// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
-// $Id$
#ifndef _ENVIRONMENT_CTRL_HXX
#define _ENVIRONMENT_CTRL_HXX
-#include <simgear/compiler.h>
#include <simgear/structure/subsystem_mgr.hxx>
-#if defined(ENABLE_THREADS)
-# include <OpenThreads/Thread>
-# include <simgear/threads/SGQueue.hxx>
-#endif
-
-#include <queue>
-#include <vector>
-
-#include <Navaids/positioned.hxx>
-#include <Environment/environment.hxx>
-#include "fgwind.hxx"
-
-// forward decls
-class SGPropertyNode;
-class FGMetar;
-
-/**
- * Interface to control environment information for a specific location.
- */
-class FGEnvironmentCtrl : public SGSubsystem
-{
-
-public:
-
- FGEnvironmentCtrl ();
- virtual ~FGEnvironmentCtrl ();
-
- virtual void setEnvironment (FGEnvironment * environment);
-
- virtual const FGEnvironment * getEnvironment () const { return _environment; }
-
- virtual void setLongitudeDeg (double lon_deg);
- virtual void setLatitudeDeg (double lat_deg);
- virtual void setElevationFt (double elev_ft);
- virtual void setPosition (double lon_deg, double lat_deg, double elev_ft);
-
- virtual double getLongitudeDeg () const { return _lon_deg; }
- virtual double getLatitudeDeg () const { return _lat_deg; }
- virtual double getElevationFt () const { return _elev_ft; }
-
-protected:
-
- FGEnvironment * _environment;
- double _lon_deg;
- double _lat_deg;
- double _elev_ft;
-
-};
-
-
-\f
-/**
- * Interplation controller using user-supplied parameters.
- */
-class FGInterpolateEnvironmentCtrl : public FGEnvironmentCtrl
-{
-public:
- FGInterpolateEnvironmentCtrl ();
- virtual ~FGInterpolateEnvironmentCtrl ();
-
- virtual void init ();
- virtual void reinit ();
- virtual void update (double delta_time_sec);
-
-private:
-
- struct bucket {
- double altitude_ft;
- FGEnvironment environment;
- bool operator< (const bucket &b) const;
- // LessThan predicate for bucket pointers.
- static bool lessThan(bucket *a, bucket *b);
- };
-
- void read_table (const SGPropertyNode * node, std::vector<bucket *> &table);
- void do_interpolate (std::vector<bucket *> &table, double altitude_ft,
- FGEnvironment * environment);
-
- FGEnvironment env1, env2; // temporaries
-
- std::vector<bucket *> _boundary_table;
- std::vector<bucket *> _aloft_table;
-
- SGPropertyNode_ptr altitude_n;
- SGPropertyNode_ptr altitude_agl_n;
- SGPropertyNode_ptr boundary_transition_n;
- SGPropertyNode_ptr boundary_n;
- SGPropertyNode_ptr aloft_n;
-};
-
-
-\f
-/**
- * Interplation controller using the FGMetar class
- */
-
-class FGMetarCtrl : public SGSubsystem
-{
-public:
- FGMetarCtrl (SGSubsystem * environmentCtrl);
- virtual ~FGMetarCtrl ();
-
- virtual void init ();
- virtual void reinit ();
- virtual void update (double delta_time_sec);
-
- void set_metar( const char * metar );
- const char * get_metar(void) const;
- bool get_valid(void) const { return metar_valid; }
- void set_enabled(bool _enabled) { enabled = _enabled; }
- bool get_enabled(void) const { return enabled; }
- void set_setup_winds_aloft(bool _setup_winds_aloft) { setup_winds_aloft = _setup_winds_aloft; }
- bool get_setup_winds_aloft(void) const { return setup_winds_aloft; }
-
-private:
- void bind();
- void unbind();
-
- SGSharedPtr<FGWindModulator> windModulator;
- bool metar_valid;
- bool enabled;
- bool setup_winds_aloft;
- bool first_update;
- bool wind_interpolation_required;
- double station_elevation_ft;
