-// 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
//
// 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.
#ifndef _FG_AIBASE_HXX
#define _FG_AIBASE_HXX
+#include <string>
+#include <list>
+
+#include <simgear/constants.h>
+#include <simgear/math/SGMath.hxx>
#include <simgear/math/point3d.hxx>
#include <simgear/scene/model/placement.hxx>
-#include <string>
+#include <simgear/misc/sg_path.hxx>
+#include <simgear/structure/ssgSharedPtr.hxx>
+#include <simgear/structure/SGReferenced.hxx>
+
+#include <Main/fg_props.hxx>
SG_USING_STD(string);
+SG_USING_STD(list);
+
+class FGAIManager;
+class FGAIFlightPlan;
-class FGAIBase {
+class FGAIBase : public SGReferenced {
public:
+ enum object_type { otNull = 0, otAircraft, otShip, otCarrier, otBallistic,
+ otRocket, otStorm, otThermal, otStatic, otMultiplayer,
+ MAX_OBJECTS }; // Needs to be last!!!
+ FGAIBase(object_type ot);
virtual ~FGAIBase();
- virtual void update(double dt);
- inline Point3D GetPos() { return(pos); }
+ inline const Point3D& GetPos() const { return(pos); }
+
+ virtual void readFromScenario(SGPropertyNode* scFileNode);
+
virtual bool init();
+ virtual void update(double dt);
+ virtual void bind();
+ virtual void unbind();
+ void setManager(FGAIManager* mgr, SGPropertyNode* p);
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 setPitch( double newpitch );
+ 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 );
- inline bool getDie() { return delete_me; }
+ bool getDie();
+
+ SGVec3d getCartPosAt(const SGVec3d& off) const;
protected:
+ 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
+ ssgSharedPtr<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 int _newAIModelID();
+
+private:
+ const int _refID;
+ object_type _otype;
+
+public:
+
+ object_type getType();
+ virtual const char* getTypeString(void) const { return "null"; }
+ 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();
};
-#endif // _FG_AIBASE_HXX
+inline void FGAIBase::setManager(FGAIManager* mgr, SGPropertyNode* p) {
+ manager = mgr;
+ props = p;
+}
+
+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::setRadius( double radius ) {
+ turn_radius_ft = radius;
+}
+
+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::setPitch( double newpitch ) {
+ pitch = tgt_pitch = newpitch;
+}
+
+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; }
+
+
+
+#endif // _FG_AIBASE_HXX