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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.
*
* The Original Code is Copyright (C) 2004 Blender Foundation.
* All rights reserved.
*/
#pragma once
/** \file
* \ingroup bmesh
*
* Private function prototypes for bmesh public API.
* This file is a grab-bag of functions from various
* parts of the bmesh internals.
*/
/* returns positive nonzero on error */
#ifdef NDEBUG
/* No error checking for release,
* it can take most of the CPU time when running some tools. */
# define BM_CHECK_ELEMENT(el) (void)(el)
#else
/**
* Check the element is valid.
*
* BMESH_TODO, when this raises an error the output is incredibly confusing.
* need to have some nice way to print/debug what the heck's going on.
*/
int bmesh_elem_check(void *element, const char htype);
# define BM_CHECK_ELEMENT(el) \
{ \
if (bmesh_elem_check(el, ((BMHeader *)el)->htype)) { \
printf( \
"check_element failure, with code %i on line %i in file\n" \
" \"%s\"\n\n", \
bmesh_elem_check(el, ((BMHeader *)el)->htype), \
__LINE__, \
__FILE__); \
} \
} \
((void)0)
#endif
int bmesh_radial_length(const BMLoop *l);
int bmesh_disk_count_at_most(const BMVert *v, const int count_max);
int bmesh_disk_count(const BMVert *v);
/**
* Internal BMHeader.api_flag
* \note Ensure different parts of the API do not conflict
* on using these internal flags!
*/
enum {
_FLAG_JF = (1 << 0), /* Join faces. */
_FLAG_MF = (1 << 1), /* Make face. */
_FLAG_MV = (1 << 1), /* Make face, vertex. */
_FLAG_OVERLAP = (1 << 2), /* General overlap flag. */
_FLAG_WALK = (1 << 3), /* General walk flag (keep clean). */
_FLAG_WALK_ALT = (1 << 4), /* Same as #_FLAG_WALK, for when a second tag is needed. */
_FLAG_ELEM_CHECK = (1 << 7), /* Reserved for bmesh_elem_check. */
};
#define BM_ELEM_API_FLAG_ENABLE(element, f) \
{ \
((element)->head.api_flag |= (f)); \
} \
(void)0
#define BM_ELEM_API_FLAG_DISABLE(element, f) \
{ \
((element)->head.api_flag &= (uchar) ~(f)); \
} \
(void)0
#define BM_ELEM_API_FLAG_TEST(element, f) ((element)->head.api_flag & (f))
#define BM_ELEM_API_FLAG_CLEAR(element) \
{ \
((element)->head.api_flag = 0); \
} \
(void)0
/**
* \brief POLY ROTATE PLANE
*
* Rotates a polygon so that its
* normal is pointing towards the mesh Z axis
*/
void poly_rotate_plane(const float normal[3], float (*verts)[3], const uint nverts);
/* include the rest of our private declarations */
#include "bmesh_structure.h"
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