X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Ftrack.cpp;h=4708db5d40de6c79d26de28ef61af696afe6f48d;hb=a5e1363ceac1ab552849640c9021fcda362c4416;hp=ecb86bbad33ad02e20699a05ef7655eb3d2d30a0;hpb=2922bc5d2ba68979d186fd09df8b4ec6ba98402b;p=r2c2.git

diff --git a/source/libr2c2/track.cpp b/source/libr2c2/track.cpp
index ecb86bb..4708db5 100644
--- a/source/libr2c2/track.cpp
+++ b/source/libr2c2/track.cpp
@@ -1,14 +1,30 @@
 #include <cmath>
+#include <msp/core/maputils.h>
 #include "block.h"
 #include "catalogue.h"
 #include "driver.h"
 #include "layout.h"
 #include "track.h"
+#include "trackattachment.h"
 #include "tracktype.h"
 
 using namespace std;
 using namespace Msp;
 
+namespace {
+
+struct AttachmentCompare
+{
+	unsigned entry;
+
+	AttachmentCompare(unsigned e): entry(e) { }
+
+	bool operator()(const R2C2::TrackAttachment *a1, const R2C2::TrackAttachment *a2) const
+	{ return a1->get_offset_from_endpoint(entry)<a2->get_offset_from_endpoint(entry); }
+};
+
+}
+
 namespace R2C2 {
 
 Track::Track(Layout &l, const TrackType &t):
@@ -69,22 +85,25 @@ Block &Track::get_block() const
 void Track::set_position(const Vector &p)
 {
 	position = p;
-	for(vector<Track *>::const_iterator i=links.begin(); i!=links.end(); ++i)
-		if(*i)
-			(*i)->check_slope();
+	signal_moved.emit();
+	propagate_slope();
 }
 
 void Track::set_rotation(const Angle &r)
 {
 	rotation = wrap_positive(r);
+	signal_moved.emit();
 }
 
-void Track::set_slope(float s)
+void Track::set_tilt(const Angle &t)
 {
 	if(links.size()!=2)
 		return;
 
-	slope = s;
+	tilt = t;
+	slope = tan(tilt)*type.get_path_length(0);
+	signal_moved.emit();
+	propagate_slope();
 }
 
 void Track::set_flex(bool f)
@@ -92,6 +111,13 @@ void Track::set_flex(bool f)
 	flex = f;
 }
 
+void Track::propagate_slope()
+{
+	for(vector<Track *>::const_iterator i=links.begin(); i!=links.end(); ++i)
+		if(*i)
+			(*i)->check_slope();
+}
+
 void Track::check_slope()
 {
 	if(links.size()!=2)
@@ -103,6 +129,7 @@ void Track::check_slope()
 		Vector epp1 = links[1]->get_snap_node(links[1]->get_link_slot(*this)).position;
 		position.z = epp0.z;
 		slope = epp1.z-position.z;
+		tilt = Geometry::atan(slope/type.get_path_length(0));
 	}
 	else
 	{
@@ -117,6 +144,8 @@ void Track::check_slope()
 			position.z = epp.z-slope;
 		}
 	}
+
+	signal_moved.emit();
 }
 
 void Track::set_turnout_id(unsigned i)
@@ -140,8 +169,6 @@ void Track::set_sensor_id(unsigned i)
 
 	sensor_id = i;
 	layout.create_blocks(*this);
-	if(layout.has_driver() && sensor_id)
-		layout.get_driver().add_sensor(sensor_id);
 }
 
 void Track::set_active_path(unsigned p)
@@ -151,36 +178,43 @@ void Track::set_active_path(unsigned p)
 	if(!(type.get_paths()&(1<<p)))
 		throw invalid_argument("Track::set_active_path");
 
+	signal_path_changing(p);
 	path_changing = true;
 	layout.get_driver().set_turnout(turnout_id, p);
 }
 
-TrackPoint Track::get_point(unsigned epi, unsigned path, float d) const
+float Track::get_path_length(int p) const
 {
-	TrackPoint p = type.get_point(epi, path, d);
+	if(p<0)
+		p = active_path;
+	return type.get_path_length(p);
+}
 
