X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FMain%2Ffg_init.cxx;h=d77a81a415e8746bfa7dd237adebc449725575a5;hb=38226af24ec01e8f0a20d7fd73ef838a69f6ef25;hp=b740425a857640c5bd14be076fac750bef4b1816;hpb=7c73c7d3e58f60743f4b91d678b16d8e313a46de;p=flightgear.git

diff --git a/src/Main/fg_init.cxx b/src/Main/fg_init.cxx
index b740425a8..d77a81a41 100644
--- a/src/Main/fg_init.cxx
+++ b/src/Main/fg_init.cxx
@@ -58,12 +58,12 @@
 #include <simgear/structure/event_mgr.hxx>
 #include <simgear/misc/sg_path.hxx>
 #include <simgear/misc/sg_dir.hxx>
+#include <simgear/misc/sgstream.hxx>
+
 #include <simgear/misc/interpolator.hxx>
 #include <simgear/scene/material/matlib.hxx>
 #include <simgear/scene/model/particles.hxx>
 #include <simgear/sound/soundmgr_openal.hxx>
-#include <simgear/timing/sg_time.hxx>
-#include <simgear/timing/lowleveltime.h>
 
 #include <Aircraft/controls.hxx>
 #include <Aircraft/replay.hxx>
@@ -74,47 +74,39 @@
 
 #include <AIModel/AIManager.hxx>
 
-#if ENABLE_ATCDCL
-#   include <ATCDCL/ATCmgr.hxx>
-#   include <ATCDCL/AIMgr.hxx>
-#   include "ATCDCL/commlist.hxx"
-#else
-#   include "ATC/atis.hxx"
-#   include "ATC/atcutils.hxx"
-#endif
+#include <ATCDCL/ATCmgr.hxx>
+#include <ATCDCL/commlist.hxx>
+#include <ATC/atis_mgr.hxx>
 
 #include <Autopilot/route_mgr.hxx>
 #include <Autopilot/autopilotgroup.hxx>
 
-#include <Cockpit/cockpit.hxx>
 #include <Cockpit/panel.hxx>
 #include <Cockpit/panel_io.hxx>
 
 #include <GUI/new_gui.hxx>
-#include <Include/general.hxx>
 #include <Input/input.hxx>
 #include <Instrumentation/instrument_mgr.hxx>
 #include <Model/acmodel.hxx>
+#include <Model/modelmgr.hxx>
 #include <AIModel/submodel.hxx>
 #include <AIModel/AIManager.hxx>
 #include <Navaids/navdb.hxx>
 #include <Navaids/navlist.hxx>
 #include <Navaids/fix.hxx>
 #include <Navaids/fixlist.hxx>
+#include <Navaids/airways.hxx>
 #include <Scenery/scenery.hxx>
 #include <Scenery/tilemgr.hxx>
 #include <Scripting/NasalSys.hxx>
 #include <Sound/voice.hxx>
 #include <Systems/system_mgr.hxx>
 #include <Time/light.hxx>
-#include <Time/sunsolver.hxx>
-#include <Time/tmp.hxx>
 #include <Traffic/TrafficMgr.hxx>
 #include <MultiPlayer/multiplaymgr.hxx>
 #include <FDM/fdm_shell.hxx>
 
 #include <Environment/environment_mgr.hxx>
-#include <Environment/ridge_lift.hxx>
 
 #include "fg_init.hxx"
 #include "fg_io.hxx"
@@ -146,9 +138,10 @@ static string fgScanForOption( const string& option, int argc, char **argv ) {
     if (hostname == NULL)
     {
         char _hostname[256];
-        gethostname(_hostname, 256);
-        hostname = strdup(_hostname);
-        free_hostname = true;
+        if( gethostname(_hostname, 256) >= 0 ) {
+            hostname = strdup(_hostname);
+            free_hostname = true;
+        }
     }
 
     SG_LOG(SG_GENERAL, SG_INFO, "Scanning command line for: " << option );
@@ -207,10 +200,10 @@ static string fgScanForOption( const string& option, const string& path ) {
 static string fgScanForOption( const string& option ) {
     string arg("");
 
