X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Ftrack.cpp;h=b679af783867f72746793f205179f004a9e02baa;hb=f950f5a77714a155e57c868101911e181a617818;hp=f21aac4d05a438ed6e2dde5b454b548e8e2d86c5;hpb=eab144208f380f638295efac3c5ef234dc39ac54;p=r2c2.git

diff --git a/source/libr2c2/track.cpp b/source/libr2c2/track.cpp
index f21aac4..b679af7 100644
--- a/source/libr2c2/track.cpp
+++ b/source/libr2c2/track.cpp
@@ -12,16 +12,16 @@ using namespace Msp;
 namespace R2C2 {
 
 Track::Track(Layout &l, const TrackType &t):
-	layout(l),
+	Object(l),
 	type(t),
 	block(0),
-	rot(0),
 	slope(0),
 	flex(false),
 	turnout_id(0),
 	sensor_id(0),
 	links(type.get_endpoints().size()),
-	active_path(0)
+	active_path(0),
+	path_changing(false)
 {
 	if(type.is_turnout())
 		turnout_id = layout.allocate_turnout_id();
@@ -40,6 +40,14 @@ Track::~Track()
 	layout.remove_track(*this);
 }
 
+Track *Track::clone(Layout *to_layout) const
+{
+	Track *track = new Track((to_layout ? *to_layout : layout), type);
+	track->set_position(position);
+	track->set_rotation(rotation);
+	return track;
+}
+
 void Track::set_block(Block *b)
 {
 	if(b && !b->has_track(*this))
@@ -60,16 +68,16 @@ Block &Track::get_block() const
 
 void Track::set_position(const Vector &p)
 {
-	pos = p;
+	position = p;
 }
 
 void Track::set_rotation(float r)
 {
-	rot = r;
-	while(rot<0)
-		rot += M_PI*2;
-	while(rot>M_PI*2)
-		rot -= M_PI*2;
+	rotation = r;
+	while(rotation<0)
+		rotation += M_PI*2;
+	while(rotation>M_PI*2)
+		rotation -= M_PI*2;
 }
 
 void Track::set_slope(float s)
@@ -94,8 +102,8 @@ void Track::check_slope()
 	{
 		Vector epp0 = links[0]->get_endpoint_position(links[0]->get_endpoint_by_link(*this));
 		Vector epp1 = links[1]->get_endpoint_position(links[1]->get_endpoint_by_link(*this));
-		pos.z = epp0.z;
-		slope = epp1.z-pos.z;
+		position.z = epp0.z;
+		slope = epp1.z-position.z;
 	}
 	else
 	{
@@ -103,12 +111,12 @@ void Track::check_slope()
 		if(links[0])
 		{
 			Vector epp = links[0]->get_endpoint_position(links[0]->get_endpoint_by_link(*this));
-			pos.z = epp.z;
+			position.z = epp.z;
 		}
 		else if(links[1])
 		{
 			Vector epp = links[1]->get_endpoint_position(links[1]->get_endpoint_by_link(*this));
-			pos.z = epp.z;
+			position.z = epp.z;
 		}
 	}
 }
@@ -143,6 +151,7 @@ void Track::set_active_path(unsigned p)
 	if(!(type.get_paths()&(1<<p)))
 		throw invalid_argument("Track::set_active_path");
 
+	path_changing = true;
 	layout.get_driver().set_turnout(turnout_id, p);
 }
 
@@ -163,10 +172,10 @@ Vector Track::get_endpoint_position(unsigned epi) const
 
 	const TrackType::Endpoint &ep = eps[epi];
 
-	float c = cos(rot);
-	float s = sin(rot);
+	float c = cos(rotation);
+	float s = sin(rotation);
 
-	Vector p(pos.x+c*ep.pos.x-s*ep.pos.y, pos.y+s*ep.pos.x+c*ep.pos.y, pos.z);
+	Vector p(position.x+c*ep.pos.x-s*ep.pos.y, position.y+s*ep.pos.x+c*ep.pos.y, position.z);
 	if(eps.size()==2 && epi==1)
 		p.z += slope;
 	return p;
@@ -180,7 +189,7 @@ float Track::get_endpoint_direction(unsigned epi) const
 
 	const TrackType::Endpoint &ep = eps[epi];
 
