// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#include <Main/globals.hxx>
+#include <Airports/runways.hxx>
+#include <simgear/math/sg_geodesy.hxx>
+#include <simgear/debug/logstream.hxx>
#include "tower.hxx"
#include "ATCdisplay.hxx"
#include "ATCmgr.hxx"
+#include "ATCutils.hxx"
+#include "commlist.hxx"
+#include "AILocalTraffic.hxx"
+
+SG_USING_STD(cout);
// TowerPlaneRec
TowerPlaneRec::TowerPlaneRec() :
-id("UNKNOWN"),
clearedToLand(false),
-clearedToDepart(false),
+clearedToLineUp(false),
+clearedToTakeOff(false),
+holdShortReported(false),
longFinalReported(false),
longFinalAcknowledged(false),
finalReported(false),
-finalAcknowledged(false)
+finalAcknowledged(false),
+opType(TTT_UNKNOWN),
+isUser(false)
{
+ plane.callsign = "UNKNOWN";
}
-TowerPlaneRec::TowerPlaneRec(string ID) :
+TowerPlaneRec::TowerPlaneRec(PlaneRec p) :
clearedToLand(false),
-clearedToDepart(false),
+clearedToLineUp(false),
+clearedToTakeOff(false),
+holdShortReported(false),
longFinalReported(false),
longFinalAcknowledged(false),
finalReported(false),
-finalAcknowledged(false)
+finalAcknowledged(false),
+opType(TTT_UNKNOWN),
+isUser(false)
{
- id = ID;
+ plane = p;
}
TowerPlaneRec::TowerPlaneRec(Point3D pt) :
-id("UNKNOWN"),
clearedToLand(false),
-clearedToDepart(false),
+clearedToLineUp(false),
+clearedToTakeOff(false),
+holdShortReported(false),
longFinalReported(false),
longFinalAcknowledged(false),
finalReported(false),
-finalAcknowledged(false)
+finalAcknowledged(false),
+opType(TTT_UNKNOWN),
+isUser(false)
{
+ plane.callsign = "UNKNOWN";
pos = pt;
}
-TowerPlaneRec::TowerPlaneRec(string ID, Point3D pt) :
+TowerPlaneRec::TowerPlaneRec(PlaneRec p, Point3D pt) :
clearedToLand(false),
-clearedToDepart(false),
+clearedToLineUp(false),
+clearedToTakeOff(false),
+holdShortReported(false),
longFinalReported(false),
longFinalAcknowledged(false),
finalReported(false),
-finalAcknowledged(false)
+finalAcknowledged(false),
+opType(TTT_UNKNOWN),
+isUser(false)
{
- id = ID;
+ plane = p;
pos = pt;
}
// FGTower
FGTower::FGTower() {
+ ATCmgr = globals->get_ATC_mgr();
+
+ // Init the property nodes - TODO - need to make sure we're getting surface winds.
+ wind_from_hdg = fgGetNode("/environment/wind-from-heading-deg", true);
+ wind_speed_knots = fgGetNode("/environment/wind-speed-kts", true);
+
+ holdListItr = holdList.begin();
+ appListItr = appList.begin();
+ depListItr = depList.begin();
+ rwyListItr = rwyList.begin();
+ circuitListItr = circuitList.begin();
+ trafficListItr = trafficList.begin();
}
FGTower::~FGTower() {
+ if(!separateGround) {
+ delete ground;
+ }
}
void FGTower::Init() {
display = false;
+
+ // Pointers to user's position
+ user_lon_node = fgGetNode("/position/longitude-deg", true);
+ user_lat_node = fgGetNode("/position/latitude-deg", true);
+ user_elev_node = fgGetNode("/position/altitude-ft", true);
+ user_hdg_node = fgGetNode("/orientation/heading-deg", true);
+
+ // Need some way to initialise rwyOccupied flag correctly if the user is on the runway and to know its the user.
