375 lines
16 KiB
C
375 lines
16 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): (mar-2001 nzc)
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*
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* ***** END GPL LICENSE BLOCK *****
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*/
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#ifndef __BKE_MESH_H__
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#define __BKE_MESH_H__
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/** \file BKE_mesh.h
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* \ingroup bke
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*/
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struct ID;
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struct BoundBox;
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struct EdgeHash;
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struct ListBase;
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struct LinkNode;
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struct BLI_Stack;
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struct MemArena;
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struct BMesh;
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struct Main;
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struct Mesh;
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struct MPoly;
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struct MLoop;
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struct MFace;
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struct MEdge;
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struct MVert;
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struct MDeformVert;
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struct Object;
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struct CustomData;
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struct DerivedMesh;
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struct Scene;
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struct MLoopUV;
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struct ReportList;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* setting zero so we can catch bugs in OpenMP/BMesh */
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#ifdef DEBUG
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# define BKE_MESH_OMP_LIMIT 0
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#else
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# define BKE_MESH_OMP_LIMIT 10000
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#endif
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/* *** mesh.c *** */
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struct BMesh *BKE_mesh_to_bmesh(struct Mesh *me, struct Object *ob);
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int poly_find_loop_from_vert(
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const struct MPoly *poly,
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const struct MLoop *loopstart,
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unsigned vert);
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int poly_get_adj_loops_from_vert(
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unsigned r_adj[2], const struct MPoly *poly,
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const struct MLoop *mloop, unsigned vert);
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int BKE_mesh_edge_other_vert(const struct MEdge *e, int v);
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void BKE_mesh_unlink(struct Mesh *me);
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void BKE_mesh_free(struct Mesh *me, int unlink);
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struct Mesh *BKE_mesh_add(struct Main *bmain, const char *name);
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struct Mesh *BKE_mesh_copy_ex(struct Main *bmain, struct Mesh *me);
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struct Mesh *BKE_mesh_copy(struct Mesh *me);
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void BKE_mesh_update_customdata_pointers(struct Mesh *me, const bool do_ensure_tess_cd);
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void BKE_mesh_ensure_skin_customdata(struct Mesh *me);
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void BKE_mesh_make_local(struct Mesh *me);
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void BKE_mesh_boundbox_calc(struct Mesh *me, float r_loc[3], float r_size[3]);
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void BKE_mesh_texspace_calc(struct Mesh *me);
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float (*BKE_mesh_orco_verts_get(struct Object *ob))[3];
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void BKE_mesh_orco_verts_transform(struct Mesh *me, float (*orco)[3], int totvert, int invert);
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int test_index_face(struct MFace *mface, struct CustomData *mfdata, int mfindex, int nr);
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struct Mesh *BKE_mesh_from_object(struct Object *ob);
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void BKE_mesh_assign_object(struct Object *ob, struct Mesh *me);
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void BKE_mesh_from_metaball(struct ListBase *lb, struct Mesh *me);
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int BKE_mesh_nurbs_to_mdata(struct Object *ob, struct MVert **allvert, int *totvert,
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struct MEdge **alledge, int *totedge, struct MLoop **allloop, struct MPoly **allpoly,
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int *totloop, int *totpoly);
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int BKE_mesh_nurbs_displist_to_mdata(struct Object *ob, struct ListBase *dispbase, struct MVert **allvert, int *_totvert,
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struct MEdge **alledge, int *_totedge, struct MLoop **allloop, struct MPoly **allpoly,
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struct MLoopUV **alluv, int *_totloop, int *_totpoly);
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void BKE_mesh_from_nurbs_displist(struct Object *ob, struct ListBase *dispbase, const bool use_orco_uv);
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void BKE_mesh_from_nurbs(struct Object *ob);
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void BKE_mesh_to_curve_nurblist(struct DerivedMesh *dm, struct ListBase *nurblist, const int edge_users_test);
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void BKE_mesh_to_curve(struct Scene *scene, struct Object *ob);
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void BKE_mesh_material_index_remove(struct Mesh *me, short index);
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void BKE_mesh_material_index_clear(struct Mesh *me);
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void BKE_mesh_material_remap(struct Mesh *me, const unsigned int *remap, unsigned int remap_len);
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void BKE_mesh_smooth_flag_set(struct Object *meshOb, int enableSmooth);
