X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Ftrack.cpp;h=8ecb9b9bac00833eaa70190982fcb1933b43e9ae;hb=d41f66805bc9fe0b33e3d46b47f52e67b5782028;hp=7b9a4a2d70b30febaf96ebf917cb284153ba44ac;hpb=0b75458245997b9df6da47cc4534341c8426084b;p=r2c2.git

diff --git a/source/libr2c2/track.cpp b/source/libr2c2/track.cpp
index 7b9a4a2..8ecb9b9 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):
@@ -26,7 +42,7 @@ Track::Track(Layout &l, const TrackType &t):
 	if(type.is_turnout())
 		turnout_id = layout.allocate_turnout_id();
 
-	layout.add_track(*this);
+	layout.add(*this);
 
 	if(layout.has_driver())
 		layout.get_driver().signal_turnout.connect(sigc::mem_fun(this, &Track::turnout_event));
@@ -37,7 +53,7 @@ Track::Track(Layout &l, const TrackType &t):
 Track::~Track()
 {
 	break_links();
-	layout.remove_track(*this);
+	layout.remove(*this);
 }
 
 Track *Track::clone(Layout *to_layout) const
@@ -69,23 +85,25 @@ Block &Track::get_block() const
 void Track::set_position(const Vector &p)
 {
 	position = p;
+	signal_moved.emit();
+	propagate_slope();
 }
 
-void Track::set_rotation(float r)
+void Track::set_rotation(const Angle &r)
 {
-	rotation = r;
-	while(rotation<0)
-		rotation += M_PI*2;
-	while(rotation>M_PI*2)
-		rotation -= M_PI*2;
+	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)
@@ -93,6 +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)
@@ -104,10 +129,10 @@ 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
 	{
-		slope = 0;
 		if(links[0])
 		{
 			Vector epp = links[0]->get_snap_node(links[0]->get_link_slot(*this)).position;
@@ -116,15 +141,19 @@ void Track::check_slope()
 		else if(links[1])
 		{
 			Vector epp = links[1]->get_snap_node(links[1]->get_link_slot(*this)).position;
-			position.z = epp.z;
+			position.z = epp.z-slope;
 		}
 	}
+
+	signal_moved.emit();
 }
 
 void Track::set_turnout_id(unsigned i)
 {
 	if(!type.is_turnout())
 		throw logic_error("not a turnout");
+	if(!i)
+		throw invalid_argument("Track::set_turnout_id");
 
 	turnout_id = i;
 	layout.create_blocks(*this);
@@ -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)
@@ -151,38 +178,36 @@ 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
+OrientedPoint Track::get_point(unsigned epi, unsigned path, float d) const
 {
-	TrackPoint p = type.get_point(epi, path, d);
-	float c = cos(rotation);
-	float s = sin(rotation);
+	OrientedPoint p = type.get_point(epi, path, d);
 
-	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;
+	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);
 }
@@ -201,10 +226,7 @@ Snap Track::get_snap_node(unsigned i) const
 	Snap result;
 	const TrackType::Endpoint &ep = eps[i];
 
-	float c = cos(rotation);
-	float s = sin(rotation);
-
-	result.position = Vector(position.x+c*ep.pos.x-s*ep.pos.y, position.y+s*ep.pos.x+c*ep.pos.y, position.z);
+	result.position = position+rotated_vector(ep.pos, rotation);
 	if(eps.size()==2 && i==1)
 		result.position.z += slope;
 
@@ -220,17 +242,14 @@ bool Track::snap(Snap &sn, float limit, SnapType what) const
 
 	if(what&SNAP_SEGMENT)
 	{
-		Vector local(sn.position.x-position.x, sn.position.y-position.y, sn.position.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);
-		Vector d(local.x-tp.pos.x, local.y-tp.pos.y, local.z-tp.pos.z);
-		if(d.x*d.x+d.y*d.y+d.z*d.z<=limit*limit)
+		Vector local = rotated_vector(sn.position-position, -rotation);
+
+		OrientedPoint np = type.get_nearest_point(local);
+		Vector span = local-np.position;
+		if(dot(span, span)<=limit*limit)
 		{
-			sn.position = 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);
-			sn.rotation = tp.dir+rotation;
+			sn.position = position+rotated_vector(np.position, rotation);
+			sn.rotation = np.rotation+rotation;
 			return true;
 		}
 	}
@@ -287,18 +306,15 @@ bool Track::link_to(Object &other)
 		for(unsigned j=0; j<other_nsn; ++j)
 		{
 			Snap osn = other.get_snap_node(j);
-			Vector d(osn.position.x-sn.position.x, osn.position.y-sn.position.y, osn.position.z-sn.position.z);
-			float da = osn.rotation-sn.rotation-M_PI;
-			while(da<-M_PI)
-				da += M_PI*2;
-			while(da>M_PI)
-				da -= M_PI*2;
-
-			if(d.x*d.x+d.y*d.y<limit && d.z*d.z<limit && da>-0.01 && da<0.01)
+			Vector span = osn.position-sn.position;
+			Angle da = wrap_balanced(osn.rotation-sn.rotation-Angle::half_turn());
+
+			if(dot(span, span)<limit && abs(da).radians()<0.01)
 			{
 				break_link(i);
 				links[i] = otrack;
 				otrack->links[j] = this;
+				check_slope();
 				layout.create_blocks(*this);
 
 				signal_link_changed.emit(i, otrack);
@@ -329,24 +345,33 @@ bool Track::break_link(unsigned i)
 	return true;
 }
 
-bool Track::collide_ray(const Vector &start, const Vector &ray) const
+void Track::add_attachment(TrackAttachment &a)
 {
-	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);
+	if(find(attachments.begin(), attachments.end(), &a)!=attachments.end())
+		throw key_error(&a);
+	attachments.push_back(&a);
+}
 
-	float width = layout.get_catalogue().get_ballast_profile().get_width();
+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);
+}
 
-	return type.collide_ray(local_start, local_ray, width);
+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));
-	st.push_back((DataFile::Statement("slope"), slope));
+	st.push_back((DataFile::Statement("rotation"), rotation.radians()));
+	st.push_back((DataFile::Statement("tilt"), tilt.radians()));
 	if(turnout_id)
 		st.push_back((DataFile::Statement("turnout_id"), turnout_id));
 	if(sensor_id)
@@ -374,20 +399,23 @@ 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 = r;
+	obj.set_rotation(Angle::from_radians(r));
 }
 
 void Track::Loader::sensor_id(unsigned id)
@@ -395,6 +423,16 @@ 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);