X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FMain%2Fmain.cxx;h=d6ab4c5635d2e93f0f976c4285c64042a5a28a0b;hb=9002696195c50219d7df06e098b57c79a289a0e0;hp=8bc9fd32b7be99a119065549e9df2868e1e85199;hpb=9b900e94304b95337e2731946525cde4ef377da9;p=flightgear.git

diff --git a/src/Main/main.cxx b/src/Main/main.cxx
index 8bc9fd32b..d6ab4c563 100644
--- a/src/Main/main.cxx
+++ b/src/Main/main.cxx
@@ -27,20 +27,25 @@
 
 #include <simgear/compiler.h>
 
-#if defined(__linux__) && defined(__i386__)
-#  include <fpu_control.h>
-#  include <signal.h>
-#endif
-
 #include <iostream>
 
 #include <osg/Camera>
 #include <osg/GraphicsContext>
 #include <osgDB/Registry>
 
+#if defined(HAVE_CRASHRPT)
+	#include <CrashRpt.h>
+
+// defined in bootstrap.cxx
+extern bool global_crashRptEnabled;
+
+#endif
+
 // Class references
+#include <simgear/canvas/VGInitOperation.hxx>
 #include <simgear/scene/model/modellib.hxx>
 #include <simgear/scene/material/matlib.hxx>
+#include <simgear/scene/material/Effect.hxx>
 #include <simgear/props/AtomicChangeListener.hxx>
 #include <simgear/props/props.hxx>
 #include <simgear/timing/sg_time.hxx>
@@ -48,19 +53,21 @@
 #include <simgear/scene/tsync/terrasync.hxx>
 #include <simgear/math/SGMath.hxx>
 #include <simgear/math/sg_random.h>
+#include <simgear/misc/strutils.hxx>
+#include <simgear/scene/tgdb/GroundLightManager.hxx>
 
-#include <Aircraft/controls.hxx>
 #include <Model/panelnode.hxx>
 #include <Scenery/scenery.hxx>
 #include <Scenery/tilemgr.hxx>
 #include <Sound/soundmanager.hxx>
 #include <Time/TimeManager.hxx>
 #include <GUI/gui.h>
-#include <Viewer/CameraGroup.hxx>
-#include <Viewer/WindowSystemAdapter.hxx>
+#include <GUI/MessageBox.hxx>
 #include <Viewer/splash.hxx>
 #include <Viewer/renderer.hxx>
+#include <Viewer/WindowSystemAdapter.hxx>
 #include <Navaids/NavDataCache.hxx>
+#include <Include/version.h>
 
 #include "fg_commands.hxx"
 #include "fg_io.hxx"
@@ -70,6 +77,13 @@
 #include "fg_os.hxx"
 #include "fg_props.hxx"
 #include "positioninit.hxx"
+#include "screensaver_control.hxx"
+#include "subsystemFactory.hxx"
+#include "options.hxx"
+
+#if defined(HAVE_QT)
+#include <GUI/QtLauncher.hxx>
+#endif
 
 using namespace flightgear;
 
@@ -80,95 +94,98 @@ using std::vector;
 // is initialized.
 extern int _bootstrap_OSInit;
 
-
-static void fgLoadInitialScenery()
-{
-    static SGPropertyNode_ptr scenery_loaded
-        = fgGetNode("sim/sceneryloaded", true);
-    static SGPropertyNode_ptr scenery_override
-        = fgGetNode("/sim/sceneryloaded-override", true);
-
-    if (!scenery_loaded->getBoolValue())
-    {
-        if (scenery_override->getBoolValue() ||
-            (globals->get_tile_mgr()->isSceneryLoaded()
-             && fgGetBool("sim/fdm-initialized"))) {
-            fgSetBool("sim/sceneryloaded",true);
-            fgSplashProgress("");
-        }
-        else
-        {
-            fgSplashProgress("loading scenery");
-            // be nice to loader threads while waiting for initial scenery, reduce to 2fps
-            SGTimeStamp::sleepForMSec(500);
-        }
-    }
-}
+static SGPropertyNode_ptr frame_signal;
+static TimeManager* timeMgr;
 
 // What should we do when we have nothing else to do?  Let's get ready
 // for the next move and update the display?
 static void fgMainLoop( void )
 {
-    static SGPropertyNode_ptr frame_signal
-        = fgGetNode("/sim/signals/frame", true);
-
     frame_signal->fireValueChanged();
 
