// $Id: mapsprite.h,v 1.4 2006/08/05 09:08:59 matthew Exp $

//  Fish Supper
//  Copyright (C) 2006 Matthew Clarke <matthew_larcke@lycos.co.uk>
//
//  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 _MAPSPRITE_H_
#define _MAPSPRITE_H_




#include "sprite.h"
#include "enums.h"
#include "constants.h"
#include "playdisplay.h"




namespace FS
{
    
class MapSprite : public Sprite
{    
    protected:
        int map_x;
        int row_length_pixels;
        int row;
        
        bool adjust_rect(SDL_Rect * rect);

        void calc_x(int current_start_pixel);
        void calc_sprite_rect();
        
    public:
        MapSprite() {}
        virtual ~MapSprite() {}
        
        int get_row() const { return row; }
        
        // Pure virtual function makes MapSprite an abstract class.
        // Subclasses must provide a definition.
        virtual void update(const int * current_start_pixels, const int * pixels_to_move,
                const int * old_pixels_to_move, const Direction * directions, 
                bool is_first_pass, PlayDisplay * pd) = 0;
        
}; // class MapSprite

}; // namespace FS




#endif