-	return rot+ep.dir;
+	return rotation+ep.dir;
 }
 
 bool Track::snap_to(Track &other, bool link, float limit)
@@ -213,9 +222,9 @@ bool Track::snap_to(Track &other, bool link, float limit)
 			{
 				if(!link || (!flex && !other.get_flex()))
 				{
-					set_rotation(other.rot+other_eps[j].dir-eps[i].dir+M_PI);
-					Vector p(epp2.x-(eps[i].pos.x*cos(rot)-eps[i].pos.y*sin(rot)),
-						epp2.y-(eps[i].pos.y*cos(rot)+eps[i].pos.x*sin(rot)),
+					set_rotation(other.rotation+other_eps[j].dir-eps[i].dir+M_PI);
+					Vector p(epp2.x-(eps[i].pos.x*cos(rotation)-eps[i].pos.y*sin(rotation)),
+						epp2.y-(eps[i].pos.y*cos(rotation)+eps[i].pos.x*sin(rotation)),
 						epp2.z);
 					if(eps.size()==2 && i==1)
 						p.z -= slope;
@@ -254,7 +263,7 @@ bool Track::snap(Vector &pt, float &d) const
 		if(dx*dx+dy*dy<1e-4)
 		{
 			pt = epp;
-			d = rot+eps[i].dir;
+			d = rotation+eps[i].dir;
 			return true;
 		}
 	}
@@ -297,11 +306,11 @@ Track *Track::get_link(unsigned i) const
 TrackPoint Track::get_point(unsigned epi, unsigned path, float d) const
 {
 	TrackPoint p = type.get_point(epi, path, d);
-	float c = cos(rot);
-	float s = sin(rot);
+	float c = cos(rotation);
+	float s = sin(rotation);
 
-	p.pos = Vector(pos.x+c*p.pos.x-s*p.pos.y, pos.y+s*p.pos.x+c*p.pos.y, pos.z);
-	p.dir += rot;
+	p.pos = Vector(position.x+c*p.pos.x-s*p.pos.y, position.y+s*p.pos.x+c*p.pos.y, position.z);
+	p.dir += rotation;
 	if(type.get_endpoints().size()==2)
 	{
 		float len = type.get_path_length(path);
@@ -326,11 +335,24 @@ TrackPoint Track::get_point(unsigned epi, float d) const
 	return get_point(epi, active_path, d);
 }
 
-bool Track::collide_ray(const Vector &start, const Vector &ray)
+TrackPoint Track::get_nearest_point(const Vector &p) const
 {
-	Vector local_start(start.x-pos.x, start.y-pos.y, start.z-pos.z);
-	float c = cos(rot);
-	float s = sin(rot);
+	Vector local(p.x-position.x, p.y-position.y, p.z-position.z);
+	float c = cos(rotation);
+	float s = sin(rotation);
+	local = Vector(c*local.x+s*local.y, c*local.y-s*local.x, local.z);
+
+	TrackPoint tp = type.get_nearest_point(local);
+	tp.pos = Vector(position.x+tp.pos.x*c-tp.pos.y*s, position.y+tp.pos.y*c+tp.pos.x*s, position.z+tp.pos.z);
+	tp.dir += rotation;
+	return tp;
+}
+
+bool Track::collide_ray(const Vector &start, const Vector &ray) const
+{
+	Vector local_start(start.x-position.x, start.y-position.y, start.z-position.z);
+	float c = cos(rotation);
+	float s = sin(rotation);
 	local_start = Vector(c*local_start.x+s*local_start.y, c*local_start.y-s*local_start.x, local_start.z);
 	Vector local_ray(c*ray.x+s*ray.y, c*ray.y-s*ray.x, ray.z);
 
@@ -341,8 +363,8 @@ bool Track::collide_ray(const Vector &start, const Vector &ray)
 
 void Track::save(list<DataFile::Statement> &st) const
 {
-	st.push_back((DataFile::Statement("position"), pos.x, pos.y, pos.z));
-	st.push_back((DataFile::Statement("rotation"), rot));
+	st.push_back((DataFile::Statement("position"), position.x, position.y, position.z));
+	st.push_back((DataFile::Statement("rotation"), rotation));
 	st.push_back((DataFile::Statement("slope"), slope));
 	if(turnout_id)
 		st.push_back((DataFile::Statement("turnout_id"), turnout_id));
@@ -360,6 +382,7 @@ void Track::turnout_event(unsigned addr, unsigned state)
 	if(addr==turnout_id)
 	{
 		active_path = state;
+		path_changing = false;
 		signal_path_changed.emit(active_path);
 	}
 }
@@ -369,7 +392,7 @@ Track::Loader::Loader(Track &t):
 	DataFile::ObjectLoader<Track>(t)
 {
 	add("position",   &Loader::position);
-	add("rotation",   &Track::rot);
+	add("rotation",   &Loader::rotation);
 	add("slope",      &Track::slope);
 	add("turnout_id", &Loader::turnout_id);
 	add("sensor_id",  &Loader::sensor_id);
@@ -378,7 +401,12 @@ Track::Loader::Loader(Track &t):
 
 void Track::Loader::position(float x, float y, float z)
 {
-	obj.pos = Vector(x, y, z);
+	obj.position = Vector(x, y, z);
+}
+
+void Track::Loader::rotation(float r)
+{
+	obj.rotation = r;
 }
 
 void Track::Loader::sensor_id(unsigned id)