+ // I'll punt the startup issue for now though!!!
+ rwyOccupied = false;
+
+ // Setup the ground control at this airport
+ AirportATC a;
+ //cout << "Tower ident = " << ident << '\n';
+ if(ATCmgr->GetAirportATCDetails(ident, &a)) {
+ if(a.ground_freq) { // Ground control
+ ground = (FGGround*)ATCmgr->GetATCPointer(ident, GROUND);
+ separateGround = true;
+ if(ground == NULL) {
+ // Something has gone wrong :-(
+ SG_LOG(SG_ATC, SG_WARN, "ERROR - ground has frequency but can't get ground pointer :-(");
+ ground = new FGGround(ident);
+ separateGround = false;
+ ground->Init();
+ if(display) {
+ ground->SetDisplay();
+ } else {
+ ground->SetNoDisplay();
+ }
+ }
+ } else {
+ // Initialise ground anyway to do the shortest path stuff!
+ // Note that we're now responsible for updating and deleting this - NOT the ATCMgr.
+ ground = new FGGround(ident);
+ separateGround = false;
+ ground->Init();
+ if(display) {
+ ground->SetDisplay();
+ } else {
+ ground->SetNoDisplay();
+ }
+ }
+ } else {
+ SG_LOG(SG_ATC, SG_ALERT, "Unable to find airport details for " << ident << " in FGTower::Init()");
+ // Initialise ground anyway to avoid segfault later
+ ground = new FGGround(ident);
+ separateGround = false;
+ ground->Init();
+ if(display) {
+ ground->SetDisplay();
+ } else {
+ ground->SetNoDisplay();
+ }
+ }
+
+ // Get the airport elevation
+ aptElev = dclGetAirportElev(ident.c_str()) * SG_FEET_TO_METER;
+
+ DoRwyDetails();
+
+ // FIXME - this currently assumes use of the active rwy by the user.
+ rwyOccupied = OnAnyRunway(Point3D(user_lon_node->getDoubleValue(), user_lat_node->getDoubleValue(), 0.0));
+ if(rwyOccupied) {
+ // Assume the user is started at the threshold ready to take-off
+ TowerPlaneRec* t = new TowerPlaneRec;
+ t->plane.callsign = "Charlie Foxtrot Sierra"; // C-FGFS !!! - fixme - this is a bit hardwired
+ t->opType = TTT_UNKNOWN; // We don't know if the user wants to do circuits or a departure...
+ t->leg = TAKEOFF_ROLL;
+ t->isUser = true;
+ t->planePtr = NULL;
+ t->clearedToTakeOff = true;
+ rwyList.push_back(t);
+ }
+}
+
+void FGTower::Update(double dt) {
+ static int ii = 0; // Counter for spreading the load
+ int ii_max = 15;
+ //cout << "T" << flush;
+ // Each time step, what do we need to do?
+ // We need to go through the list of outstanding requests and acknowedgements
+ // and process at least one of them.
+ // We need to go through the list of planes under our control and check if
+ // any need to be addressed.
+ // We need to check for planes not under our control coming within our
+ // control area and address if necessary.
+
+ // TODO - a lot of the below probably doesn't need to be called every frame and should be staggered.
+
+ // Sort the arriving planes
+
+ // Calculate the eta of each plane to the threshold.
+ // For ground traffic this is the fastest they can get there.
+ // For air traffic this is the middle approximation.
+ if(ii == 1) {
+ doThresholdETACalc();
+ }
+
+ // Order the list of traffic as per expected threshold use and flag any conflicts
+ if(ii == 2) {
+ bool conflicts = doThresholdUseOrder();
+ }
+
+ // sortConficts() !!!
