// Written by David Luff, started March 2002.
//
// Copyright (C) 2002 David C. Luff - david.luff@nottingham.ac.uk
+// Copyright (C) 2008 Daniyar Atadjanov (ground clearance, gear check, weather, etc.)
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
# include <string.h> // MSVC doesn't have strings.h
#endif
+#include <sstream>
+#include <iomanip>
+
+#include <simgear/debug/logstream.hxx>
+#include <simgear/math/sg_geodesy.hxx>
+#include <simgear/math/sg_random.h>
+#include <simgear/misc/sg_path.hxx>
+
#include <Main/globals.hxx>
#include <Airports/runways.hxx>
-#include <simgear/math/sg_geodesy.hxx>
-#include <simgear/debug/logstream.hxx>
#include "tower.hxx"
#include "ATCmgr.hxx"
#include "commlist.hxx"
#include "AILocalTraffic.hxx"
+
SG_USING_STD(cout);
// TowerPlaneRec
clearedToLineUp(false),
clearedToTakeOff(false),
holdShortReported(false),
+ lineUpReported(false),
downwindReported(false),
longFinalReported(false),
longFinalAcknowledged(false),
opType(TTT_UNKNOWN),
leg(LEG_UNKNOWN),
landingType(AIP_LT_UNKNOWN),
+ gearWasUp(false),
+ gearUpReported(false),
isUser(false)
{
plane.callsign = "UNKNOWN";
clearedToLineUp(false),
clearedToTakeOff(false),
holdShortReported(false),
+ lineUpReported(false),
downwindReported(false),
longFinalReported(false),
longFinalAcknowledged(false),
opType(TTT_UNKNOWN),
leg(LEG_UNKNOWN),
landingType(AIP_LT_UNKNOWN),
+ gearWasUp(false),
+ gearUpReported(false),
isUser(false)
{
plane = p;
clearedToLineUp(false),
clearedToTakeOff(false),
holdShortReported(false),
+ lineUpReported(false),
downwindReported(false),
longFinalReported(false),
longFinalAcknowledged(false),
opType(TTT_UNKNOWN),
leg(LEG_UNKNOWN),
landingType(AIP_LT_UNKNOWN),
+ gearWasUp(false),
+ gearUpReported(false),
isUser(false)
{
plane.callsign = "UNKNOWN";
clearedToLineUp(false),
clearedToTakeOff(false),
holdShortReported(false),
+ lineUpReported(false),
downwindReported(false),
longFinalReported(false),
longFinalAcknowledged(false),
opType(TTT_UNKNOWN),
leg(LEG_UNKNOWN),
landingType(AIP_LT_UNKNOWN),
+ gearWasUp(false),
+ gearUpReported(false),
isUser(false)
{
plane = p;
}
}
+ RemoveAllUserDialogOptions();
+
// TODO - attempt to get a departure control pointer to see if we need to hand off departing traffic to departure.
// Get the airport elevation
// TODO - this currently assumes only one active runway.
rwyOccupied = OnActiveRunway(Point3D(user_lon_node->getDoubleValue(), user_lat_node->getDoubleValue(), 0.0));
- if(rwyOccupied) {
+
+ if(!OnAnyRunway(Point3D(user_lon_node->getDoubleValue(), user_lat_node->getDoubleValue(), 0.0), false)) {
+ //cout << ident << " ADD 0\n";
+ current_atcdialog->add_entry(ident, "@AP Tower, @CS @MI miles @CD of the airport for full stop@AT",
+ "Contact tower for VFR arrival (full stop)", TOWER,
+ (int)USER_REQUEST_VFR_ARRIVAL_FULL_STOP);
+ } else {
//cout << "User found on active runway\n";
// Assume the user is started at the threshold ready to take-off
TowerPlaneRec* t = new TowerPlaneRec;
t->leg = TAKEOFF_ROLL;
t->isUser = true;
t->planePtr = NULL;
- t->clearedToTakeOff = true;
+ t->clearedToTakeOff = false;
rwyList.push_back(t);
rwyListItr = rwyList.begin();
departed = false;
- } else {
- //cout << "User not on active runway\n";
- // For now assume that this means the user is not at the airport and is in the air.
- // TODO FIXME - this will break when user starts on apron, at hold short, etc.
