scenemanager.h

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#ifndef UPDRAFT_SRC_CORE_SCENEMANAGER_H_
#define UPDRAFT_SRC_CORE_SCENEMANAGER_H_

#include <QWidget>
#include <osg/ref_ptr>
#include <osgQt/GraphicsWindowQt>
#include <osgViewer/Viewer>
#include <osgViewer/ViewerEventHandlers>
#include <osgEarth/Viewpoint>
#include <QTimer>
#include <QHash>
#include <string>
#include "mapmanager.h"
#include "../mapobject.h"

namespace osgEarth {
namespace Util {
  class ElevationManager;
}
}

namespace Updraft {
namespace Core {

class SceneManager: public QObject {
  Q_OBJECT

 public:
  SceneManager();
  ~SceneManager();

  QWidget* getWidget();

  osg::Group* getRoot();

  osgEarth::MapNode* getMapNode();

  MapManager* getMapManager();

  void createMaps();

  void destroyMaps();

  bool removeGroup(osg::Group* group);

  osg::Group* getSimpleGroup();

  void registerOsgNode(osg::Node* node, MapObject* mapObject);

  void unregisterOsgNode(osg::Node* node);

  MapObject* getNodeMapObject(osg::Node* node);

  osgEarth::Util::ElevationManager* getElevationManager();

  const osg::EllipsoidModel* getCurrentMapEllipsoid();

  osgEarth::Util::ObjectPlacer* getObjectPlacer();

  osgEarth::Util::Viewpoint getViewpoint();

 public slots:
  void redrawScene();
  void resetNorth();
  void untilt();
  void saveHomePosition();

 private slots:
  void checkedMap(bool value, MapLayerInterface* layer);

 private:
  void createMapManagers();

  void menuItems();

  void mapLayerGroup();

  osgEarth::Util::ElevationManager* createElevationManager();

  osgEarth::Util::ObjectPlacer* placer;

  osgViewer::Viewer* viewer;
  osg::Group* sceneRoot;

  osg::ClearNode* background;
  osgEarth::MapNode* mapNode;
  osg::Group* simpleGroup;

  QVector<MapManager*> mapManagers;
  QVector<MapLayerInterface*> layers;
  int activeMapIndex;
  osg::Camera* camera;
  MapManipulator* manipulator;
  osgEarth::Viewpoint saveViewpoint;
  osgEarth::Util::ElevationManager* elevationManager;
  osgQt::GraphicsWindowQt* graphicsWindow;

  QTimer* timer;

  osg::GraphicsContext::Traits* createGraphicsTraits
    (int x, int y, int w, int h, const std::string& name = "",
    bool windowDecoration = false);
  osgQt::GraphicsWindowQt* createGraphicsWindow
    (osg::GraphicsContext::Traits* traits);
  osg::Camera* createCamera(osg::GraphicsContext::Traits* traits);

  QHash<osg::Node*, MapObject*> pickingMap;

  osgEarth::Viewpoint getHomePosition();
  osgEarth::Util::Viewpoint getInitialPosition();
  void startInitialAnimation();
  void updateCameraProjection();

  void insertMenuItems();

  double getAspectRatio();

  SettingInterface* homePositionSetting;
  static const float flyToHomeDuration;
};

}  // end namespace Core
}  // end namespace Updraft

#endif  // UPDRAFT_SRC_CORE_SCENEMANAGER_H_