Started new module and sub-modules for aircraft systems, including an

initial simplistic vacuum system that's not yet connected to anything.

configure.ac

@@ -591,6 +591,8 @@ AC_CONFIG_FILES([ \
 	src/Objects/Makefile \
 	src/Scenery/Makefile \
 	src/Sound/Makefile \
+	src/Systems/Makefile \
+	src/Systems/Vacuum/Makefile \
 	src/Time/Makefile \
 	src/WeatherCM/Makefile \
 	tests/Makefile \

src/Main/Makefile.am

@@ -66,6 +66,8 @@ fgfs_LDADD = \
 	$(top_builddir)/src/Airports/libAirports.a \
         $(NETWORK_LIBS) \
 	$(top_builddir)/src/Objects/libObjects.a \
+	$(top_builddir)/src/Systems/libSystems.a \
+	$(top_builddir)/src/Systems/Vacuum/libVacuum.a \
 	$(top_builddir)/src/Time/libTime.a \
 	$(WEATHER_LIBS) \
 	$(top_builddir)/src/Input/libInput.a \

src/Main/fg_init.cxx

@@ -108,6 +108,7 @@
 #include <Scenery/tilemgr.hxx>
 #include <Sound/fg_fx.hxx>
 #include <Sound/soundmgr.hxx>
+#include <Systems/system_mgr.hxx>
 #include <Time/FGEventMgr.hxx>
 #include <Time/light.hxx>
 #include <Time/sunpos.hxx>
@@ -1018,6 +1019,12 @@ bool fgInitSubsystems( void ) {
 
 #endif
 
+    ////////////////////////////////////////////////////////////////////
+    // Initialize the aircraft systems.
+    ////////////////////////////////////////////////////////////////////
+    globals->get_systemmgr()->init();
+    globals->get_systemmgr()->bind();
+
     ////////////////////////////////////////////////////////////////////
     // Initialize the radio stack subsystem.
     ////////////////////////////////////////////////////////////////////

src/Main/globals.cxx

@@ -24,6 +24,7 @@
 #include <simgear/misc/commands.hxx>
 
 #include <Environment/environment_mgr.hxx>
+#include <Systems/system_mgr.hxx>
 
 #include "globals.hxx"
 #include "viewmgr.hxx"
@@ -49,6 +50,7 @@ FGGlobals::FGGlobals() :
     warp( 0 ),
     warp_delta( 0 ),
     logger(0),
+    systemmgr(new FGSystemMgr),
     props(new SGPropertyNode),
     initial_state(0),
     commands(new SGCommandMgr),

src/Main/globals.hxx

@@ -59,6 +59,7 @@ class FGEnvironment;
 class FGControls;
 class FGSteam;
 class FGSoundMgr;
+class FGSystemMgr;
 class FGAutopilot;
 class FGFX;
 class FGViewMgr;
@@ -132,6 +133,9 @@ private:
     // sound-effects manager
     FGFX *fx;
 
+    // aircraft system manager
+    FGSystemMgr * systemmgr;
+
     // environment information
     FGEnvironmentMgr * environment_mgr;
 
@@ -247,6 +251,8 @@ public:
     inline FGSoundMgr *get_soundmgr() const { return soundmgr; }
     inline void set_soundmgr( FGSoundMgr *sm ) { soundmgr = sm; }
 
+    inline FGSystemMgr *get_systemmgr() const { return systemmgr; }
+
     inline FGFX *get_fx() const { return fx; }
     inline void set_fx( FGFX *x ) { fx = x; }
 

src/Main/main.cxx

@@ -118,6 +118,7 @@ SG_USING_STD(endl);
 #  include <Sound/fg_fx.hxx>
 #  include <Sound/morse.hxx>
 #endif
+#include <Systems/system_mgr.hxx>
 #include <Time/FGEventMgr.hxx>
 #include <Time/fg_timer.hxx>
 #include <Time/light.hxx>
@@ -1141,6 +1142,8 @@ static void fgMainLoop( void ) {
     }
 #endif
 