- if(!OnAnyRunway(Point3D(user_lon_node->getDoubleValue(), user_lat_node->getDoubleValue(), 0.0))) {
- //cout << ident << " ADD 0\n";
- current_atcdialog->add_entry(ident, "@AP Tower, @CS @MI miles @CD of the airport for full stop with ATIS", "Contact tower for VFR arrival (full stop)", TOWER, (int)USER_REQUEST_VFR_ARRIVAL_FULL_STOP);
- }
+ current_atcdialog->add_entry(ident, "@CS @TO", "Request departure / take-off clearance",
+ TOWER, (int)USER_REQUEST_TAKE_OFF);
}
}
void FGTower::ReceiveUserCallback(int code) {
if(code == (int)USER_REQUEST_VFR_DEPARTURE) {
- //cout << "User requested departure\n";
+ RequestDepartureClearance("USER");
} else if(code == (int)USER_REQUEST_VFR_ARRIVAL) {
VFRArrivalContact("USER");
} else if(code == (int)USER_REQUEST_VFR_ARRIVAL_FULL_STOP) {
ReportRunwayVacated("USER");
} else if(code == (int)USER_REPORT_GOING_AROUND) {
ReportGoingAround("USER");
+ } else if(code == (int)USER_REQUEST_TAKE_OFF) {
+ RequestTakeOffClearance("USER");
}
}
// For now we'll clear straight in if greater than 1km from a line drawn through the threshold perpendicular to the rwy.
// Later on we might check the actual heading and direct some of those to enter on downwind or base.
Point3D op = ortho.ConvertToLocal(t->pos);
+ float gp = fgGetFloat("/gear/gear/position-norm");
+ if(gp < 1)
+ t->gearWasUp = true; // This will be needed on final to tell "Gear down, ready to land."
if(op.y() < -1000) {
trns += " Report three mile straight-in runway ";
t->opType = STRAIGHT_IN;
if(t->isUser) {
- current_atcdialog->add_entry(ident, "@AP Tower, @CS @MI mile final Runway @RW", "Report Final", TOWER, (int)USER_REPORT_3_MILE_FINAL);
+ current_atcdialog->add_entry(ident, "@CS @MI mile final runway @RW@GR", "Report Final", TOWER, (int)USER_REPORT_3_MILE_FINAL);
} else {
t->planePtr->RegisterTransmission(14);
}
//cout << "Tower " << ident << " is responding to downwind reported...\n";
ProcessDownwindReport(t);
t->downwindReported = false;
+ } else if(t->lineUpReported) {
+ string trns = t->plane.callsign;
+ if(rwyOccupied) {
+ double f = globals->get_ATC_mgr()->GetFrequency(ident, ATIS) / 100.0;
+ string wtr;
+ if(!f) {
+ wtr = ", " + GetWeather();
+ }
+ trns += " Cleared for take-off" + wtr;
+ t->clearedToTakeOff = true;
+ } else {
+ if(!OnAnyRunway(Point3D(user_lon_node->getDoubleValue(), user_lat_node->getDoubleValue(), 0.0), true)) {
+ // TODO: Check if any AI Planes on final and tell something like: "After the landing CALLSIGN line up runway two eight right"
+ trns += " Line up runway " + ConvertRwyNumToSpokenString(activeRwy);
+ t->clearedToTakeOff = false;
+ current_atcdialog->add_entry(ident, "@CS @TO", "Report ready for take-off", TOWER, (int)USER_REQUEST_TAKE_OFF);
+
+ } else {
+ sg_srandom_time();
+ if((int(sg_random() * 10) + 1) != 3) {
+ t->clearedToTakeOff = true;
+ trns += " Cleared immediate take-off ";
+ } else {
+ t->clearedToTakeOff = false;
+ trns += " Negative, departure runway " + ConvertRwyNumToSpokenString(activeRwy);
+ }
+ }
+ }
+ if(_display) {
+ pending_transmission = trns;
+ Transmit();
+ } else {
+ //cout << "Not displaying, trns was " << trns << '\n';
+ }
+ t->lineUpReported = false;
} else if(t->holdShortReported) {
//cout << "Tower " << ident << " is reponding to holdShortReported...\n";
if(t->nextOnRwy) {
if(t->landingType == FULL_STOP) {
