DOOM-3-BFG

DOOM 3 BFG Edition
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r_plane.h (2403B)

      1 /*
      2 ===========================================================================
      3 
      4 Doom 3 BFG Edition GPL Source Code
      5 Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company. 
      6 
      7 This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").  
      8 
      9 Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
     10 it under the terms of the GNU General Public License as published by
     11 the Free Software Foundation, either version 3 of the License, or
     12 (at your option) any later version.
     13 
     14 Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
     15 but WITHOUT ANY WARRANTY; without even the implied warranty of
     16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     17 GNU General Public License for more details.
     18 
     19 You should have received a copy of the GNU General Public License
     20 along with Doom 3 BFG Edition Source Code.  If not, see <http://www.gnu.org/licenses/>.
     21 
     22 In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code.  If not, please request a copy in writing from id Software at the address below.
     23 
     24 If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
     25 
     26 ===========================================================================
     27 */
     28 
     29 #ifndef __R_PLANE__
     30 #define __R_PLANE__
     31 
     32 
     33 #include "r_data.h"
     34 
     35 #ifdef __GNUG__
     36 #pragma interface
     37 #endif
     38 
     39 
     40 // Visplane related.
     41 extern  short*		lastopening;
     42 
     43 
     44 typedef void (*planefunction_t) (int top, int bottom);
     45 
     46 extern planefunction_t	floorfunc;
     47 extern planefunction_t	ceilingfunc_t;
     48 
     49 extern short		floorclip[SCREENWIDTH];
     50 extern short		ceilingclip[SCREENWIDTH];
     51 
     52 extern fixed_t		yslope[SCREENHEIGHT];
     53 extern fixed_t		distscale[SCREENWIDTH];
     54 
     55 void R_InitPlanes (void);
     56 void R_ClearPlanes (void);
     57 
     58 void
     59 R_MapPlane
     60 ( int		y,
     61   int		x1,
     62   int		x2 );
     63 
     64 void
     65 R_MakeSpans
     66 ( int		x,
     67   int		t1,
     68   int		b1,
     69   int		t2,
     70   int		b2 );
     71 
     72 void R_DrawPlanes (void);
     73 
     74 visplane_t*
     75 R_FindPlane
     76 ( fixed_t	height,
     77   int		picnum,
     78   int		lightlevel );
     79 
     80 visplane_t*
     81 R_CheckPlane
     82 ( visplane_t*	pl,
     83   int		start,
     84   int		stop );
     85 
     86 
     87 
     88 #endif
     89