[XPlane] Model set must not contain ACF models

Discussion: see https://discordapp.com/channels/539048679160676382/539064750055751690/648974956306366499

src/blackmisc/simulation/aircraftmodellist.cpp

@@ -947,6 +947,11 @@ namespace BlackMisc
             return diff;
         }
 
+        int CAircraftModelList::removeXPlaneFlyablePlanes()
+        {
+            return this->removeIfExcluded();
+        }
+
         int CAircraftModelList::removeByDistributor(const CDistributor &distributor)
         {
             return this->removeIf(&CAircraftModel::getDistributor, distributor);

src/blackmisc/simulation/aircraftmodellist.h

@@ -340,6 +340,9 @@ namespace BlackMisc
             //! \return number of elements removed
             int removeIfExcluded();
 
+            //! Remove the XPlane flyable planes
+            int removeXPlaneFlyablePlanes();
+
             //! Remove by distributor
             //! \return number of elements removed
             int removeByDistributor(const CDistributor &distributor);

src/blackmisc/simulation/data/modelcaches.cpp

@@ -438,6 +438,15 @@ namespace BlackMisc
                 Q_ASSERT_X(simulator.isSingleSimulator(), Q_FUNC_INFO, "No single simulator");
                 CAircraftModelList orderedModels(models);
                 orderedModels.setModelType(CAircraftModel::TypeOwnSimulatorModel); // unify type
+
+                if (simulator.isXPlane())
+                {
+                    // see https://discordapp.com/channels/539048679160676382/539064750055751690/648974956306366499
+                    // this solves the issue that ACF models are loaded in CSimulatorXPlane::loadCslPackages
+                    const int removed = orderedModels.removeXPlaneFlyablePlanes();
+                    if (removed > 0) { CLogMessage(this).info(u"Removed %1 flyable models from XPlane model set!"); }
+                }
+
                 if (orderedModels.needsOrder())
                 {
                     orderedModels.resetOrder();

src/blackmisc/simulation/xplane/aircraftmodelloaderxplane.cpp

@@ -187,7 +187,7 @@ namespace BlackMisc
 
             CAircraftModelList CAircraftModelLoaderXPlane::parseFlyableAirplanes(const QString &rootDirectory, const QStringList &excludeDirectories)
             {
-                Q_UNUSED(excludeDirectories);
+                Q_UNUSED(excludeDirectories)
                 if (rootDirectory.isEmpty()) { return {}; }
 
                 QDir searchPath(rootDirectory, fileFilterFlyable());