trns += " cleared to land ";
} else {
- trns += " cleared for the option ";
+ double f = globals->get_ATC_mgr()->GetFrequency(ident, ATIS) / 100.0;
+ string wtr;
+ if(!f) {
+ wtr = ", " + GetWeather();
+ } else {
+ wtr = ", runway " + ConvertRwyNumToSpokenString(activeRwy);
+ }
+ trns += " cleared to land" + wtr;
}
// TODO - add winds
t->clearedToLand = true;
disp = false;
} else {
trns += " continue approach";
+ trns += " and report ";
+ trns += ((rwy.patternDirection == 1) ? "right " : "left ");
+ trns += "downwind runway " + ConvertRwyNumToSpokenString(activeRwy);
+ t->opType = CIRCUIT;
+ if(t->isUser) {
+ current_atcdialog->add_entry(ident, "@AP Tower, @CS Downwind @RW", "Report Downwind", TOWER, (int)USER_REPORT_DOWNWIND);
+ } else {
+ t->planePtr->RegisterTransmission(15);
+ }
t->clearedToLand = false;
}
if(_display && disp) {
doThresholdETACalc();
TowerPlaneRec* tf = NULL;
for(tower_plane_rec_list_iterator twrItr = appList.begin(); twrItr != appList.end(); twrItr++) {
- if((*twrItr)->eta < (t->eta + 45)) {
+ if((*twrItr)->eta < (t->eta + 45) && strcmp((*twrItr)->plane.callsign.c_str(), t->plane.callsign.c_str()) != 0) { // don't let ATC ask you to follow yourself
a++;
tf = *twrItr;
cf = true;
//if(departed plane < some threshold in time away) {
if(0) { // FIXME
//if(timeSinceLastDeparture <= 60.0 && departed == true) {
- trns += " line up";
+ trns += " line up runway " + ConvertRwyNumToSpokenString(activeRwy);
t->clearedToLineUp = true;
t->planePtr->RegisterTransmission(3); // cleared to line-up
//} else if(arriving plane < some threshold away) {
//cout << "departed = " << departed << '\n';
//cout << "timeSinceLastDeparture = " << timeSinceLastDeparture << '\n';
if(rwyOccupied) {
- // Do nothing
+ RemoveAllUserDialogOptions();
+ current_atcdialog->add_entry(ident, "@CS Ready for take-off", "Request take-off clearance", TOWER, (int)USER_REQUEST_TAKE_OFF);
} else if(timeSinceLastDeparture <= 60.0 && departed == true) {
// Do nothing - this is a bit of a hack - should maybe do line up be ready here
} else {
// eg. is the plane accelerating down the runway taking off [OK],
// or stationary near the start [V. BAD!!].
// For now this should stop the AI plane landing on top of the user.
- string trns = t->plane.callsign;
- trns += " GO AROUND TRAFFIC ON RUNWAY I REPEAT GO AROUND";
- pending_transmission = trns;
- ImmediateTransmit();
- t->instructedToGoAround = true;
- t->clearedToLand = false;
- // Assume it complies!!!
- t->opType = CIRCUIT;
- t->leg = CLIMBOUT;
- if(t->planePtr) {
- //cout << "Registering Go-around transmission with AI plane\n";
- t->planePtr->RegisterTransmission(13);
+ tower_plane_rec_list_iterator twrItr;
+ twrItr = rwyList.begin();
+ TowerPlaneRec* tpr = *twrItr;
+ if(strcmp(tpr->plane.callsign.c_str(), t->plane.callsign.c_str()) == 0
+ && rwyList.size() == 1) {
+ // Fixing bug when ATC says that we must go around because of traffic on rwy
+ // but that traffic is our plane! In future we can use this expression
+ // for other ATC-messages like "On ground at 46, vacate left."
+
+ } else {
+ string trns = t->plane.callsign;
+ trns += " GO AROUND TRAFFIC ON RUNWAY I REPEAT GO AROUND";
+ pending_transmission = trns;
+ ImmediateTransmit();
+ t->instructedToGoAround = true;
+ t->clearedToLand = false;
+ // Assume it complies!!!
