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flightgear/src/Main/bfi.cxx
2001-01-31 15:59:16 +00:00

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// bfi.cxx - Big Friendly Interface implementation
//
// Written by David Megginson, started February, 2000.
//
// Copyright (C) 2000 David Megginson - david@megginson.com
//
// THIS CLASS IS DEPRECATED; USE THE PROPERTY MANAGER INSTEAD.
//
// 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.
//
// $Id$
#include "fgfs.hxx"
#include <simgear/constants.h>
#include <simgear/debug/logstream.hxx>
#include <simgear/ephemeris/ephemeris.hxx>
#include <simgear/math/sg_types.hxx>
#include <simgear/misc/props.hxx>
#include <simgear/timing/sg_time.hxx>
#include <Aircraft/aircraft.hxx>
#include <FDM/UIUCModel/uiuc_aircraftdir.h>
#include <Controls/controls.hxx>
#include <Autopilot/newauto.hxx>
#include <Scenery/scenery.hxx>
#include <Time/light.hxx>
#include <Time/event.hxx>
#include <Time/sunpos.hxx>
#include <Time/tmp.hxx>
#include <Cockpit/radiostack.hxx>
#include <Cockpit/panel.hxx>
#ifndef FG_OLD_WEATHER
# include <WeatherCM/FGLocalWeatherDatabase.h>
#else
# include <Weather/weather.hxx>
#endif
#include "globals.hxx"
#include "fg_init.hxx"
#include "fg_props.hxx"
FG_USING_NAMESPACE(std);
#include "bfi.hxx"
////////////////////////////////////////////////////////////////////////
// Static variables.
////////////////////////////////////////////////////////////////////////
// Yech -- not thread-safe, etc. etc.
static bool _needReinit = false;
static string _temp;
static inline void needReinit ()
{
_needReinit = true;
}
/**
* Reinitialize FGFS to use the new BFI settings.
*/
static inline void
reinit ()
{
// Save the state of everything
// that's going to get clobbered
// when we reinit the subsystems.
FG_LOG(FG_GENERAL, FG_INFO, "Starting BFI reinit");
// TODO: add more AP stuff
bool apHeadingLock = FGBFI::getAPHeadingLock();
double apHeadingMag = FGBFI::getAPHeadingMag();
bool apAltitudeLock = FGBFI::getAPAltitudeLock();
double apAltitude = FGBFI::getAPAltitude();
bool gpsLock = FGBFI::getGPSLock();
// double gpsLatitude = FGBFI::getGPSTargetLatitude();
// double gpsLongitude = FGBFI::getGPSTargetLongitude();
fgReInitSubsystems();
// FIXME: this is wrong.
// All of these are scheduled events,
// and it should be possible to force
// them all to run once.
fgUpdateSunPos();
fgUpdateMoonPos();
cur_light_params.Update();
fgUpdateLocalTime();
fgUpdateWeatherDatabase();
current_radiostack->search();
// Restore all of the old states.
FGBFI::setAPHeadingLock(apHeadingLock);
FGBFI::setAPHeadingMag(apHeadingMag);
FGBFI::setAPAltitudeLock(apAltitudeLock);
FGBFI::setAPAltitude(apAltitude);
FGBFI::setGPSLock(gpsLock);
_needReinit = false;
FG_LOG(FG_GENERAL, FG_INFO, "Ending BFI reinit");
}
// BEGIN: kludge
// Allow the view to be set from two axes (i.e. a joystick hat)
// This needs to be in FGViewer itself, somehow.
static double axisLong = 0.0;
static double axisLat = 0.0;
static inline void
_set_view_from_axes ()
{
// Take no action when hat is centered
if (axisLong == 0 && axisLat == 0)
return;
double viewDir = 0;
if (axisLong < 0) { // Longitudinal axis forward
if (axisLat < 0)
viewDir = 45;
else if (axisLat > 0)
viewDir = 315;
else
viewDir = 0;
} else if (axisLong > 0) { // Longitudinal axis backward
if (axisLat < 0)
viewDir = 135;
else if (axisLat > 0)
viewDir = 225;
else
viewDir = 180;
} else { // Longitudinal axis neutral
if (axisLat < 0)
viewDir = 90;
else
viewDir = 270;
}
globals->get_current_view()->set_goal_view_offset(viewDir*DEG_TO_RAD);
// globals->get_current_view()->set_view_offset(viewDir*DEG_TO_RAD);
}
// END: kludge
////////////////////////////////////////////////////////////////////////
// Local functions
////////////////////////////////////////////////////////////////////////
/**
* Initialize the BFI by binding its functions to properties.
