#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) { m_viewportSize = size; }

    void setWindow(QQuickWindow* window) { m_window = window; }

public slots:

    void paint();

private:

    QSize m_viewportSize;

    quint32 m_delta;

    QQuickWindow* m_window;

};

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;

};

#endif // GAMEVIEW_H