apps/plugins/doom/r_bsp.h

   1 /* Emacs style mode select   -*- C++ -*-
   2  *-----------------------------------------------------------------------------
   3  *
   4  *
   5  *  PrBoom a Doom port merged with LxDoom and LSDLDoom
   6  *  based on BOOM, a modified and improved DOOM engine
   7  *  Copyright (C) 1999 by
   8  *  id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
   9  *  Copyright (C) 1999-2000 by
  10  *  Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
  11  *
  12  *  This program is free software; you can redistribute it and/or
  13  *  modify it under the terms of the GNU General Public License
  14  *  as published by the Free Software Foundation; either version 2
  15  *  of the License, or (at your option) any later version.
  16  *
  17  *  This program is distributed in the hope that it will be useful,
  18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20  *  GNU General Public License for more details.
  21  *
  22  *  You should have received a copy of the GNU General Public License
  23  *  along with this program; if not, write to the Free Software
  24  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
  25  *  02111-1307, USA.
  26  *
  27  * DESCRIPTION:
  28  *      Refresh module, BSP traversal and handling.
  29  *
  30  *-----------------------------------------------------------------------------*/
  31
  32 #ifndef __R_BSP__
  33 #define __R_BSP__
  34
  35 #ifdef __GNUG__
  36 #pragma interface
  37 #endif
  38
  39 extern seg_t    *curline;
  40 extern side_t   *sidedef;
  41 extern line_t   *linedef;
  42 extern sector_t *frontsector;
  43 extern sector_t *backsector;
  44 extern int      rw_x;
  45 extern int      rw_stopx;
  46 extern boolean  segtextured;
  47 extern boolean  markfloor;      /* false if the back side is the same plane */
  48 extern boolean  markceiling;
  49
  50 /* old code -- killough:
  51  * extern drawseg_t drawsegs[MAXDRAWSEGS];
  52  * new code -- killough: */
  53 extern drawseg_t *drawsegs;
  54 extern unsigned maxdrawsegs;
  55
  56 extern drawseg_t *ds_p;
  57
  58 void R_ClearClipSegs(void);
  59 void R_ClearDrawSegs(void);
  60 void R_RenderBSPNode(int bspnum);
  61 int R_DoorClosed(void);   /* killough 1/17/98 */
  62
  63 /* killough 4/13/98: fake floors/ceilings for deep water / fake ceilings: */
  64 sector_t *R_FakeFlat(sector_t *, sector_t *, int *, int *, boolean);
  65
  66 #endif