1 // FGAIBase - abstract base class for AI objects
2 // Written by David Culp, started Nov 2003, based on
3 // David Luff's FGAIEntity class.
4 // - davidculp2@comcast.net
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License as
8 // published by the Free Software Foundation; either version 2 of the
9 // License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef _FG_AIBASE_HXX
21 #define _FG_AIBASE_HXX
23 #include <simgear/constants.h>
24 #include <simgear/math/point3d.hxx>
25 #include <simgear/scene/model/placement.hxx>
36 virtual void update(double dt);
37 inline Point3D GetPos() { return(pos); }
41 virtual void unbind();
43 void setPath( const char* model );
44 void setSpeed( double speed_KTAS );
45 void setAltitude( double altitude_ft );
46 void setHeading( double heading );
47 void setLatitude( double latitude );
48 void setLongitude( double longitude );
50 void setDie( bool die );
55 SGPropertyNode *props;
57 Point3D pos; // WGS84 lat & lon in degrees, elev above sea-level in meters
58 double hdg; // True heading in degrees
59 double roll; // degrees, left is negative
60 double pitch; // degrees, nose-down is negative
61 double speed; // knots true airspeed
62 double altitude; // meters above sea level
63 double vs; // vertical speed, feet per minute
65 double tgt_heading; // target heading, degrees true
66 double tgt_altitude; // target altitude, *feet* above sea level
67 double tgt_speed; // target speed, KTAS
74 string model_path; //Path to the 3D model
80 static FGAIBase *_self;
81 const char *_type_str;
85 static void _setLongitude( double longitude );
86 static void _setLatitude ( double latitude );
87 static double _getLongitude();
88 static double _getLatitude ();
93 inline void FGAIBase::setPath( const char* model ) {
94 model_path.append(model);
97 inline void FGAIBase::setSpeed( double speed_KTAS ) {
98 speed = tgt_speed = speed_KTAS;
101 inline void FGAIBase::setAltitude( double altitude_ft ) {
102 altitude = tgt_altitude = altitude_ft;
103 pos.setelev(altitude * SG_FEET_TO_METER);
106 inline void FGAIBase::setHeading( double heading ) {
107 hdg = tgt_heading = heading;
110 inline void FGAIBase::setLongitude( double longitude ) {
111 pos.setlon( longitude );
114 inline void FGAIBase::setLatitude ( double latitude ) {
115 pos.setlat( latitude );
118 inline void FGAIBase::setDie( bool die ) { delete_me = die; }
119 inline bool FGAIBase::getDie() { return delete_me; }
121 #endif // _FG_AIBASE_HXX