#include "SceneryPager.hxx"
-class SGMaterial;
+namespace simgear {
+class BVHMaterial;
+}
// Define a structure containing global scenery parameters
class FGScenery : public SGSubsystem {
osg::ref_ptr<osg::Group> terrain_branch;
osg::ref_ptr<osg::Group> models_branch;
osg::ref_ptr<osg::Group> aircraft_branch;
+ osg::ref_ptr<flightgear::SceneryPager> _pager;
public:
/// lat/lon pair. If there is no scenery for that point, the altitude
/// value is undefined.
/// All values are meant to be in meters or degrees.
- bool get_elevation_m(double lat, double lon, double max_alt,
- double& alt, const SGMaterial** material);
bool get_elevation_m(const SGGeod& geod, double& alt,
- const SGMaterial** material);
+ const simgear::BVHMaterial** material,
+ const osg::Node* butNotFrom = 0);
- /// Compute the elevation of the scenery beow the cartesian point pos.
+ /// Compute the elevation of the scenery below the cartesian point pos.
/// you the returned scenery altitude is not higher than the position
- /// pos plus an ofset given with max_altoff.
+ /// pos plus an offset given with max_altoff.
/// If the exact flag is set to true, the scenery center is moved to
/// gain a higher accuracy of that query. The center is restored past
/// that to the original value.
/// value is undefined.
/// All values are meant to be in meters.
bool get_cart_elevation_m(const SGVec3d& pos, double max_altoff,
- double& radius, const SGMaterial** material);
+ double& elevation,
+ const simgear::BVHMaterial** material,
+ const osg::Node* butNotFrom = 0);
/// Compute the nearest intersection point of the line starting from
/// start going in direction dir with the terrain.
/// The input and output values should be in cartesian coordinates in the
- /// usual earth centered wgs84 coordiante system. Units are meters.
+ /// usual earth centered wgs84 coordinate system. Units are meters.
/// On success, true is returned.
bool get_cart_ground_intersection(const SGVec3d& start, const SGVec3d& dir,
- SGVec3d& nearestHit);
+ SGVec3d& nearestHit,
+ const osg::Node* butNotFrom = 0);
osg::Group *get_scene_graph () const { return scene_graph.get(); }
osg::Group *get_terrain_branch () const { return terrain_branch.get(); }
osg::Group *get_models_branch () const { return models_branch.get(); }
osg::Group *get_aircraft_branch () const { return aircraft_branch.get(); }
+ /// Returns true if scenery is available for the given lat, lon position
+ /// within a range of range_m.
+ /// lat and lon are expected to be in degrees.
+ bool scenery_available(const SGGeod& position, double range_m);
+
// Static because access to the pager is needed before the rest of
// the scenery is initialized.
static flightgear::SceneryPager* getPagerSingleton();
+ flightgear::SceneryPager* getPager() { return _pager.get(); }
};