+    globals->get_systemmgr()->update( delta_time_sec );
+
     //
     // Tile Manager updates - see if we need to load any new scenery tiles.
     //   this code ties together the fdm, viewer and scenery classes...

src/Makefile.am

@@ -11,7 +11,7 @@ NETWORK_DIRS = Network
 endif
 
 SUBDIRS = \
-	Include \
+        Include \
         Aircraft \
         Airports \
         ATC \
@@ -20,13 +20,14 @@ SUBDIRS = \
         Controls \
         FDM \
         GUI \
-	Input \
+        Input \
         Model \
-	Navaids \
+        Navaids \
         $(NETWORK_DIRS) \
         Objects \
         Scenery \
-	Sound \
+        Sound \
+        Systems \
         Time \
         $(WEATHER_DIR) \
         Main

src/Systems/Makefile.am

@@ -0,0 +1,7 @@
+SUBDIRS	= Vacuum
+
+noinst_LIBRARIES = libSystems.a
+
+libSystems_a_SOURCES = system_mgr.cxx system_mgr.hxx
+
+INCLUDES = -I$(top_srcdir) -I$(top_srcdir)/src

src/Systems/system_mgr.cxx

@@ -0,0 +1,54 @@
+// system_mgr.cxx - manage aircraft systems.
+// Written by David Megginson, started 2002.
+//
+// This file is in the Public Domain and comes with no warranty.
+
+
+#include "system_mgr.hxx"
+#include "Vacuum/vacuum.hxx"
+
+
+FGSystemMgr::FGSystemMgr ()
+{
+    // NO-OP
+}
+
+FGSystemMgr::~FGSystemMgr ()
+{
+    for (int i = 0; i < _systems.size(); i++) {
+        delete _systems[i];
+        _systems[i] = 0;
+    }
+}
+
+void
+FGSystemMgr::init ()
+{
+                                // TODO: replace with XML configuration
+    _systems.push_back(new VacuumSystem);
+
+                                // Initialize the individual systems
+    for (int i = 0; i < _systems.size(); i++)
+        _systems[i]->init();
+}
+
+void
+FGSystemMgr::bind ()
+{
+    // NO-OP
+}
+
+void
+FGSystemMgr::unbind ()
+{
+    // NO-OP
+}
+
+void
+FGSystemMgr::update (double dt)
+{
+    for (int i = 0; i < _systems.size(); i++)
+        _systems[i]->update(dt);
+}
+
+// end of system_manager.cxx

src/Systems/system_mgr.hxx

@@ -0,0 +1,50 @@
+// system_mgr.hxx - manage aircraft systems.
+// Written by David Megginson, started 2002.
+//
+// This file is in the Public Domain and comes with no warranty.
+
+
+#ifndef __SYSTEM_MGR_HXX
+#define __SYSTEM_MGR_HXX 1
+
+#ifndef __cplusplus
+# error This library requires C++
+#endif
+
+#ifdef HAVE_CONFIG_H
+#  include <config.h>
+#endif
+
+#include <simgear/compiler.h>
+
+#include <Main/fgfs.hxx>
+
+#include <vector>
+
+SG_USING_STD(vector);
+
+
+/**
+ * Manage aircraft systems.
+ *
+ * In the initial draft, the systems present are hard-coded, but they
+ * will soon be configurable for individual aircraft.
+ */
+class FGSystemMgr : public FGSubsystem
+{
+public:
+
+    FGSystemMgr ();
+    virtual ~FGSystemMgr ();
+
+    virtual void init ();
+    virtual void bind ();
+    virtual void unbind ();
+    virtual void update (double dt);
+
+private:
+    vector<FGSubsystem *> _systems;
+
+};
+
+#endif // __SYSTEM_MGR_HXX