*
* TODO: perhaps these should migrate into the individual modules
* (i.e. they should register themselves).
*/
void
FGBFI::init ()
{
FG_LOG(FG_GENERAL, FG_INFO, "Starting BFI init");
// Simulation
fgTie("/sim/aircraft-dir", getAircraftDir, setAircraftDir);
fgTie("/sim/time/gmt", getDateString, setDateString);
fgTie("/sim/time/gmt-string", getGMTString);
// Orientation
fgTie("/orientation/heading-magnetic", getHeadingMag);
// Engine
fgTie("/engines/engine0/rpm", getRPM);
fgTie("/engines/engine0/egt", getEGT);
fgTie("/engines/engine0/cht", getCHT);
fgTie("/engines/engine0/mp", getMP);
// Autopilot
fgTie("/autopilot/locks/altitude", getAPAltitudeLock, setAPAltitudeLock);
fgTie("/autopilot/settings/altitude", getAPAltitude, setAPAltitude);
fgTie("/autopilot/locks/heading", getAPHeadingLock, setAPHeadingLock);
fgTie("/autopilot/settings/heading", getAPHeading, setAPHeading);
fgTie("/autopilot/settings/heading-magnetic",
getAPHeadingMag, setAPHeadingMag);
fgTie("/autopilot/locks/nav1", getAPNAV1Lock, setAPNAV1Lock);
// Weather
fgTie("/environment/visibility", getVisibility, setVisibility);
fgTie("/environment/wind-north", getWindNorth, setWindNorth);
fgTie("/environment/wind-east", getWindEast, setWindEast);
fgTie("/environment/wind-down", getWindDown, setWindDown);
// View
fgTie("/sim/view/axes/long", (double(*)())0, setViewAxisLong);
fgTie("/sim/view/axes/lat", (double(*)())0, setViewAxisLat);
_needReinit = false;
FG_LOG(FG_GENERAL, FG_INFO, "Ending BFI init");
}
/**
* Reinitialize FGFS if required.
*
* Some changes (especially those in aircraft position) require that
* FGFS be reinitialized afterwards. Rather than reinitialize after
* every change, the setter methods simply set a flag so that there
* can be a single reinit at the end of the frame.
*/
void
FGBFI::update ()
{
_set_view_from_axes();
if (_needReinit) {
reinit();
}
}
////////////////////////////////////////////////////////////////////////
// Simulation.
////////////////////////////////////////////////////////////////////////
/**
* Return the current aircraft directory (UIUC) as a string.
*/
string
FGBFI::getAircraftDir ()
{
return aircraft_dir;
}
/**
* Set the current aircraft directory (UIUC).
*/
void
FGBFI::setAircraftDir (string dir)
{
if (getAircraftDir() != dir) {
aircraft_dir = dir;
needReinit();
}
}
/**
* Return the current Zulu time.
*/
string
FGBFI::getDateString ()
{
string out;
char buf[64];
struct tm * t = globals->get_time_params()->getGmt();
sprintf(buf, "%.4d-%.2d-%.2dT%.2d:%.2d:%.2d",
t->tm_year + 1900, t->tm_mon + 1, t->tm_mday,
t->tm_hour, t->tm_min, t->tm_sec);
out = buf;
return out;
}
/**
* Set the current Zulu time.
