kollision/mainarea.h

   1 /*
   2   Copyright (c) 2007 Paolo Capriotti <p.capriotti@gmail.com>
   3
   4   This program is free software; you can redistribute it and/or modify
   5   it under the terms of the GNU General Public License as published by
   6   the Free Software Foundation; either version 2 of the License, or
   7   (at your option) any later version.
   8 */
   9
  10 #ifndef MAINAREA_H
  11 #define MAINAREA_H
  12
  13 #include <QTimer>
  14 #include <QTime>
  15 #include <QList>
  16 #include <QGraphicsScene>
  17 #include "audioplayer.h"
  18 #include "animator.h"
  19 #include "message.h"
  20
  21 class Renderer;
  22 class Ball;
  23 class Animation;
  24 class QGraphicsSceneMouseEvent;
  25
  26 struct Collision;
  27
  28 class MainArea : public QGraphicsScene
  29 {
  30 Q_OBJECT
  31     QTimer m_timer;
  32     int m_last_time;
  33     int m_last_game_time;
  34     QTime m_time;
  35
  36     /// time interval between two balls being added
  37     int m_ball_timeout;
  38
  39     int m_size;
  40     Renderer* m_renderer;
  41     QPixmap m_background;
  42     Animator m_animator;
  43     QFont m_msg_font;
  44
  45     QList<Ball*> m_balls;
  46     QList<Ball*> m_fading;
  47     Ball* m_man;
  48
  49     /// the blue ball is dead
  50     bool m_death;
  51
  52     /// the falling animation is over, we're waiting for a new game to start
  53     bool m_game_over;
  54
  55     bool m_paused;
  56     int m_pause_time;
  57     int m_penalty;
  58
  59     QList<MessagePtr> m_welcome_msg;
  60     QList<MessagePtr> m_pause_msg;
  61
  62     AudioPlayer m_player;
  63
  64     double radius() const;
  65     QPointF randomPoint() const;
  66     QPointF randomDirection(double val) const;
  67
  68     Ball* addBall(const QString& id);
  69     bool collide(const QPointF& a, const QPointF& b,
  70                 double diam, Collision& collision);
  71
  72     Animation* writeMessage(const QString& text);
  73     Animation* writeText(const QString& lines, bool fade = true);
  74     void displayMessages(const QList<KSharedPtr<Message> >& msgs);
  75     void playSound(int sound);
  76     void onDeath();
  77     void setManPosition(const QPointF& p);
  78     void drawBackground(QPainter*, const QRectF&);
  79     void updateSounds();
  80 protected:
  81     virtual void mousePressEvent(QGraphicsSceneMouseEvent* event);
  82     virtual void focusOutEvent(QFocusEvent*);
  83 public:
  84     MainArea();
  85     ~MainArea();
  86     void start();
  87 public slots:
  88     void tick();
  89     void enableSounds(bool enable);
  90     void abort();
  91     void togglePause();
  92 signals:
  93     void starting();
  94     void gameOver(int);
  95     void changeBallNumber(int);
  96     void changeGameTime(int);
  97     void changeState(bool);
  98     void pause(bool);
  99 };
 100
 101 #endif // MAINAREA_H
 102