]> git.mxchange.org Git - flightgear.git/blobdiff - src/Main/globals.cxx
Reset: Clear the pager queues, preserve properties.
[flightgear.git] / src / Main / globals.cxx
index 51f202b4960d72f2785ed5498c32a2478f8a8c4f..c083f326f965b631906ea49f8a280c3571a8e8ca 100644 (file)
@@ -39,6 +39,7 @@
 #include <simgear/misc/ResourceManager.hxx>
 #include <simgear/props/propertyObject.hxx>
 #include <simgear/props/props_io.hxx>
+#include <simgear/scene/model/modellib.hxx>
 
 #include <Aircraft/controls.hxx>
 #include <Airports/runways.hxx>
@@ -52,6 +53,7 @@
 #include <Navaids/navlist.hxx>
 #include <Viewer/renderer.hxx>
 #include <Viewer/viewmgr.hxx>
+#include <Sound/sample_queue.hxx>
 
 #include "globals.hxx"
 #include "locale.hxx"
@@ -85,7 +87,6 @@ public:
         }
         
         if (r.exists()) {
-          SG_LOG(SG_IO, SG_DEBUG, "found path:" << aResource << " via /sim/aircraft-dir: " << r.str());
           return r;
         }
     }
@@ -97,7 +98,6 @@ public:
     for (; it != dirs.end(); ++it) {
       SGPath p(*it, res);
       if (p.exists()) {
-        SG_LOG(SG_IO, SG_DEBUG, "found path:" << aResource << " in aircraft dir: " << *it);
         return p;
       }
     } // of aircraft path iteration
@@ -128,14 +128,12 @@ public:
 ////////////////////////////////////////////////////////////////////////
 
 // global global :-)
-FGGlobals *globals;
+FGGlobals *globals = NULL;
 
 
 // Constructor
 FGGlobals::FGGlobals() :
-    props( new SGPropertyNode ),
     initial_state( NULL ),
-    locale( new FGLocale(props) ),
     renderer( new FGRenderer ),
     subsystem_mgr( new SGSubsystemMgr ),
     event_mgr( new SGEventMgr ),
@@ -152,27 +150,36 @@ FGGlobals::FGGlobals() :
     commands( SGCommandMgr::instance() ),
     channel_options_list( NULL ),
     initial_waypoints( NULL ),
-    scenery( NULL ),
-    tile_mgr( NULL ),
     fontcache ( new FGFontCache ),
     channellist( NULL ),
-    haveUserSettings(false)
+    haveUserSettings(false),
+    _chatter_queue(NULL)
 {
-  simgear::ResourceManager::instance()->addProvider(new AircraftResourceProvider);
-  simgear::ResourceManager::instance()->addProvider(new CurrentAircraftDirProvider);
-  simgear::PropertyObjectBase::setDefaultRoot(props);
-  
-  positionLon = props->getNode("position/longitude-deg", true);
-  positionLat = props->getNode("position/latitude-deg", true);
-  positionAlt = props->getNode("position/altitude-ft", true);
-  
-  viewLon = props->getNode("sim/current-view/viewer-lon-deg", true);
-  viewLat = props->getNode("sim/current-view/viewer-lat-deg", true);
-  viewAlt = props->getNode("sim/current-view/viewer-elev-ft", true);
-  
-  orientPitch = props->getNode("orientation/pitch-deg", true);
-  orientHeading = props->getNode("orientation/heading-deg", true);
-  orientRoll = props->getNode("orientation/roll-deg", true);
+    SGPropertyNode* root = new SGPropertyNode;
+    props = SGPropertyNode_ptr(root);
+    locale = new FGLocale(props);
+    
+    simgear::ResourceManager::instance()->addProvider(new AircraftResourceProvider);
+    simgear::ResourceManager::instance()->addProvider(new CurrentAircraftDirProvider);
+    initProperties();
+}
+
+void FGGlobals::initProperties()
+{
+    simgear::PropertyObjectBase::setDefaultRoot(props);
+    
+    positionLon = props->getNode("position/longitude-deg", true);
+    positionLat = props->getNode("position/latitude-deg", true);
+    positionAlt = props->getNode("position/altitude-ft", true);
+    
+    viewLon = props->getNode("sim/current-view/viewer-lon-deg", true);
+    viewLat = props->getNode("sim/current-view/viewer-lat-deg", true);
+    viewAlt = props->getNode("sim/current-view/viewer-elev-ft", true);
+    
+    orientPitch = props->getNode("orientation/pitch-deg", true);
+    orientHeading = props->getNode("orientation/heading-deg", true);
+    orientRoll = props->getNode("orientation/roll-deg", true);
+
 }
 
 // Destructor
@@ -187,36 +194,49 @@ FGGlobals::~FGGlobals()
     // deallocation of AIModel objects. To ensure we can safely
     // shut down all subsystems, make sure we take down the 
     // AIModels system first.
-    SGSubsystem* ai = subsystem_mgr->remove("ai-model");
+    SGSubsystemRef ai = subsystem_mgr->get_subsystem("ai-model");
     if (ai) {
+        subsystem_mgr->remove("ai-model");
         ai->unbind();
-        delete ai;
+        ai.clear(); // ensure AI is deleted now, not at end of this method
     }
-    SGSubsystem* sound = subsystem_mgr->remove("sound");
-
-    subsystem_mgr->shutdown();
-    subsystem_mgr->unbind();
-    delete subsystem_mgr;
     
