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flightgear/src/AIModel/AIBase.hxx

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12 KiB
C++

// 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
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 2 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// 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., 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/scene/model/placement.hxx>
#include <simgear/misc/sg_path.hxx>
#include <simgear/structure/SGSharedPtr.hxx>
#include <simgear/structure/SGReferenced.hxx>
#include <simgear/sg_inlines.h>
#include <simgear/math/sg_geodesy.hxx>
#include <Main/fg_props.hxx>
using std::string;
using std::list;
class SGMaterial;
class FGAIManager;
class FGAIFlightPlan;
class FGAIBase : public SGReferenced {
public:
enum object_type { otNull = 0, otAircraft, otShip, otCarrier, otBallistic,
otRocket, otStorm, otThermal, otStatic, otWingman, otGroundVehicle,
otEscort, otMultiplayer,
MAX_OBJECTS }; // Needs to be last!!!
FGAIBase(object_type ot, bool enableHot);
virtual ~FGAIBase();
virtual void readFromScenario(SGPropertyNode* scFileNode);
virtual bool init(bool search_in_AI_path=false);
virtual void initModel(osg::Node *node);
virtual void update(double dt);
virtual void bind();
virtual void unbind();
virtual void reinit() {}
void updateLOD();
void setManager(FGAIManager* mgr, SGPropertyNode* p);
void setPath( const char* model );
void setSMPath( const string& p );
void setCallSign(const string& );
void setSpeed( double speed_KTAS );
void setAltitude( double altitude_ft );
void setAltitudeAGL( double altitude_agl_ft );
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 );
void setPitchoffset( double x_offset );
void setRolloffset( double y_offset );
void setYawoffset( double z_offset );
void setServiceable ( bool serviceable );
void setDie( bool die );
void setCollisionData( bool i, double lat, double lon, double elev );
void setImpactData( bool d );
void setImpactLat( double lat );
void setImpactLon( double lon );
void setImpactElev( double e );
void setParentName(const string& p);
void setName(const string& n);
void setMaxSpeed(double kts);
void calcRangeBearing(double lat, double lon, double lat2, double lon2,
double &range, double &bearing) const;
double calcRelBearingDeg(double bearing, double heading);
double calcTrueBearingDeg(double bearing, double heading);
double calcRecipBearingDeg(double bearing);
bool setParentNode();
int getID() const;
int _getSubID() const;
bool getDie();
SGVec3d getCartPosAt(const SGVec3d& off) const;
SGVec3d getCartPos() const;
bool getGroundElevationM(const SGGeod& pos, double& elev,
const SGMaterial** material) const;
double _elevation_m;
const SGMaterial* _material;
double _getCartPosX() const;
double _getCartPosY() const;
double _getCartPosZ() const;
double _x_offset;
double _y_offset;
double _z_offset;
double _pitch_offset;
double _roll_offset;
double _yaw_offset;
double _max_speed;
string _path;
string _callsign;
string _submodel;
string _name;
string _parent;
SGGeod userpos;
protected:
SGPropertyNode_ptr _selected_ac;
SGPropertyNode_ptr props;
SGPropertyNode_ptr trigger_node;
SGPropertyNode_ptr model_removed; // where to report model removal
FGAIManager* manager;
// these describe the model's actual state
SGGeod 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_ft; // feet above sea level
double vs; // vertical speed, feet per minute
double speed_north_deg_sec;
double speed_east_deg_sec;
double turn_radius_ft; // turn radius ft at 15 kts rudder angle 15 degrees
double altitude_agl_ft;
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_ft; // target altitude, *feet* above sea level
double tgt_speed; // target speed, KTAS
double tgt_roll;
double tgt_pitch;
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
double ht_diff; // value used by radar display instrument
string model_path; //Path to the 3D model
SGModelPlacement aip;
bool delete_me;
bool invisible;
bool no_roll;
bool serviceable;
bool _installed;
int _subID;
double life;
FGAIFlightPlan *fp;
bool _impact_reported;
bool _collision_reported;
bool _expiry_reported;
double _impact_lat;
double _impact_lon;
double _impact_elev;
double _impact_hdg;
