apps/plugins/doom/m_bbox.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  *    Simple bounding box datatype and functions.
  29  *
  30  *-----------------------------------------------------------------------------*/
  31
  32
  33 #ifndef __M_BBOX__
  34 #define __M_BBOX__
  35
  36 #include <limits.h>
  37 #include "m_fixed.h"
  38
  39 /* Bounding box coordinate storage. */
  40 enum
  41 {
  42    BOXTOP,
  43    BOXBOTTOM,
  44    BOXLEFT,
  45    BOXRIGHT
  46 };  /* bbox coordinates */
  47
  48 /* Bounding box functions. */
  49
  50 void M_ClearBox(fixed_t* box);
  51
  52 void M_AddToBox(fixed_t* box,fixed_t x,fixed_t y);
  53
  54 #endif