Move the submodels code from the Systems manager into it's own Subsystem manager.

src/AIModel/Makefile.am

@@ -1,6 +1,7 @@
 noinst_LIBRARIES = libAIModel.a
 
 libAIModel_a_SOURCES = \
+	submodel.cxx submodel.hxx \
 	AIManager.hxx AIManager.cxx \
 	AIBase.hxx AIBase.cxx \
 	AIAircraft.hxx AIAircraft.cxx \

src/AIModel/submodel.cxx

@@ -13,9 +13,9 @@
 #include <AIModel/AIManager.hxx>
 
 
-const double SubmodelSystem::lbs_to_slugs = 0.031080950172;
+const double FGSubmodelMgr::lbs_to_slugs = 0.031080950172;
 
-SubmodelSystem::SubmodelSystem ()
+FGSubmodelMgr::FGSubmodelMgr ()
 {
     
   x_offset = y_offset = 0.0;
@@ -28,12 +28,12 @@ SubmodelSystem::SubmodelSystem ()
   string contents_node;
 }
 
-SubmodelSystem::~SubmodelSystem ()
+FGSubmodelMgr::~FGSubmodelMgr ()
 {
 }
 
 void
-SubmodelSystem::init ()
+FGSubmodelMgr::init ()
 {
     load();
     _serviceable_node = fgGetNode("/sim/systems/submodels/serviceable", true);
@@ -63,12 +63,12 @@ SubmodelSystem::init ()
 }
 
 void
-SubmodelSystem::bind ()
+FGSubmodelMgr::bind ()
 {
 }
 
 void
-SubmodelSystem::unbind ()
+FGSubmodelMgr::unbind ()
 {
   submodel_iterator = submodels.begin();
   while(submodel_iterator != submodels.end()) {
@@ -78,7 +78,7 @@ SubmodelSystem::unbind ()
 }
 
 void
-SubmodelSystem::update (double dt)
+FGSubmodelMgr::update (double dt)
 {
   if (!(_serviceable_node->getBoolValue())) return;
   int i=-1;
@@ -98,7 +98,7 @@ SubmodelSystem::update (double dt)
 }
 
 bool
-SubmodelSystem::release (submodel* sm, double dt)
+FGSubmodelMgr::release (submodel* sm, double dt)
 {
   sm->timer += dt;
   if (sm->timer < sm->delay) return false;
@@ -137,7 +137,7 @@ SubmodelSystem::release (submodel* sm, double dt)
 }
 
 void
-SubmodelSystem::load ()
+FGSubmodelMgr::load ()
 {
 
     int i;
@@ -205,7 +205,7 @@ SubmodelSystem::load ()
 
 
 void
-SubmodelSystem::transform( submodel* sm) 
+FGSubmodelMgr::transform( submodel* sm) 
 {
 
 // get initial conditions 
@@ -335,7 +335,7 @@ SubmodelSystem::transform( submodel* sm)
 }
 
 void 
-SubmodelSystem::updatelat(double lat) 
+FGSubmodelMgr::updatelat(double lat) 
 {
     double latitude = lat;
     ft_per_deg_latitude = 366468.96 - 3717.12 * cos(latitude / SG_RADIANS_TO_DEGREES);

src/AIModel/submodel.hxx

@@ -20,7 +20,7 @@ SG_USING_STD(vector);
 SG_USING_STD(string);
 
 
-class SubmodelSystem : public SGSubsystem
+class FGSubmodelMgr : public SGSubsystem
 {
 
 public:
@@ -73,8 +73,8 @@ public:
   double     mass;
  } IC_struct;  
 
-    SubmodelSystem ();
+    FGSubmodelMgr ();
-    ~SubmodelSystem ();
+    ~FGSubmodelMgr ();
 
     void load ();
     void init ();

src/Main/fg_init.cxx

@@ -100,6 +100,7 @@
 #include <Input/input.hxx>
 #include <Instrumentation/instrument_mgr.hxx>
 #include <Model/acmodel.hxx>
+#include <AIModel/submodel.hxx>
 #include <AIModel/AIManager.hxx>
 #include <Navaids/navdb.hxx>
 #include <Navaids/navlist.hxx>
@@ -1693,6 +1694,7 @@ bool fgInitSubsystems() {
     ////////////////////////////////////////////////////////////////////
     SG_LOG(SG_GENERAL, SG_INFO, "  AI Model Manager");
     globals->add_subsystem("ai_model", new FGAIManager);
+    globals->add_subsystem("submodel_mgr", new FGSubmodelMgr);
 
 
      // It's probably a good idea to initialize the top level traffic manager

src/Systems/Makefile.am

@@ -5,7 +5,6 @@ libSystems_a_SOURCES = \
                         electrical.cxx electrical.hxx \
                         pitot.cxx pitot.hxx \
                         static.cxx static.hxx \
-                        vacuum.cxx vacuum.hxx \
+                        vacuum.cxx vacuum.hxx
-			submodel.cxx submodel.hxx
 
 INCLUDES = -I$(top_srcdir) -I$(top_srcdir)/src

src/Systems/system_mgr.cxx

@@ -20,13 +20,11 @@
 #include "pitot.hxx"
 #include "static.hxx"
 #include "vacuum.hxx"
-#include "submodel.hxx"
 
 
 FGSystemMgr::FGSystemMgr ()
 {
     set_subsystem( "electrical", new FGElectricalSystem );
-    set_subsystem( "submodel", new SubmodelSystem() );
 
     config_props = new SGPropertyNode;