+ t->opType = CIRCUIT;
+ t->leg = CLIMBOUT;
+ if(t->planePtr) {
+ //cout << "Registering Go-around transmission with AI plane\n";
+ t->planePtr->RegisterTransmission(13);
+ }
}
} else if(!t->clearedToLand) {
// The whip through the appList is a hack since currently t->nextOnRwy doesn't always work
}
doThresholdETACalc(); // We need this here because planes in the lists are not guaranteed to *always* have the correct ETA
//cout << "eta is " << t->eta << ", rwy is " << (rwyList.size() ? "occupied " : "clear ") << '\n';
+ Point3D tortho = ortho.ConvertToLocal(t->pos);
if(t->eta < 12 && rwyList.size() && !(t->instructedToGoAround)) {
// TODO - need to make this more sophisticated
// eg. is the plane accelerating down the runway taking off [OK],
// or stationary near the start [V. BAD!!].
// For now this should stop the AI plane landing on top of the user.
- string trns = t->plane.callsign;
- trns += " GO AROUND TRAFFIC ON RUNWAY I REPEAT GO AROUND";
- pending_transmission = trns;
- ImmediateTransmit();
- t->instructedToGoAround = true;
- t->clearedToLand = false;
- t->nextOnRwy = false; // But note this is recalculated so don't rely on it
- // Assume it complies!!!
- t->opType = CIRCUIT;
- t->leg = CLIMBOUT;
- if(!t->isUser) {
- if(t->planePtr) {
- //cout << "Registering Go-around transmission with AI plane\n";
- t->planePtr->RegisterTransmission(13);
- }
+ tower_plane_rec_list_iterator twrItr;
+ twrItr = rwyList.begin();
+ TowerPlaneRec* tpr = *twrItr;
+ if(strcmp ( tpr->plane.callsign.c_str(), t->plane.callsign.c_str() ) == 0 && rwyList.size() == 1) {
+ // Fixing bug when ATC says that we must go around because of traffic on rwy
+ // but that traffic is we! In future we can use this expression
+ // for other ATC-messages like "On ground at 46, vacate left."
+
} else {
- // TODO - add Go-around ack to comm options,
- // remove report rwy vacated. (possibly).
+ string trns = t->plane.callsign;
+ trns += " GO AROUND TRAFFIC ON RUNWAY I REPEAT GO AROUND";
+ pending_transmission = trns;
+ ImmediateTransmit();
+ t->instructedToGoAround = true;
+ t->clearedToLand = false;
+ t->nextOnRwy = false; // But note this is recalculated so don't rely on it
+ // Assume it complies!!!
+ t->opType = CIRCUIT;
+ t->leg = CLIMBOUT;
+ if(!t->isUser) {
+ if(t->planePtr) {
+ //cout << "Registering Go-around transmission with AI plane\n";
+ t->planePtr->RegisterTransmission(13);
+ }
+ } else {
+ // TODO - add Go-around ack to comm options,
+ // remove report rwy vacated. (possibly).
+ }
+ }
+ } else if(t->isUser && t->eta < 90 && tortho.y() > -2500 && t->clearedToLand && t->gearUpReported == false) {
+ // Check if gear up or down
+ double gp = fgGetFloat("/gear/gear/position-norm");
+ if(gp < 1) {
+ string trnsm = t->plane.callsign;
+ sg_srandom_time();
+ int rnd = int(sg_random() * 2) + 1;
+ if(rnd == 2) { // Random message for more realistic ATC ;)
+ trnsm += ", LANDING GEAR APPEARS UP!";
+ } else {
+ trnsm += ", Check wheels down and locked.";
+ }
+ pending_transmission = trnsm;
+ ImmediateTransmit();
+ t->gearUpReported = true;
}
} else if(t->eta < 90 && !t->clearedToLand) {
//doThresholdETACalc();
if(t->isUser) distout = dclGetHorizontalSeparation(Point3D(lon, lat, elev), Point3D(user_lon_node->getDoubleValue(), user_lat_node->getDoubleValue(), user_elev_node->getDoubleValue()));
else distout = dclGetHorizontalSeparation(Point3D(lon, lat, elev), t->planePtr->GetPos());
//cout << " distout = " << distout << '\n';
+ if(t->isUser && !(t->clearedToTakeOff)) { // HACK - we use clearedToTakeOff to check if ATC already contacted with plane (and cleared take-off) or not
+ if(!OnAnyRunway(Point3D(user_lon_node->getDoubleValue(), user_lat_node->getDoubleValue(), 0.0), false)) {
+ current_atcdialog->remove_entry(ident, USER_REQUEST_TAKE_OFF, TOWER);
+ t->clearedToTakeOff = true; // FIXME
+ }
+ }
if(distout > 10000) {
string trns = t->plane.callsign;
trns += " You are now clear of my airspace, good day";
// Change the communication options
RemoveAllUserDialogOptions();
//cout << "ADD A\n";
- current_atcdialog->add_entry(ident, "@AP Tower, @CS @MI miles @CD of the airport for full stop with ATIS", "Contact tower for VFR arrival (full stop)", TOWER, (int)USER_REQUEST_VFR_ARRIVAL_FULL_STOP);
+ current_atcdialog->add_entry(ident, "@AP Tower, @CS @MI miles @CD of the airport for full stop@AT", "Contact tower for VFR arrival (full stop)", TOWER, (int)USER_REQUEST_VFR_ARRIVAL_FULL_STOP);
} else {
// Send a clear-of-airspace signal
// TODO - implement this once we actually have departing AI traffic (currently all circuits or arrivals).
