X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FAIModel%2FAIFlightPlan.cxx;h=381f9e94498f0680d44eaab337aa4a08005edf04;hb=40639d38a877b7f58702db0c2b8831985b8ddbaf;hp=c901cbf5348f976648b663cd05fdca5c2227e84d;hpb=d24fe199143c3cd0adecd74f02430125e2bad45e;p=flightgear.git

diff --git a/src/AIModel/AIFlightPlan.cxx b/src/AIModel/AIFlightPlan.cxx
index c901cbf53..381f9e944 100644
--- a/src/AIModel/AIFlightPlan.cxx
+++ b/src/AIModel/AIFlightPlan.cxx
@@ -46,10 +46,15 @@
 
 using std::cerr;
 
+FGAIFlightPlan::FGAIFlightPlan() 
+{
+   sid = 0;
+}
 
 FGAIFlightPlan::FGAIFlightPlan(const string& filename)
 {
   int i;
+  sid = 0;
   start_time = 0;
   leg = 10;
   gateId = 0;
@@ -61,7 +66,7 @@ FGAIFlightPlan::FGAIFlightPlan(const string& filename)
 
   try {
       readProperties(path.str(), &root);
-  } catch (const sg_exception &e) {
+  } catch (const sg_exception &) {
       SG_LOG(SG_GENERAL, SG_ALERT,
        "Error reading AI flight plan: " << path.str());
        // cout << path.str() << endl;
@@ -118,6 +123,7 @@ FGAIFlightPlan::FGAIFlightPlan(FGAIAircraft *ac,
 			       const string& acType,
 			       const string& airline)
 {
+  sid = 0;
   repeat = false;
   leg = 10;
   gateId=0;
@@ -171,7 +177,7 @@ FGAIFlightPlan::FGAIFlightPlan(FGAIAircraft *ac,
 	    waypoints.push_back(wpt);
 	  }
 	}
-      catch (const sg_exception &e) {
+      catch (const sg_exception &) {
 	SG_LOG(SG_GENERAL, SG_WARN,
 	       "Error reading AI flight plan: ");
 	cerr << "Errno = " << errno << endl;
@@ -360,6 +366,26 @@ void FGAIFlightPlan::IncrementWaypoint(bool eraseWaypoints )
 
 }
 
+void FGAIFlightPlan::DecrementWaypoint(bool eraseWaypoints )
+{
+    if (eraseWaypoints)
+    {
+        if (wpt_iterator == waypoints.end())
+            wpt_iterator--;
+        else
+        {
+            delete *(waypoints.end());
+            waypoints.erase(waypoints.end());
+            wpt_iterator = waypoints.end();
+            wpt_iterator--;
+        }
+    }
+    else
+        wpt_iterator--;
+
+}
+
+
 // gives distance in feet from a position to a waypoint
 double FGAIFlightPlan::getDistanceToGo(double lat, double lon, waypoint* wp) const{
   return SGGeodesy::distanceM(SGGeod::fromDeg(lon, lat), 
@@ -462,7 +488,7 @@ void FGAIFlightPlan::deleteTaxiRoute()
 
 
 int FGAIFlightPlan::getRouteIndex(int i) {
-  if ((i > 0) && (i < waypoints.size())) {
+  if ((i > 0) && (i < (int)waypoints.size())) {
     return waypoints[i]->routeIndex;
   }
   else