-    SG_LOG( SG_GENERAL, SG_DEBUG, "Running Main Loop");
-    SG_LOG( SG_GENERAL, SG_DEBUG, "======= ==== ====");
-
     // compute simulated time (allowing for pause, warp, etc) and
     // real elapsed time
     double sim_dt, real_dt;
-    static TimeManager* timeMgr = (TimeManager*) globals->get_subsystem("time");
     timeMgr->computeTimeDeltas(sim_dt, real_dt);
 
     // update all subsystems
     globals->get_subsystem_mgr()->update(sim_dt);
 
-    // END Tile Manager updates
-    fgLoadInitialScenery();
-
     simgear::AtomicChangeListener::fireChangeListeners();
-
-    SG_LOG( SG_GENERAL, SG_DEBUG, "" );
 }
 
-// Operation for querying OpenGL parameters. This must be done in a
-// valid OpenGL context, potentially in another thread.
-namespace
-{
-struct GeneralInitOperation : public GraphicsContextOperation
+static void initTerrasync()
 {
-    GeneralInitOperation()
-        : GraphicsContextOperation(std::string("General init"))
-    {
+    // add the terrasync root as a data path so data can be retrieved from it
+    // (even if we are in read-only mode)
+    std::string terraSyncDir(fgGetString("/sim/terrasync/scenery-dir"));
+    globals->append_data_path(terraSyncDir);
+    
+    if (fgGetBool("/sim/fghome-readonly", false)) {
+        return;
     }
-    void run(osg::GraphicsContext* gc)
-    {
-        SGPropertyNode* simRendering = fgGetNode("/sim/rendering");
-        
-        simRendering->setStringValue("gl-vendor", (char*) glGetString(GL_VENDOR));
-        SG_LOG( SG_GENERAL, SG_INFO, glGetString(GL_VENDOR));
-        
-        simRendering->setStringValue("gl-renderer", (char*) glGetString(GL_RENDERER));
-        SG_LOG( SG_GENERAL, SG_INFO, glGetString(GL_RENDERER));
-        
-        simRendering->setStringValue("gl-version", (char*) glGetString(GL_VERSION));
-        SG_LOG( SG_GENERAL, SG_INFO, glGetString(GL_VERSION));
-
-        simRendering->setStringValue("gl-shading-language-version", (char*) glGetString(GL_SHADING_LANGUAGE_VERSION));
-        SG_LOG( SG_GENERAL, SG_INFO, glGetString(GL_SHADING_LANGUAGE_VERSION));
-
-        GLint tmp;
-        glGetIntegerv( GL_MAX_TEXTURE_SIZE, &tmp );
-        simRendering->setIntValue("max-texture-size", tmp);
-
-        glGetIntegerv( GL_DEPTH_BITS, &tmp );
-        simRendering->setIntValue("depth-buffer-bits", tmp);
+    
+    // start TerraSync up now, so it can be synchronizing shared models
+    // and airports data in parallel with a nav-cache rebuild.
+    SGPath tsyncCache(globals->get_fg_home());
+    tsyncCache.append("terrasync-cache.xml");
+    
+    // wipe the cache file if requested
+    if (flightgear::Options::sharedInstance()->isOptionSet("restore-defaults")) {
+        SG_LOG(SG_GENERAL, SG_INFO, "restore-defaults requested, wiping terrasync update cache at " <<
+               tsyncCache);
+        if (tsyncCache.exists()) {
+            tsyncCache.remove();
+        }
     }
-};
+    
+    fgSetString("/sim/terrasync/cache-path", tsyncCache.c_str());
+    
+    simgear::SGTerraSync* terra_sync = new simgear::SGTerraSync();
+    terra_sync->setRoot(globals->get_props());
+    globals->add_subsystem("terrasync", terra_sync);
+    
+    terra_sync->bind();
+    terra_sync->init();
+}
 
