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>
15 #include "tracktype.h"
16 #include "trafficmanager.h"
24 Train::Train(TrafficManager &tm, Locomotive &l):
35 trfc_mgr.add_train(this);
37 loco.signal_reverse_changed.connect(sigc::mem_fun(this, &Train::locomotive_reverse_changed));
39 const map<unsigned, Sensor *> &sensors = trfc_mgr.get_control().get_sensors();
40 for(map<unsigned, Sensor *>::const_iterator i=sensors.begin(); i!=sensors.end(); ++i)
41 i->second->signal_state_changed.connect(sigc::bind(sigc::mem_fun(this, &Train::sensor_event), i->second));
43 const map<unsigned, Turnout *> &turnouts = trfc_mgr.get_control().get_turnouts();
44 for(map<unsigned, Turnout *>::const_iterator i=turnouts.begin(); i!=turnouts.end(); ++i)
46 i->second->signal_path_changing.connect(sigc::bind(sigc::mem_fun(this, &Train::turnout_path_changing), i->second));
47 i->second->signal_path_changed.connect(sigc::bind(sigc::mem_fun(this, &Train::turnout_path_changed), i->second));
51 void Train::set_name(const string &n)
55 signal_name_changed.emit(name);
58 void Train::set_speed(unsigned speed)
60 if(speed==target_speed)
62 travel_speed = static_cast<int>(round(get_real_speed(speed)*87*3.6/5))*5;
67 trfc_mgr.get_control().set_timer(3*Time::sec).signal_timeout.connect(
68 sigc::bind_return(sigc::mem_fun(this, &Train::release_reserved_blocks), false));
73 signal_target_speed_changed.emit(target_speed);
79 void Train::set_reverse(bool rev)
81 loco.set_reverse(rev);
84 void Train::set_route(const Route *r)
87 signal_route_changed.emit(route);
90 void Train::place(Block *block, unsigned entry)
92 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end();)
95 i = rsv_blocks.erase(i);
98 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end();)
100 i->block->reserve(0);
101 i = cur_blocks.erase(i);
104 if(!block->reserve(this))
106 set_status("Unplaced");
110 cur_blocks.push_back(BlockRef(block, entry));
111 set_position(block->get_endpoints()[entry]);
113 set_status("Stopped");
116 bool Train::free_block(Block *block)
119 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
125 while(i!=rsv_blocks.end())
127 i->block->reserve(0);
128 i = rsv_blocks.erase(i);
133 else if(i->block->get_sensor_id())
140 void Train::tick(const Time::TimeStamp &t, const Time::TimeDelta &dt)
142 if(try_reserve && t>try_reserve)
151 if(cur_track->get_turnout_id())
152 path = trfc_mgr.get_control().get_turnout(cur_track->get_turnout_id()).get_path();
154 offset += get_real_speed(loco.get_speed())*(dt/Time::sec);
155 if(offset>cur_track->get_type().get_path_length(path))
157 int out = cur_track->traverse(cur_track_ep, path);
160 Track *next = cur_track->get_link(out);
162 cur_track_ep = next->get_endpoint_by_link(*cur_track);
171 pos = cur_track->get_point(cur_track_ep, path, offset);
175 void Train::save(list<DataFile::Statement> &st) const
177 st.push_back((DataFile::Statement("name"), name));
178 for(unsigned i=0; i<=14; ++i)
179 if(real_speed[i].weight)
180 st.push_back((DataFile::Statement("real_speed"), i, real_speed[i].speed, real_speed[i].weight));
183 void Train::locomotive_reverse_changed(bool)
185 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
186 i->block->reserve(0);
188 cur_blocks.reverse();
189 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
190 i->entry = i->block->traverse(i->entry);
197 if(unsigned turnout = cur_track->get_turnout_id())
198 path = trfc_mgr.get_control().get_turnout(turnout).get_path();
199 cur_track_ep = cur_track->traverse(cur_track_ep, path);
200 offset = cur_track->get_type().get_path_length(path)-offset;
204 void Train::sensor_event(bool state, Sensor *sensor)
206 unsigned addr = sensor->get_address();
210 list<BlockRef>::iterator i;
211 for(i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
212 if(i->block->get_sensor_id() && i->block->get_sensor_id()!=addr)
215 if(i!=rsv_blocks.begin())
217 float travel_time_secs = (Time::now()-last_entry_time)/Time::sec;
218 travel_speed = static_cast<int>(round(travel_dist/travel_time_secs*87*3.6/5))*5;
222 RealSpeed &rs = real_speed[loco.get_speed()];
223 rs.add(travel_dist/travel_time_secs, travel_time_secs);
228 for(list<BlockRef>::iterator j=rsv_blocks.begin(); j!=i; ++j)
230 j->block->traverse(j->entry, &block_len);
231 travel_dist += block_len;
233 last_entry_time = Time::now();
236 cur_blocks.splice(cur_blocks.end(), rsv_blocks, rsv_blocks.begin(), i);