-	p.pos = position+rotated_vector(p.pos, rotation);
-	p.dir += rotation;
+OrientedPoint Track::get_point(unsigned epi, unsigned path, float d) const
+{
+	OrientedPoint p = type.get_point(epi, path, d);
+
+	p.position = position+rotated_vector(p.position, rotation);
+	p.rotation += rotation;
 	if(type.get_endpoints().size()==2)
 	{
-		float len = type.get_path_length(path);
-		float grade = slope/len;
+		float dz = tan(tilt)*d;
 		if(epi==0)
 		{
-			p.pos.z += grade*d;
-			p.grade = grade;
+			p.position.z += dz;
+			p.tilt = tilt;
 		}
 		else
 		{
-			p.pos.z += slope-grade*d;
-			p.grade = -grade;
+			p.position.z += slope-dz;
+			p.tilt = -tilt;
 		}
 	}
 
 	return p;
 }
 
-TrackPoint Track::get_point(unsigned epi, float d) const
+OrientedPoint Track::get_point(unsigned epi, float d) const
 {
 	return get_point(epi, active_path, d);
 }
@@ -217,12 +251,12 @@ bool Track::snap(Snap &sn, float limit, SnapType what) const
 	{
 		Vector local = rotated_vector(sn.position-position, -rotation);
 
-		TrackPoint tp = type.get_nearest_point(local);
-		Vector span = local-tp.pos;
+		OrientedPoint np = type.get_nearest_point(local);
+		Vector span = local-np.position;
 		if(dot(span, span)<=limit*limit)
 		{
-			sn.position = position+rotated_vector(tp.pos, rotation);
-			sn.rotation = tp.dir+rotation;
+			sn.position = position+rotated_vector(np.position, rotation);
+			sn.rotation = np.rotation+rotation;
 			return true;
 		}
 	}
@@ -318,11 +352,33 @@ bool Track::break_link(unsigned i)
 	return true;
 }
 
+void Track::add_attachment(TrackAttachment &a)
+{
+	if(find(attachments.begin(), attachments.end(), &a)!=attachments.end())
+		throw key_error(&a);
+	attachments.push_back(&a);
+}
+
+void Track::remove_attachment(TrackAttachment &a)
+{
+	AttachmentList::iterator i = find(attachments.begin(), attachments.end(), &a);
+	if(i==attachments.end())
+		throw key_error(&a);
+	attachments.erase(i);
+}
+
+Track::AttachmentList Track::get_attachments_ordered(unsigned epi) const
+{
+	AttachmentList result = attachments;
+	result.sort(AttachmentCompare(epi));
+	return result;
+}
+
 void Track::save(list<DataFile::Statement> &st) const
 {
 	st.push_back((DataFile::Statement("position"), position.x, position.y, position.z));
 	st.push_back((DataFile::Statement("rotation"), rotation.radians()));
-	st.push_back((DataFile::Statement("slope"), slope));
+	st.push_back((DataFile::Statement("tilt"), tilt.radians()));
 	if(turnout_id)
 		st.push_back((DataFile::Statement("turnout_id"), turnout_id));
 	if(sensor_id)
@@ -350,20 +406,23 @@ Track::Loader::Loader(Track &t):
 {
 	add("position",   &Loader::position);
 	add("rotation",   &Loader::rotation);
-	add("slope",      &Track::slope);
+	add("tilt",       &Loader::tilt);
 	add("turnout_id", &Loader::turnout_id);
 	add("sensor_id",  &Loader::sensor_id);
 	add("flex",       &Track::flex);
+
+	// deprecated
+	add("slope",      &Loader::slope);
 }
 
 void Track::Loader::position(float x, float y, float z)
 {
-	obj.position = Vector(x, y, z);
+	obj.set_position(Vector(x, y, z));
 }
 
 void Track::Loader::rotation(float r)
 {
-	obj.rotation = Angle::from_radians(r);
+	obj.set_rotation(Angle::from_radians(r));
 }
 
 void Track::Loader::sensor_id(unsigned id)
@@ -371,6 +430,16 @@ void Track::Loader::sensor_id(unsigned id)
 	obj.set_sensor_id(id);
 }
 
+void Track::Loader::slope(float s)
+{
+	obj.set_tilt(Geometry::atan(s/obj.type.get_path_length(0)));
+}
+
+void Track::Loader::tilt(float t)
+{
+	obj.set_tilt(Angle::from_radians(t));
+}
+
 void Track::Loader::turnout_id(unsigned id)
 {
 	obj.set_turnout_id(id);