5 #include "signaltype.h"
15 Signal::Signal(Layout &l, const SignalType &t):
23 check_allocated_blocks(false),
26 layout.add_signal(*this);
28 layout.signal_block_reserved.connect(sigc::mem_fun(this, &Signal::block_reserved));
33 layout.remove_signal(*this);
36 void Signal::set_address(unsigned a)
40 if(layout.has_driver() && address)
41 layout.get_driver().add_signal(address, type);
44 void Signal::set_position(const Vector &p)
46 const set<Track *> &tracks = layout.get_tracks();
48 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
49 if(!(*i)->get_type().is_turnout())
51 TrackPoint n = (*i)->get_nearest_point(p);
52 float d = distance(p, n.pos);
65 void Signal::normalize_location()
67 block = &track->get_block();
69 unsigned n_endpoints = track->get_type().get_endpoints().size();
70 for(unsigned j=0; j<n_endpoints; ++j)
72 float a = track->get_endpoint_direction(j)-direction;
79 BlockIter biter = TrackIter(track, j).block_iter();
80 entry = biter.entry();
85 void Signal::set_direction(float d)
87 float a = direction-d;
102 void Signal::tick(const Time::TimeDelta &)
104 if(check_allocated_blocks)
106 unsigned n_blocks = 0;
107 BlockIter iter(block, entry);
109 while(iter && iter->get_train()==train)
111 if(iter->get_sensor_id())
115 check_allocated_blocks = false;
117 const list<SignalType::Indication> &indications = type.get_indications();
118 unsigned aspect = indications.back().aspect;
119 for(list<SignalType::Indication>::const_iterator i=indications.begin(); i!=indications.end(); ++i)
120 if(n_blocks>=i->free_blocks)
126 layout.get_driver().set_signal(address, aspect);
130 void Signal::block_reserved(const Block &b, Train *t)
136 int train_entry = t->get_entry_to_block(*block);
137 if(train_entry>=0 && static_cast<unsigned>(train_entry)==entry)
140 train_conn.disconnect();
143 train_conn = train->signal_advanced.connect(sigc::mem_fun(this, &Signal::train_advanced));
144 check_allocated_blocks = true;
149 layout.get_driver().set_signal(address, type.get_indications().back().aspect);
153 else if(train && t==train)
154 check_allocated_blocks = true;
157 void Signal::train_advanced(Block &b)
161 else if(passing && b.get_sensor_id())
163 layout.get_driver().set_signal(address, type.get_indications().back().aspect);
172 train_conn.disconnect();
173 check_allocated_blocks = false;
176 void Signal::save(list<DataFile::Statement> &st) const
178 st.push_back((DataFile::Statement("position"), position.x, position.y, position.z));
179 st.push_back((DataFile::Statement("direction"), direction));
181 st.push_back((DataFile::Statement("address"), address));
185 Signal::Loader::Loader(Signal &s):
186 DataFile::ObjectLoader<Signal>(s)
188 add("address", &Loader::address);
189 add("direction", &Loader::direction);
190 add("position", &Loader::position);
193 void Signal::Loader::address(unsigned a)
198 void Signal::Loader::direction(float d)
200 obj.set_direction(d);
203 void Signal::Loader::position(float x, float y, float z)
205 obj.set_position(Vector(x, y, z));