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const char *BKE_mesh_cmp(struct Mesh *me1, struct Mesh *me2, float thresh);
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struct BoundBox *BKE_mesh_boundbox_get(struct Object *ob);
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void BKE_mesh_texspace_get(struct Mesh *me, float r_loc[3], float r_rot[3], float r_size[3]);
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void BKE_mesh_texspace_copy_from_object(struct Mesh *me, struct Object *ob);
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bool BKE_mesh_uv_cdlayer_rename_index(struct Mesh *me, const int poly_index, const int loop_index, const int face_index,
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const char *new_name, const bool do_tessface);
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bool BKE_mesh_uv_cdlayer_rename(struct Mesh *me, const char *old_name, const char *new_name, bool do_tessface);
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float (*BKE_mesh_vertexCos_get(const struct Mesh *me, int *r_numVerts))[3];
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void BKE_mesh_calc_normals_split(struct Mesh *mesh);
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void BKE_mesh_split_faces(struct Mesh *mesh);
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struct Mesh *BKE_mesh_new_from_object(struct Main *bmain, struct Scene *sce, struct Object *ob,
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int apply_modifiers, int settings, int calc_tessface, int calc_undeformed);
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/* vertex level transformations & checks (no derived mesh) */
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bool BKE_mesh_minmax(struct Mesh *me, float r_min[3], float r_max[3]);
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void BKE_mesh_transform(struct Mesh *me, float mat[4][4], bool do_keys);
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void BKE_mesh_translate(struct Mesh *me, const float offset[3], const bool do_keys);
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void BKE_mesh_ensure_navmesh(struct Mesh *me);
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void BKE_mesh_tessface_calc(struct Mesh *mesh);
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void BKE_mesh_tessface_ensure(struct Mesh *mesh);
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void BKE_mesh_tessface_clear(struct Mesh *mesh);
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void BKE_mesh_do_versions_cd_flag_init(struct Mesh *mesh);
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void BKE_mesh_mselect_clear(struct Mesh *me);
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void BKE_mesh_mselect_validate(struct Mesh *me);
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int BKE_mesh_mselect_find(struct Mesh *me, int index, int type);
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int BKE_mesh_mselect_active_get(struct Mesh *me, int type);
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void BKE_mesh_mselect_active_set(struct Mesh *me, int index, int type);
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/* *** mesh_evaluate.c *** */
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void BKE_mesh_calc_normals_mapping(
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struct MVert *mverts, int numVerts,
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struct MLoop *mloop, struct MPoly *mpolys, int numLoops, int numPolys, float (*r_polyNors)[3],
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struct MFace *mfaces, int numFaces, const int *origIndexFace, float (*r_faceNors)[3]);
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void BKE_mesh_calc_normals_mapping_ex(
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struct MVert *mverts, int numVerts,
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struct MLoop *mloop, struct MPoly *mpolys, int numLoops, int numPolys, float (*r_polyNors)[3],
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struct MFace *mfaces, int numFaces, const int *origIndexFace, float (*r_faceNors)[3],
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const bool only_face_normals);
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void BKE_mesh_calc_normals_poly(
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struct MVert *mverts, int numVerts,
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struct MLoop *mloop, struct MPoly *mpolys,
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int numLoops, int numPolys, float (*r_polyNors)[3],
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const bool only_face_normals);
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void BKE_mesh_calc_normals(struct Mesh *me);
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void BKE_mesh_calc_normals_tessface(
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struct MVert *mverts, int numVerts,
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struct MFace *mfaces, int numFaces,
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float (*r_faceNors)[3]);
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void BKE_mesh_loop_tangents_ex(
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struct MVert *mverts, const int numVerts, struct MLoop *mloops, float (*r_looptangent)[4], float (*loopnors)[3],
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struct MLoopUV *loopuv, const int numLoops, struct MPoly *mpolys, const int numPolys,
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struct ReportList *reports);
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void BKE_mesh_loop_tangents(
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struct Mesh *mesh, const char *uvmap, float (*r_looptangents)[4], struct ReportList *reports);
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/**
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* References a contiguous loop-fan with normal offset vars.
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*/
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typedef struct MLoopNorSpace {
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float vec_lnor[3]; /* Automatically computed loop normal. */
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float vec_ref[3]; /* Reference vector, orthogonal to vec_lnor. */
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float vec_ortho[3]; /* Third vector, orthogonal to vec_lnor and vec_ref. */
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float ref_alpha; /* Reference angle, around vec_ortho, in ]0, pi] range (0.0 marks that space as invalid). */
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float ref_beta; /* Reference angle, around vec_lnor, in ]0, 2pi] range (0.0 marks that space as invalid). */
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struct LinkNode *loops; /* All indices (uint_in_ptr) of loops using this lnor space (i.e. smooth fan of loops). */
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} MLoopNorSpace;
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/**
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* Collection of #MLoopNorSpace basic storage & pre-allocation.
