+ ItemMap::iterator i = items.find(name);
+ if(i!=items.end())
+ return i->second;
+
+ if(type)
+ {
+ bool loaded = false;
+ if(type->can_create())
+ {
+ type->create_item(*this, name);
+ loaded = items.count(name);
+ }
+ for(SourceList::iterator j=sources.begin(); (!loaded && j!=sources.end()); ++j)