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    41 

    42 #ifndef STATES_H

    43 #define STATES_H

    44 

    45 //Qt

    46 #include <QtCore/QState>

    47 #include <QtCore/QSignalTransition>

    48 #include <QtCore/QPropertyAnimation>

    49 #include <QtGui/QKeyEventTransition>

    50 #include <QtCore/QSet>

    51 

    52 class GraphicsScene;

    53 class Boat;

    54 class SubMarine;

    55 QT_BEGIN_NAMESPACE

    56 class QStateMachine;

    57 QT_END_NAMESPACE

    58 

    59 class PlayState : public QState

    60 {

    61 public:

    62     PlayState(GraphicsScene *scene, QState *parent = 0);

    63     ~PlayState();

    64 

    65  protected:

    66     void onEntry(QEvent *);

    67 

    68 private :

    69     GraphicsScene *scene;

    70     QStateMachine *machine;

    71     int currentLevel;

    72     int score;

    73     QState *parallelChild;

    74 

    75     friend class UpdateScoreState;

    76     friend class UpdateScoreTransition;

    77     friend class WinTransition;

    78     friend class CustomSpaceTransition;

    79     friend class WinState;

    80     friend class LostState;

    81     friend class LevelState;

    82 };

    83 

    84 class LevelState : public QState

    85 {

    86 public:

    87     LevelState(GraphicsScene *scene, PlayState *game, QState *parent = 0);

    88 protected:

    89     void onEntry(QEvent *);

    90 private :

    91     void initializeLevel();

    92     GraphicsScene *scene;

    93     PlayState *game;

    94 };

    95 

    96 class PauseState : public QState

    97 {

    98 public:

    99     PauseState(GraphicsScene *scene, QState *parent = 0);

   100 

   101 protected:

   102     void onEntry(QEvent *);

   103     void onExit(QEvent *);

   104 private :

   105     GraphicsScene *scene;

   106     Boat *boat;

   107 };

   108 

   109 class LostState : public QState

   110 {

   111 public:

   112     LostState(GraphicsScene *scene, PlayState *game, QState *parent = 0);

   113 

   114 protected:

   115     void onEntry(QEvent *);

   116     void onExit(QEvent *);

   117 private :

   118     GraphicsScene *scene;

   119     PlayState *game;

   120 };

   121 

   122 class WinState : public QState

   123 {

   124 public:

   125     WinState(GraphicsScene *scene, PlayState *game, QState *parent = 0);

   126 

   127 protected:

   128     void onEntry(QEvent *);

   129     void onExit(QEvent *);

   130 private :

   131     GraphicsScene *scene;

   132     PlayState *game;

   133 };

   134 

   135 class UpdateScoreState : public QState

   136 {

   137 public:

   138     UpdateScoreState(PlayState *game, QState *parent);

   139 private:

   140     QPropertyAnimation *scoreAnimation;

   141     PlayState *game;

   142 };

   143 

   144 //These transtion is used to update the score

   145 class UpdateScoreTransition : public QSignalTransition

   146 {

   147 public:

   148     UpdateScoreTransition(GraphicsScene *scene, PlayState *game, QAbstractState *target);

   149 protected:

   150     virtual bool eventTest(QEvent *event);

   151 private:

   152     PlayState * game;

   153     GraphicsScene *scene;

   154 };

   155 

   156 //These transtion test if we have won the game

   157 class WinTransition : public QSignalTransition

   158 {

   159 public:

   160     WinTransition(GraphicsScene *scene, PlayState *game, QAbstractState *target);

   161 protected:

   162     virtual bool eventTest(QEvent *event);

   163 private:

   164     PlayState * game;

   165     GraphicsScene *scene;

   166 };

   167 

   168 //These transtion is true if one level has been completed and the player want to continue

   169  class CustomSpaceTransition : public QKeyEventTransition

   170 {

   171 public:

   172     CustomSpaceTransition(QWidget *widget, PlayState *game, QEvent::Type type, int key);

   173 protected:

   174     virtual bool eventTest(QEvent *event);

   175 private:

   176     PlayState *game;

   177     int key;

   178 };

   179 

   180 #endif // STATES_H