r_bsp.h

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//
// Copyright(C) 1993-1996 Id Software, Inc.
// Copyright(C) 2005-2014 Simon Howard
//
// 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.
//
// DESCRIPTION:
//  Refresh module, BSP traversal and handling.
//
 
 
#ifndef __R_BSP__
#define __R_BSP__
 
 
 
extern seg_t*       curline;
extern side_t*      sidedef;
extern line_t*      linedef;
extern sector_t*    frontsector;
extern sector_t*    backsector;
 
extern int      rw_x;
extern int      rw_stopx;
 
extern boolean      segtextured;
 
// false if the back side is the same plane
extern boolean      markfloor;      
extern boolean      markceiling;
 
extern boolean      skymap;
 
extern drawseg_t    drawsegs[MAXDRAWSEGS];
extern drawseg_t*   ds_p;
 
extern lighttable_t**   hscalelight;
extern lighttable_t**   vscalelight;
extern lighttable_t**   dscalelight;
 
 
typedef void (*drawfunc_t) (int start, int stop);
 
 
// BSP?
void R_ClearClipSegs (void);
void R_ClearDrawSegs (void);
 
 
void R_RenderBSPNode (int bspnum);
 
 
#endif