Games/Doom/r_sky.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 18:21:05  stegerg
  19 // Doom port based on ADoomPPC. Read README.AROS!
  20 //
  21 //
  22 // DESCRIPTION:
  23 //  Sky rendering. The DOOM sky is a texture map like any
  24 //  wall, wrapping around. A 1024 columns equal 360 degrees.
  25 //  The default sky map is 256 columns and repeats 4 times
  26 //  on a 320 screen?
  27 //
  28 //
  29 //-----------------------------------------------------------------------------
  30
  31 static const char
  32 rcsid[] = "$Id$";
  33
  34
  35 // Needed for FRACUNIT.
  36 #include "m_fixed.h"
  37
  38 // Needed for Flat retrieval.
  39 #include "r_data.h"
  40
  41 #include "doomstat.h"
  42
  43
  44 #ifdef __GNUG__
  45 #pragma implementation "r_sky.h"
  46 #endif
  47 #include "r_sky.h"
  48
  49
  50 //
  51 // sky mapping
  52 //
  53 int                     skyflatnum;
  54 int                     skytexture;
  55 int                     skytexturemid;
  56
  57
  58
  59 //
  60 // R_InitSkyMap
  61 // Called whenever the view size changes.
  62 //
  63 void R_InitSkyMap (void)
  64 {
  65 //  skyflatnum = R_FlatNumForName ( SKYFLATNAME );
  66   skytexturemid = 100*FRACUNIT;
  67 }
  68