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  1. /*
  2. Copyright (C) 1996-1997 Id Software, Inc.
  3.  
  4. This program is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU General Public License
  6. as published by the Free Software Foundation; either version 2
  7. of the License, or (at your option) any later version.
  8.  
  9. This program is distributed in the hope that it will be useful,
  10. but WITHOUT ANY WARRANTY; without even the implied warranty of
  11. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
  12.  
  13. See the GNU General Public License for more details.
  14.  
  15. You should have received a copy of the GNU General Public License
  16. along with this program; if not, write to the Free Software
  17. Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  18.  
  19. */
  20. // d_zpoint.c: software driver module for drawing z-buffered points
  21.  
  22. #include "quakedef.h"
  23. #include "d_local.h"
  24.  
  25.  
  26. /*
  27. =====================
  28. D_DrawZPoint
  29. =====================
  30. */
  31. void D_DrawZPoint (void)
  32. {
  33.         byte    *pdest;
  34.         short   *pz;
  35.         int             izi;
  36.        
  37.         pz = d_pzbuffer + (d_zwidth * r_zpointdesc.v) + r_zpointdesc.u;
  38.         pdest = d_viewbuffer + d_scantable[r_zpointdesc.v] + r_zpointdesc.u;
  39.         izi = (int)(r_zpointdesc.zi * 0x8000);
  40.  
  41.         if (*pz <= izi)
  42.         {
  43.                 *pz = izi;
  44.                 *pdest = r_zpointdesc.color;
  45.         }
  46. }
  47.  
  48.