#ifndef GAMEVIEW_H

#define GAMEVIEW_H

#include <QQuickItem>

#include <QtGui/QOpenGLFunctions>

#include <QtGui/QOpenGLShaderProgram>

class GameViewRenderer : public QObject, protected QOpenGLFunctions {

  Q_OBJECT

 public:

  GameViewRenderer() : m_delta(0) {}

  ~GameViewRenderer();

  void tick(quint32 delta) { m_delta = delta; }

  void setViewportSize(const QSize& size);

 public slots:

  void paint();

 private:

  quint32 m_delta;

};

class GameView : public QQuickItem {

  Q_OBJECT

 public:

  GameView();

  Q_INVOKABLE void tick(quint32 delta);

 signals:

  void tChanged();

 public slots:

  void sync();

  void cleanup();

 private slots:

  void handleWindowChanged(QQuickWindow* win);

 private:

  quint32 m_delta;

  GameViewRenderer* m_renderer;

  bool m_windowChanged;

  qint32 m_centerX;

  qint32 m_centerY;

};

#endif  // GAMEVIEW_H