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−#ifndef GAMEVIEW_H
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−#define GAMEVIEW_H
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−
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−#include <QQuickItem>
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−
+
−#include <QPointer>
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−#include <QScopedPointer>
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−#include <QtGui/QOpenGLFunctions>
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−#include <QtGui/QOpenGLShaderProgram>
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−
+
−#include "engine_instance.h"
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−
+
−class GameViewRenderer : public QObject, protected QOpenGLFunctions {
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−  Q_OBJECT
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− public:
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−  explicit GameViewRenderer();
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−  ~GameViewRenderer() override;
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−
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−  void tick(quint32 delta);
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−  void setEngineInstance(EngineInstance* engineInstance);
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−
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− public slots:
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−  void paint();
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−  void onViewportSizeChanged(QQuickWindow* window);
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−
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− private:
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−  quint32 m_delta;
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−  QPointer<EngineInstance> m_engineInstance;
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−};
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−
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−class GameView : public QQuickItem {
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−  Q_OBJECT
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−
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−  Q_PROPERTY(EngineInstance* engineInstance READ engineInstance WRITE
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−                 setEngineInstance NOTIFY engineInstanceChanged)
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−
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− public:
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−  explicit GameView(QQuickItem* parent = nullptr);
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−
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−  Q_INVOKABLE void tick(quint32 delta);
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−
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−  EngineInstance* engineInstance() const;
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−
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− signals:
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−  void engineInstanceChanged(EngineInstance* engineInstance);
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−
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− public slots:
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−  void sync();
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−  void cleanup();
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−  void setEngineInstance(EngineInstance* engineInstance);
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−
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− private slots:
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−  void handleWindowChanged(QQuickWindow* win);
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−
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− private:
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−  quint32 m_delta;
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−  QScopedPointer<GameViewRenderer> m_renderer;
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−  bool m_windowChanged;
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−  QPointer<EngineInstance> m_engineInstance;
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−  QSize m_viewportSize;
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−  QPoint m_centerPoint;
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−};
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−
+
−#endif  // GAMEVIEW_H