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"
23 Train::Train(TrafficManager &tm, Locomotive &l):
34 trfc_mgr.add_train(this);
36 loco.signal_reverse_changed.connect(sigc::mem_fun(this, &Train::locomotive_reverse_changed));
38 const map<unsigned, Sensor *> &sensors = trfc_mgr.get_control().get_sensors();
39 for(map<unsigned, Sensor *>::const_iterator i=sensors.begin(); i!=sensors.end(); ++i)
40 i->second->signal_state_changed.connect(sigc::bind(sigc::mem_fun(this, &Train::sensor_event), i->second));
42 const map<unsigned, Turnout *> &turnouts = trfc_mgr.get_control().get_turnouts();
43 for(map<unsigned, Turnout *>::const_iterator i=turnouts.begin(); i!=turnouts.end(); ++i)
45 i->second->signal_route_changing.connect(sigc::bind(sigc::mem_fun(this, &Train::turnout_route_changing), i->second));
46 i->second->signal_route_changed.connect(sigc::bind(sigc::mem_fun(this, &Train::turnout_route_changed), i->second));
50 void Train::set_name(const string &n)
54 signal_name_changed.emit(name);
57 void Train::set_speed(unsigned speed)
59 if(speed==target_speed)
61 travel_speed = static_cast<int>(round(get_real_speed(speed)*87*3.6/5))*5;
66 trfc_mgr.get_control().set_timer(3*Time::sec).signal_timeout.connect(
67 sigc::bind_return(sigc::mem_fun(this, &Train::release_reserved_blocks), false));
72 signal_target_speed_changed.emit(target_speed);
78 void Train::set_reverse(bool rev)
80 loco.set_reverse(rev);
83 void Train::place(Block *block, unsigned entry)
85 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end();)
88 i = rsv_blocks.erase(i);
91 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end();)
94 i = cur_blocks.erase(i);
97 if(!block->reserve(this))
99 set_status("Unplaced");
103 cur_blocks.push_back(BlockRef(block, entry));
104 set_position(block->get_endpoints()[entry]);
106 set_status("Stopped");
109 bool Train::free_block(Block *block)
112 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
118 while(i!=rsv_blocks.end())
120 i->block->reserve(0);
121 i = rsv_blocks.erase(i);
126 else if(i->block->get_sensor_id())
133 void Train::tick(const Time::TimeStamp &t, const Time::TimeDelta &dt)
135 if(try_reserve && t>try_reserve)
144 if(cur_track->get_turnout_id())
145 route = trfc_mgr.get_control().get_turnout(cur_track->get_turnout_id()).get_route();
147 offset += get_real_speed(loco.get_speed())*(dt/Time::sec);
148 if(offset>cur_track->get_type().get_route_length(route))
150 int out = cur_track->traverse(cur_track_ep, route);
153 Track *next = cur_track->get_link(out);
155 cur_track_ep = next->get_endpoint_by_link(*cur_track);
164 pos = cur_track->get_point(cur_track_ep, route, offset);
168 void Train::save(list<DataFile::Statement> &st) const
170 st.push_back((DataFile::Statement("name"), name));
171 for(unsigned i=0; i<=14; ++i)
172 if(real_speed[i].weight)
173 st.push_back((DataFile::Statement("real_speed"), i, real_speed[i].speed, real_speed[i].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 RealSpeed &rs = real_speed[loco.get_speed()];
207 rs.add(travel_dist/travel_time_secs, travel_time_secs);
212 for(list<BlockRef>::iterator j=rsv_blocks.begin(); j!=i; ++j)
214 j->block->traverse(j->entry, &block_len);
215 travel_dist += block_len;
217 last_entry_time = Time::now();
220 cur_blocks.splice(cur_blocks.end(), rsv_blocks, rsv_blocks.begin(), i);
223 for(i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
224 if(i->block->get_sensor_id()==addr)
225 set_position(i->block->get_endpoints()[i->entry]);
235 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
236 if(unsigned b_addr = i->block->get_sensor_id())
241 for(list<BlockRef>::iterator j=cur_blocks.begin(); j!=i; ++j)
242 j->block->reserve(0);
243 cur_blocks.erase(cur_blocks.begin(), i);
