63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
|
// 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:
|
||
|
|
// 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?
|
||
|
|
//
|
||
|
|
//
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
static const char
|
||
|
|
rcsid[] = "$Id: m_bbox.c,v 1.1 1997/02/03 22:45:10 b1 Exp $";
|
||
|
|
|
||
|
|
|
||
|
|
// Needed for FRACUNIT.
|
||
|
|
#include "m_fixed.h"
|
||
|
|
|
||
|
|
// Needed for Flat retrieval.
|
||
|
|
#include "r_data.h"
|
||
|
|
|
||
|
|
|
||
|
|
#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)
|
||
|
|
{
|
||
|
|
// skyflatnum = R_FlatNumForName ( SKYFLATNAME );
|
||
|
|
skytexturemid = 100*FRACUNIT;
|
||
|
|
}
|
||
|
|
|