3 This file is part of the MSP Märklin suite
4 Copyright © 2006-2009 Mikkosoft Productions, Mikko Rasa
5 Distributed under the GPL
9 #include <msp/strings/formatter.h>
10 #include <msp/time/units.h>
11 #include <msp/time/utils.h>
14 #include "tracktype.h"
15 #include "trafficmanager.h"
25 Train::Train(TrafficManager &tm, Locomotive &l):
34 speed_scale_weight(0),
37 trfc_mgr.add_train(this);
39 loco.signal_reverse_changed.connect(sigc::mem_fun(this, &Train::locomotive_reverse_changed));
41 const map<unsigned, Sensor *> &sensors = trfc_mgr.get_control().get_sensors();
42 for(map<unsigned, Sensor *>::const_iterator i=sensors.begin(); i!=sensors.end(); ++i)
43 i->second->signal_state_changed.connect(sigc::bind(sigc::mem_fun(this, &Train::sensor_event), i->second));
45 const map<unsigned, Turnout *> &turnouts = trfc_mgr.get_control().get_turnouts();
46 for(map<unsigned, Turnout *>::const_iterator i=turnouts.begin(); i!=turnouts.end(); ++i)
48 i->second->signal_route_changing.connect(sigc::bind(sigc::mem_fun(this, &Train::turnout_route_changing), i->second));
49 i->second->signal_route_changed.connect(sigc::bind(sigc::mem_fun(this, &Train::turnout_route_changed), i->second));
53 void Train::set_name(const string &n)
57 signal_name_changed.emit(name);
60 void Train::set_speed(unsigned speed)
62 if(!target_speed && speed)
63 travel_speed = static_cast<int>(round(speed*speed_scale*87*3.6/5))*5;
68 // XXX We might roll onto a new sensor and get confused - should delay freeing blocks a bit
69 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
80 void Train::set_reverse(bool rev)
82 loco.set_reverse(rev);
85 void Train::place(Block *block, unsigned entry)
87 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end();)
90 i = rsv_blocks.erase(i);
93 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end();)
96 i = cur_blocks.erase(i);
99 if(!block->reserve(this))
101 set_status("Unplaced");
105 cur_blocks.push_back(BlockRef(block, entry));
106 set_position(block->get_endpoints()[entry]);
108 set_status("Stopped");
111 bool Train::free_block(Block *block)
114 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
120 while(i!=rsv_blocks.end())
122 i->block->reserve(0);
123 i = rsv_blocks.erase(i);
128 else if(i->block->get_sensor_id())
135 void Train::tick(const Time::TimeStamp &t, const Time::TimeDelta &dt)
137 if(try_reserve && t>try_reserve)
146 if(cur_track->get_turnout_id())
147 route = trfc_mgr.get_control().get_turnout(cur_track->get_turnout_id()).get_route();
149 offset += speed_scale*loco.get_speed()*(dt/Time::sec);
150 if(offset>cur_track->get_type().get_route_length(route))
152 int out = cur_track->traverse(cur_track_ep, route);
155 Track *next = cur_track->get_link(out);
157 cur_track_ep = next->get_endpoint_by_link(*cur_track);
166 pos = cur_track->get_point(cur_track_ep, route, offset);
170 void Train::save(list<DataFile::Statement> &st) const
172 st.push_back((DataFile::Statement("name"), name));
173 st.push_back((DataFile::Statement("speed_scale"), speed_scale, speed_scale_weight));
176 void Train::locomotive_reverse_changed(bool)
178 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
179 i->block->reserve(0);
181 cur_blocks.reverse();
182 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
183 i->entry = i->block->traverse(i->entry);
188 void Train::sensor_event(bool state, Sensor *sensor)
190 unsigned addr = sensor->get_address();
194 list<BlockRef>::iterator i;
195 for(i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
196 if(i->block->get_sensor_id() && i->block->get_sensor_id()!=addr)
199 if(i!=rsv_blocks.begin())
