+ 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();
+
+ // clear aliases so ref-counts are accurate when dumped
+ treeClearAliases(props);
+
+ 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);
+ n = n->getChild("fg-root", 0, true);
+ n->setStringValue(fg_root.c_str());
+ n->setAttribute(SGPropertyNode::WRITE, false);
+}
+
+static std::string autosaveName()
+{
+ std::ostringstream os;
+ string_list versionParts = simgear::strutils::split(VERSION, ".");
+ if (versionParts.size() < 2) {
+ return "autosave.xml";
+ }
+
+ os << "autosave_" << versionParts[0] << "_" << versionParts[1] << ".xml";
+ return os.str();
+}
+
+// Load user settings from autosave.xml
+void
+FGGlobals::loadUserSettings(const SGPath& dataPath)
+{
+ // remember that we have (tried) to load any existing autsave.xml
+ haveUserSettings = true;
+
+ SGPath autosaveFile = simgear::Dir(dataPath).file(autosaveName());
+ SGPropertyNode autosave;
+ if (autosaveFile.exists()) {
+ SG_LOG(SG_INPUT, SG_INFO, "Reading user settings from " << autosaveFile.str());
+ try {
+ readProperties(autosaveFile.str(), &autosave, SGPropertyNode::USERARCHIVE);
+ } catch (sg_exception& e) {
+ SG_LOG(SG_INPUT, SG_WARN, "failed to read user settings:" << e.getMessage()
+ << "(from " << e.getOrigin() << ")");
+ }
+ }
+ copyProperties(&autosave, globals->get_props());
+}
+
+// Save user settings in autosave.xml
+void
+FGGlobals::saveUserSettings()
+{
+ // only save settings when we have (tried) to load the previous
+ // settings (otherwise user data was lost)
+ if (!haveUserSettings)
+ return;
+
+ if (fgGetBool("/sim/startup/save-on-exit")) {
+ // don't save settings more than once on shutdown
+ haveUserSettings = false;
+
+ SGPath autosaveFile(globals->get_fg_home());
+ autosaveFile.append(autosaveName());
+ autosaveFile.create_dir( 0700 );
+ SG_LOG(SG_IO, SG_INFO, "Saving user settings to " << autosaveFile.str());
+ try {
+ writeProperties(autosaveFile.str(), globals->get_props(), false, SGPropertyNode::USERARCHIVE);
+ } catch (const sg_exception &e) {
+ guiErrorMessage("Error writing autosave:", e);
+ }
+ SG_LOG(SG_INPUT, SG_DEBUG, "Finished Saving user settings");
+ }