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flightgear/src/AIModel/AIThermal.hxx

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// FGAIThermal - FGAIBase-derived class creates an AI thermal
//
// Original by Written by David Culp
//
// An attempt to refine the thermal shape and behaviour by WooT 2009
//
// Copyright (C) 2009 Patrice Poly ( WooT )
//
// 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
2006-02-21 01:16:04 +00:00
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef _FG_AIThermal_HXX
#define _FG_AIThermal_HXX
#include "AIManager.hxx"
#include "AIBase.hxx"
#include <string>
using std::string;
class FGAIThermal : public FGAIBase {
public:
FGAIThermal();
~FGAIThermal();
void readFromScenario(SGPropertyNode* scFileNode);
bool init(ModelSearchOrder searchOrder) override;
virtual void bind();
virtual void update(double dt);
inline void setMaxStrength( double s ) { max_strength = s; };
inline void setDiameter( double d ) { diameter = d; };
inline void setHeight( double h ) { height = h; };
inline void setMaxUpdraft( double lift ) { v_up_max = lift; };
inline void setMinUpdraft( double sink ) { v_up_min = sink; };
inline void setR_up_frac( double r ) { r_up_frac = r; };
inline double getStrength() const { return strength; };
inline double getDiameter() const { return diameter; };
inline double getHeight() const { return height; };
inline double getV_up_max() const { return v_up_max; };
inline double getV_up_min() const { return v_up_min; };
inline double getR_up_frac() const { return r_up_frac; };
virtual const char* getTypeString(void) const { return "thermal"; }
void getGroundElev(double dt);
private:
void Run(double dt);
double get_strength_fac(double alt_frac);
double max_strength;
double strength;
double diameter;
double height;
double factor;
double alt_rel;
double alt;
double v_up_max;
double v_up_min;
double r_up_frac;
double cycle_timer;
double dt_count;
double time;
double xx;
double ground_elev_ft; // ground level in ft
double altitude_agl_ft; // altitude above ground in feet
bool do_agl_calc;
bool is_forming;
bool is_formed;
bool is_dying;
bool is_dead;
SGPropertyNode_ptr _surface_wind_from_deg_node;
SGPropertyNode_ptr _surface_wind_speed_node;
SGPropertyNode_ptr _aloft_wind_from_deg_node;
SGPropertyNode_ptr _aloft_wind_speed_node;
};
#endif // _FG_AIThermal_HXX