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 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_route_changing.connect(sigc::bind(sigc::mem_fun(this, &Train::turnout_route_changing), i->second));
47 i->second->signal_route_changed.connect(sigc::bind(sigc::mem_fun(this, &Train::turnout_route_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(!target_speed && speed)
61 travel_speed=static_cast<int>(round(speed*speed_scale*87*3.6/5))*5;
66 // XXX We might roll onto a new sensor and get confused - should delay freeing blocks a bit
67 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
78 void Train::place(Block *block, unsigned entry)
80 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end();)
83 i=rsv_blocks.erase(i);
86 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end();)
89 i=cur_blocks.erase(i);
92 if(!block->reserve(this))
94 set_status("Unplaced");
98 cur_blocks.push_back(BlockRef(block, entry));
99 set_position(block->get_endpoints()[entry]);
101 set_status("Stopped");
104 bool Train::free_block(Block *block)
107 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
113 while(i!=rsv_blocks.end())
115 i->block->reserve(0);
116 i=rsv_blocks.erase(i);
121 else if(i->block->get_sensor_id())
128 void Train::tick(const Time::TimeStamp &t, const Time::TimeDelta &dt)
130 if(try_reserve && t>try_reserve)
139 if(cur_track->get_turnout_id())
140 route=trfc_mgr.get_control().get_turnout(cur_track->get_turnout_id()).get_route();
142 offset+=speed_scale*loco.get_speed()*(dt/Time::sec);
143 if(offset>cur_track->get_type().get_route_length(route))
145 int out=cur_track->traverse(cur_track_ep, route);
148 Track *next=cur_track->get_link(out);
150 cur_track_ep=next->get_endpoint_by_link(*cur_track);
159 pos=cur_track->get_point(cur_track_ep, route, offset);
163 void Train::save(list<DataFile::Statement> &st) const
165 st.push_back((DataFile::Statement("name"), name));
166 st.push_back((DataFile::Statement("speed_scale"), speed_scale, speed_scale_weight));
169 void Train::sensor_event(bool state, Sensor *sensor)
171 unsigned addr=sensor->get_address();
175 list<BlockRef>::iterator i;
176 for(i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
177 if(i->block->get_sensor_id() && i->block->get_sensor_id()!=addr)
180 if(i!=rsv_blocks.begin())
182 float travel_time_secs=(Time::now()-last_entry_time)/Time::sec;
183 travel_speed=static_cast<int>(round(travel_dist/travel_time_secs*87*3.6/5))*5;
187 float weight=loco.get_speed()*travel_dist;
191 float scale=travel_dist/travel_time_secs/loco.get_speed();
192 cout<<"Updating speed_scale: "<<speed_scale<<'x'<<speed_scale_weight<<" + "<<scale<<'x'<<weight<<'\n';
193 speed_scale=(speed_scale*speed_scale_weight+scale*weight)/(speed_scale_weight+weight);
194 speed_scale_weight+=weight;
195 cout<<" Result: "<<speed_scale<<'x'<<speed_scale_weight<<'\n';
201 for(list<BlockRef>::iterator j=rsv_blocks.begin(); j!=i; ++j)
203 j->block->traverse(j->entry, &block_len);
204 travel_dist+=block_len;
206 last_entry_time=Time::now();
209 cur_blocks.splice(cur_blocks.end(), rsv_blocks, rsv_blocks.begin(), i);
212 for(i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
213 if(i->block->get_sensor_id()==addr)
214 set_position(i->block->get_endpoints()[i->entry]);
224 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
225 if(i->block->get_sensor_id()==addr)
228 for(list<BlockRef>::iterator j=cur_blocks.begin(); j!=i; ++j)
229 j->block->reserve(0);
230 cur_blocks.erase(cur_blocks.begin(), i);
239 void Train::turnout_route_changing(unsigned, Turnout *turnout)
241 unsigned tid=turnout->get_address();
242 for(list<BlockRef>::const_iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
243 if(i->block->get_turnout_id()==tid)
244 throw TurnoutBusy(this);
247 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
249 if(i->block->get_turnout_id()==tid)
252 throw TurnoutBusy(this);
255 else if(i->block->get_sensor_id())
260 void Train::turnout_route_changed(unsigned, Turnout *turnout)
262 unsigned tid=turnout->get_address();
263 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
264 if(i->block->get_turnout_id()==tid)
266 while(i!=rsv_blocks.end())
268 i->block->reserve(0);
269 i=rsv_blocks.erase(i);
277 unsigned Train::reserve_more()
280 if(!rsv_blocks.empty())
281 last=&rsv_blocks.back();
282 else if(!cur_blocks.empty())
283 last=&cur_blocks.back();
288 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
289 if(i->block->get_sensor_id())
295 int exit=last->block->traverse(last->entry);
298 Block *link=last->block->get_link(exit);
299 if(link && link->reserve(this))
301 rsv_blocks.push_back(BlockRef(link, link->get_endpoint_by_link(*last->block)));
302 last=&rsv_blocks.back();
303 if(last->block->get_sensor_id())
316 while(last && !last->block->get_sensor_id())
318 last->block->reserve(0);
319 rsv_blocks.erase(--rsv_blocks.end());
320 if(!rsv_blocks.empty())
321 last=&rsv_blocks.back();
329 void Train::update_speed()
334 try_reserve=Time::TimeStamp();
335 set_status("Stopped");
340 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
341 if(i->block->get_sensor_id())
348 try_reserve=Time::now()+2*Time::sec;
349 set_status("Blocked");
351 else if(nsens==1 && target_speed>3)
355 try_reserve=Time::now()+2*Time::sec;
360 loco.set_speed(target_speed);
361 try_reserve=Time::TimeStamp();
362 set_status(format("Traveling %d kmh", travel_speed));
367 void Train::set_status(const string &s)
370 signal_status_changed.emit(s);
373 void Train::set_position(const Block::Endpoint &bep)
376 cur_track_ep=bep.track_ep;
378 pos=cur_track->get_endpoint_position(cur_track_ep);
382 Train::Loader::Loader(Train &t):
383 DataFile::BasicLoader<Train>(t)
385 add("name", &Train::name);
386 add("speed_scale", &Train::speed_scale, &Train::speed_scale_weight);
389 } // namespace Marklin