r_state.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/render internal state variables (global).
//
 
 
#ifndef __R_STATE__
#define __R_STATE__
 
// Need data structure definitions.
#include "d_player.h"
#include "r_data.h"
 
 
 
 
 
 
//
// Refresh internal data structures,
//  for rendering.
//
 
// needed for texture pegging
extern fixed_t*     textureheight;
 
// needed for pre rendering (fracs)
extern fixed_t*     spritewidth;
 
extern fixed_t*     spriteoffset;
extern fixed_t*     spritetopoffset;
 
extern lighttable_t*    colormaps;
 
extern int      viewwidth;
extern int      scaledviewwidth;
extern int      viewheight;
 
extern int      firstflat;
 
// for global animation
extern int*     flattranslation;    
extern int*     texturetranslation; 
 
 
// Sprite....
extern int      firstspritelump;
extern int      lastspritelump;
extern int      numspritelumps;
 
 
 
//
// Lookup tables for map data.
//
extern int      numsprites;
extern spritedef_t* sprites;
 
extern int      numvertexes;
extern vertex_t*    vertexes;
 
extern int      numsegs;
extern seg_t*       segs;
 
extern int      numsectors;
extern sector_t*    sectors;
 
extern int      numsubsectors;
extern subsector_t* subsectors;
 
extern int      numnodes;
extern node_t*      nodes;
 
extern int      numlines;
extern line_t*      lines;
 
extern int      numsides;
extern side_t*      sides;
 
 
//
// POV data.
//
extern fixed_t      viewx;
extern fixed_t      viewy;
extern fixed_t      viewz;
 
extern angle_t      viewangle;
extern player_t*    viewplayer;
 
 
// ?
extern angle_t      clipangle;
 
extern int      viewangletox[FINEANGLES/2];
extern angle_t      xtoviewangle[SCREENWIDTH+1];
//extern fixed_t        finetangent[FINEANGLES/2];
 
extern fixed_t      rw_distance;
extern angle_t      rw_normalangle;
 
 
 
// angle to line origin
extern int      rw_angle1;
 
// Segs count?
extern int      sscount;
 
extern visplane_t*  floorplane;
extern visplane_t*  ceilingplane;
 
 
#endif