X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Fsignal.cpp;h=a858e0dc92b99293eb142f8172f7902d563acb22;hb=5c1ddd2f213af3fea15237e02f7da112c0abba36;hp=6efc250256477a7115cae0cff3962da7667be158;hpb=3acb396462f2d6361423b744e489c13ef64c8114;p=r2c2.git

diff --git a/source/libr2c2/signal.cpp b/source/libr2c2/signal.cpp
index 6efc250..a858e0d 100644
--- a/source/libr2c2/signal.cpp
+++ b/source/libr2c2/signal.cpp
@@ -1,4 +1,5 @@
 #include "blockiter.h"
+#include "catalogue.h"
 #include "driver.h"
 #include "layout.h"
 #include "signal.h"
@@ -13,14 +14,13 @@ using namespace Msp;
 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)
 {
@@ -34,6 +34,14 @@ Signal::~Signal()
 	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;
@@ -43,78 +51,86 @@ void Signal::set_address(unsigned 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;
@@ -147,9 +163,16 @@ void Signal::block_reserved(const Block &b, Train *t)
 	{
 		if(t)
 		{
-			train = t;
-			passing = false;
-			check_train_direction = true;
+			const BlockIter &b_iter = t->get_block_allocator().iter_for(b);
+			if(b_iter && b_iter.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
 		{
@@ -177,14 +200,13 @@ void Signal::reset()
 	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));
 }
@@ -193,9 +215,9 @@ void Signal::save(list<DataFile::Statement> &st) const
 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)
@@ -203,14 +225,14 @@ 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