gamerend.h

/*
 *  gamerend.h - Rendering methods.
 *
 *  Copyright (C) 1998-1999  Jeffrey S. Freedman
 *  Copyright (C) 2000-2022  The Exult Team
 *
 *  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.
 */

#ifndef GAMEREND_H
#define GAMEREND_H 1

class Game_object;

/*
 *  A helper-class for rendering.
 */
class Game_render {
	unsigned long render_seq = 0;     // For marking rendered objects.
	int           skip       = 31;    // Set for each render.  We skip
									  //   painting at or above this.
public:
	void paint_terrain_only(
			int start_chunkx, int start_chunky, int stop_chunkx,
			int stop_chunky);
	// Render the map & objects.
	int paint_map(int x, int y, int w, int h);
	// Paint "flat" scenery in a chunk.
	void paint_chunk_flats(int cx, int cy, int xoff, int yoff);
	void paint_chunk_flat_rles(int cx, int cy, int xoff, int yoff);
	//              // Paint blackness in a dungeon
	// void paint_dungeon_black(int cx, int cy, int xoff, int yoff, int
	// index=0);
	// Paint objects in given chunk at
	//   given lift.
	int paint_chunk_objects(int cx, int cy);
	// Paint an obj. after dependencies.
	void paint_object(Game_object* obj);
	// Render dungeon blackness
	void paint_blackness(
			int start_chunkx, int start_chunky, int stop_chunkx,
			int stop_chunky, int index = 0);
	int get_light_strength(const Game_object* obj, const Game_object* av) const;
};

#endif