*/
void
FGBFI::setDateString (string date_string)
// FGBFI::setTimeGMT (time_t time)
{
SGTime * st = globals->get_time_params();
struct tm * current_time = st->getGmt();
struct tm new_time;
// Scan for basic ISO format
// YYYY-MM-DDTHH:MM:SS
int ret = sscanf(date_string.c_str(), "%d-%d-%dT%d:%d:%d",
&(new_time.tm_year), &(new_time.tm_mon),
&(new_time.tm_mday), &(new_time.tm_hour),
&(new_time.tm_min), &(new_time.tm_sec));
// Be pretty picky about this, so
// that strange things don't happen
// if the save file has been edited
// by hand.
if (ret != 6) {
FG_LOG(FG_INPUT, FG_ALERT, "Date/time string " << date_string
<< " not in YYYY-MM-DDTHH:MM:SS format; skipped");
return;
}
// OK, it looks like we got six
// values, one way or another.
new_time.tm_year -= 1900;
new_time.tm_mon -= 1;
// Now, tell flight gear to use
// the new time. This was far
// too difficult, by the way.
long int warp =
mktime(&new_time) - mktime(current_time) + globals->get_warp();
double lon = current_aircraft.fdm_state->get_Longitude();
double lat = current_aircraft.fdm_state->get_Latitude();
double alt = current_aircraft.fdm_state->get_Altitude() * FEET_TO_METER;
globals->set_warp(warp);
st->update(lon, lat, warp);
fgUpdateSkyAndLightingParams();
}
/**
* Return the GMT as a string.
*/
string
FGBFI::getGMTString ()
{
string out;
char buf[16];
struct tm * t = globals->get_time_params()->getGmt();
sprintf(buf, " %.2d:%.2d:%.2d",
t->tm_hour, t->tm_min, t->tm_sec);
out = buf;
return out;
}
////////////////////////////////////////////////////////////////////////
// Position
////////////////////////////////////////////////////////////////////////
/**
* Return the current latitude in degrees (negative for south).
*/
double
FGBFI::getLatitude ()
{
return current_aircraft.fdm_state->get_Latitude() * RAD_TO_DEG;
}
/**
* Set the current latitude in degrees (negative for south).
*/
void
FGBFI::setLatitude (double latitude)
{
current_aircraft.fdm_state->set_Latitude(latitude * DEG_TO_RAD);
}
/**
* Return the current longitude in degrees (negative for west).
*/
double
FGBFI::getLongitude ()
{
return current_aircraft.fdm_state->get_Longitude() * RAD_TO_DEG;
}
/**
* Set the current longitude in degrees (negative for west).
*/
void
FGBFI::setLongitude (double longitude)
{
current_aircraft.fdm_state->set_Longitude(longitude * DEG_TO_RAD);
}
/**
* Return the current altitude in feet.
*/
double
FGBFI::getAltitude ()
{
return current_aircraft.fdm_state->get_Altitude();
}
/**
* Return the current altitude in above the terrain.
*/
double
FGBFI::getAGL ()
{
return current_aircraft.fdm_state->get_Altitude()
- (scenery.cur_elev * METER_TO_FEET);
}
/**
* Set the current altitude in feet.
*/
void
FGBFI::setAltitude (double altitude)
{
current_aircraft.fdm_state->set_Altitude(altitude);
}
////////////////////////////////////////////////////////////////////////
// Attitude
////////////////////////////////////////////////////////////////////////
/**
* Return the current heading in degrees.
*/
double
FGBFI::getHeading ()
{
return current_aircraft.fdm_state->get_Psi() * RAD_TO_DEG;
}
/**
* Return the current heading in degrees.
*/
double
FGBFI::getHeadingMag ()
{
return current_aircraft.fdm_state->get_Psi() * RAD_TO_DEG - getMagVar();
}
/**
* Set the current heading in degrees.
*/
void
FGBFI::setHeading (double heading)
{
FGInterface * fdm = current_aircraft.fdm_state;
fdm->set_Euler_Angles(fdm->get_Phi(), fdm->get_Theta(),
heading * DEG_TO_RAD);
}
/**
* Return the current pitch in degrees.
*/
double
FGBFI::getPitch ()
{
return current_aircraft.fdm_state->get_Theta() * RAD_TO_DEG;
}
/**
* Set the current pitch in degrees.
*/
void
FGBFI::setPitch (double pitch)
{
FGInterface * fdm = current_aircraft.fdm_state;
fdm->set_Euler_Angles(fdm->get_Phi(), pitch * DEG_TO_RAD, fdm->get_Psi());
}
/**
* Return the current roll in degrees.