-#if defined( unix ) || defined( __CYGWIN__ )
+#if defined( unix ) || defined( __CYGWIN__ ) || defined(_MSC_VER)
     // Next check home directory for .fgfsrc.hostname file
     if ( arg.empty() ) {
-        if ( homedir != NULL ) {
+        if ( homedir != NULL && hostname != NULL && strlen(hostname) > 0) {
             SGPath config( homedir );
             config.append( ".fgfsrc" );
             config.concat( "." );
@@ -493,10 +486,12 @@ do_options (int argc, char ** argv)
     config.append( "system.fgfsrc" );
     fgParseOptions(config.str());
 
-#if defined( unix ) || defined( __CYGWIN__ )
-    config.concat( "." );
-    config.concat( hostname );
-    fgParseOptions(config.str());
+#if defined( unix ) || defined( __CYGWIN__ ) || defined(_MSC_VER)
+    if( hostname != NULL && strlen(hostname) > 0 ) {
+        config.concat( "." );
+        config.concat( hostname );
+        fgParseOptions(config.str());
+    }
 #endif
 
     // Check for ~/.fgfsrc
@@ -506,11 +501,13 @@ do_options (int argc, char ** argv)
         fgParseOptions(config.str());
     }
 
-#if defined( unix ) || defined( __CYGWIN__ )
-    // Check for ~/.fgfsrc.hostname
-    config.concat( "." );
-    config.concat( hostname );
-    fgParseOptions(config.str());
+#if defined( unix ) || defined( __CYGWIN__ ) || defined(_MSC_VER)
+    if( hostname != NULL && strlen(hostname) > 0 ) {
+        // Check for ~/.fgfsrc.hostname
+        config.concat( "." );
+        config.concat( hostname );
+        fgParseOptions(config.str());
+    }
 #endif
 
     // Parse remaining command line options
@@ -588,7 +585,7 @@ public:
   
   bool loadAircraft()
   {
-    std::string aircraft = fgGetString( "/sim/aircraft", "");    
+    std::string aircraft = fgGetString( "/sim/aircraft", "");
     if (aircraft.empty()) {
       SG_LOG(SG_GENERAL, SG_ALERT, "no aircraft specified");
       return false;
@@ -600,6 +597,9 @@ public:
       SGPropertyNode *n = _cache->getNode("fg-root", true);
       n->setStringValue(globals->get_fg_root().c_str());
       n->setAttribute(SGPropertyNode::USERARCHIVE, true);
+      n = _cache->getNode("fg-aircraft", true);
+      n->setStringValue(getAircraftPaths().c_str());
+      n->setAttribute(SGPropertyNode::USERARCHIVE, true);
       _cache->removeChildren("aircraft");
   
       fgFindAircraft(this, &FindAndCacheAircraft::checkAircraft);
@@ -628,11 +628,29 @@ public:
   }
   
 private:
+  SGPath getAircraftPaths() {
+    string_list pathList = globals->get_aircraft_paths();
+    SGPath aircraftPaths;
+    string_list::const_iterator it = pathList.begin();
+    if (it != pathList.end()) {
+        aircraftPaths.set(*it);
+        it++;
+    }
+    for (; it != pathList.end(); ++it) {
+        aircraftPaths.add(*it);
+    }
+    return aircraftPaths;
+  }
+  
   bool checkCache()
   {
     if (globals->get_fg_root() != _cache->getStringValue("fg-root", "")) {
       return false; // cache mismatch
     }
+
+    if (getAircraftPaths().str() != _cache->getStringValue("fg-aircraft", "")) {
+      return false; // cache mismatch
+    }
     
     vector<SGPropertyNode_ptr> cache = _cache->getChildren("aircraft");
     for (unsigned int i = 0; i < cache.size(); i++) {
@@ -819,7 +837,7 @@ static void fgApplyStartOffset(const SGGeod& aStartPos, double aHeading, double
 }
 
 // Set current_options lon/lat given an airport id and heading (degrees)
-static bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
+bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg ) {
     if ( id.empty() )
         return false;
 
@@ -1073,15 +1091,8 @@ fgInitNav ()
     fixlist.init( p_fix );  // adds fixes to the DB in positioned.cxx
 