+static void checkOpenGLVersion()
+{
+#if defined(SG_MAC)
+    // Mac users can't upgrade their drivers, so complaining about
+    // versions doesn't help them much
+    return;
+#endif
+    
+    // format of these strings is not standardised, so be careful about
+    // parsing them.
+    std::string versionString(fgGetString("/sim/rendering/gl-version"));
+    string_list parts = simgear::strutils::split(versionString);
+    if (parts.size() == 3) {
+        if (parts[1].find("NVIDIA") != std::string::npos) {
+            // driver version number, dot-seperared
+            string_list driverVersion = simgear::strutils::split(parts[2], ".");
+            if (!driverVersion.empty()) {
+                int majorDriverVersion = simgear::strutils::to_int(driverVersion[0]);
+                if (majorDriverVersion < 300) {
+                    std::ostringstream ss;
+                    ss << "Please upgrade to at least version 300 of the nVidia drivers (installed version is " << parts[2] << ")";
+
+                    flightgear::modalMessageBox("Outdated graphics drivers",
+                                                "FlightGear has detected outdated drivers for your graphics card.",
+                                                ss.str());
+                }
+            }
+        } // of NVIDIA-style version string
+    } // of three parts
+}
+
+static void registerMainLoop()
+{
+    // stash current frame signal property
+    frame_signal = fgGetNode("/sim/signals/frame", true);
+    timeMgr = (TimeManager*) globals->get_subsystem("time");
+    fgRegisterIdleHandler( fgMainLoop );
 }
 
 // This is the top level master main function that is registered as
@@ -178,68 +195,45 @@ struct GeneralInitOperation : public GraphicsContextOperation
 // per pass) and once everything has been initialized fgMainLoop from
 // then on.
 
+static int idle_state = 0;
+
 static void fgIdleFunction ( void ) {
     // Specify our current idle function state.  This is used to run all
     // our initializations out of the idle callback so that we can get a
     // splash screen up and running right away.
-    static int idle_state = 0;
-    static int spin_count = 0;
-  
-    static osg::ref_ptr<GeneralInitOperation> genOp;
+    
     if ( idle_state == 0 ) {
-        idle_state++;
-        // Pick some window on which to do queries.
-        // XXX Perhaps all this graphics initialization code should be
-        // moved to renderer.cxx?
-        genOp = new GeneralInitOperation;
-        osg::Camera* guiCamera = getGUICamera(CameraGroup::getDefault());
-        WindowSystemAdapter* wsa = WindowSystemAdapter::getWSA();
-        osg::GraphicsContext* gc = 0;
-        if (guiCamera)
-            gc = guiCamera->getGraphicsContext();
-        if (gc) {
-            gc->add(genOp.get());
-        } else {
-            wsa->windows[0]->gc->add(genOp.get());
-        }
-        guiStartInit(gc);
-    } else if ( idle_state == 1 ) {
-        if (genOp.valid()) {
-            if (!genOp->isFinished())
-                return;
-            genOp = 0;
+        if (guiInit())
+        {
+            checkOpenGLVersion();
+            idle_state+=2;
+            fgSplashProgress("loading-aircraft-list");
         }
-        if (!guiFinishInit())
-            return;
-        idle_state++;
-        fgSplashProgress("loading aircraft list");
 
     } else if ( idle_state == 2 ) {
+        initTerrasync();
         idle_state++;
-        fgSplashProgress("loading navigation data");
+        fgSplashProgress("loading-nav-dat");
 
     } else if ( idle_state == 3 ) {
-        idle_state++;
-        fgInitNav();
-
-        fgSplashProgress("initializing scenery system");
-
+        
+        bool done = fgInitNav();
+        if (done) {
+          ++idle_state;
+          fgSplashProgress("init-scenery");
+        } else {
+          fgSplashProgress("loading-nav-dat");
+        }
+      
     } else if ( idle_state == 4 ) {
-        idle_state+=2;
-        // based on the requested presets, calculate the true starting
-        // lon, lat
-        flightgear::initPosition();
-        flightgear::initTowerLocationListener();
+        idle_state++;
 
         TimeManager* t = new TimeManager;
         globals->add_subsystem("time", t, SGSubsystemMgr::INIT);
-        t->init(); // need to init now, not during initSubsystems
         
         // Do some quick general initializations
         if( !fgInitGeneral()) {
-            SG_LOG( SG_GENERAL, SG_ALERT,
-                "General initialization failed ..." );
-            exit(-1);
+            throw sg_exception("General initialization failed");
         }
 
         ////////////////////////////////////////////////////////////////////
@@ -247,36 +241,42 @@ static void fgIdleFunction ( void ) {
         ////////////////////////////////////////////////////////////////////
         fgInitCommands();
 