*/
double
FGBFI::getRoll ()
{
return current_aircraft.fdm_state->get_Phi() * RAD_TO_DEG;
}
/**
* Set the current roll in degrees.
*/
void
FGBFI::setRoll (double roll)
{
FGInterface * fdm = current_aircraft.fdm_state;
fdm->set_Euler_Angles(roll * DEG_TO_RAD, fdm->get_Theta(), fdm->get_Psi());
}
/**
* Return the current engine0 rpm
*/
double
FGBFI::getRPM ()
{
if ( current_aircraft.fdm_state->get_engine(0) != NULL ) {
return current_aircraft.fdm_state->get_engine(0)->get_RPM();
} else {
return 0.0;
}
}
/**
* Set the current engine0 rpm
*/
void
FGBFI::setRPM (double rpm)
{
if ( current_aircraft.fdm_state->get_engine(0) != NULL ) {
if (getRPM() != rpm) {
current_aircraft.fdm_state->get_engine(0)->set_RPM( rpm );
}
}
}
/**
* Return the current engine0 EGT.
*/
double
FGBFI::getEGT ()
{
if ( current_aircraft.fdm_state->get_engine(0) != NULL ) {
return current_aircraft.fdm_state->get_engine(0)->get_EGT();
} else {
return 0.0;
}
}
/**
* Return the current engine0 CHT.
*/
double
FGBFI::getCHT ()
{
if ( current_aircraft.fdm_state->get_engine(0) != NULL ) {
return current_aircraft.fdm_state->get_engine(0)->get_CHT();
} else {
return 0.0;
}
}
/**
* Return the current engine0 CHT.
*/
double
FGBFI::getMP ()
{
if ( current_aircraft.fdm_state->get_engine(0) != NULL ) {
return current_aircraft.fdm_state->get_engine(0)->get_Manifold_Pressure();
} else {
return 0.0;
}
}
////////////////////////////////////////////////////////////////////////
// Velocities
////////////////////////////////////////////////////////////////////////
/**
* Return the current airspeed in knots.
*/
double
FGBFI::getAirspeed ()
{
// FIXME: should we add speed-up?
return current_aircraft.fdm_state->get_V_calibrated_kts();
}
/**
* Set the calibrated airspeed in knots.
*/
void
FGBFI::setAirspeed (double speed)
{
current_aircraft.fdm_state->set_V_calibrated_kts(speed);
}
/**
* Return the current sideslip (FIXME: units unknown).
*/
double
FGBFI::getSideSlip ()
{
return current_aircraft.fdm_state->get_Beta();
}
/**
* Return the current climb rate in feet/minute
*/
double
FGBFI::getVerticalSpeed ()
{
// What about meters?
return current_aircraft.fdm_state->get_Climb_Rate() * 60.0;
}
/**
* Get the current north velocity (units??).
*/
double
FGBFI::getSpeedNorth ()
{
return current_aircraft.fdm_state->get_V_north();
}
// /**
// * Set the current north velocity (units??).
// */
// void
// FGBFI::setSpeedNorth (double speed)
// {
// FGInterface * fdm = current_aircraft.fdm_state;
// // fdm->set_Velocities_Local(speed, fdm->get_V_east(), fdm->get_V_down());
// }
/**
* Get the current east velocity (units??).
*/
double
FGBFI::getSpeedEast ()
{
return current_aircraft.fdm_state->get_V_east();
}
// /**
// * Set the current east velocity (units??).
// */
// void
// FGBFI::setSpeedEast (double speed)
// {
// FGInterface * fdm = current_aircraft.fdm_state;
// // fdm->set_Velocities_Local(fdm->get_V_north(), speed, fdm->get_V_down());
// }
/**
* Get the current down velocity (units??).
*/
double
FGBFI::getSpeedDown ()
{
return current_aircraft.fdm_state->get_V_down();
}
// /**
// * Set the current down velocity (units??).
