesh *_this, float minSumAngle, const MR_VertBitSet *region, const MR_std_function_bool_from_float *cb);

MRC_API float MR_Mesh_dihedralAngleSin(const MR_Mesh *_this, MR_UndirectedEdgeId e);

MRC_API float MR_Mesh_dihedralAngleCos(const MR_Mesh *_this, MR_UndirectedEdgeId e);

MRC_API float MR_Mesh_dihedralAngle(const MR_Mesh *_this, MR_UndirectedEdgeId e);

MRC_API float MR_Mesh_discreteMeanCurvature_MR_VertId(const MR_Mesh *_this, MR_VertId v);

MRC_API float MR_Mesh_discreteMeanCurvature_MR_UndirectedEdgeId(const MR_Mesh *_this, MR_UndirectedEdgeId e);

MRC_API float MR_Mesh_discreteGaussianCurvature(const MR_Mesh *_this, MR_VertId v, bool *outBoundaryVert);

MRC_API MR_UndirectedEdgeBitSet *MR_Mesh_findCreaseEdges(const MR_Mesh *_this, float angleFromPlanar);

MRC_API float MR_Mesh_leftCotan(const MR_Mesh *_this, MR_EdgeId e);

MRC_API float MR_Mesh_cotan(const MR_Mesh *_this, MR_UndirectedEdgeId ue);

MRC_API MR_QuadraticForm3f *MR_Mesh_quadraticForm(const MR_Mesh *_this, MR_VertId v, bool angleWeigted, const MR_FaceBitSet *region, const MR_UndirectedEdgeBitSet *creases);

MRC_API MR_Box3f MR_Mesh_getBoundingBox(const MR_Mesh *_this);

MRC_API MR_Box3f MR_Mesh_computeBoundingBox_1(const MR_Mesh *_this, const MR_AffineXf3f *toWorld);

MRC_API MR_Box3f MR_Mesh_computeBoundingBox_2(const MR_Mesh *_this, const MR_FaceBitSet *region, const MR_AffineXf3f *toWorld);

MRC_API float MR_Mesh_averageEdgeLength(const MR_Mesh *_this);

MRC_API MR_Vector3f MR_Mesh_findCenterFromPoints(const MR_Mesh *_this);

MRC_API MR_Vector3f MR_Mesh_findCenterFromFaces(const MR_Mesh *_this);

MRC_API MR_Vector3f MR_Mesh_findCenterFromBBox(const MR_Mesh *_this);

MRC_API void MR_Mesh_zeroUnusedPoints(MR_Mesh *_this);

MRC_API void MR_Mesh_transform(MR_Mesh *_this, const MR_AffineXf3f *xf, const MR_VertBitSet *region);

MRC_API MR_VertId MR_Mesh_addPoint(MR_Mesh *_this, const MR_Vector3f *pos);

MRC_API MR_EdgeId MR_Mesh_addSeparateEdgeLoop(MR_Mesh *_this, const MR_std_vector_MR_Vector3f *contourPoints);

MRC_API MR_EdgeId MR_Mesh_addSeparateContours(MR_Mesh *_this, const MR_std_vector_std_vector_MR_Vector3f *contours, const MR_AffineXf3f *xf);

MRC_API void MR_Mesh_attachEdgeLoopPart(MR_Mesh *_this, MR_EdgeId first, MR_EdgeId last, const MR_std_vector_MR_Vector3f *contourPoints);

MRC_API MR_EdgeId MR_Mesh_splitEdge_4(MR_Mesh *_this, MR_EdgeId e, const MR_Vector3f *newVertPos, MR_FaceBitSet *region, MR_phmap_flat_hash_map_MR_FaceId_MR_FaceId *new2Old);
 
// same, but split given edge on two equal parts
MRC_API MR_EdgeId MR_Mesh_splitEdge_3(MR_Mesh *_this, MR_EdgeId e, MR_FaceBitSet *region, MR_phmap_flat_hash_map_MR_FaceId_MR_FaceId *new2Old);

MRC_API MR_VertId MR_Mesh_splitFace_4(MR_Mesh *_this, MR_FaceId f, const MR_Vector3f *newVertPos, MR_FaceBitSet *region, MR_phmap_flat_hash_map_MR_FaceId_MR_FaceId *new2Old);
 
// same, putting new vertex in the centroid of original triangle
MRC_API MR_VertId MR_Mesh_splitFace_3(MR_Mesh *_this, MR_FaceId f, MR_FaceBitSet *region, MR_phmap_flat_hash_map_MR_FaceId_MR_FaceId *new2Old);

MRC_API void MR_Mesh_addMesh_3(MR_Mesh *_this, const MR_Mesh *from, const MR_PartMapping *map, const bool *rearrangeTriangles);

