#include "blockiter.h"
+#include "catalogue.h"
#include "driver.h"
#include "layout.h"
#include "signal.h"
namespace R2C2 {
Signal::Signal(Layout &l, const SignalType &t):
- layout(l),
+ Object(l),
type(t),
address(0),
track(0),
block(0),
entry(0),
train(0),
- check_train_direction(false),
check_allocated_blocks(false),
passing(false)
{
layout.remove_signal(*this);
}
+Signal *Signal::clone(Layout *to_layout) const
+{
+ Signal *sig = new Signal((to_layout ? *to_layout : layout), type);
+ sig->set_position(position);
+ sig->set_rotation(rotation);
+ return sig;
+}
+
void Signal::set_address(unsigned a)
{
address = a;
}
void Signal::set_position(const Vector &p)
+{
+ position = p;
+
+ update_location();
+}
+
+void Signal::update_location()
{
const set<Track *> &tracks = layout.get_tracks();
+ float limit = layout.get_catalogue().get_gauge()*2;
float dist = -1;
for(set<Track *>::const_iterator i=tracks.begin(); i!=tracks.end(); ++i)
if(!(*i)->get_type().is_turnout())
{
- TrackPoint n = (*i)->get_nearest_point(p);
- float d = distance(p, n.pos);
+ Snap sn;
+ sn.position = position;
+ sn.rotation = rotation;
+ (*i)->snap(sn, limit, SNAP_SEGMENT);
+ float d = distance(position, sn.position);
if(d<dist || dist<0)
{
- position = n.pos;
- direction = n.dir;
track = *i;
dist = d;
}
}
- normalize_location();
-}
+ block = 0;
-void Signal::normalize_location()
-{
- block = &track->get_block();
+ if(!track)
+ return;
unsigned n_endpoints = track->get_type().get_endpoints().size();
for(unsigned j=0; j<n_endpoints; ++j)
{
- float a = track->get_endpoint_direction(j)-direction;
- while(a<-M_PI/2)
- a += M_PI*2;
- while(a>M_PI*3/2)
- a -= M_PI*2;
- if(a>=M_PI/2)
+ Angle a = wrap_with_base(track->get_snap_node(j).rotation-rotation, -Angle::quarter_turn());
+ if(a>=Angle::quarter_turn())
{
BlockIter biter = TrackIter(track, j).block_iter();
- entry = biter.entry();
+ if(biter)
+ {
+ block = &track->get_block();
+ entry = biter.entry();
+ }
}
}
}
-void Signal::set_direction(float d)
+void Signal::set_rotation(const Angle &r)
{
- float a = direction-d;
- while(a>M_PI*3/2)
- a -= M_PI*2;
- while(a<-M_PI/2)
- a += M_PI*2;
- if(a>=M_PI/2)
- {
- direction += M_PI;
- if(direction>M_PI*2)
- direction -= M_PI*2;
- }
+ rotation = r;
- normalize_location();
+ update_location();
}
-void Signal::tick(const Time::TimeDelta &)
+unsigned Signal::get_n_snap_nodes() const
{
- if(check_train_direction)
- {
- int train_entry = train->get_entry_to_block(*block);
- if(train_entry>=0 && static_cast<unsigned>(train_entry)==entry)
- {
- if(train_conn)
- train_conn.disconnect();
- train_conn = train->signal_advanced.connect(sigc::mem_fun(this, &Signal::train_advanced));
- }
- check_train_direction = false;
- check_allocated_blocks = true;
- }
+ return 1;
+}
+
+Snap Signal::get_snap_node(unsigned i) const
+{
+ if(i>=1)
+ throw out_of_range("Signal::get_snap_node");
+
+ Snap sn;
+ sn.position = position;
+ sn.rotation = rotation;
+ return sn;
+}
+
+SnapType Signal::get_default_snap_type_to(const Object &other) const
+{
+ if(dynamic_cast<const Track *>(&other))
+ return SNAP_SEGMENT;
+
+ return NO_SNAP;
+}
+void Signal::tick(const Time::TimeDelta &)
+{
if(check_allocated_blocks)
{
unsigned n_blocks = 0;
{
if(t)
{
- train = t;
- passing = false;
- check_train_direction = true;
+ int train_entry = t->get_block_allocator().get_entry_to_block(*block);
+ if(train_entry>=0 && static_cast<unsigned>(train_entry)==entry)
+ {
+ if(train_conn)
+ train_conn.disconnect();
+ train = t;
+ passing = false;
+ train_conn = train->signal_advanced.connect(sigc::mem_fun(this, &Signal::train_advanced));
+ check_allocated_blocks = true;
+ }
}
else
{
train = 0;
if(train_conn)
train_conn.disconnect();
- check_train_direction = false;
check_allocated_blocks = false;
}
void Signal::save(list<DataFile::Statement> &st) const
{
st.push_back((DataFile::Statement("position"), position.x, position.y, position.z));
- st.push_back((DataFile::Statement("direction"), direction));
+ st.push_back((DataFile::Statement("rotation"), rotation.radians()));
if(address)
st.push_back((DataFile::Statement("address"), address));
}
Signal::Loader::Loader(Signal &s):
DataFile::ObjectLoader<Signal>(s)
{
- add("address", &Loader::address);
- add("direction", &Loader::direction);
- add("position", &Loader::position);
+ add("address", &Loader::address);
+ add("position", &Loader::position);
+ add("rotation", &Loader::rotation);
}
void Signal::Loader::address(unsigned a)
obj.set_address(a);
}
-void Signal::Loader::direction(float d)
+void Signal::Loader::position(float x, float y, float z)
{
- obj.set_direction(d);
+ obj.set_position(Vector(x, y, z));
}
-void Signal::Loader::position(float x, float y, float z)
+void Signal::Loader::rotation(float d)
{
- obj.set_position(Vector(x, y, z));
+ obj.set_rotation(Angle::from_radians(d));
}
} // namespace R2C2