5 #include "trackchain.h"
6 #include "trainroutemetric.h"
7 #include "trainrouteplanner.h"
8 #include "trainrouter.h"
15 TrainRouter::TrainRouter(Train &t):
22 train.get_layout().signal_block_reserved.connect(sigc::mem_fun(this, &TrainRouter::block_reserved));
23 train.signal_advanced.connect(sigc::mem_fun(this, &TrainRouter::train_advanced));
26 TrainRouter::~TrainRouter()
28 for(vector<TrainRouteMetric *>::iterator i=metrics.begin(); i!=metrics.end(); ++i)
32 void TrainRouter::set_priority(int p)
37 bool TrainRouter::set_route(const Route *r)
39 BlockIter fncb = train.get_first_noncritical_block();
42 if(r && train.is_placed())
44 const BlockAllocator &allocator = train.get_block_allocator();
45 TrackIter first = allocator.first().track_iter();
46 TrackIter next = fncb.track_iter();
47 if(!r->has_track(*next))
49 lead = Route::find(next, *r);
52 create_lead_route(lead, lead);
54 else if(!r->has_track(*first))
55 lead = create_lead_route(0, r);
60 routes.push_back(lead);
66 /* TODO destination should also be cleared when manually setting a different
67 route, but not when the planner calls this. */
74 train.refresh_blocks_from(*fncb);
76 const Route *route = get_route();
77 signal_route_changed.emit(route);
78 signal_event.emit(Message("route-changed", route));
83 void TrainRouter::add_wait(Block &block, Train *tr)
88 waits.push_back(wait);
91 const Route *TrainRouter::get_route() const
95 return routes.front();
98 void TrainRouter::set_destination(const TrackChain &d)
101 update_pending = true;
104 bool TrainRouter::is_destination(Track &track) const
107 return destination->has_track(track);
112 void TrainRouter::add_waypoint(const TrackChain &wp)
114 waypoints.push_back(&wp);
115 update_pending = true;
118 bool TrainRouter::is_waypoint(unsigned index, Track &track) const
120 if(index>=waypoints.size())
121 throw out_of_range("TrainRouter::is_waypoint");
123 return waypoints[index]->has_track(track);
126 const TrainRouteMetric &TrainRouter::get_metric(int index) const
129 throw logic_error("no metrics");
130 else if(update_pending)
131 throw logic_error("metrics are stale");
134 return *metrics.front();
135 else if(static_cast<unsigned>(index)>=waypoints.size())
136 throw out_of_range("TrainRouter::get_metric");
138 return *metrics[index+1];
141 void TrainRouter::set_departure_delay(const Time::TimeDelta &d)
144 update_pending = true;
147 void TrainRouter::message(const Message &msg)
149 if(msg.type=="set-route")
151 if(msg.value.check_type<Route *>())
152 set_route(msg.value.value<Route *>());
154 set_route(msg.value.value<const Route *>());
156 else if(msg.type=="clear-route")
158 else if(msg.type=="set-destination")
160 if(msg.value.check_type<TrackChain *>())
161 set_destination(*msg.value.value<TrackChain *>());
163 set_destination(*msg.value.value<const TrackChain *>());
165 else if(msg.type=="add-waypoint")
167 if(msg.value.check_type<TrackChain *>())
168 add_waypoint(*msg.value.value<TrackChain *>());
170 add_waypoint(*msg.value.value<const TrackChain *>());
172 else if(msg.type=="set-departure-delay")
173 set_departure_delay(msg.value.value<Time::TimeDelta>());
176 void TrainRouter::tick(const Time::TimeDelta &dt)
181 if(delay<=Time::zero)
186 create_plans(train.get_layout());
188 if(arriving==1 && !train.get_speed())
190 signal_arrived.emit(destination);
191 signal_event.emit(Message("arrived", destination));
194 else if(arriving==2 && !train.get_block_allocator().is_active())
198 void TrainRouter::save(list<DataFile::Statement> &st) const
200 st.push_back((DataFile::Statement("priority"), priority));
204 RouteList::const_iterator i = routes.begin();
205 for(; (i!=routes.end() && (*i)->is_temporary()); ++i) ;
207 st.push_back((DataFile::Statement("route"), (*i)->get_name()));
211 void TrainRouter::block_reserved(Block &block, Train *t)
215 if(!waits.empty() && waits.front().block==&block)
