X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Ftrack.cpp;h=4708db5d40de6c79d26de28ef61af696afe6f48d;hb=a5e1363ceac1ab552849640c9021fcda362c4416;hp=2a7cc6adc4b8ccc4c7c66ab8e8c5a9e037db9073;hpb=a4a6af55ad5a9bfa14067532b1d1c914ef4c6668;p=r2c2.git

diff --git a/source/libr2c2/track.cpp b/source/libr2c2/track.cpp
index 2a7cc6a..4708db5 100644
--- a/source/libr2c2/track.cpp
+++ b/source/libr2c2/track.cpp
@@ -183,31 +183,38 @@ void Track::set_active_path(unsigned p)
 	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);
+}
+
+OrientedPoint Track::get_point(unsigned epi, unsigned path, float d) const
+{
+	OrientedPoint p = type.get_point(epi, path, d);
 
-	p.pos = position+rotated_vector(p.pos, rotation);
-	p.dir += rotation;
+	p.position = position+rotated_vector(p.position, rotation);
+	p.rotation += rotation;
 	if(type.get_endpoints().size()==2)
 	{
-		float grade = tan(tilt);
+		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);
 }
@@ -244,12 +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;
 		}
 	}