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flightgear/src/AIModel/AIAircraft.hxx

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2.4 KiB
C++

// FGAIAircraft - AIBase derived class creates an AI aircraft
//
// Written by David Culp, started October 2003.
//
// Copyright (C) 2003 David P. Culp - 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., 675 Mass Ave, Cambridge, MA 02139, USA.
#ifndef _FG_AIAircraft_HXX
#define _FG_AIAircraft_HXX
#include "AIManager.hxx"
#include "AIBase.hxx"
#include <string>
SG_USING_STD(string);
class FGAIAircraft : public FGAIBase {
private:
typedef struct {
double accel;
double decel;
double climb_rate;
double descent_rate;
double takeoff_speed;
double climb_speed;
double cruise_speed;
double descent_speed;
double land_speed;
} PERF_STRUCT;
public:
enum aircraft_e {LIGHT=0, WW2_FIGHTER, JET_TRANSPORT, JET_FIGHTER};
static const PERF_STRUCT settings[];
FGAIAircraft();
~FGAIAircraft();
bool init();
virtual void bind();
virtual void unbind();
void update(double dt);
void SetPerformance(const PERF_STRUCT *ps);
void AccelTo(double speed);
void PitchTo(double angle);
void RollTo(double angle);
void YawTo(double angle);
void ClimbTo(double altitude);
void TurnTo(double heading);
protected:
static FGAIAircraft *_self;
private:
bool hdg_lock;
bool alt_lock;
double dt;
const PERF_STRUCT *performance;
void Run(double dt);
double sign(double x);
static bool _getGearDown();
};
inline bool FGAIAircraft::_getGearDown() {
return ((fgGetFloat("/position/altitude-agl-ft") < 150.0)
&& (fgGetFloat("/orientation/pitch-deg") < 0.0)
&& (fgGetFloat("/velocities/airspeed-kt")
< _self->performance->land_speed*1.5));
}
#endif // _FG_AIAircraft_HXX