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Moveable.h

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 //
//      Copyright (C) 2002 Robert Renaud
//
//      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 MOVEABLE_H_
#define MOVEABLE_H_

#include "../Config.h"

#include "Constants.h"
#include "../Graphics/draw.h"

#include "GameDebug.h"

namespace Game {

        enum Direction {
                LEFT=0, RIGHT=1, UP=2, DOWN=3, NO_DIRECTION=4
        };
                
        class PlaceableItem: public Graphics::Drawable {
        public:
                /*
                *       @param startX initial row occupied by the object
                *       @param startY initial column occupied by the object
                */
                PlaceableItem(Sint16 x, Sint16 y);

                virtual ~PlaceableItem() { }
                
                virtual Sint16 getXpixel() const;
                virtual Sint16 getYpixel() const;

        protected:
                SDL_Rect picPosition;   
        };

        class MoveableItem : public PlaceableItem {
        public:

                MoveableItem(Sint16 startX, Sint16 startY, int speed=0);
                virtual ~MoveableItem() { }             

                virtual void move();
                virtual void move(int amnt);

                virtual int getSpeed();
                virtual void setSpeed(int newSpeed);

                virtual void inch(int amount, Direction d);

                virtual Direction getDirection();
                virtual void setDirection(Direction dir);

                virtual void lockMovement();
                virtual void unlockMovement();

                virtual void setXpixel(Sint16 x);
                virtual void setYpixel(Sint16 y);
                
        protected:
                int speed;
                Direction dir;
                bool dirIsLocked;
        };

}; // namespace Game

std::istream& operator >> (std::istream& in, Game::Direction& d);

#endif // ifndef MOVEABLE_H_

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