54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
|
/* Emacs style mode select -*- C++ -*-
|
||
|
|
*-----------------------------------------------------------------------------
|
||
|
|
*
|
||
|
|
*
|
||
|
|
* PrBoom a Doom port merged with LxDoom and LSDLDoom
|
||
|
|
* based on BOOM, a modified and improved DOOM engine
|
||
|
|
* Copyright (C) 1999 by
|
||
|
|
* id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman
|
||
|
|
* Copyright (C) 1999-2000 by
|
||
|
|
* Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public License
|
||
|
|
* as published by the Free Software Foundation; either version 2
|
||
|
|
* of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
||
|
|
* 02111-1307, USA.
|
||
|
|
*
|
||
|
|
* DESCRIPTION:
|
||
|
|
* Sky rendering. The DOOM sky is a texture map like any
|
||
|
|
* wall, wrapping around. A 1024 columns equal 360 degrees.
|
||
|
|
* The default sky map is 256 columns and repeats 4 times
|
||
|
|
* on a 320 screen?
|
||
|
|
*
|
||
|
|
*-----------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
#ifdef __GNUG__
|
||
|
|
#pragma implementation "r_sky.h"
|
||
|
|
#endif
|
||
|
|
#include "r_sky.h"
|
||
|
|
//
|
||
|
|
// sky mapping
|
||
|
|
//
|
||
|
|
int skyflatnum;
|
||
|
|
int skytexture;
|
||
|
|
int skytexturemid;
|
||
|
|
|
||
|
|
//
|
||
|
|
// R_InitSkyMap
|
||
|
|
// Called whenever the view size changes.
|
||
|
|
//
|
||
|
|
void R_InitSkyMap (void)
|
||
|
|
{
|
||
|
|
skytexturemid = 100*FRACUNIT;
|
||
|
|
}
|