     SG_LOG(SG_GENERAL, SG_INFO, "  Airways");
-    SGPath p_awy( globals->get_fg_root() );
-    p_awy.append( "Navaids/awy.dat" );
-    FGAirwayNetwork *awyNet = new FGAirwayNetwork;
-    //cerr << "Loading Airways" << endl;
-    awyNet->load (p_awy );
-    awyNet->init();
-    //cerr << "initializing airways" << endl;
-    globals->set_airwaynet( awyNet );
-
+    flightgear::Airway::load();
+    
     return true;
 }
 
@@ -1259,153 +1270,11 @@ bool fgInitGeneral() {
     curr->setStringValue(cwd ? cwd : "");
     curr->setAttribute(SGPropertyNode::WRITE, false);
 
-    fgSetBool("/sim/startup/stdout-to-terminal", isatty(1));
-    fgSetBool("/sim/startup/stderr-to-terminal", isatty(2));
+    fgSetBool("/sim/startup/stdout-to-terminal", isatty(1) != 0 );
+    fgSetBool("/sim/startup/stderr-to-terminal", isatty(2) != 0 );
     return true;
 }
 
-// Initialize view parameters
-void fgInitView() {
-  // force update of model so that viewer can get some data...
-  globals->get_aircraft_model()->update(0);
-  // run update for current view so that data is current...
-  globals->get_viewmgr()->update(0);
-}
-
-
-SGTime *fgInitTime() {
-    // Initialize time
-    static const SGPropertyNode *longitude
-        = fgGetNode("/position/longitude-deg");
-    static const SGPropertyNode *latitude
-        = fgGetNode("/position/latitude-deg");
-    static const SGPropertyNode *cur_time_override
-        = fgGetNode("/sim/time/cur-time-override", true);
-
-    SGPath zone( globals->get_fg_root() );
-    zone.append( "Timezone" );
-    SGTime *t = new SGTime( longitude->getDoubleValue()
-                              * SGD_DEGREES_TO_RADIANS,
-                            latitude->getDoubleValue()
-                              * SGD_DEGREES_TO_RADIANS,
-                            zone.str(),
-                            cur_time_override->getLongValue() );
-
-    globals->set_warp_delta( 0 );
-
-    t->update( 0.0, 0.0,
-               cur_time_override->getLongValue(),
-               globals->get_warp() );
-
-    return t;
-}
-
-
-// set up a time offset (aka warp) if one is specified
-void fgInitTimeOffset() {
-    static const SGPropertyNode *longitude
-        = fgGetNode("/position/longitude-deg");
-    static const SGPropertyNode *latitude
-        = fgGetNode("/position/latitude-deg");
-    static const SGPropertyNode *cur_time_override
-        = fgGetNode("/sim/time/cur-time-override", true);
-
-    // Handle potential user specified time offsets
-    int orig_warp = globals->get_warp();
-    SGTime *t = globals->get_time_params();
-    time_t cur_time = t->get_cur_time();
-    time_t currGMT = sgTimeGetGMT( gmtime(&cur_time) );
-    time_t systemLocalTime = sgTimeGetGMT( localtime(&cur_time) );
-    time_t aircraftLocalTime = 
-        sgTimeGetGMT( fgLocaltime(&cur_time, t->get_zonename() ) );
-    
-    // Okay, we now have several possible scenarios
-    int offset = fgGetInt("/sim/startup/time-offset");
-    string offset_type = fgGetString("/sim/startup/time-offset-type");
-
-    int warp = 0;
-    if ( offset_type == "real" ) {
-        warp = 0;
-    } else if ( offset_type == "dawn" ) {
-        warp = fgTimeSecondsUntilSunAngle( cur_time,
-                                           longitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           latitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           90.0, true ); 
-    } else if ( offset_type == "morning" ) {
-        warp = fgTimeSecondsUntilSunAngle( cur_time,
-                                           longitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           latitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           75.0, true ); 
-    } else if ( offset_type == "noon" ) {
-        warp = fgTimeSecondsUntilSunAngle( cur_time,
-                                           longitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           latitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           0.0, true ); 
-    } else if ( offset_type == "afternoon" ) {
-        warp = fgTimeSecondsUntilSunAngle( cur_time,
-                                           longitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           latitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           60.0, false ); 
-     } else if ( offset_type == "dusk" ) {
-        warp = fgTimeSecondsUntilSunAngle( cur_time,
-                                           longitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           latitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           90.0, false ); 
-     } else if ( offset_type == "evening" ) {
-        warp = fgTimeSecondsUntilSunAngle( cur_time,
-                                           longitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           latitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           100.0, false ); 
-    } else if ( offset_type == "midnight" ) {
-        warp = fgTimeSecondsUntilSunAngle( cur_time,
-                                           longitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           latitude->getDoubleValue()
-                                             * SGD_DEGREES_TO_RADIANS,
-                                           180.0, false ); 
-    } else if ( offset_type == "system-offset" ) {
-        warp = offset;
-	orig_warp = 0;
-    } else if ( offset_type == "gmt-offset" ) {
-        warp = offset - (currGMT - systemLocalTime);
-	orig_warp = 0;
-    } else if ( offset_type == "latitude-offset" ) {
-        warp = offset - (aircraftLocalTime - systemLocalTime);
-	orig_warp = 0;
-    } else if ( offset_type == "system" ) {
-      warp = offset - (systemLocalTime - currGMT) - cur_time;
-    } else if ( offset_type == "gmt" ) {
-        warp = offset - cur_time;
-    } else if ( offset_type == "latitude" ) {
-        warp = offset - (aircraftLocalTime - currGMT)- cur_time; 
-    } else {
-        SG_LOG( SG_GENERAL, SG_ALERT,
-                "FG_TIME::Unsupported offset type " << offset_type );
-        exit( -1 );
-    }
-    globals->set_warp( orig_warp + warp );
-    t->update( longitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
-               latitude->getDoubleValue() * SGD_DEGREES_TO_RADIANS,
-               cur_time_override->getLongValue(),
-               globals->get_warp() );
-
-    SG_LOG( SG_GENERAL, SG_INFO, "After fgInitTimeOffset(): warp = " 
-            << globals->get_warp() );
-}
-
-
 // This is the top level init routine which calls all the other
 // initialization routines.  If you are adding a subsystem to flight
 // gear, its initialization call should located in this routine.
@@ -1457,15 +1326,6 @@ bool fgInitSubsystems() {
     // Initialize the scenery management subsystem.
     ////////////////////////////////////////////////////////////////////
 