// */
// void
// FGBFI::setSpeedDown (double speed)
// {
// FGInterface * fdm = current_aircraft.fdm_state;
// // fdm->set_Velocities_Local(fdm->get_V_north(), fdm->get_V_east(), speed);
// }
////////////////////////////////////////////////////////////////////////
// Controls
////////////////////////////////////////////////////////////////////////
#if 0
/**
* Get the throttle setting, from 0.0 (none) to 1.0 (full).
*/
double
FGBFI::getThrottle ()
{
// FIXME: add engine selector
return controls.get_throttle(0);
}
/**
* Set the throttle, from 0.0 (none) to 1.0 (full).
*/
void
FGBFI::setThrottle (double throttle)
{
// FIXME: allow engine selection
controls.set_throttle(0, throttle);
}
/**
* Get the fuel mixture setting, from 0.0 (none) to 1.0 (full).
*/
double
FGBFI::getMixture ()
{
// FIXME: add engine selector
return controls.get_mixture(0);
}
/**
* Set the fuel mixture, from 0.0 (none) to 1.0 (full).
*/
void
FGBFI::setMixture (double mixture)
{
// FIXME: allow engine selection
controls.set_mixture(0, mixture);
}
/**
* Get the propellor pitch setting, from 0.0 (none) to 1.0 (full).
*/
double
FGBFI::getPropAdvance ()
{
// FIXME: add engine selector
return controls.get_prop_advance(0);
}
/**
* Set the propellor pitch, from 0.0 (none) to 1.0 (full).
*/
void
FGBFI::setPropAdvance (double pitch)
{
// FIXME: allow engine selection
controls.set_prop_advance(0, pitch);
}
/**
* Get the flaps setting, from 0.0 (none) to 1.0 (full).
*/
double
FGBFI::getFlaps ()
{
return controls.get_flaps();
}
/**
* Set the flaps, from 0.0 (none) to 1.0 (full).
*/
void
FGBFI::setFlaps (double flaps)
{
// FIXME: clamp?
controls.set_flaps(flaps);
}
/**
* Get the aileron, from -1.0 (left) to 1.0 (right).
*/
double
FGBFI::getAileron ()
{
return controls.get_aileron();
}
/**
* Set the aileron, from -1.0 (left) to 1.0 (right).
*/
void
FGBFI::setAileron (double aileron)
{
// FIXME: clamp?
controls.set_aileron(aileron);
}
/**
* Get the rudder setting, from -1.0 (left) to 1.0 (right).
*/
double
FGBFI::getRudder ()
{
return controls.get_rudder();
}
/**
* Set the rudder, from -1.0 (left) to 1.0 (right).
*/
void
FGBFI::setRudder (double rudder)
{
// FIXME: clamp?
controls.set_rudder(rudder);
}
/**
* Get the elevator setting, from -1.0 (down) to 1.0 (up).
*/
double
FGBFI::getElevator ()
{
return controls.get_elevator();
}
/**
* Set the elevator, from -1.0 (down) to 1.0 (up).
*/
void
FGBFI::setElevator (double elevator)
{
// FIXME: clamp?
controls.set_elevator(elevator);
}
/**
* Get the elevator trim, from -1.0 (down) to 1.0 (up).
*/
double
FGBFI::getElevatorTrim ()
{
return controls.get_elevator_trim();
}
/**
* Set the elevator trim, from -1.0 (down) to 1.0 (up).
*/
void
FGBFI::setElevatorTrim (double trim)
{
// FIXME: clamp?
controls.set_elevator_trim(trim);
}
/**
* Get the highest brake setting, from 0.0 (none) to 1.0 (full).
*/
double
FGBFI::getBrakes ()
{
double b1 = getCenterBrake();
double b2 = getLeftBrake();
double b3 = getRightBrake();
return (b1 > b2 ? (b1 > b3 ? b1 : b3) : (b2 > b3 ? b2 : b3));
}
/**
* Set all brakes, from 0.0 (none) to 1.0 (full).
*/
void
FGBFI::setBrakes (double brake)
{
setCenterBrake(brake);
setLeftBrake(brake);
setRightBrake(brake);
}
/**
* Get the center brake, from 0.0 (none) to 1.0 (full).
*/
double
FGBFI::getCenterBrake ()
{
return controls.get_brake(2);
}
/**
* Set the center brake, from 0.0 (none) to 1.0 (full).
