+ for(vector<TrainRouter *>::const_iterator i=routers.begin(); i!=routers.end(); ++i)
+ if((*i)->metrics_stale)
+ (*i)->create_metrics();
+
+ RefPtr<TrainRoutePlanner> planner = new TrainRoutePlanner(layout);
+ for(vector<TrainRouter *>::const_iterator i=routers.begin(); i!=routers.end(); ++i)
+ {
+ (*i)->waypoints_changed = false;
+ (*i)->planner = planner;
+ }
+
+ planner->plan_async();
+}
+
+void TrainRouter::apply_plan(Layout &layout, TrainRoutePlanner &planner)
+{
+ vector<TrainRouter *> routers;
+ get_routers(layout, routers);
+
+ for(vector<TrainRouter *>::const_iterator i=routers.begin(); i!=routers.end(); ++i)
+ if((*i)->planner.get()==&planner)
+ {
+ (*i)->use_planned_route();
+ (*i)->planner = 0;
+ }
+}
+
+
+TrainRouter::SequencePoint::SequencePoint(Block &b, unsigned o):
+ block(&b),
+ preceding_train(0),
+ sequence_in(0),
+ sequence_out(o)