+        flightgear::registerSubsystemCommands(globals->get_commands());
+
         ////////////////////////////////////////////////////////////////////
         // Initialize the material manager
         ////////////////////////////////////////////////////////////////////
         globals->set_matlib( new SGMaterialLib );
-        simgear::SGModelLib::init(globals->get_fg_root(), globals->get_props());
         simgear::SGModelLib::setPanelFunc(FGPanelNode::load);
-
+ 
+    } else if (( idle_state == 5 ) || (idle_state == 2005)) {
+        idle_state+=2;
+        flightgear::initPosition();
+        flightgear::initTowerLocationListener();
+        
+        simgear::SGModelLib::init(globals->get_fg_root(), globals->get_props());
+        
+        TimeManager* timeManager = (TimeManager*) globals->get_subsystem("time");
+        timeManager->init();
+        
         ////////////////////////////////////////////////////////////////////
         // Initialize the TG scenery subsystem.
         ////////////////////////////////////////////////////////////////////
-        simgear::SGTerraSync* terra_sync = new simgear::SGTerraSync(globals->get_props());
-        globals->add_subsystem("terrasync", terra_sync);
+        
         globals->set_scenery( new FGScenery );
         globals->get_scenery()->init();
         globals->get_scenery()->bind();
         globals->set_tile_mgr( new FGTileMgr );
-
-        fgSplashProgress("loading aircraft");
-
-    } else if ( idle_state == 6 ) {
-        idle_state++;
-        fgSplashProgress("creating subsystems");
-
-    } else if ( idle_state == 7 ) {
-        idle_state++;
+        
+        fgSplashProgress("creating-subsystems");
+    } else if (( idle_state == 7 ) || (idle_state == 2007)) {
+        bool isReset = (idle_state == 2007);
+        idle_state = 8; // from the next state on, reset & startup are identical
         SGTimeStamp st;
         st.stamp();
-        fgCreateSubsystems();
+        fgCreateSubsystems(isReset);
         SG_LOG(SG_GENERAL, SG_INFO, "Creating subsystems took:" << st.elapsedMSec());
-        fgSplashProgress("binding subsystems");
+        fgSplashProgress("binding-subsystems");
       
     } else if ( idle_state == 8 ) {
         idle_state++;
@@ -285,52 +285,20 @@ static void fgIdleFunction ( void ) {
         globals->get_subsystem_mgr()->bind();
         SG_LOG(SG_GENERAL, SG_INFO, "Binding subsystems took:" << st.elapsedMSec());
 
-        fgSplashProgress("initing subsystems");
+        fgSplashProgress("init-subsystems");
     } else if ( idle_state == 9 ) {
         SGSubsystem::InitStatus status = globals->get_subsystem_mgr()->incrementalInit();
         if ( status == SGSubsystem::INIT_DONE) {
           ++idle_state;
-          fgSplashProgress("finishing subsystem init");
+          fgSplashProgress("finishing-subsystems");
         } else {
-          const char* spinChars = "-\\|/";
-          string msg = string("initing subsystems ") + spinChars[spin_count++ % 4];
-          fgSplashProgress(msg.c_str());
+          fgSplashProgress("init-subsystems");
         }
       
     } else if ( idle_state == 10 ) {
         idle_state = 900;
         fgPostInitSubsystems();
-      
-              // Torsten Dreyer:
-        // ugly hack for automatic runway selection on startup based on
-        // metar data. Makes startup.nas obsolete and guarantees the same
-        // runway selection as for AI traffic. However, this code belongs to
-        // somewhere(?) else - if I only new where...
-        if( true == fgGetBool( "/environment/metar/valid" ) ) {
-            SG_LOG(SG_ENVIRONMENT, SG_INFO,
-                "Using METAR for runway selection: '" << fgGetString("/environment/metar/data") << "'" );
-            // the realwx_ctrl fetches metar in the foreground on init,
-            // If it was able to fetch a metar or one was given on the commandline,
-            // the valid flag is set here, otherwise it is false
-            double hdg = fgGetDouble( "/environment/metar/base-wind-dir-deg", 9999.0 );
-            string apt = fgGetString( "/sim/startup/options/airport" );
-            string rwy = fgGetString( "/sim/startup/options/runway" );
-            double strthdg = fgGetDouble( "/sim/startup/options/heading-deg", 9999.0 );
-            string parkpos = fgGetString( "/sim/presets/parkpos" );
-            bool onground = fgGetBool( "/sim/presets/onground", false );
-            // don't check for wind-speed < 1kt, this belongs to the runway-selection code
-            // the other logic is taken from former startup.nas
-            if( hdg < 360.0 && apt.length() > 0 && strthdg > 360.0 && rwy.length() == 0 && onground && parkpos.length() == 0 ) {
-                extern bool fgSetPosFromAirportIDandHdg( const string& id, double tgt_hdg );
-                flightgear::setPosFromAirportIDandHdg( apt, hdg );
-            }
-        } else {
-            SG_LOG(SG_ENVIRONMENT, SG_INFO,
-                "No METAR available to pick active runway" );
-        }
-
-        fgSplashProgress("initializing graphics engine");
-
+        fgSplashProgress("finalize-position");
     } else if ( idle_state == 900 ) {
         idle_state = 1000;
         