*/
void
FGBFI::setCenterBrake (double brake)
{
controls.set_brake(2, brake);
}
/**
* Get the left brake, from 0.0 (none) to 1.0 (full).
*/
double
FGBFI::getLeftBrake ()
{
return controls.get_brake(0);
}
/**
* Set the left brake, from 0.0 (none) to 1.0 (full).
*/
void
FGBFI::setLeftBrake (double brake)
{
controls.set_brake(0, brake);
}
/**
* Get the right brake, from 0.0 (none) to 1.0 (full).
*/
double
FGBFI::getRightBrake ()
{
return controls.get_brake(1);
}
/**
* Set the right brake, from 0.0 (none) to 1.0 (full).
*/
void
FGBFI::setRightBrake (double brake)
{
controls.set_brake(1, brake);
}
#endif
////////////////////////////////////////////////////////////////////////
// Autopilot
////////////////////////////////////////////////////////////////////////
/**
* Get the autopilot altitude lock (true=on).
*/
bool
FGBFI::getAPAltitudeLock ()
{
return current_autopilot->get_AltitudeEnabled();
}
/**
* Set the autopilot altitude lock (true=on).
*/
void
FGBFI::setAPAltitudeLock (bool lock)
{
current_autopilot->set_AltitudeMode(FGAutopilot::FG_ALTITUDE_LOCK);
current_autopilot->set_AltitudeEnabled(lock);
}
/**
* Get the autopilot target altitude in feet.
*/
double
FGBFI::getAPAltitude ()
{
return current_autopilot->get_TargetAltitude() * METER_TO_FEET;
}
/**
* Set the autopilot target altitude in feet.
*/
void
FGBFI::setAPAltitude (double altitude)
{
current_autopilot->set_TargetAltitude( altitude );
}
/**
* Get the autopilot heading lock (true=on).
*/
bool
FGBFI::getAPHeadingLock ()
{
return
(current_autopilot->get_HeadingEnabled() &&
current_autopilot->get_HeadingMode() == FGAutopilot::FG_HEADING_LOCK);
}
/**
* Set the autopilot heading lock (true=on).
*/
void
FGBFI::setAPHeadingLock (bool lock)
{
if (lock) {
// We need to do this so that
// it's possible to lock onto a
// heading other than the current
// heading.
double heading = getAPHeadingMag();
current_autopilot->set_HeadingMode(FGAutopilot::FG_HEADING_LOCK);
current_autopilot->set_HeadingEnabled(true);
setAPHeadingMag(heading);
} else if (current_autopilot->get_HeadingMode() ==
FGAutopilot::FG_HEADING_LOCK) {
current_autopilot->set_HeadingEnabled(false);
}
}
/**
* Get the autopilot target heading in degrees.
*/
double
FGBFI::getAPHeading ()
{
return current_autopilot->get_TargetHeading();
}
/**
* Set the autopilot target heading in degrees.
*/
void
FGBFI::setAPHeading (double heading)
{
current_autopilot->set_TargetHeading( heading );
}
/**
* Get the autopilot target heading in degrees.
*/
double
FGBFI::getAPHeadingMag ()
{
return current_autopilot->get_TargetHeading() - getMagVar();
}
/**
* Set the autopilot target heading in degrees.
*/
void
FGBFI::setAPHeadingMag (double heading)
{
current_autopilot->set_TargetHeading( heading + getMagVar() );
}
/**
* Return true if the autopilot is locked to NAV1.
*/
bool
FGBFI::getAPNAV1Lock ()
{
return
(current_autopilot->get_HeadingEnabled() &&
current_autopilot->get_HeadingMode() == FGAutopilot::FG_HEADING_NAV1);
}
/**
* Set the autopilot NAV1 lock.
*/
void
FGBFI::setAPNAV1Lock (bool lock)
{
if (lock) {
current_autopilot->set_HeadingMode(FGAutopilot::FG_HEADING_NAV1);
current_autopilot->set_HeadingEnabled(true);
} else if (current_autopilot->get_HeadingMode() ==
FGAutopilot::FG_HEADING_NAV1) {
current_autopilot->set_HeadingEnabled(false);
}
}
////////////////////////////////////////////////////////////////////////
// GPS
////////////////////////////////////////////////////////////////////////
/**
* Get the autopilot GPS lock (true=on).