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*/
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typedef struct MLoopNorSpaceArray {
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MLoopNorSpace **lspacearr; /* MLoop aligned array */
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struct LinkNode *loops_pool; /* Allocated once, avoids to call BLI_linklist_prepend_arena() for each loop! */
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struct MemArena *mem;
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} MLoopNorSpaceArray;
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void BKE_lnor_spacearr_init(MLoopNorSpaceArray *lnors_spacearr, const int numLoops);
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void BKE_lnor_spacearr_clear(MLoopNorSpaceArray *lnors_spacearr);
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void BKE_lnor_spacearr_free(MLoopNorSpaceArray *lnors_spacearr);
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MLoopNorSpace *BKE_lnor_space_create(MLoopNorSpaceArray *lnors_spacearr);
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void BKE_lnor_space_define(
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MLoopNorSpace *lnor_space, const float lnor[3], float vec_ref[3], float vec_other[3],
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struct BLI_Stack *edge_vectors);
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void BKE_lnor_space_add_loop(
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MLoopNorSpaceArray *lnors_spacearr, MLoopNorSpace *lnor_space, const int ml_index, const bool add_to_list);
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void BKE_lnor_space_custom_data_to_normal(MLoopNorSpace *lnor_space, const short clnor_data[2], float r_custom_lnor[3]);
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void BKE_lnor_space_custom_normal_to_data(MLoopNorSpace *lnor_space, const float custom_lnor[3], short r_clnor_data[2]);
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bool BKE_mesh_has_custom_loop_normals(struct Mesh *me);
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void BKE_mesh_normals_loop_split(struct MVert *mverts, const int numVerts, struct MEdge *medges, const int numEdges,
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struct MLoop *mloops, float (*r_loopnors)[3], const int numLoops,
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struct MPoly *mpolys, const float (*polynors)[3], const int numPolys,
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const bool use_split_normals, float split_angle,
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MLoopNorSpaceArray *r_lnors_spacearr, short (*clnors_data)[2], int *r_loop_to_poly);
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void BKE_mesh_normals_loop_custom_set(
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struct MVert *mverts, const int numVerts, struct MEdge *medges, const int numEdges,
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struct MLoop *mloops, float (*custom_loopnors)[3], const int numLoops,
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struct MPoly *mpolys, const float (*polynors)[3], const int numPolys,
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short (*r_clnors_data)[2]);
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void BKE_mesh_normals_loop_custom_from_vertices_set(
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struct MVert *mverts, float (*custom_vertnors)[3], const int numVerts,
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struct MEdge *medges, const int numEdges, struct MLoop *mloops, const int numLoops,
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struct MPoly *mpolys, const float (*polynors)[3], const int numPolys,
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short (*r_clnors_data)[2]);
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void BKE_mesh_calc_poly_normal(
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struct MPoly *mpoly, struct MLoop *loopstart,
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struct MVert *mvarray, float no[3]);
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void BKE_mesh_calc_poly_normal_coords(
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struct MPoly *mpoly, struct MLoop *loopstart,
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const float (*vertex_coords)[3], float no[3]);
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void BKE_mesh_calc_poly_center(
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struct MPoly *mpoly, struct MLoop *loopstart,
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struct MVert *mvarray, float cent[3]);
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float BKE_mesh_calc_poly_area(
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struct MPoly *mpoly, struct MLoop *loopstart,
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struct MVert *mvarray);
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void BKE_mesh_calc_poly_angles(
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struct MPoly *mpoly, struct MLoop *loopstart,
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struct MVert *mvarray, float angles[]);
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void BKE_mesh_poly_edgehash_insert(
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struct EdgeHash *ehash,
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const struct MPoly *mp, const struct MLoop *mloop);
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void BKE_mesh_poly_edgebitmap_insert(
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unsigned int *edge_bitmap,
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const struct MPoly *mp, const struct MLoop *mloop);
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bool BKE_mesh_center_median(struct Mesh *me, float cent[3]);
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bool BKE_mesh_center_bounds(struct Mesh *me, float cent[3]);
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bool BKE_mesh_center_centroid(struct Mesh *me, float cent[3]);
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void BKE_mesh_calc_volume(struct MVert *mverts, int numVerts,
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struct MFace *mfaces, int numFaces,
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float *r_vol, float *r_com);
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/* tessface */
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void BKE_mesh_loops_to_mface_corners(
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struct CustomData *fdata, struct CustomData *ldata,
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struct CustomData *pdata, unsigned int lindex[4], int findex,
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const int polyindex, const int mf_len,
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const int numTex, const int numCol,
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const bool hasPCol, const bool hasOrigSpace, const bool hasLNor);
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void BKE_mesh_loops_to_tessdata(
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struct CustomData *fdata, struct CustomData *ldata, struct CustomData *pdata, struct MFace *mface,
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int *polyindices, unsigned int (*loopindices)[4], const int num_faces);
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int BKE_mesh_recalc_tessellation(
