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. */
66 train.refresh_blocks_from(*fncb);
68 const Route *route = get_route();
69 signal_route_changed.emit(route);
70 signal_event.emit(Message("route-changed", route));
75 void TrainRouter::add_wait(Block &block, Train *tr)
80 waits.push_back(wait);
83 const Route *TrainRouter::get_route() const
87 return routes.front();
90 void TrainRouter::set_destination(const TrackChain &d)
93 update_pending = true;
96 bool TrainRouter::is_destination(Track &track) const
99 return destination->has_track(track);
104 void TrainRouter::set_departure_delay(const Time::TimeDelta &d)
107 update_pending = true;
110 void TrainRouter::message(const Message &msg)
112 if(msg.type=="set-route")
114 if(msg.value.check_type<Route *>())
115 set_route(msg.value.value<Route *>());
117 set_route(msg.value.value<const Route *>());
119 else if(msg.type=="clear-route")
121 else if(msg.type=="set-destination")
123 if(msg.value.check_type<TrackChain *>())
124 set_destination(*msg.value.value<TrackChain *>());
126 set_destination(*msg.value.value<const TrackChain *>());
128 else if(msg.type=="set-departure-delay")
129 set_departure_delay(msg.value.value<Time::TimeDelta>());
132 void TrainRouter::tick(const Time::TimeDelta &dt)
137 if(delay<=Time::zero)
142 create_plans(train.get_layout());
144 if(arriving==1 && !train.get_speed())
146 signal_arrived.emit();
147 signal_event.emit(Message("arrived"));
150 else if(arriving==2 && !train.get_block_allocator().is_active())
154 void TrainRouter::save(list<DataFile::Statement> &st) const
156 st.push_back((DataFile::Statement("priority"), priority));
160 RouteList::const_iterator i = routes.begin();
161 for(; (i!=routes.end() && (*i)->is_temporary()); ++i) ;
163 st.push_back((DataFile::Statement("route"), (*i)->get_name()));
167 void TrainRouter::block_reserved(Block &block, Train *t)
171 if(!waits.empty() && waits.front().block==&block)
179 BlockIter b_iter = t->get_block_allocator().iter_for(block);
181 RouteList::iterator route = routes.begin();
182 if(advance_route(route, block))
184 // Check if the block is a turnout and set it to proper path
185 if(unsigned taddr = block.get_turnout_address())
187 int path = (*route)->get_turnout(taddr);
189 b_iter.track_iter()->set_active_path(path);
192 // Check if the next block is still part of the designated route
193 BlockIter b_iter_next = b_iter.next(*route);
195 RouteList::iterator next_route = route;
196 if(!advance_route(next_route, *b_iter_next))
198 train.stop_at(&block);
202 if(!waits.empty() && waits.front().block==b_iter_next.block())
203 train.stop_at(&block);
207 void TrainRouter::train_advanced(Block &block)
209 BlockIter b_iter = train.get_block_allocator().iter_for(block);
211 // Check if we've reached the next route
214 const Route &route = **++routes.begin();
215 if(route.has_track(*b_iter.endpoint().track))
219 signal_event.emit(Message("route-changed", get_route()));
225 b_iter = b_iter.next();
226 if(b_iter && !is_on_route(*b_iter))
231 const Route *TrainRouter::get_route_for_block(const Block &block) const
233 const set<Track *> &tracks = block.get_tracks();
234 for(RouteList::const_iterator i=routes.begin(); i!=routes.end(); ++i)
235 for(set<Track *>::const_iterator j=tracks.begin(); j!=tracks.end(); ++j)
236 if((*i)->has_track(**j))
242 Route *TrainRouter::create_lead_route(Route *lead, const Route *target)
246 lead = new Route(train.get_layout());
247 lead->set_name("Lead");
248 lead->set_temporary(true);
252 for(BlockIter i=train.get_block_allocator().first(); (i && i->get_train()==&train); i=i.next())
254 const set<Track *> &btracks = i->get_tracks();
255 for(set<Track *>::const_iterator j=btracks.begin(); j!=btracks.end(); ++j)
256 if(!target || !target->has_track(**j))
260 lead->add_tracks(tracks);
265 bool TrainRouter::advance_route(RouteList::iterator &iter, const Block &block)
267 const set<Track *> &tracks = block.get_tracks();
268 for(; iter!=routes.end(); ++iter)
269 for(set<Track *>::const_iterator j=tracks.begin(); j!=tracks.end(); ++j)
270 if((*iter)->has_track(**j))
276 bool TrainRouter::is_on_route(const Block &block)
278 RouteList::iterator iter = routes.begin();
279 return advance_route(iter, block);
282 void TrainRouter::create_plans(Layout &layout)
284 TrainRoutePlanner planner(layout);
287 const map<unsigned, Train *> &trains = layout.get_trains();
288 for(map<unsigned, Train *>::const_iterator i=trains.begin(); i!=trains.end(); ++i)
289 if(TrainRouter *router = i->second->get_ai_of_type<TrainRouter>())
290 router->update_pending = false;
294 TrainRouter::Wait::Wait():
300 TrainRouter::Loader::Loader(TrainRouter &r):
301 DataFile::ObjectLoader<TrainRouter>(r)
303 add("priority", &TrainRouter::priority);
304 add("route", &Loader::route);
307 void TrainRouter::Loader::route(const string &n)
309 obj.set_route(&obj.train.get_layout().get_route(n));