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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
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