239 for(i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
240 if(i->block->get_sensor_id()==addr)
241 set_position(i->block->get_endpoints()[i->entry]);
251 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
252 if(unsigned b_addr = i->block->get_sensor_id())
257 for(list<BlockRef>::iterator j=cur_blocks.begin(); j!=i; ++j)
258 j->block->reserve(0);
259 cur_blocks.erase(cur_blocks.begin(), i);
269 void Train::turnout_path_changing(unsigned, Turnout *turnout)
271 unsigned tid = turnout->get_address();
272 for(list<BlockRef>::const_iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
273 if(i->block->get_turnout_id()==tid)
274 throw TurnoutBusy(this);
277 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
279 if(i->block->get_turnout_id()==tid)
282 throw TurnoutBusy(this);
285 else if(i->block->get_sensor_id())
290 void Train::turnout_path_changed(unsigned, Turnout *turnout)
292 unsigned tid = turnout->get_address();
293 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
294 if(i->block->get_turnout_id()==tid)
296 while(i!=rsv_blocks.end())
298 i->block->reserve(0);
299 i = rsv_blocks.erase(i);
307 unsigned Train::reserve_more()
310 if(!rsv_blocks.empty())
311 last = &rsv_blocks.back();
312 else if(!cur_blocks.empty())
313 last = &cur_blocks.back();
318 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
319 if(i->block->get_sensor_id())
325 int exit = last->block->traverse(last->entry);
329 Block *link = last->block->get_link(exit);
330 if(!link || !link->reserve(this))
333 if(route && link->get_turnout_id())
335 int path = route->get_turnout(link->get_turnout_id());
337 trfc_mgr.get_control().get_turnout(link->get_turnout_id()).set_path(path);
339 rsv_blocks.push_back(BlockRef(link, link->get_endpoint_by_link(*last->block)));
340 last = &rsv_blocks.back();
341 if(last->block->get_sensor_id())
348 while(!rsv_blocks.empty() && !last->block->get_sensor_id())
350 last->block->reserve(0);
351 rsv_blocks.erase(--rsv_blocks.end());
352 if(!rsv_blocks.empty())
353 last = &rsv_blocks.back();
361 void Train::update_speed()
366 try_reserve = Time::TimeStamp();
367 set_status("Stopped");
372 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
373 if(i->block->get_sensor_id())
376 unsigned slow_speed = find_speed(0.1); // 31.3 km/h
381 try_reserve = Time::now()+2*Time::sec;
382 set_status("Blocked");
384 else if(nsens==1 && target_speed>slow_speed)
386 loco.set_speed(slow_speed);
388 try_reserve = Time::now()+2*Time::sec;
393 loco.set_speed(target_speed);
394 try_reserve = Time::TimeStamp();
395 set_status(format("Traveling %d kmh", travel_speed));
400 float Train::get_real_speed(unsigned i) const
402 if(real_speed[i].weight)
403 return real_speed[i].speed;
407 for(low=i; low>0; --low)
408 if(real_speed[low].weight)
410 for(high=i; high<14; ++high)
411 if(real_speed[high].weight)
414 if(real_speed[high].weight)
416 if(real_speed[low].weight)
418 float f = float(i-low)/(high-low);
419 return real_speed[low].speed*(1-f)+real_speed[high].speed*f;
422 return real_speed[high].speed*float(i)/high;
424 else if(real_speed[low].weight)
425 return real_speed[low].speed*float(i)/low;
430 unsigned Train::find_speed(float real) const
432 if(real<=real_speed[0].speed)
437 for(unsigned i=0; (!high && i<=14); ++i)
438 if(real_speed[i].weight)
440 if(real_speed[i].speed<real)
449 return min(static_cast<unsigned>(low*real/real_speed[low].speed), 14U);
452 float f = (real-real_speed[low].speed)/(real_speed[high].speed-real_speed[low].speed);
453 return static_cast<unsigned>(low*(1-f)+high*f+0.5);
456 void Train::set_status(const string &s)
459 signal_status_changed.emit(s);
462 void Train::set_position(const Block::Endpoint &bep)
464 cur_track = bep.track;
465 cur_track_ep = bep.track_ep;
467 pos = cur_track->get_endpoint_position(cur_track_ep);
470 void Train::release_reserved_blocks()
472 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
473 i->block->reserve(0);
478 Train::RealSpeed::RealSpeed():
483 void Train::RealSpeed::add(float s, float w)
485 speed = (speed*weight+s*w)/(weight+w);
486 weight = min(weight+w, 300.0f);
490 Train::Loader::Loader(Train &t):
491 DataFile::BasicLoader<Train>(t)
493 add("name", &Train::name);
494 add("real_speed", &Loader::real_speed);
497 void Train::Loader::real_speed(unsigned i, float speed, float weight)
499 obj.real_speed[i].speed = speed;
500 obj.real_speed[i].weight = weight;
503 } // namespace Marklin