-    if ( globals->get_tile_mgr()->init() ) {
-        // Load the local scenery data
-        double visibility_meters = fgGetDouble("/environment/visibility-m");
-        globals->get_tile_mgr()->update( visibility_meters );
-    } else {
-        SG_LOG( SG_GENERAL, SG_ALERT, "Error in Tile Manager initialization!" );
-        exit(-1);
-    }
-
     globals->get_scenery()->get_scene_graph()
         ->addChild(simgear::Particles::getCommonRoot());
     simgear::GlobalParticleCallback::setSwitch(fgGetNode("/sim/rendering/particles", true));
@@ -1483,13 +1343,6 @@ bool fgInitSubsystems() {
     // Initialize the weather modeling subsystem
     globals->add_subsystem("environment", new FGEnvironmentMgr);
 
-    ////////////////////////////////////////////////////////////////////
-    // Initialize the ridge lift simulation.
-    ////////////////////////////////////////////////////////////////////
-
-    // Initialize the ridgelift subsystem
-    globals->add_subsystem("ridgelift", new FGRidgeLift);
-
     ////////////////////////////////////////////////////////////////////
     // Initialize the aircraft systems and instrumentation (before the
     // autopilot.)
@@ -1502,14 +1355,8 @@ bool fgInitSubsystems() {
     // Initialize the XML Autopilot subsystem.
     ////////////////////////////////////////////////////////////////////
 
-    globals->add_subsystem( "xml-autopilot", new FGXMLAutopilotGroup, SGSubsystemMgr::FDM );
+    globals->add_subsystem( "xml-autopilot", FGXMLAutopilotGroup::createInstance(), SGSubsystemMgr::FDM );
     globals->add_subsystem( "route-manager", new FGRouteMgr );
-    
-    ////////////////////////////////////////////////////////////////////
-    // Initialize the view manager subsystem.
-    ////////////////////////////////////////////////////////////////////
-
-    fgInitView();
 
