Implement a persistent cache for navigation data.

[flightgear.git] / src / ATC / atc_mgr.cxx

diff --git a/src/ATC/atc_mgr.cxx b/src/ATC/atc_mgr.cxx
index 409f8668d234223eb258fd4bd1cd561c4afac157..3b727c903cea81cd3bd47df09a63a545441d92c8 100644 (file)
--- a/src/ATC/atc_mgr.cxx
+++ b/src/ATC/atc_mgr.cxx
@@ -26,7 +26,6 @@
 
 #include <iostream>
 
-#include <simgear/math/SGMath.hxx>
 #include <Airports/dynamics.hxx>
 #include <Airports/simple.hxx>
 #include <Scenery/scenery.hxx>
@@ -94,38 +93,44 @@ void FGATCManager::init() {
     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...
+    //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); 
-    if (apt && onGround) {
+    if (apt && onGround) {// && !runway.empty()) {
         FGAirportDynamics* dcs = apt->getDynamics();
         int park_index = dcs->getNrOfParkings() - 1;
         //cerr << "found information: " << runway << " " << airport << ": parking = " << parking << endl;
         fp = new FGAIFlightPlan;
         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 << " at " << SG_ORIGIN);
-            }
+        // No valid parking location, so either at the runway or at a random location.
         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 = 3;
-            string fltType = "ga";
-            fp->setRunway(runway);
-            fp->createTakeOff(&ai_ac, false, apt, 0, fltType);
-            ai_ac.setTakeOffStatus(2);
+            if (!runway.empty()) {
+                controller = apt->getDynamics()->getTowerController();
+                int stationFreq = apt->getDynamics()->getTowerFrequency(2);
+                if (stationFreq > 0)
+                {
+                    //cerr << "Setting radio frequency to in airfrequency: " << stationFreq << endl;
+                    fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
+                }
+                leg = 3;
+                string fltType = "ga";
+                fp->setRunway(runway);
+                fp->createTakeOff(&ai_ac, false, apt, 0, fltType);
+                ai_ac.setTakeOffStatus(2);
+            } else {
+                // We're on the ground somewhere. Handle this case later.
+            }
         } else {
             controller = apt->getDynamics()->getStartupController();
             int stationFreq = apt->getDynamics()->getGroundFrequency(1);
-            //cerr << "Setting radio frequency to : " << stationFreq << endl;
-            fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
+            if (stationFreq > 0)
+            {
+                //cerr << "Setting radio frequency to : " << stationFreq << endl;
+                fgSetDouble("/instrumentation/comm[0]/frequencies/selected-mhz", ((double) stationFreq / 100.0));
+            }
             leg = 1;
             //double, lat, lon, head; // Unused variables;
             //int getId = apt->getDynamics()->getParking(gateId, &lat, &lon, &head);
@@ -190,18 +195,26 @@ void FGATCManager::update ( double time ) {
     /* test code : find out how the routing develops */
     if (fp) {
         int size = fp->getNrOfWayPoints();
-    //    //cerr << "Setting pos" << pos << " ";
-    //    //cerr << "setting intentions " ;
-        for (int i = 0; i < size; i++) {
-    //        int val = fp->getRouteIndex(i);
+        //cerr << "Setting pos" << pos << " ";
+        //cerr << "setting intentions " ;
+        // This indicates that we have run out of waypoints: Im future versions, the
+        // user should be able to select a new route, but for now just shut down the
+        // system. 
+        if (size < 3) {
+            //cerr << "Shutting down the atc_mgr" << endl;
+            return;
+        }
+        //cerr << "Size of waypoint cue " << size << " ";
+        //for (int i = 0; i < size; i++) {
+        //    int val = fp->getRouteIndex(i);
             //cerr << fp->getWayPoint(i)->getName() << " ";
             //if ((val) && (val != pos)) {
                 //intentions.push_back(val);
                 //cerr << "[done ] " << endl;
             //}
-        }
+        //}
+        //cerr << "[done ] " << endl;
     }
-    //cerr << "[done ] " << endl;
     if (fp) {
         //cerr << "Currently at leg : " << fp->getLeg() << endl;
     }
@@ -210,6 +223,24 @@ void FGATCManager::update ( double time ) {
     double heading   = fgGetDouble("/orientation/heading-deg");
     double speed     = fgGetDouble("/velocities/groundspeed-kt");
     double altitude  = fgGetDouble("/position/altitude-ft");
+    
+    /*
+    SGGeod me(SGGeod::fromDegM(longitude,
+                               latitude,
+                               altitude));
+    SGGeod wpt1(SGGeod::fromDegM(fp->getWayPoint(1)->getLongitude(), 
+                                fp->getWayPoint(1)->getLatitude(),
+                                fp->getWayPoint(1)->getAltitude()));
+    SGGeod wpt2(SGGeod::fromDegM(fp->getWayPoint(1)->getLongitude(), 
+                                fp->getWayPoint(1)->getLatitude(),
+                                fp->getWayPoint(1)->getAltitude()));
+        
+    double course1, az1, dist1;
+    double course2, az2, dist2;
+    SGGeodesy::inverse(me, wpt1, course1, az1, dist1);
+    
+    cerr << "Bearing to nearest waypoint : " << course1 << " " << dist1 << ". (course " << course2 << ")." <<  endl;
+    */
     ai_ac.setLatitude(latitude);
     ai_ac.setLongitude(longitude);
     ai_ac.setAltitude(altitude);
@@ -247,5 +278,7 @@ void FGATCManager::update ( double time ) {
         //cerr << "Adding groundnetWork to the scenegraph::update" << endl;
         prevController = controller;
    }
-   //globals->get_scenery()->get_scene_graph()->addChild(node);
+   for (AtcVecIterator atc = activeStations.begin(); atc != activeStations.end(); atc++) {
+       (*atc)->update(time);
+   }
 }