253 void Train::turnout_route_changing(unsigned, Turnout *turnout)
255 unsigned tid = turnout->get_address();
256 for(list<BlockRef>::const_iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
257 if(i->block->get_turnout_id()==tid)
258 throw TurnoutBusy(this);
261 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
263 if(i->block->get_turnout_id()==tid)
266 throw TurnoutBusy(this);
269 else if(i->block->get_sensor_id())
274 void Train::turnout_route_changed(unsigned, Turnout *turnout)
276 unsigned tid = turnout->get_address();
277 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
278 if(i->block->get_turnout_id()==tid)
280 while(i!=rsv_blocks.end())
282 i->block->reserve(0);
283 i = rsv_blocks.erase(i);
291 unsigned Train::reserve_more()
294 if(!rsv_blocks.empty())
295 last = &rsv_blocks.back();
296 else if(!cur_blocks.empty())
297 last = &cur_blocks.back();
302 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
303 if(i->block->get_sensor_id())
309 int exit = last->block->traverse(last->entry);
312 Block *link = last->block->get_link(exit);
313 if(link && link->reserve(this))
315 rsv_blocks.push_back(BlockRef(link, link->get_endpoint_by_link(*last->block)));
316 last = &rsv_blocks.back();
317 if(last->block->get_sensor_id())
330 while(last && !last->block->get_sensor_id())
332 last->block->reserve(0);
333 rsv_blocks.erase(--rsv_blocks.end());
334 if(!rsv_blocks.empty())
335 last = &rsv_blocks.back();
343 void Train::update_speed()
348 try_reserve = Time::TimeStamp();
349 set_status("Stopped");
354 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
355 if(i->block->get_sensor_id())
358 unsigned slow_speed = find_speed(0.1); // 31.3 km/h
363 try_reserve = Time::now()+2*Time::sec;
364 set_status("Blocked");
366 else if(nsens==1 && target_speed>slow_speed)
368 loco.set_speed(slow_speed);
370 try_reserve = Time::now()+2*Time::sec;
375 loco.set_speed(target_speed);
376 try_reserve = Time::TimeStamp();
377 set_status(format("Traveling %d kmh", travel_speed));
382 float Train::get_real_speed(unsigned i) const
384 if(real_speed[i].weight)
385 return real_speed[i].speed;
389 for(low=i; low>0; --low)
390 if(real_speed[low].weight)
392 for(high=i; high<14; ++high)
393 if(real_speed[high].weight)
396 if(real_speed[high].weight)
398 if(real_speed[low].weight)
400 float f = float(i-low)/(high-low);
401 return real_speed[low].speed*(1-f)+real_speed[high].speed*f;
404 return real_speed[high].speed*float(i)/high;
406 else if(real_speed[low].weight)
407 return real_speed[low].speed*float(i)/low;
412 unsigned Train::find_speed(float real) const
414 if(real<=real_speed[0].speed)
416 if(real>=real_speed[14].speed)
421 for(high=0; real_speed[high].speed<real; ++high)
422 if(real_speed[high].weight)
425 float f = (real-real_speed[low].speed)/(real_speed[high].speed-real_speed[low].speed);
426 return static_cast<unsigned>(low*(1-f)+high*f+0.5);
429 void Train::set_status(const string &s)
432 signal_status_changed.emit(s);
435 void Train::set_position(const Block::Endpoint &bep)
437 cur_track = bep.track;
438 cur_track_ep = bep.track_ep;
440 pos = cur_track->get_endpoint_position(cur_track_ep);
443 void Train::release_reserved_blocks()
445 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
446 i->block->reserve(0);
451 Train::RealSpeed::RealSpeed():
456 void Train::RealSpeed::add(float s, float w)
458 speed = (speed*weight+s*w)/(weight+w);
459 weight = min(weight+w, 300.0f);
463 Train::Loader::Loader(Train &t):
464 DataFile::BasicLoader<Train>(t)
466 add("name", &Train::name);
467 add("real_speed", &Loader::real_speed);
470 void Train::Loader::real_speed(unsigned i, float speed, float weight)
472 obj.real_speed[i].speed = speed;
473 obj.real_speed[i].weight = weight;
476 } // namespace Marklin