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# boat.h Example File
demos/sub-attaq/boat.h

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     #ifndef __BOAT__H__
     #define __BOAT__H__

     #include "pixmapitem.h"

     class Bomb;
     class QVariantAnimation;
     class QAbstractAnimation;
     class QStateMachine;

     class Boat : public PixmapItem
     {
     Q_OBJECT
     public:
         enum Movement {
            None = 0,
            Left,
            Right
         };
         enum { Type = UserType + 2 };
         Boat();
         void destroy();
         void run();
         void stop();

         int bombsLaunched() const;
         void setBombsLaunched(int number);

         int currentSpeed() const;
         void setCurrentSpeed(int speed);

         enum Movement currentDirection() const;
         void setCurrentDirection(Movement direction);

         void updateBoatMovement();

         virtual int type() const;

     signals:
         void boatDestroyed();
         void boatExecutionFinished();

     private:
         int speed;
         int bombsAlreadyLaunched;
         Movement direction;
         QVariantAnimation *movementAnimation;
         QAbstractAnimation *destroyAnimation;
         QStateMachine *machine;
     };

     #endif //__BOAT__H__