-// FGAIBase - abstract base class for AI objects
+// FGAIBase.hxx - abstract base class for AI objects
// Written by David Culp, started Nov 2003, based on
// David Luff's FGAIEntity class.
// - davidculp2@comcast.net
#ifndef _FG_AIBASE_HXX
#define _FG_AIBASE_HXX
+#include <string>
+
+#include <simgear/constants.h>
#include <simgear/math/point3d.hxx>
#include <simgear/scene/model/placement.hxx>
-#include <string>
+
+#include <Main/fg_props.hxx>
SG_USING_STD(string);
+class FGAIManager;
+class FGAIFlightPlan;
+
+
+typedef struct {
+ string callsign;
+
+ // can be aircraft, ship, storm, thermal or ballistic
+ const char* m_type;
+ const char* m_class;
+ const char* path;
+ const char* flightplan;
+
+ FGAIFlightPlan *fp;
+
+ double repeat; // in seconds
+ double latitude; // used if no flightplan defined
+ double longitude; // used if no flightplan defined
+ double altitude; // used if no flightplan defined
+ double speed; // used if no flightplan defined
+ double heading; // used if no flightplan defined
+ double roll; // used if no flightplan defined
+ double azimuth; // used by ballistic objects
+ double elevation; // used by ballistic objects
+ double rudder; // used by ship objects
+ double strength; // used by thermal objects
+ double diameter; // used by thermal objects
+ double eda; // used by ballistic objects
+ double life; // life span in seconds
+ double buoyancy; // acceleration in ft per sec2
+ double wind_from_east; // in feet per second
+ double wind_from_north; // in feet per second
+ double cd; // coefficient of drag
+ bool wind; // if true, model reacts to parent wind
+ double weight; // in lbs
+} FGAIModelEntity;
+
+
class FGAIBase {
public:
+ FGAIBase();
virtual ~FGAIBase();
virtual void update(double dt);
inline Point3D GetPos() { return(pos); }
+
+ enum object_type { otNull = 0, otAircraft, otShip, otBallistic,
+ otRocket, otStorm, otThermal,
+ MAX_OBJECTS }; // Needs to be last!!!
+
virtual bool init();
+ virtual void bind();
+ virtual void unbind();
void setPath( const char* model );
void setSpeed( double speed_KTAS );
void setAltitude( double altitude_ft );
- void setLongitude( double longitude );
- void setLatitude( double latitude );
void setHeading( double heading );
+ void setLatitude( double latitude );
+ void setLongitude( double longitude );
+ void setBank( double bank );
+
+ void* getID();
void setDie( bool die );
- inline bool getDie() { return delete_me; }
+ bool getDie();
protected:
+ SGPropertyNode *props;
+ FGAIManager* manager;
+
+ // these describe the model's actual state
Point3D pos; // WGS84 lat & lon in degrees, elev above sea-level in meters
double hdg; // True heading in degrees
double roll; // degrees, left is negative
double pitch; // degrees, nose-down is negative
double speed; // knots true airspeed
double altitude; // meters above sea level
- double vs; // vertical speed, feet per minute
+ double vs; // vertical speed, feet per minute
+
+ double ft_per_deg_lon;
+ double ft_per_deg_lat;
+ // these describe the model's desired state
double tgt_heading; // target heading, degrees true
double tgt_altitude; // target altitude, *feet* above sea level
double tgt_speed; // target speed, KTAS
double tgt_yaw;
double tgt_vs;
+ // these describe radar information for the user
+ bool in_range; // true if in range of the radar, otherwise false
+ double bearing; // true bearing from user to this model
+ double elevation; // elevation in degrees from user to this model
+ double range; // range from user to this model, nm
+ double rdot; // range rate, in knots
+ double horiz_offset; // look left/right from user to me, deg
+ double vert_offset; // look up/down from user to me, deg
+ double x_shift; // value used by radar display instrument
+ double y_shift; // value used by radar display instrument
+ double rotation; // value used by radar display instrument
+
string model_path; //Path to the 3D model
+ ssgBranch * model; //The 3D model object
SGModelPlacement aip;
bool delete_me;
+ bool invisible;
+ bool no_roll;
+ double life;
+ FGAIFlightPlan *fp;
void Transform();
+
+ double UpdateRadar(FGAIManager* manager);
+
+ string _type_str;
+ object_type _otype;
+ int index;
+
+public:
+
+ object_type getType();
+ bool isa( object_type otype );
+
+ double _getVS_fps() const;
+ void _setVS_fps( double _vs );
+
+ double _getAltitude() const;
+ void _setAltitude( double _alt );
+
+ void _setLongitude( double longitude );
+ void _setLatitude ( double latitude );
+
+ double _getLongitude() const;
+ double _getLatitude () const;
+
+ double _getBearing() const;
+ double _getElevation() const;
+ double _getRdot() const;
+ double _getH_offset() const;
+ double _getV_offset() const;
+ double _getX_shift() const;
+ double _getY_shift() const;
+ double _getRotation() const;
+
+ static const double rho;
+ static const double lbs_to_slugs;
+
+ int _getID() const;
+
+ inline double _getRange() { return range; };
+
+ static bool _isNight();
};
-#endif // _FG_AIBASE_HXX
+
+inline void FGAIBase::setPath( const char* model ) {
+ model_path.append(model);
+}
+
+inline void FGAIBase::setSpeed( double speed_KTAS ) {
+ speed = tgt_speed = speed_KTAS;
+}
+
+inline void FGAIBase::setHeading( double heading ) {
+ hdg = tgt_heading = heading;
+}
+
+inline void FGAIBase::setAltitude( double altitude_ft ) {
+ altitude = tgt_altitude = altitude_ft;
+ pos.setelev(altitude * SG_FEET_TO_METER);
+}
+
+inline void FGAIBase::setBank( double bank ) {
+ roll = tgt_roll = bank;
+ no_roll = false;
+}
+
+inline void FGAIBase::setLongitude( double longitude ) {
+ pos.setlon( longitude );
+}
+inline void FGAIBase::setLatitude ( double latitude ) {
+ pos.setlat( latitude );
+}
+
+inline void FGAIBase::setDie( bool die ) { delete_me = die; }
+inline bool FGAIBase::getDie() { return delete_me; }
+
+inline FGAIBase::object_type FGAIBase::getType() { return _otype; }
+
+inline void* FGAIBase::getID() { return this; }
+
+#endif // _FG_AIBASE_HXX