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flightgear/src/ATC/atc_mgr.cxx

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/******************************************************************************
* atc_mgr.cxx
* Written by Durk Talsma, started August 1, 2010.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*
**************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <iostream>
#include <simgear/math/SGMath.hxx>
#include <Airports/dynamics.hxx>
#include <Airports/simple.hxx>
#include <Scenery/scenery.hxx>
#include "atc_mgr.hxx"
FGATCManager::FGATCManager() {
}
FGATCManager::~FGATCManager() {
}
void FGATCManager::init() {
SGSubsystem::init();
currentATCDialog = new FGATCDialogNew;
currentATCDialog->init();
int leg = 0;
// find a reasonable controller for our user's aircraft..
// Let's start by working out the following three scenarios:
// Starting on ground at a parking position
// Starting on ground at the runway.
// Starting in the Air
bool onGround = fgGetBool("/sim/presets/onground");
string runway = fgGetString("/sim/atc/runway");
string airport = fgGetString("/sim/presets/airport-id");
string parking = fgGetString("/sim/presets/parkpos");
// Create an (invisible) AIAircraft represenation of the current
// Users, aircraft, that mimicks the user aircraft's behavior.
string callsign= fgGetString("/sim/multiplay/callsign");
double longitude = fgGetDouble("/position/longitude-deg");
double latitude = fgGetDouble("/position/latitude-deg");
double altitude = fgGetDouble("/position/altitude-ft");
double heading = fgGetDouble("/orientation/heading-deg");
double speed = fgGetDouble("/velocities/groundspeed-kt");
double aircraftRadius = 40; // note that this is currently hardcoded to a one-size-fits all JumboJet value. Should change later;
ai_ac.setCallSign ( callsign );
ai_ac.setLongitude( longitude );
ai_ac.setLatitude ( latitude );
ai_ac.setAltitude ( altitude );
ai_ac.setPerformance("jet_transport");
// NEXT UP: Create a traffic Schedule and fill that with appropriate information. This we can use to flight plannign.
FGAISchedule *trafficRef = new FGAISchedule;
trafficRef->setFlightType("gate");
FGScheduledFlight *flight = new FGScheduledFlight;
flight->setDepartureAirport(airport);
flight->setArrivalAirport(airport);
flight->initializeAirports();
flight->setFlightRules("IFR");
flight->setCallSign(callsign);
trafficRef->assign(flight);
FGAIFlightPlan *fp = new FGAIFlightPlan;
ai_ac.setTrafficRef(trafficRef);
string flightPlanName = airport + "-" + airport + ".xml";
double cruiseAlt = 100; // Doesn't really matter right now.
double courseToDest = 180; // Just use something neutral; this value might affect the runway that is used though...
time_t deptime = 0; // just make sure how flightplan processing is affected by this...
FGAirport *apt = FGAirport::findByIdent(airport);
FGAirportDynamics* dcs = apt->getDynamics();
int park_index = dcs->getNrOfParkings() - 1;
cerr << "found information: " << runway << " " << airport << ": parking = " << parking << endl;
if (onGround) {
while (park_index >= 0 && dcs->getParkingName(park_index) != parking) park_index--;
if (park_index < 0) {
SG_LOG( SG_GENERAL, SG_ALERT,
"Failed to find parking position " << parking <<
" at airport " << airport );
}
if (parking.empty() || (park_index < 0)) {
controller = apt->getDynamics()->getTowerController();
int stationFreq = apt->getDynamics()->getTowerFrequency(2);
cerr << "Setting radio frequency to in airfrequency: " << stationFreq << endl;
fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
leg = 4;
string fltType = "ga";
fp->createTakeOff(&ai_ac, false, apt, 0, fltType);
} else {
controller = apt->getDynamics()->getStartupController();
int stationFreq = apt->getDynamics()->getGroundFrequency(2);
cerr << "Setting radio frequency to : " << stationFreq << endl;
fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
leg = 2;
//double, lat, lon, head; // Unused variables;
//int getId = apt->getDynamics()->getParking(gateId, &lat, &lon, &head);
FGParking* parking = dcs->getParking(park_index);
aircraftRadius = parking->getRadius();
string fltType = parking->getType(); // gate / ramp, ga, etc etc.
string aircraftType; // Unused.
string airline; // Currently used for gate selection, but a fallback mechanism will apply when not specified.
fp->setGate(park_index);
fp->createPushBack(&ai_ac,
false,
apt,
latitude,
longitude,
aircraftRadius,
fltType,
aircraftType,
airline);
}
} else {
controller = 0;
}
// Create an initial flightplan and assign it to the ai_ac. We won't use this flightplan, but it is necessary to
// keep the ATC code happy.
fp->restart();
ai_ac.SetFlightPlan(fp);
if (controller) {
controller->announcePosition(ai_ac.getID(), fp, fp->getCurrentWaypoint()->routeIndex,
ai_ac._getLatitude(), ai_ac._getLongitude(), heading, speed, altitude,
aircraftRadius, leg, &ai_ac);
//dialog.init();
//osg::Node* node = apt->getDynamics()->getGroundNetwork()->getRenderNode();
//cerr << "Adding groundnetWork to the scenegraph::init" << endl;
//globals->get_scenery()->get_scene_graph()->addChild(node);
}
}
void FGATCManager::addController(FGATCController *controller) {
activeStations.push_back(controller);
}
void FGATCManager::update ( double time ) {
//cerr << "ATC update code is running at time: " << time << endl;
currentATCDialog->update(time);
if (controller) {
double longitude = fgGetDouble("/position/longitude-deg");
double latitude = fgGetDouble("/position/latitude-deg");
double heading = fgGetDouble("/orientation/heading-deg");
double speed = fgGetDouble("/velocities/groundspeed-kt");
double altitude = fgGetDouble("/position/altitude-ft");
//cerr << "Running FGATCManager::update()" << endl;
controller->updateAircraftInformation(ai_ac.getID(),
latitude,
longitude,
heading,
speed,
altitude, time);
//string airport = fgGetString("/sim/presets/airport-id");
//FGAirport *apt = FGAirport::findByIdent(airport);
controller->render();
//cerr << "Adding groundnetWork to the scenegraph::update" << endl;
}
//globals->get_scenery()->get_scene_graph()->addChild(node);
}