+
+ // Do one plane from the hold list
+ if(ii == 4) {
+ if(holdList.size()) {
+ //cout << "A" << endl;
+ //cout << "*holdListItr = " << *holdListItr << endl;
+ if(holdListItr == holdList.end()) {
+ holdListItr = holdList.begin();
+ }
+ //cout << "*holdListItr = " << *holdListItr << endl;
+ //Process(*holdListItr);
+ TowerPlaneRec* t = *holdListItr;
+ //cout << "t = " << t << endl;
+ if(t->holdShortReported) {
+ //cout << "B" << endl;
+ double responseTime = 10.0; // seconds - this should get more sophisticated at some point
+ if(t->clearanceCounter > responseTime) {
+ //cout << "C" << endl;
+ if(t->nextOnRwy) {
+ //cout << "D" << endl;
+ if(rwyOccupied) {
+ //cout << "E" << endl;
+ // Do nothing for now - consider acknowloging hold short eventually
+ } else {
+ // Lets Roll !!!!
+ string trns = t->plane.callsign;
+ //if(departed plane < some threshold in time away) {
+ if(0) { // FIXME
+ trns += " line up";
+ t->clearedToLineUp = true;
+ t->planePtr->RegisterTransmission(3); // cleared to line-up
+ t->leg = TAKEOFF_ROLL;
+ //} else if(arriving plane < some threshold away) {
+ } else if(0) { // FIXME
+ trns += " cleared immediate take-off";
+ // TODO - add traffic is... ?
+ t->clearedToTakeOff = true;
+ t->planePtr->RegisterTransmission(4); // cleared to take-off - TODO differentiate between immediate and normal take-off
+ t->leg = TAKEOFF_ROLL;
+ } else {
+ trns += " cleared for take-off";
+ // TODO - add traffic is... ?
+ t->clearedToTakeOff = true;
+ t->planePtr->RegisterTransmission(4); // cleared to take-off
+ t->leg = TAKEOFF_ROLL;
+ }
+ if(display) {
+ globals->get_ATC_display()->RegisterSingleMessage(trns, 0);
+ }
+ t->holdShortReported = false;
+ t->clearanceCounter = 0;
+ rwyList.push_back(t);
+ rwyOccupied = true;
+ holdList.erase(holdListItr);
+ holdListItr = holdList.begin();
+ }
+ } else {
+ // possibly tell him to hold and what position he is?
+ }
+ } else {
+ t->clearanceCounter += (dt * holdList.size() * ii_max);
+ }
+ }
+ ++holdListItr;
+ }
+ }
+
+ // Do the runway list - we'll do the whole runway list since it's important and there'll never be many planes on the rwy at once!!
+ if(ii == 5) {
+ if(rwyOccupied) {
+ if(!rwyList.size()) {
+ rwyOccupied = false;
+ } else {
+ rwyListItr = rwyList.begin();
+ TowerPlaneRec* t = *rwyListItr;
+ if(t->isUser) {
+ bool on_rwy = OnActiveRunway(Point3D(user_lon_node->getDoubleValue(), user_lat_node->getDoubleValue(), 0.0));
+ // TODO - how do we find the position when it's not the user?
+ if(!on_rwy) {
+ if((t->opType == INBOUND) || (t->opType == STRAIGHT_IN)) {
+ rwyList.pop_front();
+ delete t;
+ // TODO - tell it to taxi / contact ground / don't delete it etc!
+ } else if(t->opType == OUTBOUND) {
+ depList.push_back(t);
+ rwyList.pop_front();
+ } else if(t->opType == CIRCUIT) {
+ circuitList.push_back(t);
+ rwyList.pop_front();
+ } else if(t->opType == TTT_UNKNOWN) {
+ depList.push_back(t);
+ circuitList.push_back(t);
+ rwyList.pop_front();
+ } else {
+ // HELP - we shouldn't ever get here!!!
+ }
+ }
+ } // else TODO figure out what to do when it's not the user
+ }
+ }
+ }
+
+ // do the ciruit list
+ if(ii == 6) {
+ // Clear the constraints - we recalculate here.