201 float travel_time_secs = (Time::now()-last_entry_time)/Time::sec;
202 travel_speed = static_cast<int>(round(travel_dist/travel_time_secs*87*3.6/5))*5;
206 float weight = loco.get_speed()*travel_dist;
210 float scale = travel_dist/travel_time_secs/loco.get_speed();
211 cout<<"Updating speed_scale: "<<speed_scale<<'x'<<speed_scale_weight<<" + "<<scale<<'x'<<weight<<'\n';
212 speed_scale = (speed_scale*speed_scale_weight+scale*weight)/(speed_scale_weight+weight);
213 speed_scale_weight += weight;
214 cout<<" Result: "<<speed_scale<<'x'<<speed_scale_weight<<'\n';
220 for(list<BlockRef>::iterator j=rsv_blocks.begin(); j!=i; ++j)
222 j->block->traverse(j->entry, &block_len);
223 travel_dist += block_len;
225 last_entry_time = Time::now();
228 cur_blocks.splice(cur_blocks.end(), rsv_blocks, rsv_blocks.begin(), i);
231 for(i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
232 if(i->block->get_sensor_id()==addr)
233 set_position(i->block->get_endpoints()[i->entry]);
243 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
244 if(i->block->get_sensor_id()==addr)
247 for(list<BlockRef>::iterator j=cur_blocks.begin(); j!=i; ++j)
248 j->block->reserve(0);
249 cur_blocks.erase(cur_blocks.begin(), i);
258 void Train::turnout_route_changing(unsigned, Turnout *turnout)
260 unsigned tid = turnout->get_address();
261 for(list<BlockRef>::const_iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
262 if(i->block->get_turnout_id()==tid)
263 throw TurnoutBusy(this);
266 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
268 if(i->block->get_turnout_id()==tid)
271 throw TurnoutBusy(this);
274 else if(i->block->get_sensor_id())
279 void Train::turnout_route_changed(unsigned, Turnout *turnout)
281 unsigned tid = turnout->get_address();
282 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
283 if(i->block->get_turnout_id()==tid)
285 while(i!=rsv_blocks.end())
287 i->block->reserve(0);
288 i = rsv_blocks.erase(i);
296 unsigned Train::reserve_more()
299 if(!rsv_blocks.empty())
300 last = &rsv_blocks.back();
301 else if(!cur_blocks.empty())
302 last = &cur_blocks.back();
307 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
308 if(i->block->get_sensor_id())
314 int exit = last->block->traverse(last->entry);
317 Block *link = last->block->get_link(exit);
318 if(link && link->reserve(this))
320 rsv_blocks.push_back(BlockRef(link, link->get_endpoint_by_link(*last->block)));
321 last = &rsv_blocks.back();
322 if(last->block->get_sensor_id())
335 while(last && !last->block->get_sensor_id())
337 last->block->reserve(0);
338 rsv_blocks.erase(--rsv_blocks.end());
339 if(!rsv_blocks.empty())
340 last = &rsv_blocks.back();
348 void Train::update_speed()
353 try_reserve = Time::TimeStamp();
354 set_status("Stopped");
359 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
360 if(i->block->get_sensor_id())
367 try_reserve = Time::now()+2*Time::sec;
368 set_status("Blocked");
370 else if(nsens==1 && target_speed>3)
374 try_reserve = Time::now()+2*Time::sec;
379 loco.set_speed(target_speed);
380 try_reserve = Time::TimeStamp();
381 set_status(format("Traveling %d kmh", travel_speed));
386 void Train::set_status(const string &s)
389 signal_status_changed.emit(s);
392 void Train::set_position(const Block::Endpoint &bep)
394 cur_track = bep.track;
395 cur_track_ep = bep.track_ep;
397 pos = cur_track->get_endpoint_position(cur_track_ep);
401 Train::Loader::Loader(Train &t):
402 DataFile::BasicLoader<Train>(t)
404 add("name", &Train::name);
405 add("speed_scale", &Train::speed_scale, &Train::speed_scale_weight);
408 } // namespace Marklin