X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibmarklin%2Ftrack.cpp;h=0a9f1ac83f8977f02935fd6f5838d93265a62278;hb=45ec6f645ff2c303700711e96421c75acf33db1a;hp=b6674aec0a2ea86e8242cc5fd8053a86a8fb57ab;hpb=3df8cb5c78fbb0b919bcb79677c6c788b8028482;p=r2c2.git

diff --git a/source/libmarklin/track.cpp b/source/libmarklin/track.cpp
index b6674ae..0a9f1ac 100644
--- a/source/libmarklin/track.cpp
+++ b/source/libmarklin/track.cpp
@@ -1,11 +1,14 @@
 /* $Id$
 
 This file is part of the MSP Märklin suite
-Copyright © 2006-2009 Mikkosoft Productions, Mikko Rasa
+Copyright © 2006-2010  Mikkosoft Productions, Mikko Rasa
 Distributed under the GPL
 */
 
 #include <cmath>
+#include "block.h"
+#include "driver.h"
+#include "layout.h"
 #include "track.h"
 #include "tracktype.h"
 
@@ -14,58 +17,147 @@ using namespace Msp;
 
 namespace Marklin {
 
-Track::Track(const TrackType &t):
+Track::Track(Layout &l, const TrackType &t):
+	layout(l),
 	type(t),
+	block(0),
 	rot(0),
 	slope(0),
 	flex(false),
-	turnout_id(0),
+	turnout_id(type.is_turnout() ? layout.allocate_turnout_id(type.is_double_address()) : 0),
 	sensor_id(0),
-	links(t.get_endpoints().size())
-{ }
+	links(type.get_endpoints().size()),
+	active_path(0)
+{
+	layout.add_track(*this);
+
+	if(layout.has_driver())
+		layout.get_driver().signal_turnout.connect(sigc::mem_fun(this, &Track::turnout_event));
+
+	for(unsigned paths = type.get_paths(); !(paths&1); ++active_path, paths>>=1) ;
+}
 
 Track::~Track()
 {
 	break_links();
+	layout.remove_track(*this);
+}
+
+void Track::set_block(Block *b)
+{
+	if(b && !b->has_track(*this))
+		throw InvalidParameterValue("Track is not in the Block");
+	if(!b && block && block->has_track(*this))
+		throw InvalidState("Track is still in a Block");
+
+	block = b;
+}
+
+Block &Track::get_block() const
+{
+	if(!block)
+		throw InvalidState("No Block");
+
+	return *block;
 }
 
 void Track::set_position(const Point &p)
 {
-	pos=p;
+	pos = p;
 }
 
 void Track::set_rotation(float r)
 {
-	rot=r;
+	rot = r;
 	while(rot<0)
-		rot+=M_PI*2;
+		rot += M_PI*2;
 	while(rot>M_PI*2)
-		rot-=M_PI*2;
+		rot -= M_PI*2;
 }
 
 void Track::set_slope(float s)
 {
-	if(links.size()!=2) return;
+	if(links.size()!=2)
+		return;
 
-	slope=s;
+	slope = s;
 }
 
 void Track::set_flex(bool f)
 {
-	flex=f;
+	flex = f;
+}
+
+void Track::check_slope()
+{
+	if(links.size()!=2)
+		return;
+
+	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));
+		pos.z = epp0.z;
+		slope = epp1.z-pos.z;
+	}
+	else
+	{
+		slope = 0;
+		if(links[0])
+		{
+			Point 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));
+			pos.z = epp.z;
+		}
+	}
 }
 
 void Track::set_turnout_id(unsigned i)
 {
-	turnout_id=i;
+	if(!type.is_turnout())
+		throw InvalidState("Not a turnout");
+
+	turnout_id = i;
+	layout.create_blocks(*this);
+	layout.update_routes();
+	if(layout.has_driver() && turnout_id)
+	{
+		layout.get_driver().add_turnout(turnout_id);
+		if(type.is_double_address())
+			layout.get_driver().add_turnout(turnout_id+1);
+	}
 }
 
 void Track::set_sensor_id(unsigned i)
 {
-	sensor_id=i;
+	if(type.is_turnout())
+		throw InvalidState("Can't set sensor on a turnout");
+
+	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)
+{
+	if(!turnout_id)
+		throw InvalidState("Not a turnout");
+	if(!(type.get_paths()&(1<<p)))
+		throw InvalidParameterValue("Invalid path");
+
+	layout.get_driver().set_turnout(turnout_id, p&1);
+	if(type.is_double_address())
+		layout.get_driver().set_turnout(turnout_id+1, p&2);
+	else if(type.get_n_paths()>2)
+		active_path = (active_path&1) | (p&2);
 }
 