+ base_leg_pos = 0.0;
+ downwind_leg_pos = 0.0;
+ crosswind_leg_pos = 0.0;
+ if(circuitList.size()) {
+ circuitListItr = circuitList.begin(); // TODO - at the moment we're constraining plane 2 based on plane 1 - this won't work for 3 planes in the circuit!!
+ TowerPlaneRec* t = *circuitListItr;
+ Point3D tortho = ortho.ConvertToLocal(t->pos);
+ if(t->isUser) {
+ // Need to figure out which leg he's on
+ double ho = GetAngleDiff_deg(user_hdg_node->getDoubleValue(), rwy.hdg);
+ // TODO FIXME - get the wind and convert this to track, or otherwise use track somehow!!!
+ // If it's gusty might need to filter the value, although we are leaving 30 degrees each way leeway!
+ if(abs(ho) < 30) {
+ // could be either takeoff, climbout or landing - check orthopos.y
+ if((tortho.y() < 0) || (t->leg == TURN4) || (t->leg == LANDING_ROLL)) {
+ t->leg = LANDING_ROLL;
+ //cout << "Landing_roll\n";
+ } else {
+ t->leg = CLIMBOUT; // TODO - check elev wrt. apt elev to differentiate takeoff roll and climbout
+ //cout << "Climbout\n";
+ }
+ } else if(abs(ho) < 60) {
+ // turn1 or turn 4
+ // TODO - either fix or doublecheck this hack by looking at heading and pattern direction
+ if((t->leg == CLIMBOUT) || (t->leg == TURN1)) {
+ t->leg = TURN1;
+ //cout << "Turn1\n";
+ } else {
+ t->leg = TURN4;
+ //cout << "Turn4\n";
+ }
+ } else if(abs(ho) < 120) {
+ // crosswind or base
+ // TODO - either fix or doublecheck this hack by looking at heading and pattern direction
+ if((t->leg == TURN1) || (t->leg == CROSSWIND)) {
+ t->leg = CROSSWIND;
+ //cout << "Crosswind\n";
+ } else {
+ t->leg = BASE;
+ //cout << "Base\n";
+ }
+ } else if(abs(ho) < 150) {
+ // turn2 or turn 3
+ // TODO - either fix or doublecheck this hack by looking at heading and pattern direction
+ if((t->leg == CROSSWIND) || (t->leg == TURN2)) {
+ t->leg = TURN2;
+ //cout << "Turn2\n";
+ } else {
+ t->leg = TURN3;
+ //cout << "Turn3\n";
+ }
+ } else {
+ // downwind
+ t->leg = DOWNWIND;
+ //cout << "Downwind\n";
+ }
+ } else {
+ t->leg = t->planePtr->GetLeg();
+ }
+ switch(t->leg) {
+ case FINAL:
+ // Base leg must be at least as far out as the plane is - actually possibly not necessary for separation, but we'll use that for now.
+ base_leg_pos = tortho.y();
+ break;
+ case TURN4:
+ // Fall through to base
+ case BASE:
+ base_leg_pos = tortho.y();
+ break;
+ case TURN3:
+ // Fall through to downwind
+ case DOWNWIND:
+ // Only have the downwind leg pos as turn-to-base constraint if more negative than we already have.
+ base_leg_pos = (tortho.y() < base_leg_pos ? tortho.y() : base_leg_pos);
+ downwind_leg_pos = tortho.x(); // Assume that a following plane can simply be constrained by the immediately in front downwind plane
+ break;
+ case TURN2:
+ // Fall through to crosswind
+ case CROSSWIND:
+ crosswind_leg_pos = tortho.y();
+ break;
+ case TURN1:
+ // Fall through to climbout
+ case CLIMBOUT:
+ // Only use current by constraint as largest
+ crosswind_leg_pos = (tortho.y() > crosswind_leg_pos ? tortho.x() : crosswind_leg_pos);
+ break;
+ case TAKEOFF_ROLL:
+ break;
+ case LEG_UNKNOWN:
+ break;
+ case LANDING_ROLL:
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ doCommunication();
+
+ if(!separateGround) {
+ // The display stuff might have to get more clever than this when not separate
+ // since the tower and ground might try communicating simultaneously even though
+ // they're mean't to be the same contoller/frequency!!
