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+// Emacs style mode select -*- C++ -*-
+//-----------------------------------------------------------------------------
+//
+// Copyright(C) 1993-1996 Id Software, Inc.
+// Copyright(C) 2005 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.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+// 02111-1307, USA.
+//
+// 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