-int Track::get_endpoint_by_link(const Track &other) const
+int Track::get_endpoint_by_link(Track &other) const
 {
 	for(unsigned i=0; i<links.size(); ++i)
 		if(links[i]==&other)
@@ -76,61 +168,70 @@ int Track::get_endpoint_by_link(const Track &other) const
 
 Point Track::get_endpoint_position(unsigned epi) const
 {
-	const vector<Endpoint> &eps=type.get_endpoints();
+	const vector<TrackType::Endpoint> &eps = type.get_endpoints();
 	if(epi>=eps.size())
-		throw InvalidParameterValue("Endpoint index out of range");
+		throw InvalidParameterValue("TrackType::Endpoint index out of range");
 
-	const Endpoint &ep=eps[epi];
+	const TrackType::Endpoint &ep = eps[epi];
 
-	float c=cos(rot);
-	float s=sin(rot);
+	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);
 	if(eps.size()==2 && epi==1)
-		p.z+=slope;
+		p.z += slope;
 	return p;
 }
 
 float Track::get_endpoint_direction(unsigned epi) const
 {
-	const vector<Endpoint> &eps=type.get_endpoints();
+	const vector<TrackType::Endpoint> &eps = type.get_endpoints();
 	if(epi>=eps.size())
-		throw InvalidParameterValue("Endpoint index out of range");
+		throw InvalidParameterValue("TrackType::Endpoint index out of range");
 
-	const Endpoint &ep=eps[epi];
+	const TrackType::Endpoint &ep = eps[epi];
 
 	return rot+ep.dir;
 }
 
 bool Track::snap_to(Track &other, bool link)
 {
-	float limit=(link && !flex) ? 1e-6 : 1e-4;
-	const vector<Endpoint> &eps=type.get_endpoints();
-	const vector<Endpoint> &other_eps=other.get_type().get_endpoints();
+	float limit = (link && !flex && !other.get_flex()) ? 1e-6 : 1e-4;
+	const vector<TrackType::Endpoint> &eps = type.get_endpoints();
+	const vector<TrackType::Endpoint> &other_eps = other.get_type().get_endpoints();
 
 	for(unsigned i=0; i<eps.size(); ++i)
 	{
-		Point epp=get_endpoint_position(i);
+		Point 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);
-			float dx=epp2.x-epp.x;
-			float dy=epp2.y-epp.y;
+			Point epp2 = other.get_endpoint_position(j);
+			float dx = epp2.x-epp.x;
+			float dy = epp2.y-epp.y;
 			if(dx*dx+dy*dy<limit)
 			{
-				set_rotation(other.rot+other_eps[j].dir-eps[i].dir+M_PI);
-				set_position(Point(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(!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)),
+						epp2.y-(eps[i].pos.y*cos(rot)+eps[i].pos.x*sin(rot)),
+						epp2.z);
+					if(eps.size()==2 && i==1)
+						p.z -= slope;
+					set_position(p);
+				}
 
 				if(link)
 				{
 					if(links[i])
 						break_link(*links[i]);
-					links[i]=&other;
-					other.links[j]=this;
+					links[i] = &other;
+					other.links[j] = this;
+					layout.create_blocks(*this);
 				}
 
 				return true;
@@ -143,17 +244,17 @@ bool Track::snap_to(Track &other, bool link)
 
 bool Track::snap(Point &pt, float &d) const
 {
-	const vector<Endpoint> &eps=type.get_endpoints();
+	const vector<TrackType::Endpoint> &eps = type.get_endpoints();
 
 	for(unsigned i=0; i<eps.size(); ++i)
 	{
-		Point epp=get_endpoint_position(i);
-		float dx=pt.x-epp.x;
-		float dy=pt.y-epp.y;
+		Point epp = get_endpoint_position(i);
+		float dx = pt.x-epp.x;
+		float dy = pt.y-epp.y;
 		if(dx*dx+dy*dy<1e-4)
 		{
-			pt=epp;
-			d=rot+eps[i].dir;
+			pt = epp;
+			d = rot+eps[i].dir;
 			return true;
 		}
 	}
@@ -166,8 +267,10 @@ void Track::break_link(Track &trk)
 	for(vector<Track *>::iterator i=links.begin(); i!=links.end(); ++i)
 		if(*i==&trk)
 		{
-			*i=0;
+			*i = 0;
 			trk.break_link(*this);
+			// XXX Creates the blocks twice
+			layout.create_blocks(*this);
 			return;
 		}
 }
@@ -177,7 +280,7 @@ void Track::break_links()
 	for(vector<Track *>::iterator i=links.begin(); i!=links.end(); ++i)
 		if(Track *trk=*i)
 		{
-			*i=0;
+			*i = 0;
 			trk->break_link(*this);
 		}
 }
@@ -190,131 +293,36 @@ Track *Track::get_link(unsigned i) const
 	return links[i];
 }
 