+ if(display) {
+ ground->SetDisplay();
+ } else {
+ ground->SetNoDisplay();
+ }
+ ground->Update(dt);
+ }
+
+ ++ii;
+ // How big should ii get - ie how long should the update cycle interval stretch?
+ if(ii >= ii_max) {
+ ii = 0;
+ }
+}
+
+
+// Figure out which runways are active.
+// For now we'll just be simple and do one active runway - eventually this will get much more complex
+// This is a private function - public interface to the results of this is through GetActiveRunway
+void FGTower::DoRwyDetails() {
+ //cout << "GetRwyDetails called" << endl;
+
+ // Based on the airport-id and wind get the active runway
+ SGPath path( globals->get_fg_root() );
+ path.append( "Airports" );
+ path.append( "runways.mk4" );
+ FGRunways runways( path.c_str() );
+
+ //wind
+ double hdg = wind_from_hdg->getDoubleValue();
+ double speed = wind_speed_knots->getDoubleValue();
+ hdg = (speed == 0.0 ? 270.0 : hdg);
+ //cout << "Heading = " << hdg << '\n';
+
+ FGRunway runway;
+ bool rwyGood = runways.search(ident, int(hdg), &runway);
+ if(rwyGood) {
+ activeRwy = runway.rwy_no;
+ rwy.rwyID = runway.rwy_no;
+ SG_LOG(SG_ATC, SG_INFO, "Active runway for airport " << ident << " is " << activeRwy);
+
+ // Get the threshold position
+ double other_way = runway.heading - 180.0;
+ while(other_way <= 0.0) {
+ other_way += 360.0;
+ }
+ // move to the +l end/center of the runway
+ //cout << "Runway center is at " << runway.lon << ", " << runway.lat << '\n';
+ Point3D origin = Point3D(runway.lon, runway.lat, aptElev);
+ Point3D ref = origin;
+ double tshlon, tshlat, tshr;
+ double tolon, tolat, tor;
+ rwy.length = runway.length * SG_FEET_TO_METER;
+ rwy.width = runway.width * SG_FEET_TO_METER;
+ geo_direct_wgs_84 ( aptElev, ref.lat(), ref.lon(), other_way,
+ rwy.length / 2.0 - 25.0, &tshlat, &tshlon, &tshr );
+ geo_direct_wgs_84 ( aptElev, ref.lat(), ref.lon(), runway.heading,
+ rwy.length / 2.0 - 25.0, &tolat, &tolon, &tor );
+ // Note - 25 meters in from the runway end is a bit of a hack to put the plane ahead of the user.
+ // now copy what we need out of runway into rwy
+ rwy.threshold_pos = Point3D(tshlon, tshlat, aptElev);
+ Point3D takeoff_end = Point3D(tolon, tolat, aptElev);
+ //cout << "Threshold position = " << tshlon << ", " << tshlat << ", " << aptElev << '\n';
+ //cout << "Takeoff position = " << tolon << ", " << tolat << ", " << aptElev << '\n';
+ rwy.hdg = runway.heading;
+ // Set the projection for the local area based on this active runway
+ ortho.Init(rwy.threshold_pos, rwy.hdg);
+ rwy.end1ortho = ortho.ConvertToLocal(rwy.threshold_pos); // should come out as zero
+ rwy.end2ortho = ortho.ConvertToLocal(takeoff_end);
+ } else {
+ SG_LOG(SG_ATC, SG_ALERT, "Help - can't get good runway in FGTower!!");
+ activeRwy = "NN";
+ }
+}
+
+
+// Figure out if a given position lies on the active runway
+// Might have to change when we consider more than one active rwy.
