qmlfrontend/game_view.h
author alfadur
Mon, 26 Aug 2019 19:05:28 +0300
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permissions -rw-r--r--
complete basic ecs
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#ifndef GAMEVIEW_H
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#define GAMEVIEW_H
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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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  void tick(quint32 delta);
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  void setEngineInstance(EngineInstance* engineInstance);
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 public slots:
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  void paint();
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  void onViewportSizeChanged(QQuickWindow* window);
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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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class GameView : public QQuickItem {
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  Q_OBJECT
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  Q_PROPERTY(EngineInstance* engineInstance READ engineInstance WRITE
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                 setEngineInstance NOTIFY engineInstanceChanged)
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  explicit GameView(QQuickItem* parent = nullptr);
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  Q_INVOKABLE void tick(quint32 delta);
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  EngineInstance* engineInstance() const;
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 signals:
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  void engineInstanceChanged(EngineInstance* engineInstance);
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  void sync();
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  void cleanup();
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  void setEngineInstance(EngineInstance* engineInstance);
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 private slots:
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  void handleWindowChanged(QQuickWindow* win);
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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