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flightgear/Autopilot/autopilot.hxx
1998-10-16 23:26:44 +00:00

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2.9 KiB
C++

/**************************************************************************
* autopilot.hxx -- autopilot defines and prototypes (very alpha)
*
* Written by Jeff Goeke-Smith, started April 1998.
*
* Copyright (C) 1998 Jeff Goeke-Smith - jgoeke@voyager.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 _AUTOPILOT_H
#define _AUTOPILOT_H
#include <Aircraft/aircraft.hxx>
#include <Flight/flight.hxx>
#include <Controls/controls.h>
#ifdef __cplusplus
extern "C" {
#endif
// Structures
typedef struct {
int heading_hold; // the current state of the heading hold
int altitude_hold; // the current state of the altitude hold
int terrain_follow; // the current state of the terrain follower
int auto_throttle; // the current state of the auto throttle
double TargetHeading; // the heading the AP should steer to.
double TargetAltitude; // altitude to hold
double TargetAGL; // the terrain separation
double TargetClimbRate; // climb rate to shoot for
double TargetSpeed; // speed to shoot for
double alt_error_accum; // altitude error accumulator
double speed_error_accum; // speed error accumulator
double TargetSlope; // the glide slope hold value
double MaxRoll ; // the max the plane can roll for the turn
double RollOut; // when the plane should roll out
// measured from Heading
double MaxAileron; // how far to move the aleroin from center
double RollOutSmooth; // deg to use for smoothing Aileron Control
double MaxElevator; // the maximum elevator allowed
double SlopeSmooth; // smoothing angle for elevator
} fgAPData, *fgAPDataPtr ;
// Defines
#define AP_CURRENT_HEADING -1
// prototypes
void fgAPInit( fgAIRCRAFT *current_aircraft );
int fgAPRun( void );
void fgAPToggleHeading( void );
void fgAPToggleAltitude( void );
void fgAPToggleTerrainFollow( void );
void fgAPToggleAutoThrottle( void );
#ifdef __cplusplus
}
#endif
#endif // _AUTOPILOT_H