-// 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
#define _FG_AIBASE_HXX
#include <string>
+#include <list>
#include <simgear/constants.h>
#include <simgear/math/point3d.hxx>
#include <simgear/scene/model/placement.hxx>
+#include <simgear/misc/sg_path.hxx>
#include <Main/fg_props.hxx>
SG_USING_STD(string);
+SG_USING_STD(list);
+
+class FGAIManager;
+class FGAIFlightPlan;
+
+
+struct ParkPosition {
+ ParkPosition(const ParkPosition& pp)
+ : name(pp.name), offset(pp.offset), heading_deg(pp.heading_deg)
+ {}
+ ParkPosition(const string& n, const Point3D& off = Point3D(), double heading = 0)
+ : name(n), offset(off), heading_deg(heading)
+ {}
+ string name;
+ Point3D offset;
+ double heading_deg;
+};
+
+typedef struct {
+ string callsign;
+
+ // can be aircraft, ship, storm, thermal, static or ballistic
+ string m_type;
+ string m_class;
+ string path;
+ string 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 and storm objects
+ double diameter; // used by thermal and storm objects
+ double height_msl; // used by thermal and storm 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 mass; // in slugs
+ bool aero_stabilised; // if true, ballistic object aligns with trajectory
+ list<string> solid_objects; // List of solid object names
+ list<string> wire_objects; // List of wire object names
+ list<string> catapult_objects; // List of catapult object names
+ list<ParkPosition> ppositions; // List of positions on a carrier where an aircraft can start.
+ Point3D flols_offset; // used by carrier objects, in meters
+ double radius; // used by ship objects, in feet
+ string name; // used by carrier objects
+ string pennant_number; // used by carrier objects
+ string acType; // used by aircraft objects
+ string company; // used by aircraft objects
+ string TACAN_channel_ID; // used by carrier objects
+ double max_lat; // used by carrier objects
+ double min_lat; // used by carrier objects
+ double max_long; // used by carrier objects
+ double min_long; // used by carrier objects
+
+} FGAIModelEntity;
+
class FGAIBase {
FGAIBase();
virtual ~FGAIBase();
virtual void update(double dt);
- inline Point3D GetPos() { return(pos); }
+ inline const Point3D& GetPos() const { return(pos); }
+
+ enum object_type { otNull = 0, otAircraft, otShip, otCarrier, otBallistic,
+ otRocket, otStorm, otThermal, otStatic,
+ MAX_OBJECTS }; // Needs to be last!!!
virtual bool init();
virtual void bind();
void setHeading( double heading );
void setLatitude( double latitude );
void setLongitude( double longitude );
+ void setBank( double bank );
+ void setRadius ( double radius );
+ void setXoffset( double x_offset );
+ void setYoffset( double y_offset );
+ void setZoffset( double z_offset );
+
+ int getID() const;
void setDie( bool die );
bool getDie();
+ Point3D getCartPosAt(const Point3D& off) const;
+ Point3D getGeocPosAt(const Point3D& off) const;
+
protected:
- SGPropertyNode *props;
+ SGPropertyNode_ptr 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 turn_radius_ft; // turn radius ft at 15 kts rudder angle 15 degrees
+ 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();
+ void CalculateMach();
+ double UpdateRadar(FGAIManager* manager);
- static FGAIBase *_self;
- const char *_type_str;
+ string _type_str;
+ object_type _otype;
+ int index;
-public:
+ static int _newAIModelID();
- static double _getVS_fps();
- static void _setVS_fps( double _vs );
+private:
+ const int _refID;
- static double _getAltitude();
- static void _setAltitude( double _alt );
-
- static void _setLongitude( double longitude );
- static void _setLatitude ( double latitude );
+public:
- static double _getLongitude();
- static double _getLatitude ();
+ 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;
+
+ double rho;
+ double T; // temperature, degs farenheit
+ double p; // pressure lbs/sq ft
+ double a; // speed of sound at altitude (ft/s)
+ double Mach; // Mach number
+
+ static const double e;
+ static const double lbs_to_slugs;
+
+ inline double _getRange() { return range; };
+ ssgBranch * load3DModel(const string& fg_root,
+ const string &path,
+ SGPropertyNode *prop_root,
+ double sim_time_sec);
static bool _isNight();
};
speed = tgt_speed = speed_KTAS;
}
+inline void FGAIBase::setRadius( double radius ) {
+ turn_radius_ft = radius;
+}
+
inline void FGAIBase::setHeading( double heading ) {
hdg = tgt_heading = heading;
}
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::setDie( bool die ) { delete_me = die; }
inline bool FGAIBase::getDie() { return delete_me; }
-inline void FGAIBase::_setLongitude( double longitude ) {
- _self->pos.setlon(longitude);
-}
-inline void FGAIBase::_setLatitude ( double latitude ) {
- _self->pos.setlat(latitude);
-}
+inline FGAIBase::object_type FGAIBase::getType() { return _otype; }
-inline double FGAIBase::_getLongitude() { return _self->pos.lon(); }
-inline double FGAIBase::_getLatitude () { return _self->pos.lat(); }
-inline double FGAIBase::_getVS_fps() { return _self->vs*60.0; }
-inline void FGAIBase::_setVS_fps( double _vs ) { _self->vs = _vs/60.0; }
-
-inline double FGAIBase::_getAltitude() {
- return _self->altitude * SG_METER_TO_FEET;
-}
-inline void FGAIBase::_setAltitude( double _alt ) {
- _self->setAltitude( _alt );
-}
-
-inline bool FGAIBase::_isNight() {
- return (fgGetFloat("/sim/time/sun-angle-rad") > 1.57);
-}
-#endif // _FG_AIBASE_HXX
+#endif // _FG_AIBASE_HXX