-    delete renderer;
-    renderer = NULL;
+    subsystem_mgr->shutdown();
+    subsystem_mgr->unbind();    
+
+    subsystem_mgr->remove("aircraft-model");
+    subsystem_mgr->remove("tile-manager");
+    subsystem_mgr->remove("model-manager");
+    _tile_mgr.clear();
+
+    // renderer touches subsystems during its destruction
+    set_renderer(NULL);
+    _scenery.clear();
+    _chatter_queue.clear();
     
+    delete subsystem_mgr;
+    subsystem_mgr = NULL; // important so ::get_subsystem returns NULL 
+
     delete time_params;
-    delete matlib;
+    set_matlib(NULL);
     delete route_mgr;
-
     delete ATIS_mgr;
-
     delete channel_options_list;
     delete initial_waypoints;
-    delete scenery;
     delete fontcache;
-
     delete channellist;
-    delete sound;
 
+    simgear::PropertyObjectBase::setDefaultRoot(NULL);
+    simgear::SGModelLib::resetPropertyRoot();
+    
     delete locale;
     locale = NULL;
+    
+    cleanupListeners();
+    
+    props.clear();
+    
+    delete commands;
 }
 
 // set the fg_root path
@@ -405,6 +425,16 @@ FGGlobals::get_renderer () const
    return renderer;
 }
 
+void FGGlobals::set_renderer(FGRenderer *render)
+{
+    if (render == renderer) {
+        return;
+    }
+    
+    delete renderer;
+    renderer = render;
+}
+
 SGSubsystemMgr *
 FGGlobals::get_subsystem_mgr () const
 {
@@ -414,6 +444,10 @@ FGGlobals::get_subsystem_mgr () const
 SGSubsystem *
 FGGlobals::get_subsystem (const char * name)
 {
+    if (!subsystem_mgr) {
+        return NULL;
+    }
+    
     return subsystem_mgr->get_subsystem(name);
 }
 
@@ -476,6 +510,55 @@ FGGlobals::get_view_position_cart() const
   return SGVec3d::fromGeod(get_view_position());
 }
 
+static void treeDumpRefCounts(int depth, SGPropertyNode* nd)
+{
+    for (int i=0; i<nd->nChildren(); ++i) {
+        SGPropertyNode* cp = nd->getChild(i);
+        if (SGReferenced::count(cp) > 1) {
+            SG_LOG(SG_GENERAL, SG_INFO, "\t" << cp->getPath() << " refcount:" << SGReferenced::count(cp));
+        }
+        
+        treeDumpRefCounts(depth + 1, cp);
+    }
+}
+
+void
+FGGlobals::resetPropertyRoot()
+{
+    delete locale;
+    
+    cleanupListeners();
+    
+    // we don't strictly need to clear these (they will be reset when we
+    // initProperties again), but trying to reduce false-positives when dumping
+    // ref-counts.
+    positionLon.clear();
+    positionLat.clear();
+    positionAlt.clear();
+    viewLon.clear();
+    viewLat.clear();
+    viewAlt.clear();
+    orientPitch.clear();
+    orientHeading.clear();
+    orientRoll.clear();
+    
+    SG_LOG(SG_GENERAL, SG_INFO, "root props refcount:" << props.getNumRefs());
+    treeDumpRefCounts(0, props);
+
+    //BaseStackSnapshot::dumpAll(std::cout);
+    
+    props = new SGPropertyNode;
+    initProperties();
+    locale = new FGLocale(props);
+    
+    // remove /sim/fg-root before writing to prevent hijacking
+    SGPropertyNode *n = props->getNode("/sim", true);
+    n->removeChild("fg-root", 0, false);
+    n = n->getChild("fg-root", 0, true);
+    n->setStringValue(fg_root.c_str());
+    n->setAttribute(SGPropertyNode::WRITE, false);
+}
+
 // Save the current state as the initial state.
 void
 FGGlobals::saveInitialState ()
@@ -608,4 +691,55 @@ void FGGlobals::set_warp_delta( long int d )
   fgSetInt("/sim/time/warp-delta", d);
 }
 
+FGScenery* FGGlobals::get_scenery () const
+{
+    return _scenery.get();
+}
+
+void FGGlobals::set_scenery ( FGScenery *s )
+{
+    _scenery = s;
+}
+
+FGTileMgr* FGGlobals::get_tile_mgr () const
+{
+    return _tile_mgr.get();
+}
+
+void FGGlobals::set_tile_mgr ( FGTileMgr *t )
+{
+    _tile_mgr = t;
+}
+
+void FGGlobals::set_matlib( SGMaterialLib *m )
+{
+    if (matlib)
+        delete matlib;
+    matlib = m;
+}
+
+FGSampleQueue* FGGlobals::get_chatter_queue() const
+{
+    return _chatter_queue;
+}
+
+void FGGlobals::set_chatter_queue(FGSampleQueue* queue)
+{
+    _chatter_queue = queue;
+}
+
+void FGGlobals::addListenerToCleanup(SGPropertyChangeListener* l)
+{
+    _listeners_to_cleanup.push_back(l);
+}
+
+void FGGlobals::cleanupListeners()
+{
+    SGPropertyChangeListenerVec::iterator i = _listeners_to_cleanup.begin();
+    for (; i != _listeners_to_cleanup.end(); ++i) {
+        delete *i;
+    }
+    _listeners_to_cleanup.clear();
+}
+
 // end of globals.cxx