- string metar;
- double interpolate_prop(const char * currentname, const char * requiredname, double dvalue);
- double interpolate_val(double currentval, double requiredval, double dvalue);
- const double EnvironmentUpdatePeriodSec; // Seconds between interpolations
- const double MaxWindChangeKtsSec; // Max wind change in kts/sec
- const double MaxVisChangePercentSec; // Max visibility change in %/sec
- const double MaxPressureChangeInHgSec; // Max pressure change in InHg/sec
- const double MaxCloudAltitudeChangeFtSec; // Max cloud altitude change in ft/s
- const double MaxCloudThicknessChangeFtSec; // Max cloud thickness change in ft/s
- const double MaxCloudInterpolationHeightFt; // Max distance from aircraft to
- // interpolate at. Any cloud
- // changes above this height
- // difference are not interpolated
- const double MaxCloudInterpolationDeltaFt; // Max difference in altitude to
- // interpolate. Any cloud changing height
- // by more than this value is not
- // interpolated
-
- SGSubsystem * _environmentCtrl;
-
- SGPropertyNode_ptr metar_base_n;
- SGPropertyNode_ptr station_id_n;
- SGPropertyNode_ptr station_elevation_n;
- SGPropertyNode_ptr min_visibility_n;
- SGPropertyNode_ptr max_visibility_n;
- SGPropertyNode_ptr base_wind_range_from_n;
- SGPropertyNode_ptr base_wind_range_to_n;
- SGPropertyNode_ptr base_wind_dir_n;
- SGPropertyNode_ptr base_wind_speed_n;
- SGPropertyNode_ptr gust_wind_speed_n;
- SGPropertyNode_ptr temperature_n;
- SGPropertyNode_ptr dewpoint_n;
- SGPropertyNode_ptr humidity_n;
- SGPropertyNode_ptr pressure_n;
- SGPropertyNode_ptr clouds_n;
- SGPropertyNode_ptr environment_clouds_n;
- SGPropertyNode_ptr rain_n;
- SGPropertyNode_ptr hail_n;
- SGPropertyNode_ptr snow_n;
- SGPropertyNode_ptr snow_cover_n;
- SGPropertyNode_ptr ground_elevation_n;
- SGPropertyNode_ptr longitude_n;
- SGPropertyNode_ptr latitude_n;
- SGPropertyNode_ptr magnetic_variation_n;
-
- SGPropertyNode_ptr boundary_wind_speed_n;
- SGPropertyNode_ptr boundary_wind_from_heading_n;
- SGPropertyNode_ptr boundary_visibility_n;
- SGPropertyNode_ptr boundary_sea_level_pressure_n;
-private:
-
-};
-
-/*
- * The subsyste to load real world weather
- */
-class FGMetarFetcher : public SGSubsystem
-{
-public:
- FGMetarFetcher();
- virtual ~FGMetarFetcher();
-
- virtual void init ();
- virtual void reinit ();
- virtual void update (double delta_time_sec);
-
-private:
- friend class MetarThread;
-#if defined(ENABLE_THREADS)
- /**
- * FIFO queue which holds a pointer to the metar requests.
- */
- SGBlockingQueue <string> request_queue;
-
- OpenThreads::Thread * metar_thread;
-#endif
-
- void fetch( const string & id );
-
- SGPropertyNode_ptr enable_n;
-
- SGPropertyNode_ptr longitude_n;
- SGPropertyNode_ptr latitude_n;
-
- SGPropertyNode_ptr proxy_host_n;
- SGPropertyNode_ptr proxy_port_n;
- SGPropertyNode_ptr proxy_auth_n;
- SGPropertyNode_ptr max_age_n;
-
- SGPropertyNode_ptr output_n;
-
- string current_airport_id;
- double fetch_timer;
- double search_timer;
- double error_timer;
-
- long _stale_count;
- long _error_count;
- bool enabled;
-};
-
+namespace Environment {
+ class LayerInterpolateController : public SGSubsystem {
+ public:
+ static LayerInterpolateController * createInstance( SGPropertyNode_ptr rootNode );
+ };
+} // namespace
#endif // _ENVIRONMENT_CTRL_HXX
projects / flightgear.git / blobdiff