]> git.mxchange.org Git - flightgear.git/blobdiff - src/AIModel/AIAircraft.cxx
Optimise NavCache airport query
[flightgear.git] / src / AIModel / AIAircraft.cxx
index b5ef2418798fd70e0299ec144d9e0c18c55fd7ac..5e803ef5e159b81e6c3934a73c060f13ab96a16a 100644 (file)
 #include <Scenery/scenery.hxx>
 #include <Scenery/tilemgr.hxx>
 #include <Airports/dynamics.hxx>
-#include <Airports/simple.hxx>
+#include <Airports/airport.hxx>
 #include <Main/util.hxx>
 
+#include <simgear/structure/exception.hxx>
+
 #include <string>
-#include <math.h>
-#include <time.h>
-
-#ifdef _MSC_VER
-#  include <float.h>
-#  define finite _finite
-#elif defined(__sun) || defined(sgi)
-#  include <ieeefp.h>
-#endif
+#include <cmath>
+#include <ctime>
 
+// defined in AIShip.cxx
+extern double fgIsFinite(double x);
 
 #include "AIAircraft.hxx"
 #include "performancedata.hxx"
@@ -87,6 +84,7 @@ FGAIAircraft::FGAIAircraft(FGAISchedule *ref) :
     headingError = 0;
     minBearing = 360;
     speedFraction =1.0;
+    prev_dist_to_go = 0.0;
 
     holdPos = false;
     needsTaxiClearance = false;
@@ -174,18 +172,12 @@ void FGAIAircraft::setPerformance(const std::string& acType, const std::string&
     // AI manager. In this particular case, the AIAircraft is used to shadow the user's aircraft's behavior in the AI world.
     // Since we perhaps don't want a radar entry of our own aircraft, the following conditional should probably be adequate
     // enough
-     if (manager)
+     if (manager){
         UpdateRadar(manager);
-     checkVisibility();
+       invisible = !manager->isVisible(pos);
+     }
   }
 
-void FGAIAircraft::checkVisibility() 
-{
-  double visibility_meters = fgGetDouble("/environment/visibility-m");
-  invisible = (SGGeodesy::distanceM(globals->get_view_position(), pos) > visibility_meters);
-}
-
-
 
 void FGAIAircraft::AccelTo(double speed) {
     tgt_speed = speed;
@@ -232,16 +224,26 @@ double FGAIAircraft::sign(double x) {
 }
 
 
-void FGAIAircraft::setFlightPlan(const std::string& flightplan, bool repeat) {
-    if (!flightplan.empty()) {
-        FGAIFlightPlan* fp = new FGAIFlightPlan(flightplan);
+void FGAIAircraft::setFlightPlan(const std::string& flightplan, bool repeat)
+{
+    if (flightplan.empty()) {
+        // this is the case for Nasal-scripted aircraft
+        return;
+    }
+    
+    FGAIFlightPlan* fp = new FGAIFlightPlan(flightplan);
+    if (fp->isValidPlan()) {
         fp->setRepeat(repeat);
         SetFlightPlan(fp);
+    } else {
+        SG_LOG(SG_AI, SG_WARN, "setFlightPlan: invalid flightplan specified:" << flightplan);
+        delete fp;
     }
 }
 
 
-void FGAIAircraft::SetFlightPlan(FGAIFlightPlan *f) {
+void FGAIAircraft::SetFlightPlan(FGAIFlightPlan *f)
+{
     delete fp;
     fp = f;
 }
@@ -557,54 +559,61 @@ void FGAIAircraft::doGroundAltitude() {
 
