//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// $Id$
# error This library requires C++
#endif
-#include <list>
-
-#include <plib/sg.h>
+#include <osg/ref_ptr>
+#include <osg/Group>
#include <simgear/compiler.h>
+#include <simgear/math/SGMath.hxx>
#include <simgear/structure/subsystem_mgr.hxx>
-#include <simgear/math/point3d.hxx>
-
-SG_USING_STD(list);
-class ssgRoot;
-class ssgBranch;
-class ssgPlacementTransform;
+#include "SceneryPager.hxx"
+class SGMaterial;
// Define a structure containing global scenery parameters
class FGScenery : public SGSubsystem {
- // center of current scenery chunk
- Point3D center;
-
- // next center of current scenery chunk
- Point3D next_center;
-
- // FIXME this should be a views property
- // angle of sun relative to current local horizontal
- double sun_angle;
-
- // SSG scene graph
- ssgRoot *scene_graph;
- ssgBranch *terrain_branch;
- ssgRoot *gnd_lights_root;
- ssgRoot *vasi_lights_root;
- ssgRoot *rwy_lights_root;
- ssgRoot *taxi_lights_root;
- ssgBranch *models_branch;
- ssgBranch *aircraft_branch;
-
- // list of all placement transform, used to move the scenery center on the fly.
- typedef list<ssgPlacementTransform*> placement_list_type;
- placement_list_type _placement_list;
+
+ // scene graph
+ osg::ref_ptr<osg::Group> scene_graph;
+ osg::ref_ptr<osg::Group> terrain_branch;
+ osg::ref_ptr<osg::Group> models_branch;
+ osg::ref_ptr<osg::Group> aircraft_branch;
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, bool exact = false);
+ bool get_elevation_m(const SGGeod& geod, double& alt,
+ const SGMaterial** material,
+ const osg::Node* butNotFrom = 0);
/// Compute the elevation of the scenery beow the cartesian point pos.
/// you the returned scenery altitude is not higher than the position
/// lat/lon pair. If there is no scenery for that point, the altitude
/// value is undefined.
/// All values are meant to be in meters.
- bool get_cart_elevation_m(const sgdVec3& pos, double max_altoff,
- double& radius, bool exact = false);
-
- inline const Point3D& get_center() const { return center; }
- void set_center( const Point3D& p );
-
- inline const Point3D& get_next_center() const { return next_center; }
- inline void set_next_center( const Point3D& p ) { next_center = p; }
-
- inline ssgRoot *get_scene_graph () const { return scene_graph; }
- inline void set_scene_graph (ssgRoot * s) { scene_graph = s; }
-
- inline ssgBranch *get_terrain_branch () const { return terrain_branch; }
- inline void set_terrain_branch (ssgBranch * t) { terrain_branch = t; }
-
- inline ssgRoot *get_gnd_lights_root () const {
- return gnd_lights_root;
- }
- inline void set_gnd_lights_root (ssgRoot *r) {
- gnd_lights_root = r;
- }
-
- inline ssgRoot *get_vasi_lights_root () const {
- return vasi_lights_root;
- }
- inline void set_vasi_lights_root (ssgRoot *r) {
- vasi_lights_root = r;
- }
-
- inline ssgRoot *get_rwy_lights_root () const {
- return rwy_lights_root;
- }
- inline void set_rwy_lights_root (ssgRoot *r) {
- rwy_lights_root = r;
- }
-
- inline ssgRoot *get_taxi_lights_root () const {
- return taxi_lights_root;
- }
- inline void set_taxi_lights_root (ssgRoot *r) {
- taxi_lights_root = r;
- }
-
- inline ssgBranch *get_models_branch () const {
- return models_branch;
- }
- inline void set_models_branch (ssgBranch *t) {
- models_branch = t;
- }
-
- inline ssgBranch *get_aircraft_branch () const {
- return aircraft_branch;
- }
- inline void set_aircraft_branch (ssgBranch *t) {
- aircraft_branch = t;
- }
-
- void register_placement_transform(ssgPlacementTransform *trans);
- void unregister_placement_transform(ssgPlacementTransform *trans);
+ bool get_cart_elevation_m(const SGVec3d& pos, double max_altoff,
+ double& elevation, const SGMaterial** 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.
+ /// On success, true is returned.
+ bool get_cart_ground_intersection(const SGVec3d& start, const SGVec3d& dir,
+ 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 avaliable 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();
};
projects / flightgear.git / blobdiff