Games/Doom/m_bbox.c

   1 // Emacs style mode select   -*- C++ -*-
   2 //-----------------------------------------------------------------------------
   3 //
   4 // $Id$
   5 //
   6 // Copyright (C) 1993-1996 by id Software, Inc.
   7 //
   8 // This source is available for distribution and/or modification
   9 // only under the terms of the DOOM Source Code License as
  10 // published by id Software. All rights reserved.
  11 //
  12 // The source is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
  15 // for more details.
  16 //
  17 // $Log$
  18 // Revision 1.1  2000/02/29 18:21:04  stegerg
  19 // Doom port based on ADoomPPC. Read README.AROS!
  20 //
  21 //
  22 // DESCRIPTION:
  23 //      Main loop menu stuff.
  24 //      Random number LUT.
  25 //      Default Config File.
  26 //      PCX Screenshots.
  27 //
  28 //-----------------------------------------------------------------------------
  29
  30 static const char
  31 rcsid[] = "$Id$";
  32
  33
  34 #ifdef __GNUG__
  35 #pragma implementation "m_bbox.h"
  36 #endif
  37 #include "m_bbox.h"
  38
  39
  40
  41
  42 void M_ClearBox (fixed_t *box)
  43 {
  44     box[BOXTOP] = box[BOXRIGHT] = MININT;
  45     box[BOXBOTTOM] = box[BOXLEFT] = MAXINT;
  46 }
  47
  48 void
  49 M_AddToBox
  50 ( fixed_t*      box,
  51   fixed_t       x,
  52   fixed_t       y )
  53 {
  54     if (x<box[BOXLEFT])
  55         box[BOXLEFT] = x;
  56     else if (x>box[BOXRIGHT])
  57         box[BOXRIGHT] = x;
  58     if (y<box[BOXBOTTOM])
  59         box[BOXBOTTOM] = y;
  60     else if (y>box[BOXTOP])
  61         box[BOXTOP] = y;
  62 }
  63
  64
  65
  66
  67