 
 void FGAIAircraft::announcePositionToController() {
-    if (trafficRef) {
-        int leg = fp->getLeg();
-
-        // Note that leg has been incremented after creating the current leg, so we should use
-        // leg numbers here that are one higher than the number that is used to create the leg
-        // NOTE: As of July, 30, 2011, the post-creation leg updating is no longer happening. 
-        // Leg numbers are updated only once the aircraft passes the last waypoint created for that legm so I should probably just use
-        // the original leg numbers here!
-        switch (leg) {
-          case 1:              // Startup and Push back
-            if (trafficRef->getDepartureAirport()->getDynamics())
-                controller = trafficRef->getDepartureAirport()->getDynamics()->getStartupController();
-            break;
-        case 2:              // Taxiing to runway
-            if (trafficRef->getDepartureAirport()->getDynamics()->getGroundNetwork()->exists())
-                controller = trafficRef->getDepartureAirport()->getDynamics()->getGroundNetwork();
-            break;
-        case 3:              //Take off tower controller
-            if (trafficRef->getDepartureAirport()->getDynamics()) {
-                controller = trafficRef->getDepartureAirport()->getDynamics()->getTowerController();
-                towerController = 0;
-            } else {
-                cerr << "Error: Could not find Dynamics at airport : " << trafficRef->getDepartureAirport()->getId() << endl;
-            }
-            break;
-        case 6:
-             if (trafficRef->getDepartureAirport()->getDynamics()) {
-                 controller = trafficRef->getArrivalAirport()->getDynamics()->getApproachController();
-              }
-              break;
-        case 8:              // Taxiing for parking
-            if (trafficRef->getArrivalAirport()->getDynamics()->getGroundNetwork()->exists())
-                controller = trafficRef->getArrivalAirport()->getDynamics()->getGroundNetwork();
-            break;
-        default:
-            controller = 0;
-            break;
+    if (!trafficRef) {
+        return;
+    }
+    
+    int leg = fp->getLeg();
+    if (!fp->getCurrentWaypoint()) {
+        // http://code.google.com/p/flightgear-bugs/issues/detail?id=1153
+        // throw an exception so this aircraft gets killed by the AIManager.
+        throw sg_exception("bad AI flight plan");
+    }
+    
+    // Note that leg has been incremented after creating the current leg, so we should use
+    // leg numbers here that are one higher than the number that is used to create the leg
+    // NOTE: As of July, 30, 2011, the post-creation leg updating is no longer happening. 
+    // Leg numbers are updated only once the aircraft passes the last waypoint created for that legm so I should probably just use
+    // the original leg numbers here!
+    switch (leg) {
+      case 1:              // Startup and Push back
+        if (trafficRef->getDepartureAirport()->getDynamics())
+            controller = trafficRef->getDepartureAirport()->getDynamics()->getStartupController();
+        break;
+    case 2:              // Taxiing to runway
+        if (trafficRef->getDepartureAirport()->getDynamics()->getGroundNetwork()->exists())
+            controller = trafficRef->getDepartureAirport()->getDynamics()->getGroundNetwork();
+        break;
+    case 3:              //Take off tower controller
+        if (trafficRef->getDepartureAirport()->getDynamics()) {
+            controller = trafficRef->getDepartureAirport()->getDynamics()->getTowerController();
+            towerController = 0;
+        } else {
+            cerr << "Error: Could not find Dynamics at airport : " << trafficRef->getDepartureAirport()->getId() << endl;
         }
+        break;
+    case 6:
+         if (trafficRef->getDepartureAirport()->getDynamics()) {
+             controller = trafficRef->getArrivalAirport()->getDynamics()->getApproachController();
+          }
+          break;
+    case 8:              // Taxiing for parking
+        if (trafficRef->getArrivalAirport()->getDynamics()->getGroundNetwork()->exists())
+            controller = trafficRef->getArrivalAirport()->getDynamics()->getGroundNetwork();
+        break;
+    default:
+        controller = 0;
+        break;
+    }
 
-        if ((controller != prevController) && (prevController != 0)) {
-            prevController->signOff(getID());
-        }
-        prevController = controller;
-        if (controller) {
-            controller->announcePosition(getID(), fp, fp->getCurrentWaypoint()->getRouteIndex(),
-                                         _getLatitude(), _getLongitude(), hdg, speed, altitude_ft,
-                                         trafficRef->getRadius(), leg, this);
-        }
+    if ((controller != prevController) && (prevController != 0)) {
+        prevController->signOff(getID());
+    }
+    prevController = controller;
+    if (controller) {
+        controller->announcePosition(getID(), fp, fp->getCurrentWaypoint()->getRouteIndex(),
+                                     _getLatitude(), _getLongitude(), hdg, speed, altitude_ft,
+                                     trafficRef->getRadius(), leg, this);
     }
 }
 
@@ -925,7 +934,7 @@ void FGAIAircraft::controlHeading(FGAIWaypoint* curr) {
         SG_NORMALIZE_RANGE(calc_bearing, 0.0, 360.0);
     }
 
-    if (finite(calc_bearing)) {
+    if (fgIsFinite(calc_bearing)) {
         double hdg_error = calc_bearing - tgt_heading;
         if (fabs(hdg_error) > 0.01) {
             TurnTo( calc_bearing );
@@ -1101,10 +1110,8 @@ void FGAIAircraft::updateHeading() {
                     }
                 }
             }
-            if (trafficRef)
-               //cerr << trafficRef->getCallSign() << " Heading " 
-                //     << hdg << ". Target " << tgt_heading <<  ". Diff " << fabs(sum - tgt_heading) << ". Speed " << speed << "Heading change rate : " << headingChangeRate << " bacnk sence " << bank_sense << endl;
-           hdg += headingChangeRate * dt * sqrt(fabs(speed) / 15);
+
+            hdg += headingChangeRate * dt * sqrt(fabs(speed) / 15);
             headingError = headingDiff;
             if (fabs(headingError) < 1.0) {
                 hdg = tgt_heading;