fadad5d70b
- use the ref-counting system, hopefully avoid a dangling pointer crash I encountered. (Of course it may turn into a leak)
314 lines
12 KiB
C++
314 lines
12 KiB
C++
/******************************************************************************
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* atc_mgr.cxx
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* Written by Durk Talsma, started August 1, 2010.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*
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**************************************************************************/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <iostream>
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#include <Airports/dynamics.hxx>
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#include <Airports/airportdynamicsmanager.hxx>
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#include <Airports/airport.hxx>
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#include <Scenery/scenery.hxx>
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#include <Main/globals.hxx>
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#include <Main/fg_props.hxx>
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#include <AIModel/AIAircraft.hxx>
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#include <Traffic/Schedule.hxx>
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#include <Traffic/SchedFlight.hxx>
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#include <AIModel/AIFlightPlan.hxx>
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#include "atc_mgr.hxx"
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using std::string;
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FGATCManager::FGATCManager() :
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controller(NULL),
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prevController(NULL),
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networkVisible(false),
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initSucceeded(false)
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{
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}
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FGATCManager::~FGATCManager() {
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}
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void FGATCManager::init() {
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SGSubsystem::init();
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int leg = 0;
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trans_num = globals->get_props()->getNode("/sim/atc/transmission-num", true);
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// find a reasonable controller for our user's aircraft..
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// Let's start by working out the following three scenarios:
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// Starting on ground at a parking position
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// Starting on ground at the runway.
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// Starting in the Air
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bool onGround = fgGetBool("/sim/presets/onground");
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string runway = fgGetString("/sim/atc/runway");
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string airport = fgGetString("/sim/presets/airport-id");
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string parking = fgGetString("/sim/presets/parkpos");
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// Create an (invisible) AIAircraft represenation of the current
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// Users, aircraft, that mimicks the user aircraft's behavior.
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string callsign= fgGetString("/sim/multiplay/callsign");
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double longitude = fgGetDouble("/position/longitude-deg");
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double latitude = fgGetDouble("/position/latitude-deg");
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double altitude = fgGetDouble("/position/altitude-ft");
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double heading = fgGetDouble("/orientation/heading-deg");
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double speed = fgGetDouble("/velocities/groundspeed-kt");
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double aircraftRadius = 40; // note that this is currently hardcoded to a one-size-fits all JumboJet value. Should change later;
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ai_ac = new FGAIAircraft;
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ai_ac->setCallSign ( callsign );
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ai_ac->setLongitude( longitude );
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ai_ac->setLatitude ( latitude );
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ai_ac->setAltitude ( altitude );
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ai_ac->setPerformance("", "jet_transport");
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// NEXT UP: Create a traffic Schedule and fill that with appropriate information. This we can use to flight planning.
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// Note that these are currently only defaults.
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FGAISchedule *trafficRef = new FGAISchedule;
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trafficRef->setFlightType("gate");
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FGScheduledFlight *flight = new FGScheduledFlight;
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flight->setDepartureAirport(airport);
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flight->setArrivalAirport(airport);
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flight->initializeAirports();
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flight->setFlightRules("IFR");
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flight->setCallSign(callsign);
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trafficRef->assign(flight);
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FGAIFlightPlan *fp = 0;
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ai_ac->setTrafficRef(trafficRef);
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string flightPlanName = airport + "-" + airport + ".xml";
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//double cruiseAlt = 100; // Doesn't really matter right now.
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//double courseToDest = 180; // Just use something neutral; this value might affect the runway that is used though...
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//time_t deptime = 0; // just make sure how flightplan processing is affected by this...
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FGAirportDynamicsRef dcs(flightgear::AirportDynamicsManager::find(airport));
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if (dcs && onGround) {// && !runway.empty()) {
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ParkingAssignment pk(dcs->getParkingByName(parking));
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// No valid parking location, so either at the runway or at a random location.
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if (pk.isValid()) {
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dcs->setParkingAvailable(pk.parking(), false);
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fp = new FGAIFlightPlan;
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controller = dcs->getStartupController();
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int stationFreq = dcs->getGroundFrequency(1);
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if (stationFreq > 0)
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{
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//cerr << "Setting radio frequency to : " << stationFreq << endl;
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fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
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}
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leg = 1;
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//double, lat, lon, head; // Unused variables;
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//int getId = apt->getDynamics()->getParking(gateId, &lat, &lon, &head);
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aircraftRadius = pk.parking()->getRadius();
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string fltType = pk.parking()->getType(); // gate / ramp, ga, etc etc.
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string aircraftType; // Unused.
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string airline; // Currently used for gate selection, but a fallback mechanism will apply when not specified.
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fp->setGate(pk);
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if (!(fp->createPushBack(ai_ac,
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false,
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dcs->parent(),
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aircraftRadius,
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fltType,
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aircraftType,
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airline))) {
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controller = 0;
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return;
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}
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} else if (!runway.empty()) {
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controller = dcs->getTowerController();
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int stationFreq = dcs->getTowerFrequency(2);
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if (stationFreq > 0)
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{
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//cerr << "Setting radio frequency to in airfrequency: " << stationFreq << endl;
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fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
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}
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fp = new FGAIFlightPlan;
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leg = 3;
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string fltType = "ga";
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fp->setRunway(runway);
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fp->createTakeOff(ai_ac, false, dcs->parent(), 0, fltType);
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ai_ac->setTakeOffStatus(2);
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} else {
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// We're on the ground somewhere. Handle this case later.
