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50 
51 #ifndef GRAPHICSSCENE_H
52 #define GRAPHICSSCENE_H
53 
54 //Qt
55 #include <QGraphicsScene>
56 #include <QSet>
57 
58 
59 class Boat;
60 class SubMarine;
61 class Torpedo;
62 class Bomb;
63 class PixmapItem;
64 class ProgressItem;
65 class TextInformationItem;
66 QT_BEGIN_NAMESPACE
67 class QAction;
68 QT_END_NAMESPACE
69 
70 class GraphicsScene : public QGraphicsScene
71 {
72 Q_OBJECT
73 public:
74     enum Mode {
75         Big = 0,
76         Small
77     };
78 
79     struct SubmarineDescription {
80         int type = 0;
81         int points = 0;
82         QString name;
83     };
84 
85     struct LevelDescription {
86         int id = 0;
87         QString name;
88         QVector<QPair<int, int>> submarines;
89     };
90 
91     GraphicsScene(int x, int y, int width, int height, Mode mode, QObject *parent = nullptr);
92     qreal sealLevel() const;
93     void setupScene(QAction *newAction, QAction *quitAction);
94     void addItem(Bomb *bomb);
95     void addItem(Torpedo *torpedo);
96     void addItem(SubMarine *submarine);
97     void addItem(QGraphicsItem *item);
98     void clearScene();
99 
100 signals:
101     void subMarineDestroyed(int);
102     void allSubMarineDestroyed(int);
103 
104 private slots:
105     void onBombExecutionFinished();
106     void onTorpedoExecutionFinished();
107     void onSubMarineExecutionFinished();
108 
109 private:
110     Mode mode;
111     ProgressItem *progressItem;
112     TextInformationItem *textInformationItem;
113     Boat *boat;
114     QSet<SubMarine *> submarines;
115     QSet<Bomb *> bombs;
116     QSet<Torpedo *> torpedos;
117     QVector<SubmarineDescription> submarinesData;
118     QHash<int, LevelDescription> levelsData;
119 
120     friend class PauseState;
121     friend class PlayState;
122     friend class LevelState;
123     friend class LostState;
124     friend class WinState;
125     friend class WinTransition;
126     friend class UpdateScoreTransition;
127 };
128 
129 #endif // GRAPHICSSCENE_H
130 
131