@@ -339,6 +307,9 @@ static void fgIdleFunction ( void ) {
 
         globals->get_renderer()->resize( fgGetInt("/sim/startup/xsize"),
                                          fgGetInt("/sim/startup/ysize") );
+        WindowSystemAdapter::getWSA()->windows[0]->gc->add(
+          new simgear::canvas::VGInitOperation()
+        );
 
         int session = fgGetInt("/sim/session",0);
         session++;
@@ -349,10 +320,22 @@ static void fgIdleFunction ( void ) {
         // We've finished all our initialization steps, from now on we
         // run the main loop.
         fgSetBool("sim/sceneryloaded", false);
-        fgRegisterIdleHandler( fgMainLoop );
+        registerMainLoop();
     }
+    
+    if ( idle_state == 2000 ) {
+        fgStartNewReset();
+        idle_state = 2005;
+    }
+}
+
+void fgResetIdleState()
+{
+    idle_state = 2000;
+    fgRegisterIdleHandler( &fgIdleFunction );
 }
 
+
 static void upper_case_property(const char *name)
 {
     using namespace simgear;
@@ -367,17 +350,70 @@ static void upper_case_property(const char *name)
         else
             assert(t == props::STRING);
     }
-    p->addChangeListener(new FGMakeUpperCase);
+    SGPropertyChangeListener* muc = new FGMakeUpperCase;
+    globals->addListenerToCleanup(muc);
+    p->addChangeListener(muc);
 }
 
+// see http://code.google.com/p/flightgear-bugs/issues/detail?id=385
+// for the details of this.
+static void ATIScreenSizeHack()
+{
+    osg::ref_ptr<osg::Camera> hackCam = new osg::Camera;
+    hackCam->setRenderOrder(osg::Camera::PRE_RENDER);
+    int prettyMuchAnyInt = 1;
+    hackCam->setViewport(0, 0, prettyMuchAnyInt, prettyMuchAnyInt);
+    globals->get_renderer()->addCamera(hackCam, false);
+}
 
-// Main top level initialization
-int fgMainInit( int argc, char **argv ) {
+// Propose NVIDIA Optimus to use high-end GPU
+#if defined(SG_WINDOWS)
+extern "C" {
+    _declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
+}
+#endif
 
+static void logToFile()
+{
+    SGPath logPath = globals->get_fg_home();
+    logPath.append("fgfs.log");
+    if (logPath.exists()) {
+        SGPath prevLogPath = globals->get_fg_home();
+        prevLogPath.append("fgfs_0.log");
+        logPath.rename(prevLogPath);
+        // bit strange, we need to restore the correct value of logPath now
+        logPath = globals->get_fg_home();
+        logPath.append("fgfs.log");
+    }
+    sglog().logToFile(logPath, SG_ALL, SG_INFO);
+
+#if defined(HAVE_CRASHRPT)
+	if (global_crashRptEnabled) {
+		crAddFile2(logPath.c_str(), NULL, "FlightGear Log File", CR_AF_MAKE_FILE_COPY);
+		SG_LOG( SG_GENERAL, SG_INFO, "CrashRpt enabled");
+	} else {
+		SG_LOG(SG_GENERAL, SG_WARN, "CrashRpt enabled at compile time but failed to install");
+	}
+#endif
+}
+
+// Main top level initialization
+int fgMainInit( int argc, char **argv )
+{
     // set default log levels
     sglog().setLogLevels( SG_ALL, SG_ALERT );
 
