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/*
* 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.
*/
/** \file blender/bmesh/intern/bmesh_structure_inline.h
* \ingroup bmesh
*
* BMesh inline operator functions.
*/
#ifndef __BMESH_STRUCTURE_INLINE_H__
#define __BMESH_STRUCTURE_INLINE_H__
ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1, 2)
BLI_INLINE BMDiskLink *bmesh_disk_edge_link_from_vert(const BMEdge *e, const BMVert *v)
{
BLI_assert(BM_vert_in_edge(e, v));
return (BMDiskLink *)&(&e->v1_disk_link)[v == e->v2];
}
/**
* \brief Next Disk Edge
*
* Find the next edge in a disk cycle
*
* \return Pointer to the next edge in the disk cycle for the vertex v.
*/
ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1)
BLI_INLINE BMEdge *bmesh_disk_edge_next_safe(const BMEdge *e, const BMVert *v)
{
if (v == e->v1)
return e->v1_disk_link.next;
if (v == e->v2)
return e->v2_disk_link.next;
return NULL;
}
ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1)
BLI_INLINE BMEdge *bmesh_disk_edge_prev_safe(const BMEdge *e, const BMVert *v)
{
if (v == e->v1)
return e->v1_disk_link.prev;
if (v == e->v2)
return e->v2_disk_link.prev;
return NULL;
}
ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1, 2)
BLI_INLINE BMEdge *bmesh_disk_edge_next(const BMEdge *e, const BMVert *v)
{
return BM_DISK_EDGE_NEXT(e, v);
}
ATTR_WARN_UNUSED_RESULT ATTR_NONNULL(1, 2)
BLI_INLINE BMEdge *bmesh_disk_edge_prev(const BMEdge *e, const BMVert *v)
{
return BM_DISK_EDGE_PREV(e, v);
}
#endif /* __BMESH_STRUCTURE_INLINE_H__ */
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