mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-26 22:31:05 +00:00
83 lines
2.5 KiB
C
83 lines
2.5 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_csg4_h
|
|
#define qfbsp_csg4_h
|
|
|
|
#include "QF/bspfile.h"
|
|
|
|
struct plane_s;
|
|
struct visfacet_s;
|
|
struct brushset_s;
|
|
struct surface_s;
|
|
|
|
extern struct visfacet_s *validfaces[MAX_MAP_PLANES];
|
|
|
|
/** Build the surface lists for the brushset.
|
|
|
|
Each plane still with faces after clipping will have one surface, and
|
|
each surface will list the faces on that plane.
|
|
|
|
\return Chain of all the external surfaces with one or more
|
|
visible faces.
|
|
*/
|
|
struct surface_s *BuildSurfaces (void);
|
|
|
|
/** Create a duplicate face.
|
|
|
|
Duplicates the non point information of a face.
|
|
|
|
\param in The face to duplicate.
|
|
\return The new face.
|
|
|
|
*/
|
|
struct visfacet_s *NewFaceFromFace (const struct visfacet_s *in);
|
|
|
|
/** Convert a brush-set to a list of clipped faces.
|
|
|
|
The brushes of the brush set will be clipped against each other.
|
|
|
|
\param bs The brush-set to convert.
|
|
\return list of surfaces containing all of the faces
|
|
*/
|
|
struct surface_s *CSGFaces (struct brushset_s *bs);
|
|
|
|
/** Split a face by a plane.
|
|
|
|
\param in The face to split.
|
|
\param split The plane by which to split the face.
|
|
\param front Set to the new face repesenting the part of the input
|
|
face that is in front of the plane, or NULL if there is
|
|
no front portion.
|
|
\param back Set to the new face repesenting the part of the input
|
|
face that is behind the plane, or NULL if there is
|
|
no back portion.
|
|
\note A face entirely on the plane is considered to be behind the plane.
|
|
|
|
\note The face represented by \a in becomes invalid. If either \a front
|
|
or \a back is NULL, then no split has occurred and the other will be set
|
|
to \a in.
|
|
*/
|
|
void SplitFace (struct visfacet_s *in, struct plane_s *split,
|
|
struct visfacet_s **front, struct visfacet_s **back);
|
|
|
|
#endif//qfbsp_csg4_h
|