     ////////////////////////////////////////////////////////////////////
     // Initialize the Input-Output subsystem
@@ -1528,57 +1375,33 @@ bool fgInitSubsystems() {
 
     globals->add_subsystem("gui", new NewGUI, SGSubsystemMgr::INIT);
 
-
-    ////////////////////////////////////////////////////////////////////
-    // Initialize the local time subsystem.
-    ////////////////////////////////////////////////////////////////////
-
-    // update the current timezone each 30 minutes
-    globals->get_event_mgr()->addTask( "fgUpdateLocalTime()",
-                                       &fgUpdateLocalTime, 30*60 );
-    fgInitTimeOffset();		// the environment subsystem needs this
-
-
-    ////////////////////////////////////////////////////////////////////
-    // Initialize the lighting subsystem.
-    ////////////////////////////////////////////////////////////////////
-
-    globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
-
     //////////////////////////////////////////////////////////////////////
     // Initialize the 2D cloud subsystem.
     ////////////////////////////////////////////////////////////////////
     fgGetBool("/sim/rendering/bump-mapping", false);
 
-#ifdef ENABLE_AUDIO_SUPPORT
-    ////////////////////////////////////////////////////////////////////
-    // Initialize the sound-effects subsystem.
-    ////////////////////////////////////////////////////////////////////
-    globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
-#endif
+
 
     ////////////////////////////////////////////////////////////////////
-    // Initialise the ATC Manager 
+    // Initialise the ATC Manager
     ////////////////////////////////////////////////////////////////////
 
-#if ENABLE_ATCDCL
     SG_LOG(SG_GENERAL, SG_INFO, "  ATC Manager");
     globals->set_ATC_mgr(new FGATCMgr);
     globals->get_ATC_mgr()->init(); 
 
     ////////////////////////////////////////////////////////////////////
-    // Initialise the AI Manager 
+    // Initialise the ATIS Manager
     ////////////////////////////////////////////////////////////////////
+    globals->add_subsystem("atis", new FGAtisManager, SGSubsystemMgr::POST_FDM);
+
 
-    SG_LOG(SG_GENERAL, SG_INFO, "  AI Manager");
-    globals->set_AI_mgr(new FGAIMgr);
-    globals->get_AI_mgr()->init();
-#else
     ////////////////////////////////////////////////////////////////////
-    // Initialise the ATIS Manager
+    // Initialize multiplayer subsystem
     ////////////////////////////////////////////////////////////////////
-    globals->add_subsystem("atis", new FGAtisManager, SGSubsystemMgr::POST_FDM);
-#endif
+
+    globals->add_subsystem("mp", new FGMultiplayMgr, SGSubsystemMgr::POST_FDM);
+
     ////////////////////////////////////////////////////////////////////
     // Initialise the AI Model Manager
     ////////////////////////////////////////////////////////////////////
@@ -1592,33 +1415,24 @@ bool fgInitSubsystems() {
     // AI Traffic manager
     globals->add_subsystem("Traffic Manager", new FGTrafficManager, SGSubsystemMgr::POST_FDM);
 
-
-    if( fgCockpitInit()) {
-        // Cockpit initialized ok.
-    } else {
-        SG_LOG( SG_GENERAL, SG_ALERT, "Error in Cockpit initialization!" );
-        exit(-1);
-    }
-
-
     ////////////////////////////////////////////////////////////////////
     // Add a new 2D panel.
     ////////////////////////////////////////////////////////////////////
 
-    string panel_path = fgGetString("/sim/panel/path",
-                                    "Panels/Default/default.xml");
-
-    globals->set_current_panel( fgReadPanel(panel_path) );
-    if (globals->get_current_panel() == 0) {
+    string panel_path(fgGetString("/sim/panel/path"));
+    if (!panel_path.empty()) {
+      FGPanel* p = fgReadPanel(panel_path);
+      if (p) {
+        globals->set_current_panel(p);
+        p->init();
+        p->bind();
+        SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
+      } else {
         SG_LOG( SG_INPUT, SG_ALERT,
                 "Error reading new panel from " << panel_path );
-    } else {
-        SG_LOG( SG_INPUT, SG_INFO, "Loaded new panel from " << panel_path );
-        globals->get_current_panel()->init();
-        globals->get_current_panel()->bind();
+      }
     }
 
