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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2004 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Geoffrey Bantle.
*
* ***** END GPL LICENSE BLOCK *****
*/
#ifndef __BMESH_STRUCTURE_H__
#define __BMESH_STRUCTURE_H__
/** \file blender/bmesh/intern/bmesh_structure.h
* \ingroup bmesh
*
* The lowest level of functionality for manipulating bmesh structures.
* None of these functions should ever be exported to the rest of Blender.
*
* in the vast majority of cases thes should not be used directly.
* if absolutely necassary, see function defitions in code for
* descriptive comments. but seriously, don't use this stuff.
*/
struct ListBase;
void remove_loop_radial_link(BMLoop *l);
/*DOUBLE CIRCULAR LINKED LIST FUNCTIONS*/
void bmesh_cycle_append(void *h, void *nt);
int bmesh_cycle_remove(void *h, void *remn);
int bmesh_cycle_validate(int len, void *h);
int bmesh_cycle_length(void *h);
/* LOOP CYCLE MANAGEMENT */
int bmesh_loop_validate(BMFace *f);
/*DISK CYCLE MANAGMENT*/
int bmesh_disk_append_edge(struct BMEdge *e, struct BMVert *v);
void bmesh_disk_remove_edge(struct BMEdge *e, struct BMVert *v);
struct BMEdge *bmesh_disk_nextedge(struct BMEdge *e, struct BMVert *v);
struct BMNode *bmesh_disk_getpointer(struct BMEdge *e, struct BMVert *v);
int bmesh_disk_count_facevert(struct BMVert *v);
struct BMEdge *bmesh_disk_find_first_faceedge(struct BMEdge *e, struct BMVert *v);
struct BMEdge *bmesh_disk_find_next_faceedge(struct BMEdge *e, struct BMVert *v);
/*RADIAL CYCLE MANAGMENT*/
void bmesh_radial_append(struct BMEdge *e, struct BMLoop *l);
void bmesh_radial_remove_loop(struct BMLoop *l, struct BMEdge *e);
int bmesh_radial_find_face(struct BMEdge *e, struct BMFace *f);
struct BMLoop *bmesh_radial_nextloop(struct BMLoop *l);
int bmesh_radial_count_facevert(struct BMLoop *l, struct BMVert *v);
struct BMLoop *bmesh_radial_find_first_facevert(struct BMLoop *l, struct BMVert *v);
struct BMLoop *bmesh_radial_find_next_facevert(struct BMLoop *l, struct BMVert *v);
int bmesh_radial_validate(int radlen, struct BMLoop *l);
/*EDGE UTILITIES*/
int bmesh_vert_in_edge(struct BMEdge *e, struct BMVert *v);
int bmesh_verts_in_edge(struct BMVert *v1, struct BMVert *v2, struct BMEdge *e);
int bmesh_edge_swapverts(struct BMEdge *e, struct BMVert *orig, struct BMVert *newv); /*relink edge*/
struct BMVert *bmesh_edge_getothervert(struct BMEdge *e, struct BMVert *v);
int bmesh_disk_hasedge(struct BMVert *v, struct BMEdge *e);
struct BMEdge *bmesh_disk_existedge(BMVert *v1, BMVert *v2);
struct BMEdge *bmesh_disk_next_edgeflag(struct BMEdge *e, struct BMVert *v, int eflag, int tflag);
int bmesh_disk_count_edgeflag(struct BMVert *v, int eflag, int tflag);
int bmesh_disk_validate(int len, struct BMEdge *e, struct BMVert *v);
/*EULER API - For modifying structure*/
struct BMVert *bmesh_mv(struct BMesh *bm, float *vec);
struct BMEdge *bmesh_me(struct BMesh *bm, struct BMVert *v1, struct BMVert *v2);
struct BMFace *bmesh_mf(struct BMesh *bm, struct BMVert *v1, struct BMVert *v2, struct BMEdge **elist, int len);
int bmesh_kv(struct BMesh *bm, struct BMVert *v);
int bmesh_ke(struct BMesh *bm, struct BMEdge *e);
int bmesh_kf(struct BMesh *bm, struct BMFace *bply);
struct BMVert *bmesh_semv(struct BMesh *bm, struct BMVert *tv, struct BMEdge *e, struct BMEdge **re);
struct BMFace *bmesh_sfme(struct BMesh *bm, struct BMFace *f, struct BMVert *v1,
struct BMVert *v2, struct BMLoop **rl, struct ListBase *holes);
int bmesh_jekv(struct BMesh *bm, struct BMEdge *ke, struct BMVert *kv);
int bmesh_loop_reverse(struct BMesh *bm, struct BMFace *f);
struct BMFace *bmesh_jfke(struct BMesh *bm, struct BMFace *f1, struct BMFace *f2, struct BMEdge *e);
struct BMVert *bmesh_urmv(struct BMesh *bm, struct BMFace *sf, struct BMVert *sv);
//int *bmesh_grkv(struct BMesh *bm, struct BMFace *sf, struct BMVert *kv);
#endif /* __BMESH_STRUCTURE_H__ */
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