- const set<Track *> &btracks = i->get_tracks();
- for(set<Track *>::const_iterator j=btracks.begin(); j!=btracks.end(); ++j)
- if(!target || !target->has_track(**j))
- tracks.insert(*j);
+ if(i->get_block().get_train()!=&train)
+ break;
+ if(target)
+ {
+ if(target->has_track(*i))
+ target_reached = true;
+ else if(target_reached)
+ break;
+ }
+ lead->add_track(*i);