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struct CustomData *fdata, struct CustomData *ldata, struct CustomData *pdata,
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struct MVert *mvert,
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int totface, int totloop, int totpoly,
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const bool do_face_nor_copy);
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int BKE_mesh_mpoly_to_mface(
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struct CustomData *fdata, struct CustomData *ldata,
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struct CustomData *pdata, int totface, int totloop, int totpoly);
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void BKE_mesh_convert_mfaces_to_mpolys(struct Mesh *mesh);
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void BKE_mesh_do_versions_convert_mfaces_to_mpolys(struct Mesh *mesh);
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void BKE_mesh_convert_mfaces_to_mpolys_ex(
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struct ID *id,
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struct CustomData *fdata, struct CustomData *ldata, struct CustomData *pdata,
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int totedge_i, int totface_i, int totloop_i, int totpoly_i,
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struct MEdge *medge, struct MFace *mface,
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int *r_totloop, int *r_totpoly,
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struct MLoop **r_mloop, struct MPoly **r_mpoly);
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/* flush flags */
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void BKE_mesh_flush_hidden_from_verts_ex(
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const struct MVert *mvert,
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const struct MLoop *mloop,
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struct MEdge *medge, const int totedge,
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struct MPoly *mpoly, const int totpoly);
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void BKE_mesh_flush_hidden_from_verts(struct Mesh *me);
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void BKE_mesh_flush_hidden_from_polys_ex(
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struct MVert *mvert,
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const struct MLoop *mloop,
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struct MEdge *medge, const int totedge,
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const struct MPoly *mpoly, const int totpoly);
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void BKE_mesh_flush_hidden_from_polys(struct Mesh *me);
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void BKE_mesh_flush_select_from_polys_ex(
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struct MVert *mvert, const int totvert,
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const struct MLoop *mloop,
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struct MEdge *medge, const int totedge,
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const struct MPoly *mpoly, const int totpoly);
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void BKE_mesh_flush_select_from_polys(struct Mesh *me);
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void BKE_mesh_flush_select_from_verts_ex(
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const struct MVert *mvert, const int totvert,
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const struct MLoop *mloop,
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struct MEdge *medge, const int totedge,
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struct MPoly *mpoly, const int totpoly);
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void BKE_mesh_flush_select_from_verts(struct Mesh *me);
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/* spatial evaluation */
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void BKE_mesh_calc_relative_deform(
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const struct MPoly *mpoly, const int totpoly,
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const struct MLoop *mloop, const int totvert,
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const float (*vert_cos_src)[3],
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const float (*vert_cos_dst)[3],
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const float (*vert_cos_org)[3],
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float (*vert_cos_new)[3]);
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/* *** mesh_validate.c *** */
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int BKE_mesh_validate(struct Mesh *me, const int do_verbose, const int cddata_check_mask);
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void BKE_mesh_cd_validate(struct Mesh *me);
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int BKE_mesh_validate_material_indices(struct Mesh *me);
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bool BKE_mesh_validate_arrays(
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struct Mesh *me,
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struct MVert *mverts, unsigned int totvert,
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struct MEdge *medges, unsigned int totedge,
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struct MFace *mfaces, unsigned int totface,
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struct MLoop *mloops, unsigned int totloop,
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struct MPoly *mpolys, unsigned int totpoly,
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struct MDeformVert *dverts, /* assume totvert length */
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const bool do_verbose, const bool do_fixes,
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bool *r_change);
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bool BKE_mesh_validate_all_customdata(
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struct CustomData *vdata, struct CustomData *edata,
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struct CustomData *ldata, struct CustomData *pdata,
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const bool check_meshmask,
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const bool do_verbose, const bool do_fixes,
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bool *r_change);
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void BKE_mesh_strip_loose_faces(struct Mesh *me);
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void BKE_mesh_strip_loose_polysloops(struct Mesh *me);
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void BKE_mesh_strip_loose_edges(struct Mesh *me);
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void BKE_mesh_calc_edges_legacy(struct Mesh *me, const bool use_old);
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void BKE_mesh_calc_edges(struct Mesh *mesh, bool update, const bool select);
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/* **** Depsgraph evaluation **** */
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struct EvaluationContext;
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void BKE_mesh_eval_geometry(struct EvaluationContext *eval_ctx,
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struct Mesh *mesh);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __BKE_MESH_H__ */
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