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}
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if (fp) {
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fp->getLastWaypoint()->setName( fp->getLastWaypoint()->getName() + string("legend"));
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}
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} else {
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controller = 0;
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}
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// Create an initial flightplan and assign it to the ai_ac. We won't use this flightplan, but it is necessary to
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// keep the ATC code happy.
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if (fp) {
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fp->restart();
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fp->setLeg(leg);
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ai_ac->SetFlightPlan(fp);
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}
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if (controller) {
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controller->announcePosition(ai_ac->getID(), fp, fp->getCurrentWaypoint()->getRouteIndex(),
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ai_ac->_getLatitude(), ai_ac->_getLongitude(), heading, speed, altitude,
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aircraftRadius, leg, ai_ac);
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//dialog.init();
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//osg::Node* node = apt->getDynamics()->getGroundNetwork()->getRenderNode();
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//cerr << "Adding groundnetWork to the scenegraph::init" << endl;
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//globals->get_scenery()->get_scene_graph()->addChild(node);
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}
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initSucceeded = true;
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}
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void FGATCManager::shutdown()
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{
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ai_ac.clear();
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activeStations.clear();
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}
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void FGATCManager::addController(FGATCController *controller) {
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activeStations.push_back(controller);
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}
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void FGATCManager::removeController(FGATCController *controller)
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{
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AtcVecIterator it;
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it = std::find(activeStations.begin(), activeStations.end(), controller);
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if (it != activeStations.end()) {
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activeStations.erase(it);
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}
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}
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void FGATCManager::update ( double time ) {
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//cerr << "ATC update code is running at time: " << time << endl;
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// Test code: let my virtual co-pilot handle ATC:
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FGAIFlightPlan *fp = ai_ac->GetFlightPlan();
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/* test code : find out how the routing develops */
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if (fp) {
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int size = fp->getNrOfWayPoints();
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//cerr << "Setting pos" << pos << " ";
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//cerr << "setting intentions " ;
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// This indicates that we have run out of waypoints: Im future versions, the
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// user should be able to select a new route, but for now just shut down the
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// system.
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if (size < 3) {
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//cerr << "Shutting down the atc_mgr" << endl;
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return;
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}
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#if 0
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// Test code: Print how far we're progressing along the taxi route.
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//std::cerr << "Size of waypoint cue " << size << " ";
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for (int i = 0; i < size; i++) {
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int val = fp->getRouteIndex(i);
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//std::cerr << fp->getWayPoint(i)->getName() << " ";
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//if ((val) && (val != pos)) {
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// intentions.push_back(val);
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// std::cerr << "[done ] " << std::endl;
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//}
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}
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//std::cerr << "[done ] " << std::endl;
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#endif
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}
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if (fp) {
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//cerr << "Currently at leg : " << fp->getLeg() << endl;
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}
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double longitude = fgGetDouble("/position/longitude-deg");
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double latitude = fgGetDouble("/position/latitude-deg");
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double heading = fgGetDouble("/orientation/heading-deg");
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double speed = fgGetDouble("/velocities/groundspeed-kt");
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double altitude = fgGetDouble("/position/altitude-ft");
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/*
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SGGeod me(SGGeod::fromDegM(longitude,
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latitude,
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altitude));
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SGGeod wpt1(SGGeod::fromDegM(fp->getWayPoint(1)->getLongitude(),
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fp->getWayPoint(1)->getLatitude(),
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fp->getWayPoint(1)->getAltitude()));
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SGGeod wpt2(SGGeod::fromDegM(fp->getWayPoint(1)->getLongitude(),
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fp->getWayPoint(1)->getLatitude(),
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fp->getWayPoint(1)->getAltitude()));
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double course1, az1, dist1;
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double course2, az2, dist2;
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SGGeodesy::inverse(me, wpt1, course1, az1, dist1);
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cerr << "Bearing to nearest waypoint : " << course1 << " " << dist1 << ". (course " << course2 << ")." << endl;
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*/
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ai_ac->setLatitude(latitude);
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ai_ac->setLongitude(longitude);
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ai_ac->setAltitude(altitude);
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ai_ac->setHeading(heading);
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ai_ac->setSpeed(speed);
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ai_ac->update(time);
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controller = ai_ac->getATCController();
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FGATCDialogNew::instance()->update(time);
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if (controller) {
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//cerr << "name of previous waypoint : " << fp->getPreviousWaypoint()->getName() << endl;
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//cerr << "Running FGATCManager::update()" << endl;
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//cerr << "Currently under control of " << controller->getName() << endl;
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controller->updateAircraftInformation(ai_ac->getID(),
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latitude,
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longitude,
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heading,
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speed,
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altitude, time);
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//string airport = fgGetString("/sim/presets/airport-id");
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//FGAirport *apt = FGAirport::findByIdent(airport);
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// AT this stage we should update the flightplan, so that waypoint incrementing is conducted as well as leg loading.
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int n = trans_num->getIntValue();
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if (n == 1) {
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//cerr << "Toggling ground network visibility " << networkVisible << endl;
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networkVisible = !networkVisible;
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trans_num->setIntValue(-1);
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}
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if ((controller != prevController) && (prevController)) {
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prevController->render(false);
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}
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controller->render(networkVisible);
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//cerr << "Adding groundnetWork to the scenegraph::update" << endl;
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prevController = controller;
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}
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for (AtcVecIterator atc = activeStations.begin(); atc != activeStations.end(); atc++) {
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(*atc)->update(time);
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}
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}
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