-
     ////////////////////////////////////////////////////////////////////
     // Initialize the controls subsystem.
     ////////////////////////////////////////////////////////////////////
@@ -1639,20 +1453,43 @@ bool fgInitSubsystems() {
     ////////////////////////////////////////////////////////////////////
     globals->add_subsystem("replay", new FGReplay);
 
+#ifdef ENABLE_AUDIO_SUPPORT
+    ////////////////////////////////////////////////////////////////////
+    // Initialize the sound-effects subsystem.
+    ////////////////////////////////////////////////////////////////////
+    globals->add_subsystem("voice", new FGVoiceMgr, SGSubsystemMgr::DISPLAY);
+#endif
 
     ////////////////////////////////////////////////////////////////////
-    // Bind and initialize subsystems.
+    // Initialize the lighting subsystem.
     ////////////////////////////////////////////////////////////////////
 
-    globals->get_subsystem_mgr()->bind();
-    globals->get_subsystem_mgr()->init();
+    globals->add_subsystem("lighting", new FGLight, SGSubsystemMgr::DISPLAY);
+    
+    // ordering here is important : Nasal (via events), then models, then views
+    globals->add_subsystem("events", globals->get_event_mgr(), SGSubsystemMgr::DISPLAY);
+    
+    FGAircraftModel* acm = new FGAircraftModel;
+    globals->set_aircraft_model(acm);
+    globals->add_subsystem("aircraft-model", acm, SGSubsystemMgr::DISPLAY);
 
+    FGModelMgr* mm = new FGModelMgr;
+    globals->set_model_mgr(mm);
+    globals->add_subsystem("model-manager", mm, SGSubsystemMgr::DISPLAY);
+
+    FGViewMgr *viewmgr = new FGViewMgr;
+    globals->set_viewmgr( viewmgr );
+    globals->add_subsystem("view-manager", viewmgr, SGSubsystemMgr::DISPLAY);
+
+    globals->add_subsystem("tile-manager", globals->get_tile_mgr(), 
+      SGSubsystemMgr::DISPLAY);
+      
     ////////////////////////////////////////////////////////////////////
-    // Initialize multiplayer subsystem
+    // Bind and initialize subsystems.
     ////////////////////////////////////////////////////////////////////
 
-    globals->set_multiplayer_mgr(new FGMultiplayMgr);
-    globals->get_multiplayer_mgr()->init();
+    globals->get_subsystem_mgr()->bind();
+    globals->get_subsystem_mgr()->init();
 
     ////////////////////////////////////////////////////////////////////////
     // Initialize the Nasal interpreter.
@@ -1669,6 +1506,8 @@ bool fgInitSubsystems() {
     // End of subsystem initialization.
     ////////////////////////////////////////////////////////////////////
 
+    fgSetBool("/sim/initialized", true);
+
     SG_LOG( SG_GENERAL, SG_INFO, endl);
 
                                 // Save the initial state for future
@@ -1678,28 +1517,35 @@ bool fgInitSubsystems() {
     return true;
 }
 
-
+// Reset: this is what the 'reset' command (and hence, GUI) is attached to
 void fgReInitSubsystems()
 {
-    // static const SGPropertyNode *longitude
-    //     = fgGetNode("/sim/presets/longitude-deg");
-    // static const SGPropertyNode *latitude
-    //     = fgGetNode("/sim/presets/latitude-deg");
-    static const SGPropertyNode *altitude
-        = fgGetNode("/sim/presets/altitude-ft");
     static const SGPropertyNode *master_freeze
         = fgGetNode("/sim/freeze/master");
 
-    SG_LOG( SG_GENERAL, SG_INFO,
-            "fgReInitSubsystems(): /position/altitude = "
-            << altitude->getDoubleValue() );
+    SG_LOG( SG_GENERAL, SG_INFO, "fgReInitSubsystems()");
 