current_atcdialog->remove_entry(ident, USER_REPORT_DOWNWIND, TOWER);
current_atcdialog->remove_entry(ident, USER_REPORT_RWY_VACATED, TOWER);
current_atcdialog->remove_entry(ident, USER_REPORT_GOING_AROUND, TOWER);
+ current_atcdialog->remove_entry(ident, USER_REQUEST_TAKE_OFF, TOWER);
}
// Returns true if positions of crosswind/downwind/base leg turns should be constrained by previous traffic
double wdiff = fabs(xyp.x() - xyc.x());
return((ldiff < rlen) && (wdiff < rwidth));
-}
-
+}
// Figure out if a given position lies on any runway or not
// Only call this at startup - reading the runways database is expensive and needs to be fixed!
-bool FGTower::OnAnyRunway(const Point3D& pt) {
+bool FGTower::OnAnyRunway(const Point3D& pt, bool onGround) {
ATCData ad;
- double dist = current_commlist->FindClosest(lon, lat, elev, ad, TOWER, 10.0);
+ double dist = current_commlist->FindClosest(lon, lat, elev, ad, TOWER, 7.0);
if(dist < 0.0) {
return(false);
}
+
// Based on the airport-id, go through all the runways and check for a point in them
// TODO - do we actually need to search for the airport - surely we already know our ident and
SG_LOG(SG_ATC, SG_WARN, "Unable to find any runways for airport ID " << ad.ident << " in FGTower");
}
bool on = false;
- while(runway._id == ad.ident) {
+ while(runway._id == ad.ident) {
on = OnRunway(pt, runway);
//cout << "Runway " << runway._rwy_no << ": On = " << (on ? "true\n" : "false\n");
- if(on) return(true);
- globals->get_runways()->next(&runway);
+ if(on) {
+ if(onGround == false)
+ return(true);
+ if(runway._rwy_no != "xx")
+ return(true);
+ }
+ globals->get_runways()->next(&runway);
}
return(on);
}
vacatedList.push_back(t);
}
+void FGTower::AddToHoldingList(TowerPlaneRec* t) {
+ tower_plane_rec_list_iterator it, end = holdList.end();
+ for (it = holdList.begin(); it != end; ++it) {
+ if ((*it)->plane.callsign == t->plane.callsign)
+ return;
+
+ holdList.push_back(t);
+ }
+}
// Calculate the eta of a plane to the threshold.
// For ground traffic this is the fastest they can get there.
void FGTower::RequestDepartureClearance(const string& ID) {
//cout << "Request Departure Clearance called...\n";
}
+
+void FGTower::RequestTakeOffClearance(const string& ID) {
+ string uid=ID;
+ if(ID == "USER") {
+ uid = fgGetString("/sim/user/callsign");
+ current_atcdialog->remove_entry(ident, USER_REQUEST_TAKE_OFF, TOWER);
+ }
+ TowerPlaneRec* t = FindPlane(uid);
+ if(t) {
+ if(!(t->clearedToTakeOff)) {
+ departed = false;
+ t->lineUpReported=true;
+ responseReqd = true;
+ }
+ }
+ else {
+ SG_LOG(SG_ATC, SG_WARN, "WARNING: Unable to find plane " << ID << " in FGTower::RequestTakeOffClearance(...)");
+ }
+}
void FGTower::ReportFinal(const string& ID) {
//cout << "Report Final Called at tower " << ident << " by plane " << ID << '\n';
int len;
//FGTransmission t;
string usercall = fgGetString("/sim/user/callsign");
+ TowerPlaneRec* t = FindPlane(responseID);
//transmission_list_type tmissions = transmissionlist_station[station];
//transmission_list_iterator current = tmissions.begin();
// Replace all the '@' parameters with the actual text.
