quakeforge/tools/qfbsp/include/winding.h
2010-10-13 20:52:06 +09:00

44 lines
1.4 KiB
C

/*
Copyright (C) 1996-1997 Id Software, Inc.
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
See file, 'COPYING', for details.
$Id$
*/
#ifndef qfbsp_winding_h
#define qfbsp_winding_h
#include "QF/mathlib.h"
struct plane_s;
typedef struct winding_s {
int numpoints;
vec3_t points[8]; // variable sized
} winding_t;
winding_t *BaseWindingForPlane (struct plane_s *p);
winding_t *NewWinding (int points);
void FreeWinding (winding_t *w);
winding_t *CopyWinding (winding_t *w);
winding_t *CopyWindingReverse (winding_t *w);
winding_t *ClipWinding (winding_t *in, struct plane_s *split, qboolean keepon);
void DivideWinding (winding_t *in, struct plane_s *split,
winding_t **front, winding_t **back);
#endif//qfbsp_winding_h