text: // Emacs style mode select   -*- C++ -*- 
  //-----------------------------------------------------------------------------
  //
  // $Id:$
  //
  // Copyright (C) 1993-1996 by id Software, Inc.
  //
  // This source is available for distribution and/or modification
  // only under the terms of the DOOM Source Code License as
  // published by id Software. All rights reserved.
  //
  // The source is distributed in the hope that it will be useful,
  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  // FITNESS FOR A PARTICULAR PURPOSE. See the DOOM Source Code License
  // for more details.
  //
  // $Log:$
  //
  // DESCRIPTION:
  //	Main loop menu stuff.
  //	Random number LUT.
  //	Default Config File.
  //	PCX Screenshots.
  //
  //-----------------------------------------------------------------------------
  
  static const char
  rcsid[] = "$Id: m_bbox.c,v 1.1 1997/02/03 22:45:10 b1 Exp $";
  
  #include "doomtype.h"
  
  #ifdef __GNUG__
  #pragma implementation "m_bbox.h"
  #endif
  #include "m_bbox.h"
  
  
  
  
  void M_ClearBox (fixed_t *box)
  {
      box[BOXTOP] = box[BOXRIGHT] = MININT;
      box[BOXBOTTOM] = box[BOXLEFT] = MAXINT;
  }
  
  void
  M_AddToBox
  ( fixed_t*	box,
    fixed_t	x,
    fixed_t	y )
  {
      if (x<box[BOXLEFT])
  	box[BOXLEFT] = x;
      else if (x>box[BOXRIGHT])
  	box[BOXRIGHT] = x;
      if (y<box[BOXBOTTOM])
  	box[BOXBOTTOM] = y;
      else if (y>box[BOXTOP])
  	box[BOXTOP] = y;
  }
  
  
  
  
  
  