X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibr2c2%2Ftrack.cpp;h=cf496c41ddae554b98da55d62e67bc2b3e0179b4;hb=a20b8421d002629a9f4d97c0c378e9f9cb29e292;hp=c6c1751d7b2388cdadeb78e9824a1fcb6fb544b5;hpb=949b13aae247fa53579ec1cda9142ccc8755acde;p=r2c2.git

diff --git a/source/libr2c2/track.cpp b/source/libr2c2/track.cpp
index c6c1751..cf496c4 100644
--- a/source/libr2c2/track.cpp
+++ b/source/libr2c2/track.cpp
@@ -1,10 +1,3 @@
-/* $Id$
-
-This file is part of R²C²
-Copyright © 2006-2010  Mikkosoft Productions, Mikko Rasa
-Distributed under the GPL
-*/
-
 #include <cmath>
 #include "block.h"
 #include "catalogue.h"
@@ -65,7 +58,7 @@ Block &Track::get_block() const
 	return *block;
 }
 
-void Track::set_position(const Point &p)
+void Track::set_position(const Vector &p)
 {
 	pos = p;
 }
@@ -99,8 +92,8 @@ void Track::check_slope()
 
 	if(links[0] && links[1])
 	{
-		Point epp0 = links[0]->get_endpoint_position(links[0]->get_endpoint_by_link(*this));
-		Point epp1 = links[1]->get_endpoint_position(links[1]->get_endpoint_by_link(*this));
+		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;
 	}
@@ -109,12 +102,12 @@ void Track::check_slope()
 		slope = 0;
 		if(links[0])
 		{
-			Point epp = links[0]->get_endpoint_position(links[0]->get_endpoint_by_link(*this));
+			Vector epp = links[0]->get_endpoint_position(links[0]->get_endpoint_by_link(*this));
 			pos.z = epp.z;
 		}
 		else if(links[1])
 		{
-			Point epp = links[1]->get_endpoint_position(links[1]->get_endpoint_by_link(*this));
+			Vector epp = links[1]->get_endpoint_position(links[1]->get_endpoint_by_link(*this));
 			pos.z = epp.z;
 		}
 	}
@@ -162,7 +155,7 @@ int Track::get_endpoint_by_link(Track &other) const
 	return -1;
 }
 
-Point Track::get_endpoint_position(unsigned epi) const
+Vector Track::get_endpoint_position(unsigned epi) const
 {
 	const vector<TrackType::Endpoint> &eps = type.get_endpoints();
 	if(epi>=eps.size())
@@ -173,7 +166,7 @@ Point Track::get_endpoint_position(unsigned epi) const
 	float c = cos(rot);
 	float s = sin(rot);
 
-	Point 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(pos.x+c*ep.pos.x-s*ep.pos.y, pos.y+s*ep.pos.x+c*ep.pos.y, pos.z);
 	if(eps.size()==2 && epi==1)
 		p.z += slope;
 	return p;
@@ -205,14 +198,14 @@ bool Track::snap_to(Track &other, bool link, float limit)
 
 	for(unsigned i=0; i<eps.size(); ++i)
 	{
-		Point epp = get_endpoint_position(i);
+		Vector epp = get_endpoint_position(i);
 
 		for(unsigned j=0; j<other_eps.size(); ++j)
 		{
 			if(other.get_link(j))
 				continue;
 
-			Point epp2 = other.get_endpoint_position(j);
+			Vector epp2 = other.get_endpoint_position(j);
 			float dx = epp2.x-epp.x;
 			float dy = epp2.y-epp.y;
 			float dz = epp2.z-epp.z;
@@ -221,7 +214,7 @@ 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);
-					Point p(epp2.x-(eps[i].pos.x*cos(rot)-eps[i].pos.y*sin(rot)),
+					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)),
 						epp2.z);
 					if(eps.size()==2 && i==1)
@@ -249,13 +242,13 @@ bool Track::snap_to(Track &other, bool link, float limit)
 	return false;
 }
 
-bool Track::snap(Point &pt, float &d) const
+bool Track::snap(Vector &pt, float &d) const
 {
 	const vector<TrackType::Endpoint> &eps = type.get_endpoints();
 
 	for(unsigned i=0; i<eps.size(); ++i)
 	{
-		Point epp = get_endpoint_position(i);
+		Vector epp = get_endpoint_position(i);
 		float dx = pt.x-epp.x;
 		float dy = pt.y-epp.y;
 		if(dx*dx+dy*dy<1e-4)
@@ -307,7 +300,7 @@ TrackPoint Track::get_point(unsigned epi, unsigned path, float d) const
 	float c = cos(rot);
 	float s = sin(rot);
 
-	p.pos = Point(pos.x+c*p.pos.x-s*p.pos.y, pos.y+s*p.pos.x+c*p.pos.y, pos.z);
+	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;
 	if(type.get_endpoints().size()==2)
 	{
@@ -333,6 +326,19 @@ 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)
+{
+	Vector local_start(start.x-pos.x, start.y-pos.y, start.z-pos.z);
+	float c = cos(rot);
+	float s = sin(rot);
+	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);
+
+	float width = layout.get_catalogue().get_ballast_profile().get_width();
+
+	return type.collide_ray(local_start, local_ray, width);
+}
+
 void Track::save(list<DataFile::Statement> &st) const
 {
 	st.push_back((DataFile::Statement("position"), pos.x, pos.y, pos.z));
@@ -372,7 +378,7 @@ Track::Loader::Loader(Track &t):
 
 void Track::Loader::position(float x, float y, float z)
 {
-	obj.pos = Point(x, y, z);
+	obj.pos = Vector(x, y, z);
 }
 
 void Track::Loader::sensor_id(unsigned id)