+ SG_LOG(SG_GENERAL, SG_WARN, "Warning: changing bad FG_ROOT/--fg-root to '"
+ << fg_root << '\'');
+ }
+
+ // remove /sim/fg-root before writing to prevent hijacking
+ SGPropertyNode *n = fgGetNode("/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);
+}
+
+void FGGlobals::set_fg_scenery (const string &scenery) {
+ SGPath s;
+ if (scenery.empty()) {
+ s.set( fg_root );
+ s.append( "Scenery" );
+ } else
+ s.set( scenery );
+
+ string_list path_list = sgPathSplit( s.str() );
+ fg_scenery.clear();
+
+ for (unsigned i = 0; i < path_list.size(); i++) {
+
+ ulDir *d = ulOpenDir( path_list[i].c_str() );
+ if (d == NULL)
+ continue;
+ ulCloseDir( d );
+
+ SGPath pt( path_list[i] ), po( path_list[i] );
+ pt.append("Terrain");
+ po.append("Objects");
+
+ ulDir *td = ulOpenDir( pt.c_str() );
+ ulDir *od = ulOpenDir( po.c_str() );
+
+ if (td == NULL && od == NULL)
+ fg_scenery.push_back( path_list[i] );
+ else {
+ if (td != NULL) {
+ fg_scenery.push_back( pt.str() );
+ ulCloseDir( td );
+ }
+ if (od != NULL) {
+ fg_scenery.push_back( po.str() );
+ ulCloseDir( od );
+ }