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  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. //
  19. // DESCRIPTION:
  20. //      Main loop menu stuff.
  21. //      Random number LUT.
  22. //      Default Config File.
  23. //      PCX Screenshots.
  24. //
  25. //-----------------------------------------------------------------------------
  26.  
  27. static const char
  28. rcsid[] = "$Id: m_bbox.c,v 1.1 1997/02/03 22:45:10 b1 Exp $";
  29.  
  30.  
  31. #ifdef __GNUG__
  32. #pragma implementation "m_bbox.h"
  33. #endif
  34. #include "m_bbox.h"
  35.  
  36.  
  37.  
  38.  
  39. void M_ClearBox (fixed_t *box)
  40. {
  41.     box[BOXTOP] = box[BOXRIGHT] = MININT;
  42.     box[BOXBOTTOM] = box[BOXLEFT] = MAXINT;
  43. }
  44.  
  45. void
  46. M_AddToBox
  47. ( fixed_t*      box,
  48.   fixed_t       x,
  49.   fixed_t       y )
  50. {
  51.     if (x<box[BOXLEFT])
  52.         box[BOXLEFT] = x;
  53.     else if (x>box[BOXRIGHT])
  54.         box[BOXRIGHT] = x;
  55.     if (y<box[BOXBOTTOM])
  56.         box[BOXBOTTOM] = y;
  57.     else if (y>box[BOXTOP])
  58.         box[BOXTOP] = y;
  59. }
  60.  
  61.  
  62.  
  63.  
  64.  
  65.