+// setup state to begin re-init
     bool freeze = master_freeze->getBoolValue();
     if ( !freeze ) {
         fgSetBool("/sim/freeze/master", true);
     }
+    
+    fgSetBool("/sim/signals/reinit", true);
     fgSetBool("/sim/crashed", false);
 
+// do actual re-init steps
+    globals->get_subsystem("flight")->unbind();
+    
+  // reset control state, before restoring initial state; -set or config files
+  // may specify values for flaps, trim tabs, magnetos, etc
+    globals->get_controls()->reset_all();
+        
+    globals->restoreInitialState();
+
+    // update our position based on current presets
+    fgInitPosition();
+    
     // Force reupdating the positions of the ai 3d models. They are used for
     // initializing ground level for the FDM.
     globals->get_subsystem("ai_model")->reinit();
@@ -1707,18 +1553,16 @@ void fgReInitSubsystems()
     // Initialize the FDM
     globals->get_subsystem("flight")->reinit();
 
+    // reset replay buffers
+    globals->get_subsystem("replay")->reinit();
+    
     // reload offsets from config defaults
     globals->get_viewmgr()->reinit();
 
-    fgInitView();
-
-    globals->get_controls()->reset_all();
-
-    fgUpdateLocalTime();
-
-    // re-init to proper time of day setting
-    fgInitTimeOffset();
+    globals->get_subsystem("time")->reinit();
 
+// setup state to end re-init
+    fgSetBool("/sim/signals/reinit", false);
     if ( !freeze ) {
         fgSetBool("/sim/freeze/master", false);
     }
@@ -1726,62 +1570,6 @@ void fgReInitSubsystems()
 }
 
 
-void doSimulatorReset(void)  // from gui_local.cxx -- TODO merge with fgReInitSubsystems()
-{
-    static SGPropertyNode_ptr master_freeze = fgGetNode("/sim/freeze/master", true);
-
-    bool freeze = master_freeze->getBoolValue();
-    if (!freeze)
-        master_freeze->setBoolValue(true);
-
-    fgSetBool("/sim/signals/reinit", true);
-
-    globals->get_subsystem("flight")->unbind();
-
-    // in case user has changed window size as
-    // restoreInitialState() overwrites these
-    int xsize = fgGetInt("/sim/startup/xsize");
-    int ysize = fgGetInt("/sim/startup/ysize");
-
-    // viewports also needs to be saved/restored as
-    // restoreInitialState() overwrites these
-    SGPropertyNode *guiNode = new SGPropertyNode;
-    SGPropertyNode *cameraNode = new SGPropertyNode;
-    SGPropertyNode *cameraGroupNode = fgGetNode("/sim/rendering/camera-group");
-    copyProperties(cameraGroupNode->getChild("camera"), cameraNode);
-    copyProperties(cameraGroupNode->getChild("gui"), guiNode);
-
-    globals->restoreInitialState();
-
-    // update our position based on current presets
-    fgInitPosition();
-
-    // We don't know how to resize the window, so keep the last values
-    //  for xsize and ysize, and don't use the one set initially
-    fgSetInt("/sim/startup/xsize", xsize);
-    fgSetInt("/sim/startup/ysize", ysize);
-
-    copyProperties(cameraNode, cameraGroupNode->getChild("camera"));
-    copyProperties(guiNode, cameraGroupNode->getChild("gui"));
-
-    delete guiNode;
-    delete cameraNode;
-
-    SGTime *t = globals->get_time_params();
-    delete t;
-    t = fgInitTime();
-    globals->set_time_params(t);
-
-    fgReInitSubsystems();
-
-    globals->get_tile_mgr()->update(fgGetDouble("/environment/visibility-m"));
-    globals->get_renderer()->resize(xsize, ysize);
-    fgSetBool("/sim/signals/reinit", false);
-
-    if (!freeze)
-        master_freeze->setBoolValue(false);
-}
-
 ///////////////////////////////////////////////////////////////////////////////
 // helper object to implement the --show-aircraft command.
 // resides here so we can share the fgFindAircraftInDir template above,
@@ -1814,7 +1602,7 @@ private:
     SGPropertyNode root;
     try {
        readProperties(path.str(), &root);
-    } catch (sg_exception& e) {
+    } catch (sg_exception& ) {
        return false;
     }