double _impact_pitch;
double _impact_roll;
double _impact_speed;
void Transform();
void CalculateMach();
double UpdateRadar(FGAIManager* manager);
static int _newAIModelID();
private:
int _refID;
object_type _otype;
bool _initialized;
osg::ref_ptr<osg::LOD> _model; //The 3D model LOD object
public:
object_type getType();
virtual const char* getTypeString(void) const { return "null"; }
bool isa( object_type otype );
void _setVS_fps( double _vs );
void _setAltitude( double _alt );
void _setLongitude( double longitude );
void _setLatitude ( double latitude );
void _setSubID( int s );
void _setUserPos();
double _getAltitudeAGL(SGGeod inpos, double start);
double _getVS_fps() const;
double _getAltitude() const;
double _getLongitude() const;
double _getLatitude() const;
double _getElevationFt() const;
double _getRdot() const;
double _getH_offset() const;
double _getV_offset() const;
double _getX_shift() const;
double _getY_shift() const;
double _getRotation() const;
double _getSpeed() const;
double _getRoll() const;
double _getPitch() const;
double _getHeading() const;
double _get_speed_east_fps() const;
double _get_speed_north_fps() const;
double _get_SubPath() const;
double _getImpactLat() const;
double _getImpactLon() const;
double _getImpactElevFt() const;
double _getImpactHdg() const;
double _getImpactPitch() const;
double _getImpactRoll() const;
double _getImpactSpeed() const;
double _getXOffset() const;
double _getYOffset() const;
double _getZOffset() const;
//unsigned int _getCount() const;
bool _getServiceable() const;
bool _getFirstTime() const;
bool _getImpact();
bool _getImpactData();
bool _getCollisionData();
bool _getExpiryData();
SGPropertyNode* _getProps() const;
const char* _getPath() const;
const char* _getSMPath() const;
const char* _getCallsign() const;
const char* _getTriggerNode() const;
const char* _getName() const;
const char* _getSubmodel() const;
// These are used in the Mach number calculations
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; };
inline double _getBearing() { return bearing; };
static bool _isNight();
string & getCallSign();
};
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::setSMPath(const string& p) {
_path = p;
}
inline void FGAIBase::setServiceable(bool s) {
serviceable = s;
}
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 alt_ft ) {
altitude_ft = tgt_altitude_ft = alt_ft;
pos.setElevationFt(altitude_ft);
}
inline void FGAIBase::setAltitudeAGL( double alt_ft ) {
altitude_agl_ft = alt_ft;
}
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.setLongitudeDeg( longitude );
}
inline void FGAIBase::setLatitude ( double latitude ) {
pos.setLatitudeDeg( latitude );
}
inline void FGAIBase::setCallSign(const string& s) {
_callsign = s;
}
inline string& FGAIBase::getCallSign() {
return _callsign;
}
inline void FGAIBase::setXoffset(double x) {
_x_offset = x;
}
inline void FGAIBase::setYoffset(double y) {
_y_offset = y;
}
inline void FGAIBase::setZoffset(double z) {
_z_offset = z;
}
inline void FGAIBase::setPitchoffset(double p) {
_pitch_offset = p;
}
inline void FGAIBase::setRolloffset(double r) {
_roll_offset = r;
}
inline void FGAIBase::setYawoffset(double y) {
_yaw_offset = y;
}
inline void FGAIBase::setParentName(const string& p) {
_parent = p;
}
inline void FGAIBase::setName(const string& n) {
_name = n;
}
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::calcRangeBearing(double lat, double lon, double lat2, double lon2,
double &range, double &bearing) const
{
// calculate the bearing and range of the second pos from the first
double az2, distance;
geo_inverse_wgs_84(lat, lon, lat2, lon2, &bearing, &az2, &distance);
range = distance * SG_METER_TO_NM;
}
inline double FGAIBase::calcRelBearingDeg(double bearing, double heading){
double angle = bearing - heading;
SG_NORMALIZE_RANGE(angle, -180.0, 180.0);
return angle;
}
inline double FGAIBase::calcTrueBearingDeg(double bearing, double heading){
double angle = bearing + heading;
SG_NORMALIZE_RANGE(angle, 0.0, 360.0);
return angle;
}
inline double FGAIBase::calcRecipBearingDeg(double bearing){
double angle = bearing - 180;
SG_NORMALIZE_RANGE(angle, 0.0, 360.0);
return angle;
}
inline void FGAIBase::setMaxSpeed(double m) {
_max_speed = m;
}
#endif // _FG_AIBASE_HXX