//
// 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.
//
-// $Id$
-
#ifndef _ENVIRONMENT_HXX
#define _ENVIRONMENT_HXX
#include <simgear/compiler.h>
-#include <GL/gl.h>
-
-#include <Main/fgfs.hxx>
-
-#ifdef SG_HAVE_STD_INCLUDES
-# include <cmath>
-#else
-# include <math.h>
-#endif
-
+#include <cmath>
+#include <simgear/props/tiedpropertylist.hxx>
/**
* Model the natural environment.
*
* This class should eventually move to SimGear.
*/
-class FGEnvironment : public FGSubsystem
+class FGEnvironment
{
public:
FGEnvironment();
+ FGEnvironment (const FGEnvironment &environment);
virtual ~FGEnvironment();
+
+ FGEnvironment & operator = ( const FGEnvironment & other );
+
+ virtual void read (const SGPropertyNode * node);
+ virtual void Tie( SGPropertyNode_ptr base, bool setArchivable = true );
+ virtual void Untie();
- virtual void init ();
- virtual void bind ();
- virtual void unbind ();
- virtual void update (int dt);
-
- inline virtual double get_visibility_m () const { return visibility_m; }
- inline virtual double get_wind_from_heading_deg () const {
- return wind_from_heading_deg;
- }
- inline virtual double get_wind_speed_kt () const { return wind_speed_kt; }
- inline virtual double get_wind_from_north_fps () const {
- return wind_from_north_fps;
- }
- inline virtual double get_wind_from_east_fps () const {
- return wind_from_east_fps;
- }
- inline virtual double get_wind_from_down_fps () const {
- return wind_from_down_fps;
- }
+ virtual double get_visibility_m () const;
+
+ virtual double get_temperature_sea_level_degc () const;
+ virtual double get_temperature_degc () const;
+ virtual double get_temperature_degf () const;
+ virtual double get_dewpoint_sea_level_degc () const;
+ virtual double get_dewpoint_degc () const;
+ virtual double get_pressure_sea_level_inhg () const;
+ virtual double get_pressure_inhg () const;
+ virtual double get_density_slugft3 () const;
+
+ virtual double get_relative_humidity () const;
+ virtual double get_density_tropo_avg_kgm3 () const;
+ virtual double get_altitude_half_to_sun_m () const;
+ virtual double get_altitude_tropo_top_m () const;
+
+ virtual double get_wind_from_heading_deg () const;
+ virtual double get_wind_speed_kt () const;
+ virtual double get_wind_from_north_fps () const;
+ virtual double get_wind_from_east_fps () const;
+ virtual double get_wind_from_down_fps () const;
+
+ virtual double get_turbulence_magnitude_norm () const;
+ virtual double get_turbulence_rate_hz () const;
virtual void set_visibility_m (double v);
+
+ virtual void set_temperature_sea_level_degc (double t);
+ virtual void set_temperature_degc (double t);
+ virtual void set_dewpoint_sea_level_degc (double d);
+ virtual void set_dewpoint_degc (double d);
+ virtual void set_pressure_sea_level_inhg (double p);
+ virtual void set_pressure_inhg (double p);
+
virtual void set_wind_from_heading_deg (double h);
virtual void set_wind_speed_kt (double s);
virtual void set_wind_from_north_fps (double n);
virtual void set_wind_from_east_fps (double e);
virtual void set_wind_from_down_fps (double d);
-private:
+ virtual void set_turbulence_magnitude_norm (double t);
+ virtual void set_turbulence_rate_hz (double t);
+
+ virtual double get_elevation_ft () const;
+ virtual void set_elevation_ft (double elevation_ft);
+ virtual void set_altitude_half_to_sun_m (double alt);
+ virtual void set_altitude_tropo_top_m (double alt);
+ virtual bool set_live_update(bool live_update);
+
+
+ FGEnvironment & interpolate (const FGEnvironment & env2, double fraction, FGEnvironment * result) const;
+private:
+ virtual void copy (const FGEnvironment &environment);
+ void _init();
void _recalc_hdgspd ();
+
+ void _recalc_sl_temperature ();
+ void _recalc_sl_dewpoint ();
+ void _recalc_sl_pressure ();
+
+ void _recalc_density_tropo_avg_kgm3 ();
void _recalc_ne ();
+ void _recalc_alt_dewpoint ();
+ void _recalc_density ();
+ void _recalc_relative_humidity ();
+ void _recalc_alt_pt ();
+ double elevation_ft;
double visibility_m;
+ // Atmosphere
+ double temperature_sea_level_degc;
+ double temperature_degc;
+ double dewpoint_sea_level_degc;
+ double dewpoint_degc;
+ double pressure_sea_level_inhg;
+ double pressure_inhg;
+ double density_slugft3;
+
+ double density_tropo_avg_kgm3;
+ double relative_humidity;
+ double altitude_half_to_sun_m;
+ double altitude_tropo_top_m;
+
+ double turbulence_magnitude_norm;
+ double turbulence_rate_hz;
+
double wind_from_heading_deg;
double wind_speed_kt;
double wind_from_east_fps;
double wind_from_down_fps;
- // Do these belong here?
- GLfloat fog_exp_density;
- GLfloat fog_exp2_density;
+ bool live_update;
+ simgear::TiedPropertyList _tiedProperties;
};
-// FIXME: move to FGGlobals.
-extern FGEnvironment current_environment;
-
#endif // _ENVIRONMENT_HXX