-    string version;
+    globals = new FGGlobals;
+    if (!fgInitHome()) {
+        return EXIT_FAILURE;
+    }
+    
+    if (!fgGetBool("/sim/fghome-readonly")) {
+        // now home is initialised, we can log to a file inside it
+        logToFile();
+    }
+    
+    std::string version;
 #ifdef FLIGHTGEAR_VERSION
     version = FLIGHTGEAR_VERSION;
 #else
@@ -385,19 +421,13 @@ int fgMainInit( int argc, char **argv ) {
 #endif
     SG_LOG( SG_GENERAL, SG_INFO, "FlightGear:  Version "
             << version );
-    SG_LOG( SG_GENERAL, SG_INFO, "Built with " << SG_COMPILER_STR << std::endl );
-
-    // Allocate global data structures.  This needs to happen before
-    // we parse command line options
-
-    globals = new FGGlobals;
+    SG_LOG( SG_GENERAL, SG_INFO, "Built with " << SG_COMPILER_STR);
+	SG_LOG( SG_GENERAL, SG_INFO, "Jenkins number/ID " << HUDSON_BUILD_NUMBER << ":"
+			<< HUDSON_BUILD_ID);
 
     // seed the random number generator
     sg_srandom_time();
 
-    FGControls *controls = new FGControls;
-    globals->set_controls( controls );
-
     string_list *col = new string_list;
     globals->set_channel_options_list( col );
 
@@ -410,11 +440,44 @@ int fgMainInit( int argc, char **argv ) {
     // Load the configuration parameters.  (Command line options
     // override config file options.  Config file options override
     // defaults.)
-    if ( !fgInitConfig(argc, argv) ) {
-      SG_LOG( SG_GENERAL, SG_ALERT, "Config option parsing failed ..." );
-      exit(-1);
+    int configResult = fgInitConfig(argc, argv, false);
+    if (configResult == flightgear::FG_OPTIONS_ERROR) {
+        return EXIT_FAILURE;
+    } else if (configResult == flightgear::FG_OPTIONS_EXIT) {
+        return EXIT_SUCCESS;
     }
 
+  // launcher needs to know the aircraft paths in use
+    fgInitAircraftPaths(false);
+
+#if defined(HAVE_QT)
+    bool showLauncher = flightgear::Options::checkForArg(argc, argv, "launcher");
+    // an Info.plist bundle can't define command line arguments, but it can set
+    // environment variables. This avoids needed a wrapper shell-script on OS-X.
+    showLauncher |= (::getenv("FG_LAUNCHER") != 0);
+
+    if (showLauncher) {
+        QtLauncher::initApp(argc, argv);
+        if (!QtLauncher::runLauncherDialog()) {
+            return EXIT_SUCCESS;
+        }
+    }
+#endif
+
+    configResult = fgInitAircraft(false);
+    if (configResult == flightgear::FG_OPTIONS_ERROR) {
+        return EXIT_FAILURE;
+    } else if (configResult == flightgear::FG_OPTIONS_EXIT) {
+        return EXIT_SUCCESS;
+    }
+    
+    configResult = flightgear::Options::sharedInstance()->processOptions();
+    if (configResult == flightgear::FG_OPTIONS_ERROR) {
+        return EXIT_FAILURE;
+    } else if (configResult == flightgear::FG_OPTIONS_EXIT) {
+        return EXIT_SUCCESS;
+    }
+    
     // Initialize the Window/Graphics environment.
     fgOSInit(&argc, argv);
     _bootstrap_OSInit++;
@@ -426,13 +489,28 @@ int fgMainInit( int argc, char **argv ) {
 
     // Clouds3D requires an alpha channel
     fgOSOpenWindow(true /* request stencil buffer */);
-
+    fgOSResetProperties();
+    
     // Initialize the splash screen right away
     fntInit();
     fgSplashInit();
 
+    if (fgGetBool("/sim/ati-viewport-hack", true)) {
+        SG_LOG(SG_GENERAL, SG_ALERT, "Enabling ATI viewport hack");
+        ATIScreenSizeHack();
+    }
+    
+    fgOutputSettings();
+    
+    //try to disable the screensaver
+    fgOSDisableScreensaver();
+    
     // pass control off to the master event handler
     int result = fgOSMainLoop();
+    frame_signal.clear();
+    fgOSCloseWindow();
+    
+    simgear::clearEffectCache();
     
     // clean up here; ensure we null globals to avoid
     // confusing the atexit() handler
@@ -442,6 +520,9 @@ int fgMainInit( int argc, char **argv ) {
     // delete the NavCache here. This will cause the destruction of many cached
     // objects (eg, airports, navaids, runways).
     delete flightgear::NavDataCache::instance();
+    simgear::GroundLightManager::instance()->getRunwayLightStateSet()->clear();
+    simgear::GroundLightManager::instance()->getTaxiLightStateSet()->clear();
+    simgear::GroundLightManager::instance()->getGroundLightStateSet()->clear();
   
     return result;
 }