int check = 0; // If mes gets overflowed the while loop can go infinite
+ double gp = fgGetFloat("/gear/gear/position-norm");
while ( strchr(&mes[0], crej) != NULL ) { // ie. loop until no more occurances of crej ('@') found
pos = strchr( &mes[0], crej );
memmove(&tag[0], pos, 3);
strcat( &dum[0], &buf[0] );
*/
}
+ else if ( strcmp ( tag, "@AT" ) == 0 ) { // ATIS ID
+ /*
+ char buf[10];
+ sprintf( buf, "%i", (int)(tpars.heading) );
+ strcat( &dum[0], &buf[0] );
+ */
+ double f = globals->get_ATC_mgr()->GetFrequency(ident, ATIS) / 100.0;
+ if(f) {
+ string atis_id;
+ atis_id = ", information " + GetATISID();
+ strcat( &dum[0], atis_id.c_str() );
+ }
+ }
else if ( strcmp ( tag, "@VD" ) == 0 ) {
/*
if ( tpars.VDir == 1 ) {
strcat( &dum[0], &buf[0] );
*/
}
+ else if ( strcmp ( tag, "@TO" ) == 0 ) { // Requesting take-off or departure clearance
+ string tmp;
+ if (rwyOccupied) {
+ tmp = "Ready for take-off";
+ } else {
+ if (OnAnyRunway(Point3D(user_lon_node->getDoubleValue(),
+ user_lat_node->getDoubleValue(), 0.0),true)) {
+ tmp = "Request take-off clearance";
+ } else {
+ tmp = "Request departure clearance";
+ }
+ }
+ strcat(&dum[0], tmp.c_str());
+ }
else if ( strcmp ( tag, "@MI" ) == 0 ) {
char buf[10];
//sprintf( buf, "%3.1f", tpars.miles );
}
else if ( strcmp ( tag, "@RW" ) == 0 ) {
strcat(&dum[0], ConvertRwyNumToSpokenString(activeRwy).c_str());
- } else if(strcmp(tag, "@CD") == 0) { // @CD = compass direction
+ }
+ else if ( strcmp ( tag, "@GR" ) == 0 ) { // Gear position (on final)
+ if(t->gearWasUp && gp > 0.99) {
+ strcat(&dum[0], ", gear down, ready to land.");
+ }
+ }
+ else if(strcmp(tag, "@CD") == 0) { // @CD = compass direction
double h = GetHeadingFromTo(Point3D(lon, lat, elev), Point3D(user_lon_node->getDoubleValue(), user_lat_node->getDoubleValue(), user_elev_node->getDoubleValue()));
while(h < 0.0) h += 360.0;
while(h > 360.0) h -= 360.0;
//break;
//}
//}
- if ( mes[0] ) return mes;
- else return "No transmission found";
+ return mes[0] ? mes : "No transmission found";
+}
+
+string FGTower::GetWeather() {
+ std::ostringstream msg;
+
+ // wind
+ double hdg = wind_from_hdg->getDoubleValue();
+ double speed = wind_speed_knots->getDoubleValue();
+ if (speed==0)
+ msg << "wind calm";
+ else
+ msg << "wind " << int(hdg) << " degrees at " << int(speed) << " knots";
+
+ // visibility
+ double visibility = fgGetDouble("/environment/visibility-m");
+ if (visibility < 10000)
+ msg << ", visibility " << int(visibility / 1609) << " miles";
+
+ // pressure / altimeter
+ double pressure = fgGetDouble("/environment/pressure-sea-level-inhg");
+ msg << ", QFE " << fixed << setprecision(2) << pressure << ".";
+
+ return msg.str();
+}
+
+string FGTower::GetATISID() {
+ int hours = fgGetInt("/sim/time/utc/hour");
+ int phonetic_id = current_commlist->GetCallSign(ident, hours, 0);
+ return GetPhoneticIdent(phonetic_id);
}
ostream& operator << (ostream& os, tower_traffic_type ttt) {
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