+bool FGTower::OnActiveRunway(Point3D pt) {
+ // TODO - check that the centre calculation below isn't confused by displaced thesholds etc.
+ Point3D xyc((rwy.end1ortho.x() + rwy.end2ortho.x())/2.0, (rwy.end1ortho.y() + rwy.end2ortho.y())/2.0, 0.0);
+ Point3D xyp = ortho.ConvertToLocal(pt);
+
+ //cout << "Length offset = " << fabs(xyp.y() - xyc.y()) << '\n';
+ //cout << "Width offset = " << fabs(xyp.x() - xyc.x()) << '\n';
+
+ double rlen = rwy.length/2.0 + 5.0;
+ double rwidth = rwy.width/2.0;
+ double ldiff = fabs(xyp.y() - xyc.y());
+ 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(Point3D pt) {
+ ATCData ad;
+ double dist = current_commlist->FindClosest(lon, lat, elev, ad, TOWER, 10.0);
+ if(dist < 0.0) {
+ return(false);
+ }
+ // Based on the airport-id, go through all the runways and check for a point in them
+ SGPath spath( globals->get_fg_root() );
+ spath.append( "Airports" );
+ spath.append( "runways.mk4" );
+ FGRunways runways( spath.c_str() );
+
+ // TODO - do we actually need to search for the airport - surely we already know our ident and
+ // can just search runways of our airport???
+ //cout << "Airport ident is " << ad.ident << '\n';
+ FGRunway runway;
+ bool rwyGood = runways.search(ad.ident, &runway);
+ if(!rwyGood) {
+ 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) {
+ on = OnRunway(pt, runway);
+ //cout << "Runway " << runway.rwy_no << ": On = " << (on ? "true\n" : "false\n");
+ if(on) return(true);
+ runways.next(&runway);
+ }
+ return(on);
}
-void FGTower::Update() {
- // Each time step, what do we need to do?
- // We need to go through the list of outstanding requests and acknowedgements
- // and process at least one of them.
- // We need to go through the list of planes under our control and check if
- // any need to be addressed.
- // We need to check for planes not under our control coming within our
- // control area and address if necessary.
- // Hardwired for testing
- static int play = 0;
- if(play == 200) {
- //cout << "Registering message in tower.cxx ****************************\n";
- //globals->get_ATC_display()->RegisterSingleMessage((string)"Cessna eight-two-zero Cleared for takeoff", 2);
- }
- ++play;
+// Calculate the eta of each plane to the threshold.
+// For ground traffic this is the fastest they can get there.
+// For air traffic this is the middle approximation.
+void FGTower::doThresholdETACalc() {
+ // For now we'll be very crude and hardwire expected speeds to C172-like values
+ // The speeds below are specified in knots IAS and then converted to m/s
+ double app_ias = 100.0 * 0.514444; // Speed during straight-in approach
+ double circuit_ias = 80.0 * 0.514444; // Speed around circuit
+ double final_ias = 70.0 * 0.514444; // Speed during final approach
+
+ tower_plane_rec_list_iterator twrItr;
+
+ // Sign convention - dist_out is -ve for approaching planes and +ve for departing planes
+ // dist_across is +ve in the pattern direction - ie a plane correctly on downwind will have a +ve dist_across
+ for(twrItr = trafficList.begin(); twrItr != trafficList.end(); twrItr++) {
+ TowerPlaneRec* tpr = *twrItr;
+ Point3D op = ortho.ConvertToLocal(tpr->pos);
+ double dist_out_m = op.y();
+ double dist_across_m = fabs(op.x()); // FIXME = the fabs is a hack to cope with the fact that we don't know the circuit direction yet
+ //cout << "Doing ETA calc for " << tpr->plane.callsign << '\n';
+ if(tpr->opType == CIRCUIT) {
+ // It's complicated - depends on if base leg is delayed or not
+ if(tpr->leg == LANDING_ROLL) {
+ tpr->eta = 0;
+ } else if((tpr->leg == FINAL) || (tpr->leg == TURN4)) {
+ tpr->eta = fabs(dist_out_m) / final_ias;
+ } else if((tpr->leg == BASE) || (tpr->leg == TURN3)) {
+ tpr->eta = (fabs(dist_out_m) / final_ias) + (dist_across_m / circuit_ias);
+ } else {
+ // Need to calculate where base leg is likely to be
+ // FIXME - for now I'll hardwire it to 1000m which is what AILocalTraffic uses!!!
