//
// 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 lighttable_t*	pal_color;

extern int		viewwidth;
extern int		scaledviewwidth;
extern int		viewheight;

// [crispy] lookup table for horizontal screen coordinates
extern int		flipscreenwidth[MAXWIDTH];
extern int		*flipviewwidth;

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;

// [crispy]
typedef struct localview_s
{
    angle_t oldticangle;
    angle_t ticangle;
    short ticangleturn;
    double rawangle;
    angle_t angle;
} localview_t;

//
// POV data.
//
extern fixed_t		viewx;
extern fixed_t		viewy;
extern fixed_t		viewz;

extern angle_t		viewangle;
extern localview_t      localview; // [crispy]
extern player_t*	viewplayer;


// ?
extern angle_t		clipangle;

extern int		viewangletox[FINEANGLES/2];
extern angle_t		xtoviewangle[MAXWIDTH+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
