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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 there shouldn't be used directly.
* if absolutely necessary, see function definitions in code for
* descriptive comments. but seriously, don't use this stuff.
*/
/* LOOP CYCLE MANAGEMENT */
bool bmesh_loop_validate(BMFace *f) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
/* DISK CYCLE MANAGMENT */
void bmesh_disk_edge_append(BMEdge *e, BMVert *v) ATTR_NONNULL();
void bmesh_disk_edge_remove(BMEdge *e, BMVert *v) ATTR_NONNULL();
BLI_INLINE BMEdge *bmesh_disk_edge_next_safe(const BMEdge *e, const BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
BLI_INLINE BMEdge *bmesh_disk_edge_prev_safe(const BMEdge *e, const BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
BLI_INLINE BMEdge *bmesh_disk_edge_next(const BMEdge *e, const BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
BLI_INLINE BMEdge *bmesh_disk_edge_prev(const BMEdge *e, const BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
int bmesh_disk_facevert_count(const BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
BMEdge *bmesh_disk_faceedge_find_first(const BMEdge *e, const BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
BMEdge *bmesh_disk_faceedge_find_next(const BMEdge *e, const BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
/* RADIAL CYCLE MANAGMENT */
void bmesh_radial_append(BMEdge *e, BMLoop *l) ATTR_NONNULL();
void bmesh_radial_loop_remove(BMLoop *l, BMEdge *e) ATTR_NONNULL(1);
/* note:
* bmesh_radial_loop_next(BMLoop *l) / prev.
* just use member access l->radial_next, l->radial_prev now */
int bmesh_radial_facevert_count(const BMLoop *l, const BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
bool bmesh_radial_facevert_check(const BMLoop *l, const BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
BMLoop *bmesh_radial_faceloop_find_first(const BMLoop *l, const BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
BMLoop *bmesh_radial_faceloop_find_next(const BMLoop *l, const BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
BMLoop *bmesh_radial_faceloop_find_vert(const BMFace *f, const BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
bool bmesh_radial_validate(int radlen, BMLoop *l) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
/* EDGE UTILITIES */
bool bmesh_edge_swapverts(BMEdge *e, BMVert *v_orig, BMVert *v_new) ATTR_NONNULL();
BMEdge *bmesh_disk_edge_exists(const BMVert *v1, const BMVert *v2) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
bool bmesh_disk_validate(int len, BMEdge *e, BMVert *v) ATTR_WARN_UNUSED_RESULT ATTR_NONNULL();
#include "intern/bmesh_structure_inline.h"
#endif /* __BMESH_STRUCTURE_H__ */
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