#include <Main/fgfs.hxx>
-FG_USING_STD(list);
-FG_USING_STD(vector);
-FG_USING_STD(string);
+SG_USING_STD(list);
+SG_USING_STD(vector);
+SG_USING_STD(string);
typedef double FG_VECTOR_3[3];
// outputs
double RPM;
- double Manifold_Pressure;
+ double Manifold_Pressure; //inches
double MaxHP;
- double Percentage_Power;
- double EGT;
- double CHT;
- double prop_thrust;
+ double Percentage_Power; //HP
+ double EGT; //deg F
+ double CHT; //deg F
+ double prop_thrust; //lbs
+ double Fuel_Flow; //Gals/hr
/* others...
double PercentN1,N1; //GE,CFM
inline double get_EGT() const { return EGT; }
inline double get_CHT() const { return CHT; }
inline double get_prop_thrust() const { return prop_thrust; }
+ inline double get_Fuel_Flow() const { return Fuel_Flow; }
inline void set_Throttle( double t ) { Throttle = t; }
inline void set_Mixture( double m ) { Mixture = m; }
inline void set_EGT( double e ) { EGT = e; }
inline void set_CHT( double c ) { CHT = c; }
inline void set_prop_thrust( double t ) { prop_thrust = t; }
+ inline void set_Fuel_Flow( double f ) { Fuel_Flow = f; }
};
private:
+ // periodic update management variable. This is a scheme to run
+ // the fdm with a fixed delta-t. We control how many iteration of
+ // the fdm to run with the fixed dt based on the elapsed time from
+ // the last update. This allows us to maintain sync with the real
+ // time clock, even though each frame could take a random amount
+ // of time. Since "dt" is unlikely to divide evenly into the
+ // elapse time, we keep track of the remainder and add it into the
+ // next elapsed time. This yields a small amount of temporal
+ // jitter ( < dt ) but in practice seems to work well.
+
+ double delta_t; // delta "t"
+ SGTimeStamp time_stamp; // time stamp of last run
+ long elapsed; // time elapsed since last run
+ long remainder; // remainder time from last run
+ int multi_loop; // number of iterations of "delta_t" to run
+
// Pilot location rel to ref pt
FG_VECTOR_3 d_pilot_rp_body_v;
double sin_longitude, cos_longitude;
double sin_latitude, cos_latitude;
double altitude_agl;
+ double Tank1Fuel; // Gals
+ double Tank2Fuel; // Gals
// Engine list
engine_list engines;
- SGTimeStamp valid_stamp; // time this record is valid
- SGTimeStamp next_stamp; // time this record is valid
+ // SGTimeStamp valid_stamp; // time this record is valid
+ // SGTimeStamp next_stamp; // time this record is valid
protected:
- virtual bool init( double dt );
+
+ // deliberately not virtual so that
+ // FGInterface constructor will call
+ // the right version
+ void _setup();
void _busdump(void);
void _updatePosition( double lat_geoc, double lon, double alt );
public:
- FGInterface(void);
+ FGInterface();
+ FGInterface( double dt );
virtual ~FGInterface();
virtual void init ();
virtual void unbind ();
virtual void update ();
virtual bool update( int multi_loop );
+ virtual bool ToggleDataLogging(bool state) { return false; }
+ virtual bool ToggleDataLogging(void) { return false; }
// Define the various supported flight models (many not yet implemented)
enum {
FG_EXTERNAL = 10
};
+ // time and update management values
+ inline double get_delta_t() const { return delta_t; }
+ inline void set_delta_t( double dt ) { delta_t = dt; }
+ inline SGTimeStamp get_time_stamp() const { return time_stamp; }
+ inline void set_time_stamp( SGTimeStamp s ) { time_stamp = s; }
+ inline void stamp() { time_stamp.stamp(); }
+ inline long get_elapsed() const { return elapsed; }
+ inline void set_elapsed( long e ) { elapsed = e; }
+ inline long get_remainder() const { return remainder; }
+ inline void set_remainder( long r ) { remainder = r; }
+ inline int get_multi_loop() const { return multi_loop; }
