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(speed==target_speed)
64 if(!target_speed && speed)
65 travel_speed = static_cast<int>(round(speed*speed_scale*87*3.6/5))*5;
70 trfc_mgr.get_control().set_timer(3*Time::sec).signal_timeout.connect(
71 sigc::bind_return(sigc::mem_fun(this, &Train::release_reserved_blocks), false));
76 signal_target_speed_changed.emit(target_speed);
82 void Train::set_reverse(bool rev)
84 loco.set_reverse(rev);
87 void Train::place(Block *block, unsigned entry)
89 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end();)
92 i = rsv_blocks.erase(i);
95 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end();)
98 i = cur_blocks.erase(i);
101 if(!block->reserve(this))
103 set_status("Unplaced");
107 cur_blocks.push_back(BlockRef(block, entry));
108 set_position(block->get_endpoints()[entry]);
110 set_status("Stopped");
113 bool Train::free_block(Block *block)
116 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
122 while(i!=rsv_blocks.end())
124 i->block->reserve(0);
125 i = rsv_blocks.erase(i);
130 else if(i->block->get_sensor_id())
137 void Train::tick(const Time::TimeStamp &t, const Time::TimeDelta &dt)
139 if(try_reserve && t>try_reserve)
148 if(cur_track->get_turnout_id())
149 route = trfc_mgr.get_control().get_turnout(cur_track->get_turnout_id()).get_route();
151 offset += speed_scale*loco.get_speed()*(dt/Time::sec);
152 if(offset>cur_track->get_type().get_route_length(route))
154 int out = cur_track->traverse(cur_track_ep, route);
157 Track *next = cur_track->get_link(out);
159 cur_track_ep = next->get_endpoint_by_link(*cur_track);
168 pos = cur_track->get_point(cur_track_ep, route, offset);
172 void Train::save(list<DataFile::Statement> &st) const
174 st.push_back((DataFile::Statement("name"), name));
175 st.push_back((DataFile::Statement("speed_scale"), speed_scale, speed_scale_weight));
178 void Train::locomotive_reverse_changed(bool)
180 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
181 i->block->reserve(0);
183 cur_blocks.reverse();
184 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
185 i->entry = i->block->traverse(i->entry);
190 void Train::sensor_event(bool state, Sensor *sensor)
192 unsigned addr = sensor->get_address();
196 list<BlockRef>::iterator i;
197 for(i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
198 if(i->block->get_sensor_id() && i->block->get_sensor_id()!=addr)
201 if(i!=rsv_blocks.begin())
203 float travel_time_secs = (Time::now()-last_entry_time)/Time::sec;
204 travel_speed = static_cast<int>(round(travel_dist/travel_time_secs*87*3.6/5))*5;
208 float weight = loco.get_speed()*travel_dist;
212 float scale = travel_dist/travel_time_secs/loco.get_speed();
213 cout<<"Updating speed_scale: "<<speed_scale<<'x'<<speed_scale_weight<<" + "<<scale<<'x'<<weight<<'\n';
214 speed_scale = (speed_scale*speed_scale_weight+scale*weight)/(speed_scale_weight+weight);
215 speed_scale_weight += weight;
216 cout<<" Result: "<<speed_scale<<'x'<<speed_scale_weight<<'\n';
222 for(list<BlockRef>::iterator j=rsv_blocks.begin(); j!=i; ++j)
224 j->block->traverse(j->entry, &block_len);
225 travel_dist += block_len;
227 last_entry_time = Time::now();
230 cur_blocks.splice(cur_blocks.end(), rsv_blocks, rsv_blocks.begin(), i);
233 for(i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
234 if(i->block->get_sensor_id()==addr)
235 set_position(i->block->get_endpoints()[i->entry]);
245 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
246 if(unsigned b_addr = i->block->get_sensor_id())
251 for(list<BlockRef>::iterator j=cur_blocks.begin(); j!=i; ++j)
252 j->block->reserve(0);
253 cur_blocks.erase(cur_blocks.begin(), i);
263 void Train::turnout_route_changing(unsigned, Turnout *turnout)
265 unsigned tid = turnout->get_address();
266 for(list<BlockRef>::const_iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
267 if(i->block->get_turnout_id()==tid)
268 throw TurnoutBusy(this);
271 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
273 if(i->block->get_turnout_id()==tid)
276 throw TurnoutBusy(this);
279 else if(i->block->get_sensor_id())
284 void Train::turnout_route_changed(unsigned, Turnout *turnout)
286 unsigned tid = turnout->get_address();
287 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
288 if(i->block->get_turnout_id()==tid)
290 while(i!=rsv_blocks.end())
292 i->block->reserve(0);
293 i = rsv_blocks.erase(i);
301 unsigned Train::reserve_more()
304 if(!rsv_blocks.empty())
305 last = &rsv_blocks.back();
306 else if(!cur_blocks.empty())
307 last = &cur_blocks.back();
312 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
313 if(i->block->get_sensor_id())
319 int exit = last->block->traverse(last->entry);
322 Block *link = last->block->get_link(exit);
323 if(link && link->reserve(this))
325 rsv_blocks.push_back(BlockRef(link, link->get_endpoint_by_link(*last->block)));
326 last = &rsv_blocks.back();
327 if(last->block->get_sensor_id())
340 while(last && !last->block->get_sensor_id())
342 last->block->reserve(0);
343 rsv_blocks.erase(--rsv_blocks.end());
344 if(!rsv_blocks.empty())
345 last = &rsv_blocks.back();
353 void Train::update_speed()
358 try_reserve = Time::TimeStamp();
359 set_status("Stopped");
364 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
365 if(i->block->get_sensor_id())
372 try_reserve = Time::now()+2*Time::sec;
373 set_status("Blocked");
375 else if(nsens==1 && target_speed>3)
379 try_reserve = Time::now()+2*Time::sec;
384 loco.set_speed(target_speed);
385 try_reserve = Time::TimeStamp();
386 set_status(format("Traveling %d kmh", travel_speed));
391 void Train::set_status(const string &s)
394 signal_status_changed.emit(s);
397 void Train::set_position(const Block::Endpoint &bep)
399 cur_track = bep.track;
400 cur_track_ep = bep.track_ep;
402 pos = cur_track->get_endpoint_position(cur_track_ep);
405 void Train::release_reserved_blocks()
407 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
408 i->block->reserve(0);
413 Train::Loader::Loader(Train &t):
414 DataFile::BasicLoader<Train>(t)
416 add("name", &Train::name);
417 add("speed_scale", &Train::speed_scale, &Train::speed_scale_weight);
420 } // namespace Marklin