223 BlockIter b_iter = t->get_block_allocator().iter_for(block);
225 RouteList::iterator route = routes.begin();
226 if(advance_route(route, block))
228 // Check if the block is a turnout and set it to proper path
229 if(unsigned taddr = block.get_turnout_address())
231 int path = (*route)->get_turnout(taddr);
233 b_iter.track_iter()->set_active_path(path);
236 // Check if the next block is still part of the designated route
237 BlockIter b_iter_next = b_iter.next(*route);
239 RouteList::iterator next_route = route;
240 if(!advance_route(next_route, *b_iter_next))
242 train.stop_at(&block);
246 if(!waits.empty() && waits.front().block==b_iter_next.block())
247 train.stop_at(&block);
251 void TrainRouter::train_advanced(Block &block)
253 BlockIter b_iter = train.get_block_allocator().iter_for(block);
255 // Check if we've reached the next route
258 const Route &route = **++routes.begin();
259 if(route.has_track(*b_iter.endpoint().track))
262 const Route *r = get_route();
264 signal_route_changed.emit(r);
265 signal_event.emit(Message("route-changed", r));
269 if(!waypoints.empty())
271 const TrackChain &wp = *waypoints.front();
272 TrackIter t_iter = b_iter.track_iter();
273 if(wp.has_track(*t_iter))
275 for(; t_iter; t_iter=t_iter.next())
277 if(!wp.has_track(*t_iter))
279 waypoints.erase(waypoints.begin());
280 signal_waypoint_reached.emit(&wp);
281 signal_event.emit(Message("waypoint-reached", &wp));
284 else if(!block.has_track(*t_iter))
292 b_iter = b_iter.next();
293 if(b_iter && !is_on_route(*b_iter))
298 const Route *TrainRouter::get_route_for_block(const Block &block) const
300 const set<Track *> &tracks = block.get_tracks();
301 for(RouteList::const_iterator i=routes.begin(); i!=routes.end(); ++i)
302 for(set<Track *>::const_iterator j=tracks.begin(); j!=tracks.end(); ++j)
303 if((*i)->has_track(**j))
309 void TrainRouter::create_metrics()
311 for(vector<TrainRouteMetric *>::iterator i=metrics.begin(); i!=metrics.end(); ++i)
318 metrics.push_back(new TrainRouteMetric(*destination));
319 for(vector<const TrackChain *>::const_iterator i=waypoints.begin(); i!=waypoints.end(); ++i)
320 metrics.push_back(new TrainRouteMetric(**i));
322 for(unsigned i=metrics.size(); --i>0; )
323 metrics[i]->chain_to(*metrics[(i+1)%metrics.size()]);
326 Route *TrainRouter::create_lead_route(Route *lead, const Route *target)
330 lead = new Route(train.get_layout());
331 lead->set_name("Lead");
332 lead->set_temporary(true);
336 for(BlockIter i=train.get_block_allocator().first(); (i && i->get_train()==&train); i=i.next())
338 const set<Track *> &btracks = i->get_tracks();
339 for(set<Track *>::const_iterator j=btracks.begin(); j!=btracks.end(); ++j)
340 if(!target || !target->has_track(**j))
344 lead->add_tracks(tracks);
349 bool TrainRouter::advance_route(RouteList::iterator &iter, const Block &block)
351 const set<Track *> &tracks = block.get_tracks();
352 for(; iter!=routes.end(); ++iter)
353 for(set<Track *>::const_iterator j=tracks.begin(); j!=tracks.end(); ++j)
354 if((*iter)->has_track(**j))
360 bool TrainRouter::is_on_route(const Block &block)
362 RouteList::iterator iter = routes.begin();
363 return advance_route(iter, block);
366 void TrainRouter::create_plans(Layout &layout)
368 const map<unsigned, Train *> &trains = layout.get_trains();
369 for(map<unsigned, Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
370 if(TrainRouter *router = i->second->get_ai_of_type<TrainRouter>())
372 if(router->update_pending)
373 router->create_metrics();
374 router->update_pending = false;
377 TrainRoutePlanner planner(layout);
382 TrainRouter::Wait::Wait():
388 TrainRouter::Loader::Loader(TrainRouter &r):
389 DataFile::ObjectLoader<TrainRouter>(r)
391 add("priority", &TrainRouter::priority);
392 add("route", &Loader::route);
395 void TrainRouter::Loader::route(const string &n)
397 obj.set_route(&obj.train.get_layout().get_route(n));