mirror of https://gitlab.com/nakst/essence
77 lines
1.4 KiB
C
77 lines
1.4 KiB
C
//
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// Copyright(C) 1993-1996 Id Software, Inc.
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// Copyright(C) 2005-2014 Simon Howard
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// DESCRIPTION:
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// Refresh, visplane stuff (floor, ceilings).
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//
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#ifndef __R_PLANE__
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#define __R_PLANE__
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#include "r_data.h"
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// Visplane related.
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extern short* lastopening;
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typedef void (*planefunction_t) (int top, int bottom);
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extern planefunction_t floorfunc;
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extern planefunction_t ceilingfunc_t;
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extern short floorclip[SCREENWIDTH];
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extern short ceilingclip[SCREENWIDTH];
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extern fixed_t yslope[SCREENHEIGHT];
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extern fixed_t distscale[SCREENWIDTH];
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void R_InitPlanes (void);
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void R_ClearPlanes (void);
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void
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R_MapPlane
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( int y,
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int x1,
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int x2 );
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void
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R_MakeSpans
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( int x,
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int t1,
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int b1,
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int t2,
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int b2 );
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void R_DrawPlanes (void);
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visplane_t*
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R_FindPlane
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( fixed_t height,
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int picnum,
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int lightlevel );
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visplane_t*
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R_CheckPlane
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( visplane_t* pl,
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int start,
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int stop );
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#endif
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