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>
13 #include "tracktype.h"
14 #include "trafficmanager.h"
24 Train::Train(TrafficManager &tm, Locomotive &l):
33 speed_scale_weight(0),
36 trfc_mgr.add_train(this);
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));
43 void Train::set_name(const string &n)
47 signal_name_changed.emit(name);
50 void Train::set_speed(unsigned speed)
52 if(!target_speed && speed)
53 travel_speed=static_cast<int>(round(speed*speed_scale*87*3.6/5))*5;
58 // XXX We might roll onto a new sensor and get confused - should delay freeing blocks a bit
59 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
68 void Train::place(Block *block, unsigned entry)
70 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end();)
73 i=rsv_blocks.erase(i);
76 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end();)
79 i=cur_blocks.erase(i);
82 if(!block->reserve(this))
84 set_status("Unplaced");
88 cur_blocks.push_back(BlockRef(block, entry));
89 set_position(block->get_endpoints()[entry]);
91 set_status("Stopped");
94 bool Train::free_block(Block *block)
96 for(list<BlockRef>::iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
99 while(i!=rsv_blocks.end())
101 i->block->reserve(0);
102 i=rsv_blocks.erase(i);
110 void Train::tick(const Time::TimeStamp &t, const Time::TimeDelta &dt)
112 if(try_reserve && t>try_reserve)
118 if(cur_track->get_turnout_id())
119 route=trfc_mgr.get_control().get_turnout(cur_track->get_turnout_id()).get_route();
121 offset+=speed_scale*loco.get_speed()*(dt/Time::sec);
122 if(offset>cur_track->get_type().get_route_length(route))
124 int out=cur_track->traverse(cur_track_ep, route);
127 Track *next=cur_track->get_link(out);
129 cur_track_ep=next->get_endpoint_by_link(*cur_track);
138 pos=cur_track->get_point(cur_track_ep, route, offset);
142 void Train::save(list<DataFile::Statement> &st) const
144 st.push_back((DataFile::Statement("name"), name));
145 st.push_back((DataFile::Statement("speed_scale"), speed_scale, speed_scale_weight));
148 void Train::sensor_event(bool state, Sensor *sensor)
150 unsigned addr=sensor->get_address();
154 list<BlockRef>::iterator i;
155 for(i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
156 if(i->block->get_sensor_id() && i->block->get_sensor_id()!=addr)
159 if(i!=rsv_blocks.begin())
161 float travel_time_secs=(Time::now()-last_entry_time)/Time::sec;
162 travel_speed=static_cast<int>(round(travel_dist/travel_time_secs*87*3.6/5))*5;
166 float weight=loco.get_speed()*travel_dist;
170 float scale=travel_dist/travel_time_secs/loco.get_speed();
171 cout<<"Updating speed_scale: "<<speed_scale<<'x'<<speed_scale_weight<<" + "<<scale<<'x'<<weight<<'\n';
172 speed_scale=(speed_scale*speed_scale_weight+scale*weight)/(speed_scale_weight+weight);
173 speed_scale_weight+=weight;
174 cout<<" Result: "<<speed_scale<<'x'<<speed_scale_weight<<'\n';
180 for(list<BlockRef>::iterator j=rsv_blocks.begin(); j!=i; ++j)
182 j->block->traverse(j->entry, &block_len);
183 travel_dist+=block_len;
185 last_entry_time=Time::now();
188 cur_blocks.splice(cur_blocks.end(), rsv_blocks, rsv_blocks.begin(), i);
191 for(i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
192 if(i->block->get_sensor_id()==addr)
193 set_position(i->block->get_endpoints()[i->entry]);
200 for(list<BlockRef>::iterator i=cur_blocks.begin(); i!=cur_blocks.end(); ++i)
201 if(i->block->get_sensor_id()==addr)
204 for(list<BlockRef>::iterator j=cur_blocks.begin(); j!=i; ++j)
205 j->block->reserve(0);
206 cur_blocks.erase(cur_blocks.begin(), i);
215 unsigned Train::reserve_more()
218 if(!rsv_blocks.empty())
219 last=&rsv_blocks.back();
220 else if(!cur_blocks.empty())
221 last=&cur_blocks.back();
226 for(list<BlockRef>::const_iterator i=rsv_blocks.begin(); i!=rsv_blocks.end(); ++i)
227 if(i->block->get_sensor_id())
233 int exit=last->block->traverse(last->entry);
236 Block *link=last->block->get_link(exit);
237 if(link && link->reserve(this))
239 rsv_blocks.push_back(BlockRef(link, link->get_endpoint_by_link(*last->block)));
240 last=&rsv_blocks.back();
241 if(last->block->get_sensor_id())
254 while(last && !last->block->get_sensor_id())
256 last->block->reserve(0);
257 rsv_blocks.erase(--rsv_blocks.end());
258 if(!rsv_blocks.empty())
259 last=&rsv_blocks.back();
267 void Train::update_speed()
272 try_reserve=Time::TimeStamp();
273 set_status("Stopped");
277 unsigned n=reserve_more();
282 try_reserve=Time::now()+2*Time::sec;
283 set_status("Blocked");
289 try_reserve=Time::now()+2*Time::sec;
294 loco.set_speed(target_speed);
295 try_reserve=Time::TimeStamp();
296 set_status(format("Traveling %d kmh", travel_speed));
301 void Train::set_status(const string &s)
304 signal_status_changed.emit(s);
307 void Train::set_position(const Block::Endpoint &bep)
310 cur_track_ep=bep.track_ep;
312 pos=cur_track->get_endpoint_position(cur_track_ep);
316 Train::Loader::Loader(Train &t):
317 DataFile::BasicLoader<Train>(t)
319 add("name", &Train::name);
320 add("speed_scale", &Train::speed_scale, &Train::speed_scale_weight);
323 } // namespace Marklin