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 Signal *Signal::clone(Layout *to_layout) const
38 Signal *sig = new Signal((to_layout ? *to_layout : layout), type);
39 sig->set_position(position);
40 sig->set_rotation(rotation);
44 void Signal::set_address(unsigned a)
48 if(layout.has_driver() && address)
49 layout.get_driver().add_signal(address, type);
52 void Signal::set_position(const Vector &p)
54 const set<Track *> &tracks = layout.get_tracks();
56 for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
57 if(!(*i)->get_type().is_turnout())
59 TrackPoint n = (*i)->get_nearest_point(p);
60 float d = distance(p, n.pos);
73 void Signal::normalize_location()
75 block = &track->get_block();
77 unsigned n_endpoints = track->get_type().get_endpoints().size();
78 for(unsigned j=0; j<n_endpoints; ++j)
80 float a = track->get_endpoint_direction(j)-rotation;
87 BlockIter biter = TrackIter(track, j).block_iter();
88 entry = biter.entry();
93 void Signal::set_rotation(float r)
107 normalize_location();
110 bool Signal::collide_ray(const Vector &start, const Vector &ray) const
112 // XXX Totally hardcoded stuff, should be replaced with a geometry system
113 Vector center = position;
114 center.x += sin(rotation)*0.035;
115 center.y -= cos(rotation)*0.035;
116 Vector d(center.x-start.x, center.y-start.y);
117 float x = (d.x*ray.x+d.y*ray.y)/(ray.x*ray.x+ray.y*ray.y);
118 Vector nearest(start.x+ray.x*x-center.x, start.y+ray.y*x-center.y, start.z+ray.z*x-center.z);
119 if(nearest.z<0|| nearest.z>0.12)
121 return nearest.x*nearest.x+nearest.y*nearest.y<0.0001;
124 void Signal::tick(const Time::TimeDelta &)
126 if(check_allocated_blocks)
128 unsigned n_blocks = 0;
129 BlockIter iter(block, entry);
131 while(iter && iter->get_train()==train)
133 if(iter->get_sensor_id())
137 check_allocated_blocks = false;
139 const list<SignalType::Indication> &indications = type.get_indications();
140 unsigned aspect = indications.back().aspect;
141 for(list<SignalType::Indication>::const_iterator i=indications.begin(); i!=indications.end(); ++i)
142 if(n_blocks>=i->free_blocks)
148 layout.get_driver().set_signal(address, aspect);
152 void Signal::block_reserved(const Block &b, Train *t)
158 int train_entry = t->get_entry_to_block(*block);
159 if(train_entry>=0 && static_cast<unsigned>(train_entry)==entry)
162 train_conn.disconnect();
165 train_conn = train->signal_advanced.connect(sigc::mem_fun(this, &Signal::train_advanced));
166 check_allocated_blocks = true;
171 layout.get_driver().set_signal(address, type.get_indications().back().aspect);
175 else if(train && t==train)
176 check_allocated_blocks = true;
179 void Signal::train_advanced(Block &b)
183 else if(passing && b.get_sensor_id())
185 layout.get_driver().set_signal(address, type.get_indications().back().aspect);
194 train_conn.disconnect();
195 check_allocated_blocks = false;
198 void Signal::save(list<DataFile::Statement> &st) const
200 st.push_back((DataFile::Statement("position"), position.x, position.y, position.z));
201 st.push_back((DataFile::Statement("rotation"), rotation));
203 st.push_back((DataFile::Statement("address"), address));
207 Signal::Loader::Loader(Signal &s):
208 DataFile::ObjectLoader<Signal>(s)
210 add("address", &Loader::address);
211 add("position", &Loader::position);
212 add("rotation", &Loader::rotation);
215 void Signal::Loader::address(unsigned a)
220 void Signal::Loader::position(float x, float y, float z)
222 obj.set_position(Vector(x, y, z));
225 void Signal::Loader::rotation(float d)