Vivian MEAZZA:

"BUGFIX - fix initiation order - make sure that the AI Model list is
populated before we attempt to attach submodels."

src/AIModel/submodel.cxx

@@ -26,7 +26,6 @@ const double FGSubmodelMgr::lbs_to_slugs = 0.031080950172;
 
 FGSubmodelMgr::FGSubmodelMgr()
 {
-
     x_offset = y_offset = 0.0;
     z_offset = -4.0;
     pitch_offset = 2.0;
@@ -75,7 +74,10 @@ void FGSubmodelMgr::init()
     _contrail_trigger->setBoolValue(false);
 
     ai = (FGAIManager*)globals->get_subsystem("ai_model");
+}
 
+void FGSubmodelMgr::postinit() {
+    // postinit, so that the AI list is populated
     loadAI();
 }
 
@@ -95,7 +97,6 @@ void FGSubmodelMgr::unbind()
 
 void FGSubmodelMgr::update(double dt)
 {
-
     if (!(_serviceable_node->getBoolValue()))
         return;
 
@@ -106,6 +107,7 @@ void FGSubmodelMgr::update(double dt)
     _contrail_trigger->setBoolValue(_user_alt_node->getDoubleValue() > contrail_altitude);
 
     submodel_iterator = submodels.begin();
+
     while (submodel_iterator != submodels.end()) {
         i++;
 
@@ -483,6 +485,7 @@ void FGSubmodelMgr::loadAI()
     while (sm_list_itr != end) {
         string path = (*sm_list_itr)->_getPath();
         bool serviceable = (*sm_list_itr)->_getServiceable();
+
         if (path.empty()) {
             ++sm_list_itr;
             continue;

src/AIModel/submodel.hxx

@@ -90,6 +90,7 @@ public:
 
     void load();
     void init();
+    void postinit();
     void bind();
     void unbind();
     void update(double dt);