*/
bool
FGBFI::getGPSLock ()
{
return (current_autopilot->get_HeadingEnabled() &&
(current_autopilot->get_HeadingMode() ==
FGAutopilot::FG_HEADING_WAYPOINT ));
}
/**
* Set the autopilot GPS lock (true=on).
*/
void
FGBFI::setGPSLock (bool lock)
{
if (lock) {
current_autopilot->set_HeadingMode(FGAutopilot::FG_HEADING_WAYPOINT);
current_autopilot->set_HeadingEnabled(true);
} else if (current_autopilot->get_HeadingMode() ==
FGAutopilot::FG_HEADING_WAYPOINT) {
current_autopilot->set_HeadingEnabled(false);
}
}
/**
* Get the GPS target latitude in degrees (negative for south).
*/
double
FGBFI::getGPSTargetLatitude ()
{
return current_autopilot->get_TargetLatitude();
}
/**
* Get the GPS target longitude in degrees (negative for west).
*/
double
FGBFI::getGPSTargetLongitude ()
{
return current_autopilot->get_TargetLongitude();
}
#if 0
/**
* Set the GPS target longitude in degrees (negative for west).
*/
void
FGBFI::setGPSTargetLongitude (double longitude)
{
current_autopilot->set_TargetLongitude( longitude );
}
#endif
////////////////////////////////////////////////////////////////////////
// Weather
////////////////////////////////////////////////////////////////////////
/**
* Get the current visibility (meters).
*/
double
FGBFI::getVisibility ()
{
#ifndef FG_OLD_WEATHER
return WeatherDatabase->getWeatherVisibility();
#else
return current_weather.get_visibility();
#endif
}
/**
* Set the current visibility (meters).
*/
void
FGBFI::setVisibility (double visibility)
{
#ifndef FG_OLD_WEATHER
WeatherDatabase->setWeatherVisibility(visibility);
#else
current_weather.set_visibility(visibility);
#endif
}
/**
* Get the current wind north velocity (feet/second).
*/
double
FGBFI::getWindNorth ()
{
return current_aircraft.fdm_state->get_V_north_airmass();
}
/**
* Set the current wind north velocity (feet/second).
*/
void
FGBFI::setWindNorth (double speed)
{
current_aircraft.fdm_state->set_Velocities_Local_Airmass(speed,
getWindEast(),
getWindDown());
}
/**
* Get the current wind east velocity (feet/second).
*/
double
FGBFI::getWindEast ()
{
return current_aircraft.fdm_state->get_V_east_airmass();
}
/**
* Set the current wind east velocity (feet/second).
*/
void
FGBFI::setWindEast (double speed)
{
cout << "Set wind-east to " << speed << endl;
current_aircraft.fdm_state->set_Velocities_Local_Airmass(getWindNorth(),
speed,
getWindDown());
}
/**
* Get the current wind down velocity (feet/second).
*/
double
FGBFI::getWindDown ()
{
return current_aircraft.fdm_state->get_V_down_airmass();
}
/**
* Set the current wind down velocity (feet/second).
*/
void
FGBFI::setWindDown (double speed)
{
current_aircraft.fdm_state->set_Velocities_Local_Airmass(getWindNorth(),
getWindEast(),
speed);
}
////////////////////////////////////////////////////////////////////////
// View.
////////////////////////////////////////////////////////////////////////
void
FGBFI::setViewAxisLong (double axis)
{
axisLong = axis;
}
void
FGBFI::setViewAxisLat (double axis)
{
axisLat = axis;
}
////////////////////////////////////////////////////////////////////////
// Time
////////////////////////////////////////////////////////////////////////
/**
* Return the magnetic variation
*/
double
FGBFI::getMagVar ()
{
return globals->get_mag()->get_magvar() * RAD_TO_DEG;
}
/**
* Return the magnetic variation
*/
double
FGBFI::getMagDip ()
{
return globals->get_mag()->get_magdip() * RAD_TO_DEG;
}
// end of bfi.cxx