File indexing completed on 2024-05-12 04:04:34

 /*
     Copyright (C) 2002-2005, Jason Katz-Brown <jasonkb@mit.edu>
     Copyright 2010 Stefan Majewsky <majewsky@gmx.net>
 
     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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
 #ifndef KOLF_OBJECTS_H
 #define KOLF_OBJECTS_H
 
 //NOTE: Only refactored stuff goes into this header.
 
 #include "canvasitem.h"
 #include "overlay.h"
 
 namespace Kolf
 {
     class BlackHole;
     class BlackHoleOverlay;
 
     class BlackHole : public EllipticalCanvasItem
     {
         Q_OBJECT
 
         public:
             BlackHole(QGraphicsItem* parent, b2World* world);
             ~BlackHole() override;
             //FIXME: strutted moving of exit is broken since refactoring.
 
             QList<QGraphicsItem*> infoItems() const override;
             void save(KConfigGroup* cfgGroup) override;
             void load(KConfigGroup* cfgGroup) override;
             Config* config(QWidget* parent) override;
             double minSpeed() const;
             double maxSpeed() const;
             void setMinSpeed(double news);
             void setMaxSpeed(double news);
 
             QPointF exitPos() const;
             void setExitPos(const QPointF& exitPos);
             int curExitDeg() const;
             void setExitDeg(int newdeg);
             Vector exitDirection() const; //for overlay
 
             void updateInfo();
 
             void moveBy(double dx, double dy) override;
 
             void shotStarted() override;
             bool collision(Ball* ball) override;
         public Q_SLOTS:
             void eject(Ball* ball, double speed);
             void halfway();
         protected:
             Kolf::Overlay* createOverlay() override;
         private:
             double m_minSpeed, m_maxSpeed;
             int m_runs, m_exitDeg;
             QGraphicsLineItem* m_exitItem;
             ArrowItem* m_directionItem;
             QGraphicsLineItem* m_infoLine;
     };
 
     class BlackHoleTimer : public QObject
     {
         Q_OBJECT
         public:
             BlackHoleTimer(Ball* ball, double speed, int msec);
         Q_SIGNALS:
             void eject(Ball* ball, double speed);
             void halfway();
         private Q_SLOTS:
             void emitEject();
         private:
             double m_speed;
             Ball* m_ball;
     };
 
     class BlackHoleConfig : public Config
     {
         Q_OBJECT
         public:
             BlackHoleConfig(BlackHole* blackHole, QWidget* parent);
         private Q_SLOTS:
             void degChanged(int);
             void minChanged(double);
             void maxChanged(double);
         private:
             BlackHole* m_blackHole;
     };
 
     class BlackHoleOverlay : public Kolf::Overlay
     {
         Q_OBJECT
         public:
             explicit BlackHoleOverlay(Kolf::BlackHole* blackHole);
             void update() override;
         private Q_SLOTS:
             //interface to handles
             void moveHandle(const QPointF& handleScenePos);
         private:
             QGraphicsLineItem* m_exitIndicator;
             Kolf::OverlayHandle* m_exitHandle;
             Kolf::OverlayHandle* m_speedHandle;
     };
 
     class Cup : public EllipticalCanvasItem
     {
         public:
             Cup(QGraphicsItem* parent, b2World* world);
 
             Kolf::Overlay* createOverlay() override;
             bool collision(Ball* ball) override;
     };
 }
 
 #endif // KOLF_OBJECTS_H