// Written by David Culp, started November 2003.
// - davidculp2@comcast.net
//
+// With major additions by Vivian Meazza, Feb 2008
+//
// 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
//
// 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_AIBALLISTIC_HXX
#define _FG_AIBALLISTIC_HXX
+#include <math.h>
+#include <vector>
+#include <simgear/structure/SGSharedPtr.hxx>
+#include <simgear/scene/material/mat.hxx>
+
+
#include "AIManager.hxx"
#include "AIBase.hxx"
+SG_USING_STD(vector);
+SG_USING_STD(list);
class FGAIBallistic : public FGAIBase {
public:
- FGAIBallistic();
+ FGAIBallistic(object_type ot = otBallistic);
~FGAIBallistic();
void readFromScenario(SGPropertyNode* scFileNode);
- bool init();
+ virtual osg::Node* load3DModel(const string &path,
+ SGPropertyNode *prop_root);
+ bool init(bool search_in_AI_path=false);
virtual void bind();
virtual void unbind();
+
void update(double dt);
+ FGAIBallistic *ballistic;
+
+ void Run(double dt);
+
void setAzimuth( double az );
void setElevation( double el );
void setRoll( double rl );
void setWind( bool val );
void setCd( double c );
void setMass( double m );
+ void setWeight( double w );
+ void setNoRoll( bool nr );
+ void setRandom( bool r );
+ void setName(const string&);
+ void setCollision(bool c);
+ void setImpact(bool i);
+ void setImpactReportNode(const string&);
+ void setContentsNode(const string&);
+ void setFuseRange(double f);
+ void setSMPath(const string&);
+ void setSubID(int i);
+ void setSubmodel(const string&);
+ void setExternalForce( bool f );
+ void setForcePath(const string&);
+ void setForceStabilisation( bool val );
+ void setGroundOffset(double g);
+ void setLoadOffset(double l);
+ void setSlaved(bool s);
+ void setSlavedLoad(bool s);
+ void setHitchPos();
+ void setPch (double e, double dt, double c);
+ void setHdg (double az, double dt, double c);
+ void setBnk(double r, double dt, double c);
+ void setHt(double h, double dt, double c);
+ void setHitchVelocity(double dt);
+ void setFormate(bool f);
double _getTime() const;
+ double getRelBrgHitchToUser() const;
+ double getElevHitchToUser() const;
+ double getLoadOffset() const;
+ double getContents();
+
+ SGVec3d getCartHitchPos() const;
+
+ bool getHtAGL();
+ bool getSlaved() const;
+ bool getSlavedLoad() const;
virtual const char* getTypeString(void) const { return "ballistic"; }
+ static const double slugs_to_kgs; //conversion factor
+ static const double slugs_to_lbs; //conversion factor
+
+ SGPropertyNode_ptr _force_node;
+ SGPropertyNode_ptr _force_azimuth_node;
+ SGPropertyNode_ptr _force_elevation_node;
+
+ SGGeod hitchpos;
+
+ double _height;
+ double _ht_agl_ft; // height above ground level
+ double _azimuth; // degrees true
+ double _elevation; // degrees
+ double _rotation; // degrees
+
+ bool _formate_to_ac;
+
+ void setTgtXOffset(double x);
+ void setTgtYOffset(double y);
+ void setTgtZOffset(double z);
+ void setTgtOffsets(double dt, double c);
+
+ double getTgtXOffset() const;
+ double getTgtYOffset() const;
+ double getTgtZOffset() const;
+
+ double _tgt_x_offset;
+ double _tgt_y_offset;
+ double _tgt_z_offset;
+ double _elapsed_time;
private:
- double azimuth; // degrees true
- double elevation; // degrees
- double rotation; // degrees
- double hs; // horizontal speed (fps)
- bool aero_stabilised; // if true, object will align wit trajectory
- double drag_area; // equivalent drag area in ft2
- double life_timer; // seconds
- double gravity; // fps2
- double buoyancy; // fps2
- double wind_from_east; // fps
- double wind_from_north; // fps
- bool wind; // if true, local wind will be applied to object
- double Cd; // drag coefficient
- double mass; // slugs
+ virtual void reinit() { init(); }
+
+ bool _aero_stabilised; // if true, object will align with trajectory
+ double _drag_area; // equivalent drag area in ft2
+ double _life_timer; // seconds
+ double _gravity; // fps^2
+ double _buoyancy; // fps^2
+ double _wind_from_east; // fps
+ double _wind_from_north; // fps
+ bool _wind; // if true, local wind will be applied to object
+ double _Cd; // drag coefficient
+ double _mass; // slugs
+ bool _random; // modifier for Cd
+ double _load_resistance; // ground load resistanc N/m^2
+ double _frictionFactor; // dimensionless modifier for Coefficient of Friction
+ bool _solid; // if true ground is solid for FDMs
+ double _elevation_m; // ground elevation in meters
+ bool _force_stabilised;// if true, object will align to external force
+ bool _slave_to_ac; // if true, object will be slaved to the parent ac pos and orientation
+ bool _slave_load_to_ac;// if true, object will be slaved to the parent ac pos
+ double _contents_lb; // contents of the object
+ double _weight_lb; // weight of the object (no contents if appropriate) (lbs)
+
+ bool _report_collision; // if true a collision point with AI Objects is calculated
+ bool _report_impact; // if true an impact point on the terrain is calculated
+ bool _external_force; // if true then apply external force
+
+ SGPropertyNode_ptr _impact_report_node; // report node for impact and collision
+ SGPropertyNode_ptr _contents_node; // report node for impact and collision
+
+ double _fuse_range;
+ double _distance;
+ double _dt_count;
+ double _next_run;
+
+ string _name;
+ string _path;
+ string _submodel;
+ string _force_path;
+
+ const SGMaterial* _material;
+
+ void handle_collision();
+ void handle_impact();
+ void report_impact(double elevation, const FGAIBase *target = 0);
+ void slaveToAC(double dt);
+ void setContents(double c);
+ void formateToAC(double dt);
+
+ SGVec3d getCartUserPos() const;
+
+ double getDistanceLoadToHitch() const;
+ double getElevLoadToHitch() const;
+ double getBearingLoadToHitch() const;
+ double getRecip(double az);
+ double getMass() const;
+
+ double hs;
+ double _ground_offset;
+ double _load_offset;
+ double _force;
+ double _old_height;
+
+ SGVec3d _oldcarthitchPos;
+
+ SGGeod oldhitchpos;
- void Run(double dt);
};
#endif // _FG_AIBALLISTIC_HXX
-