+ inline void set_multi_loop( int ml ) { multi_loop = ml; }
+
// Positions
virtual void set_Latitude(double lat); // geocentric
virtual void set_Longitude(double lon);
virtual void set_Altitude(double alt); // triggers re-calc of AGL altitude
virtual void set_AltitudeAGL(double altagl); // and vice-versa
virtual void set_Latitude_deg (double lat) {
- set_Latitude(lat * DEG_TO_RAD);
+ set_Latitude(lat * SGD_DEGREES_TO_RADIANS);
}
virtual void set_Longitude_deg (double lon) {
- set_Longitude(lon * DEG_TO_RAD);
+ set_Longitude(lon * SGD_DEGREES_TO_RADIANS);
}
// Speeds -- setting any of these will trigger a re-calc of the rest
virtual void set_Psi (double psi) {
set_Euler_Angles(get_Phi(), get_Theta(), psi);
}
- virtual void set_Phi_deg (double phi) { set_Phi(phi * DEG_TO_RAD); }
+ virtual void set_Phi_deg (double phi) { set_Phi(phi * SGD_DEGREES_TO_RADIANS); }
virtual void set_Theta_deg (double theta) {
- set_Theta(theta * DEG_TO_RAD);
+ set_Theta(theta * SGD_DEGREES_TO_RADIANS);
}
- virtual void set_Psi_deg (double psi) { set_Psi(psi * DEG_TO_RAD); }
+ virtual void set_Psi_deg (double psi) { set_Psi(psi * SGD_DEGREES_TO_RADIANS); }
// Flight Path
virtual void set_Climb_Rate( double roc);
virtual void set_Velocities_Local_Airmass (double wnorth,
double weast,
double wdown );
-
+
+ // Consumables
+ inline void set_Tank1Fuel( double f ) { Tank1Fuel = f; }
+ inline void set_Tank2Fuel( double f ) { Tank2Fuel = f; }
+
+ inline void reduce_Tank1Fuel( double f ) {
+ Tank1Fuel -= f;
+ if(Tank1Fuel < 0)
+ Tank1Fuel = 0;
+ }
+ inline void reduce_Tank2Fuel( double f ) {
+ Tank2Fuel -= f;
+ if(Tank2Fuel < 0)
+ Tank2Fuel = 0;
+ }
+
// ========== Mass properties and geometry values ==========
inline double get_Altitude_AGL(void) const { return altitude_agl; }
inline double get_Latitude_deg () const {
- return get_Latitude() * RAD_TO_DEG;
+ return get_Latitude() * SGD_RADIANS_TO_DEGREES;
}
inline double get_Longitude_deg () const {
- return get_Longitude() * RAD_TO_DEG;
+ return get_Longitude() * SGD_RADIANS_TO_DEGREES;
}
// inline double * get_Euler_angles_v() { return euler_angles_v; }
inline double get_Phi() const { return euler_angles_v[0]; }
inline double get_Theta() const { return euler_angles_v[1]; }
inline double get_Psi() const { return euler_angles_v[2]; }
- inline double get_Phi_deg () const { return get_Phi() * RAD_TO_DEG; }
- inline double get_Theta_deg () const { return get_Theta() * RAD_TO_DEG; }
- inline double get_Psi_deg () const { return get_Psi() * RAD_TO_DEG; }
+ inline double get_Phi_deg () const { return get_Phi() * SGD_RADIANS_TO_DEGREES; }
+ inline double get_Theta_deg () const { return get_Theta() * SGD_RADIANS_TO_DEGREES; }
+ inline double get_Psi_deg () const { return get_Psi() * SGD_RADIANS_TO_DEGREES; }
// ========== Miscellaneous quantities ==========
inline double get_Climb_Rate() const { return climb_rate; }
- inline SGTimeStamp get_time_stamp() const { return valid_stamp; }
- inline void stamp_time() { valid_stamp = next_stamp; next_stamp.stamp(); }
+ // inline SGTimeStamp get_time_stamp() const { return valid_stamp; }
+ // inline void stamp_time() { valid_stamp = next_stamp; next_stamp.stamp(); }
// Extrapolate FDM based on time_offset (in usec)
void extrapolate( int time_offset );
return cos_latitude;
}
+ // Consumables
+ inline double get_Tank1Fuel() const { return Tank1Fuel; }
+ inline double get_Tank2Fuel() const { return Tank2Fuel; }
+
// engines
inline double get_num_engines() const {
return engines.size();
// Set the local ground elevation
void fgFDMSetGroundElevation(const string &model, double alt_meters);
+// Toggle data logging on/off
+void fgToggleFDMdataLogging(void);
+
#endif // _FLIGHT_HXX
projects / flightgear.git / blobdiff