+ // TODO - as a matter of design - AILocalTraffic should get the nominal no-traffic base turn distance from Tower, since in real life the published pattern might differ from airport to airport
+ double nominal_base_dist_out_m = -1000;
+ double current_base_dist_out_m = nominal_base_dist_out_m;
+ double nominal_dist_across_m = 1000; // Hardwired value from AILocalTraffic
+ double nominal_cross_dist_out_m = 1000; // Bit of a guess - AI plane turns to crosswind at 600ft agl.
+ tpr->eta = fabs(current_base_dist_out_m) / final_ias; // final
+ if((tpr->leg == DOWNWIND) || (tpr->leg == TURN2)) {
+ tpr->eta += dist_across_m / circuit_ias;
+ tpr->eta += fabs(current_base_dist_out_m - dist_out_m) / circuit_ias;
+ } else if((tpr->leg == CROSSWIND) || (tpr->leg == TURN1)) {
+ tpr->eta += nominal_dist_across_m / circuit_ias; // should we use the dist across of the previous plane if there is previous still on downwind?
+ tpr->eta += fabs(current_base_dist_out_m - nominal_cross_dist_out_m) / circuit_ias;
+ tpr->eta += (nominal_dist_across_m - dist_across_m) / circuit_ias;
+ } else {
+ // We've only just started - why not use a generic estimate?
+ }
+ }
+ } else if((tpr->opType == INBOUND) || (tpr->opType == STRAIGHT_IN)) {
+ // It's simpler!
+ } else {
+ // Must be outbound - ignore it!
+ }
+ //cout << "ETA = " << tpr->eta << '\n';
+ }
+}
+
+
+bool FGTower::doThresholdUseOrder() {
+ return(true);
+}
+
+void FGTower::doCommunication() {
+}
+
+void FGTower::ContactAtHoldShort(PlaneRec plane, FGAIPlane* requestee, tower_traffic_type operation) {
+ // HACK - assume that anything contacting at hold short is new for now - FIXME LATER
+ TowerPlaneRec* t = new TowerPlaneRec;
+ t->plane = plane;
+ t->planePtr = requestee;
+ t->holdShortReported = true;
+ t->clearanceCounter = 0;
+ t->clearedToLineUp = false;
+ t->clearedToTakeOff = false;
+ t->opType = operation;
+
+ // HACK ALERT - THIS IS HARDWIRED FOR TESTING - FIXME TODO ETC
+ t->nextOnRwy = true;
+
+ //cout << "t = " << t << '\n';
+
+ holdList.push_back(t);
}
void FGTower::RequestLandingClearance(string ID) {
- cout << "Request Landing Clearance called...\n";
+ //cout << "Request Landing Clearance called...\n";
}
void FGTower::RequestDepartureClearance(string ID) {
- cout << "Request Departure Clearance called...\n";
+ //cout << "Request Departure Clearance called...\n";
}
//void FGTower::ReportFinal(string ID);
//void FGTower::ReportLongFinal(string ID);
//void FGTower::ReportInnerMarker(string ID);
//void FGTower::ReportGoingAround(string ID);
void FGTower::ReportRunwayVacated(string ID) {
- cout << "Report Runway Vacated Called...\n";
+ //cout << "Report Runway Vacated Called...\n";
}
projects / flightgear.git / blobdiff