//
// 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:
//	Rendering of moving objects, sprites.
//

#ifndef __R_THINGS__
#define __R_THINGS__

#include "i_video.h"
#include "m_fixed.h"
#include "r_defs.h"
#include "v_patch.h"

#define MAXVISSPRITES 128

extern vissprite_t vissprites[MAXVISSPRITES];
extern vissprite_t *vissprite_p;
extern vissprite_t vsprsortedhead;

// Constant arrays used for psprite clipping
//  and initializing clipping.
extern short negonearray[SCREENWIDTH];
extern short screenheightarray[SCREENWIDTH];

// vars for R_DrawMaskedColumn
extern short *mfloorclip;
extern short *mceilingclip;
extern fixed_t spryscale;
extern fixed_t sprtopscreen;

extern fixed_t pspritescale;
extern fixed_t pspriteiscale;

void R_DrawMaskedColumn(column_t *column);

void R_SortVisSprites(void);

void R_AddSprites(sector_t *sec);
void R_AddPSprites(void);
void R_DrawSprites(void);
void R_InitSprites(char **namelist);
void R_ClearSprites(void);
void R_DrawMasked(void);

void R_ClipVisSprite(vissprite_t *vis, int xl, int xh);

#endif