ref: 1e693bd3ee4ad2754476e5a216dc8f136db23498
dir: /src/strife/r_plane.h/
// // 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, visplane stuff (floor, ceilings). // #ifndef __R_PLANE__ #define __R_PLANE__ #include "r_data.h" // Visplane related. extern short* lastopening; typedef void (*planefunction_t) (int top, int bottom); extern planefunction_t floorfunc; extern planefunction_t ceilingfunc_t; extern short floorclip[SCREENWIDTH]; extern short ceilingclip[SCREENWIDTH]; extern fixed_t yslope[SCREENHEIGHT]; extern fixed_t distscale[SCREENWIDTH]; void R_InitPlanes (void); void R_ClearPlanes (void); void R_MapPlane ( int y, int x1, int x2 ); void R_MakeSpans ( int x, int t1, int b1, int t2, int b2 ); void R_DrawPlanes (void); visplane_t* R_FindPlane ( fixed_t height, int picnum, int lightlevel ); visplane_t* R_CheckPlane ( visplane_t* pl, int start, int stop ); #endif