MRC_API void MR_Mesh_addMesh_5(MR_Mesh *_this, const MR_Mesh *from, MR_FaceMap *outFmap, MR_VertMap *outVmap, MR_WholeEdgeMap *outEmap, const bool *rearrangeTriangles);

MRC_API void MR_Mesh_addMeshPart_3(MR_Mesh *_this, const MR_MeshPart *from, const MR_PartMapping *map, MR_VacantElements *vacant);

MRC_API void MR_Mesh_addMeshPart_6(MR_Mesh *_this, const MR_MeshPart *from, const bool *flipOrientation, const MR_std_vector_std_vector_MR_EdgeId *thisContours, const MR_std_vector_std_vector_MR_EdgeId *fromContours, const MR_PartMapping *map, MR_VacantElements *vacant);

MRC_API MR_Mesh *MR_Mesh_cloneRegion(const MR_Mesh *_this, const MR_FaceBitSet *region, const bool *flipOrientation, const MR_PartMapping *map);

MRC_API void MR_Mesh_pack_2_MR_PartMapping(MR_Mesh *_this, const MR_PartMapping *map, const bool *rearrangeTriangles);

MRC_API void MR_Mesh_pack_4(MR_Mesh *_this, MR_FaceMap *outFmap, MR_VertMap *outVmap, MR_WholeEdgeMap *outEmap, const bool *rearrangeTriangles);

MRC_API MR_expected_void_std_string *MR_Mesh_pack_2_MR_PackMapping(MR_Mesh *_this, const MR_PackMapping *map, MR_PassBy cb_pass_by, MR_std_function_bool_from_float *cb);

MRC_API MR_PackMapping *MR_Mesh_packOptimally_1(MR_Mesh *_this, const bool *preserveAABBTree);

MRC_API MR_expected_MR_PackMapping_std_string *MR_Mesh_packOptimally_2(MR_Mesh *_this, bool preserveAABBTree, MR_PassBy cb_pass_by, MR_std_function_bool_from_float *cb);

MRC_API MR_VacantElements *MR_Mesh_deleteFaces(MR_Mesh *_this, const MR_FaceBitSet *fs, const MR_UndirectedEdgeBitSet *keepEdges);

MRC_API bool MR_Mesh_projectPoint_5_MR_PointOnFace(const MR_Mesh *_this, const MR_Vector3f *point, MR_PointOnFace *res, const float *maxDistSq, const MR_FaceBitSet *region, const MR_AffineXf3f *xf);

MRC_API bool MR_Mesh_projectPoint_5_MR_MeshProjectionResult(const MR_Mesh *_this, const MR_Vector3f *point, MR_MeshProjectionResult *res, const float *maxDistSq, const MR_FaceBitSet *region, const MR_AffineXf3f *xf);

MRC_API bool MR_Mesh_findClosestPoint_5(const MR_Mesh *_this, const MR_Vector3f *point, MR_MeshProjectionResult *res, const float *maxDistSq, const MR_FaceBitSet *region, const MR_AffineXf3f *xf);

MRC_API MR_MeshProjectionResult *MR_Mesh_projectPoint_4(const MR_Mesh *_this, const MR_Vector3f *point, const float *maxDistSq, const MR_FaceBitSet *region, const MR_AffineXf3f *xf);

MRC_API MR_MeshProjectionResult *MR_Mesh_findClosestPoint_4(const MR_Mesh *_this, const MR_Vector3f *point, const float *maxDistSq, const MR_FaceBitSet *region, const MR_AffineXf3f *xf);

MRC_API const MR_AABBTree *MR_Mesh_getAABBTree(const MR_Mesh *_this);

MRC_API const MR_AABBTree *MR_Mesh_getAABBTreeNotCreate(const MR_Mesh *_this);

MRC_API const MR_AABBTreePoints *MR_Mesh_getAABBTreePoints(const MR_Mesh *_this);

MRC_API const MR_AABBTreePoints *MR_Mesh_getAABBTreePointsNotCreate(const MR_Mesh *_this);

MRC_API const MR_Dipoles *MR_Mesh_getDipoles(const MR_Mesh *_this);

MRC_API const MR_Dipoles *MR_Mesh_getDipolesNotCreate(const MR_Mesh *_this);

MRC_API void MR_Mesh_invalidateCaches(MR_Mesh *_this, const bool *pointsChanged);

MRC_API void MR_Mesh_updateCaches(MR_Mesh *_this, const MR_VertBitSet *changedVerts);
 
// returns the amount of memory this object occupies on heap
MRC_API size_t MR_Mesh_heapBytes(const MR_Mesh *_this);

MRC_API void MR_Mesh_shrinkToFit(MR_Mesh *_this);

MRC_API void MR_Mesh_mirror(MR_Mesh *_this, const MR_Plane3f *plane);
 
#ifdef __cplusplus
} // extern "C"
#endif