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/*
SABRE Fighter Plane Simulator
Copyright (c) 1997 Dan Hammer
Portions Donated By Antti Barck
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 1, 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.
*/
/*************************************************************
* flight.h *
*************************************************************/
#ifndef __flight_h
#define __flight_h
#include "dvmath.h"
#include "fltobj.h"
class Flight
{
public:
float l_time;
Flight_Controls controls;
Flight_State state;
Flight_Forces forces;
Flight_Mods mods;
Flight_Specs *specs;
Flight(Flight_Specs *spcs)
: specs(spcs)
{
state.landing_z = 0.0;
l_time = 0.1;
}
virtual ~Flight()
{ }
void start();
void update();
void pause();
void calcState(float);
void calcForces(float);
void calcRotations(float);
void applyForces(float);
void applyRotations(float);
void read(istream &);
void write(ostream &);
friend istream & operator >>(istream & is, Flight &f)
{
f.read(is);
return(is);
}
friend ostream & operator <<(ostream & os, Flight &f)
{
f.write(os);
return(os);
}
inline DVector to_port(DVector &);
inline DVector to_world(DVector &);
static REAL_TYPE rot_acc_max;
static REAL_TYPE rot_rate_max;
static REAL_TYPE rot_max;
};
inline DVector Flight::to_port(DVector &v)
{
R_3DPoint r_w,r_p;
r_w = v.to_R_3DPoint();
r_w += state.flight_port.look_from;
state.flight_port.world2port(r_w,&r_p);
return (DVector(r_p));
}
inline DVector Flight::to_world(DVector &v)
{
R_3DPoint r_w,r_p;
r_p = v.to_R_3DPoint();
state.flight_port.port2world(r_p,&r_w);
r_w -= state.flight_port.look_from;
return (DVector(r_w));
}
inline float DAMP(float value, float d)
{
if (value == 0.0)
return value;
if (value >= d)
{
value -= d;
if (value < 0.0)
value = 0.0;
}
else
{
value += d;
if (value > 0.0)
value = 0.0;
}
return value;
}
inline void LIMIT(float &value, float limit)
{
if (fabs(value) > limit)
{
if (value < 0.0)
value = -limit;
else
value = limit;
}
}
inline void LIMITX(float &value, float limit)
{
if (fabs(value) > limit)
value = limit;
}
#endif
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