5 #include "trackchain.h"
6 #include "trainrouteplanner.h"
7 #include "trainrouter.h"
14 TrainRouter::TrainRouter(Train &t):
21 train.get_layout().signal_block_reserved.connect(sigc::mem_fun(this, &TrainRouter::block_reserved));
22 train.signal_advanced.connect(sigc::mem_fun(this, &TrainRouter::train_advanced));
25 void TrainRouter::set_priority(int p)
30 bool TrainRouter::set_route(const Route *r)
32 BlockIter fncb = train.get_first_noncritical_block();
35 if(r && train.is_placed())
37 const BlockAllocator &allocator = train.get_block_allocator();
38 TrackIter first = allocator.first().track_iter();
39 TrackIter next = fncb.track_iter();
40 if(!r->has_track(*next))
42 lead = Route::find(next, *r);
45 create_lead_route(lead, lead);
47 else if(!r->has_track(*first))
48 lead = create_lead_route(0, r);
53 routes.push_back(lead);
59 /* TODO destination should also be cleared when manually setting a different
60 route, but not when the planner calls this. */
67 train.refresh_blocks_from(*fncb);
69 const Route *route = get_route();
70 signal_route_changed.emit(route);
71 signal_event.emit(Message("route-changed", route));
76 void TrainRouter::add_wait(Block &block, Train *tr)
81 waits.push_back(wait);
84 const Route *TrainRouter::get_route() const
88 return routes.front();
91 void TrainRouter::set_destination(const TrackChain &d)
94 update_pending = true;
97 bool TrainRouter::is_destination(Track &track) const
100 return destination->has_track(track);
105 void TrainRouter::add_waypoint(const TrackChain &wp)
107 waypoints.push_back(&wp);
108 update_pending = true;
111 bool TrainRouter::is_waypoint(unsigned index, Track &track) const
113 if(index>=waypoints.size())
114 throw out_of_range("TrainRouter::is_waypoint");
116 return waypoints[index]->has_track(track);
119 void TrainRouter::set_departure_delay(const Time::TimeDelta &d)
122 update_pending = true;
125 void TrainRouter::message(const Message &msg)
127 if(msg.type=="set-route")
129 if(msg.value.check_type<Route *>())
130 set_route(msg.value.value<Route *>());
132 set_route(msg.value.value<const Route *>());
134 else if(msg.type=="clear-route")
136 else if(msg.type=="set-destination")
138 if(msg.value.check_type<TrackChain *>())
139 set_destination(*msg.value.value<TrackChain *>());
141 set_destination(*msg.value.value<const TrackChain *>());
143 else if(msg.type=="add-waypoint")
145 if(msg.value.check_type<TrackChain *>())
146 add_waypoint(*msg.value.value<TrackChain *>());
148 add_waypoint(*msg.value.value<const TrackChain *>());
150 else if(msg.type=="set-departure-delay")
151 set_departure_delay(msg.value.value<Time::TimeDelta>());
154 void TrainRouter::tick(const Time::TimeDelta &dt)
159 if(delay<=Time::zero)
164 create_plans(train.get_layout());
166 if(arriving==1 && !train.get_speed())
168 signal_arrived.emit(destination);
169 signal_event.emit(Message("arrived", destination));
172 else if(arriving==2 && !train.get_block_allocator().is_active())
176 void TrainRouter::save(list<DataFile::Statement> &st) const
178 st.push_back((DataFile::Statement("priority"), priority));
182 RouteList::const_iterator i = routes.begin();
183 for(; (i!=routes.end() && (*i)->is_temporary()); ++i) ;
185 st.push_back((DataFile::Statement("route"), (*i)->get_name()));
189 void TrainRouter::block_reserved(Block &block, Train *t)
193 if(!waits.empty() && waits.front().block==&block)
201 BlockIter b_iter = t->get_block_allocator().iter_for(block);
203 RouteList::iterator route = routes.begin();
204 if(advance_route(route, block))
206 // Check if the block is a turnout and set it to proper path
207 if(unsigned taddr = block.get_turnout_address())
209 int path = (*route)->get_turnout(taddr);
211 b_iter.track_iter()->set_active_path(path);
214 // Check if the next block is still part of the designated route
215 BlockIter b_iter_next = b_iter.next(*route);
217 RouteList::iterator next_route = route;
218 if(!advance_route(next_route, *b_iter_next))
220 train.stop_at(&block);
224 if(!waits.empty() && waits.front().block==b_iter_next.block())
225 train.stop_at(&block);
229 void TrainRouter::train_advanced(Block &block)
231 BlockIter b_iter = train.get_block_allocator().iter_for(block);
233 // Check if we've reached the next route
236 const Route &route = **++routes.begin();
237 if(route.has_track(*b_iter.endpoint().track))
240 const Route *r = get_route();
242 signal_route_changed.emit(r);
243 signal_event.emit(Message("route-changed", r));
247 if(!waypoints.empty())
249 const TrackChain &wp = *waypoints.front();
250 TrackIter t_iter = b_iter.track_iter();
251 if(wp.has_track(*t_iter))
253 for(; t_iter; t_iter=t_iter.next())
255 if(!wp.has_track(*t_iter))
257 waypoints.erase(waypoints.begin());
258 signal_waypoint_reached.emit(&wp);
259 signal_event.emit(Message("waypoint-reached", &wp));
262 else if(!block.has_track(*t_iter))
270 b_iter = b_iter.next();
271 if(b_iter && !is_on_route(*b_iter))
276 const Route *TrainRouter::get_route_for_block(const Block &block) const
278 const set<Track *> &tracks = block.get_tracks();
279 for(RouteList::const_iterator i=routes.begin(); i!=routes.end(); ++i)
280 for(set<Track *>::const_iterator j=tracks.begin(); j!=tracks.end(); ++j)
281 if((*i)->has_track(**j))
287 Route *TrainRouter::create_lead_route(Route *lead, const Route *target)
291 lead = new Route(train.get_layout());
292 lead->set_name("Lead");
293 lead->set_temporary(true);
297 for(BlockIter i=train.get_block_allocator().first(); (i && i->get_train()==&train); i=i.next())
299 const set<Track *> &btracks = i->get_tracks();
300 for(set<Track *>::const_iterator j=btracks.begin(); j!=btracks.end(); ++j)
301 if(!target || !target->has_track(**j))
305 lead->add_tracks(tracks);
310 bool TrainRouter::advance_route(RouteList::iterator &iter, const Block &block)
312 const set<Track *> &tracks = block.get_tracks();
313 for(; iter!=routes.end(); ++iter)
314 for(set<Track *>::const_iterator j=tracks.begin(); j!=tracks.end(); ++j)
315 if((*iter)->has_track(**j))
321 bool TrainRouter::is_on_route(const Block &block)
323 RouteList::iterator iter = routes.begin();
324 return advance_route(iter, block);
327 void TrainRouter::create_plans(Layout &layout)
329 TrainRoutePlanner planner(layout);
332 const map<unsigned, Train *> &trains = layout.get_trains();
333 for(map<unsigned, Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
334 if(TrainRouter *router = i->second->get_ai_of_type<TrainRouter>())
335 router->update_pending = false;
339 TrainRouter::Wait::Wait():
345 TrainRouter::Loader::Loader(TrainRouter &r):
346 DataFile::ObjectLoader<TrainRouter>(r)
348 add("priority", &TrainRouter::priority);
349 add("route", &Loader::route);
352 void TrainRouter::Loader::route(const string &n)
354 obj.set_route(&obj.train.get_layout().get_route(n));