Fix file access mode for newnavradio.[ch]xx

[flightgear.git] / src / Airports / groundnetwork.cxx

diff --git a/src/Airports/groundnetwork.cxx b/src/Airports/groundnetwork.cxx
index 4802b97c57cecafb9140340f326dbce836ac5c01..8e9b16fe6fbbd9090ede8eb4a400bb9f46cb9ce8 100644 (file)
--- a/src/Airports/groundnetwork.cxx
+++ b/src/Airports/groundnetwork.cxx
@@ -580,9 +580,23 @@ FGTaxiRoute FGGroundNetwork::findShortestRoute(int start, int end,
     }
 
     FGTaxiNode *firstNode = findNode(start);
+    if (!firstNode)
+    {
+        SG_LOG(SG_GENERAL, SG_ALERT,
+               "Error in ground network. Failed to find first waypoint: " << start
+               << " at " << ((parent) ? parent->getId() : "<unknown>"));
+        return FGTaxiRoute();
+    }
     firstNode->setPathScore(0);
 
     FGTaxiNode *lastNode = findNode(end);
+    if (!lastNode)
+    {
+        SG_LOG(SG_GENERAL, SG_ALERT,
+               "Error in ground network. Failed to find last waypoint: " << end
+               << " at " << ((parent) ? parent->getId() : "<unknown>"));
+        return FGTaxiRoute();
+    }
 
     FGTaxiNodeVector unvisited(*currNodesSet);  // working copy
 
@@ -606,6 +620,13 @@ FGTaxiRoute FGGroundNetwork::findShortestRoute(int start, int end,
                     seg != best->getEndRoute(); seg++) {
                 if (fullSearch || (*seg)->isPushBack()) {
                     FGTaxiNode *tgt = (*seg)->getEnd();
+                    if (!tgt)
+                    {
+                        SG_LOG(SG_GENERAL, SG_ALERT,
+                               "Error in ground network. Found empty segment "
+                               << " at " << ((parent) ? parent->getId() : "<unknown>"));
+                        return FGTaxiRoute();
+                    }
                     double alt =
                         best->getPathScore() + (*seg)->getLength() +
                         (*seg)->getPenalty(nParkings);
@@ -1337,11 +1358,11 @@ void FGGroundNetwork::render(bool visible)
     if (visible) {
         group = new osg::Group;
         FGScenery * local_scenery = globals->get_scenery();
-        double elevation_meters = 0.0;
+        // double elevation_meters = 0.0;
         double elevation_feet = 0.0;
         time_t now = time(NULL) + fgGetLong("/sim/time/warp");
         //for ( FGTaxiSegmentVectorIterator i = segments.begin(); i != segments.end(); i++) {
-        double dx = 0;
+        //double dx = 0;
         for   (TrafficVectorIterator i = activeTraffic.begin(); i != activeTraffic.end(); i++) {
             // Handle start point
             int pos = i->getCurrentPosition() - 1;
@@ -1522,7 +1543,7 @@ void FGGroundNetwork::update(double dt)
         i->setPriority(priority++);
         // in meters per second;
         double vTaxi = (i->getAircraft()->getPerformance()->vTaxi() * SG_NM_TO_METER) / 3600;
-        if (i->isActive(60)) {
+        if (i->isActive(0)) {
 
             // Check for all active aircraft whether it's current pos segment is
             // an opposite of one of the departing aircraft's intentions