-void Track::check_slope()
+TrackPoint Track::get_point(unsigned epi, unsigned path, float d) const
 {
-	if(links.size()!=2)
-		return;
+	TrackPoint p = type.get_point(epi, path, d);
+	float c = cos(rot);
+	float s = sin(rot);
 
-	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));
-		pos.z=epp0.z;
-		slope=epp1.z-pos.z;
-	}
-	else
+	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.dir += rot;
+	if(type.get_endpoints().size()==2)
 	{
-		slope=0;
-		if(links[0])
+		float len = type.get_path_length(path);
+		float grade = slope/len;
+		if(epi==0)
 		{
-			Point epp=links[0]->get_endpoint_position(links[0]->get_endpoint_by_link(*this));
-			pos.z=epp.z;
+			p.pos.z += grade*d;
+			p.grade = grade;
 		}
-		else if(links[1])
+		else
 		{
-			Point epp=links[1]->get_endpoint_position(links[1]->get_endpoint_by_link(*this));
-			pos.z=epp.z;
+			p.pos.z += slope-grade*d;
+			p.grade = -grade;
 		}
 	}
-}
-
-int Track::traverse(unsigned i, unsigned route) const
-{
-	const vector<Endpoint> &eps=type.get_endpoints();
-	if(i>=eps.size())
-		throw InvalidParameterValue("Endpoint index out of range");
-
-	const Endpoint &ep=eps[i];
-	
-	if(ep.routes&(1<<route))
-	{
-		// Find the other endpoint for this route
-		for(unsigned j=0; j<eps.size(); ++j)
-			if((eps[j].routes&(1<<route)) && j!=i)
-				return j;
-	}
-	else
-	{
-		// Find an endpoint that's connected to this one and has the requested route
-		for(unsigned j=0; j<eps.size(); ++j)
-			if((eps[j].routes&(1<<route)) && (eps[j].routes&ep.routes))
-				return j;
-	}
-
-	return -1;
-}
-
-Point Track::get_point(unsigned epi, unsigned route, float d) const
-{
-	const vector<Endpoint> &eps=type.get_endpoints();
-	if(epi>=eps.size())
-		throw InvalidParameterValue("Endpoint index out of range");
-
-	float x=eps[epi].pos.x;
-	float y=eps[epi].pos.y;
 
-	const vector<TrackPart> &parts=type.get_parts();
-	const TrackPart *last_part=0;
-	while(1)
-	{
-		for(vector<TrackPart>::const_iterator i=parts.begin(); i!=parts.end(); ++i)
-		{
-			if((eps[epi].routes&(1<<route)) && i->route!=route)
-				continue;
-			if(&*i==last_part)
-				continue;
-
-			vector<Endpoint> part_eps;
-			i->collect_endpoints(part_eps);
-			for(unsigned j=0; j<part_eps.size(); ++j)
-			{
-				float dx=part_eps[j].pos.x-x;
-				float dy=part_eps[j].pos.y-y;
-				if(dx*dx+dy*dy<1e-6)
-				{
-					float plen=i->length;
-					if(i->radius)
-						plen*=abs(i->radius);
-					if(d<plen)
-					{
-						if(j==1)
-							d=plen-d;
-						Point p=i->get_point(d);
-						float c=cos(rot);
-						float s=sin(rot);
-						return Point(pos.x+c*p.x-s*p.y, pos.y+c*p.y+s*p.x);
-					}
-					else if(part_eps.size()>1)
-					{
-						d-=plen;
-						x=part_eps[1-j].pos.x;
-						y=part_eps[1-j].pos.y;
-						last_part=&*i;
-						i=parts.begin();
-						break;
-					}
-					else
-						return pos;
-				}
-			}
-		}
-
-		if(!last_part)
-			throw Exception("Internal error (Endpoint does not match any part)");
-		else
-			return pos;
-	}
+	return p;
 }
 
-Track *Track::copy() const
+TrackPoint Track::get_point(unsigned epi, float d) const
 {
-	Track *trk=new Track(type);
-	trk->set_position(pos);
-	trk->set_rotation(rot);
-	trk->set_slope(slope);
-	trk->set_flex(flex);
-
-	return trk;
+	return get_point(epi, active_path, d);
 }
 
 void Track::save(list<DataFile::Statement> &st) const
@@ -330,21 +338,42 @@ void Track::save(list<DataFile::Statement> &st) const
 		st.push_back((DataFile::Statement("flex"), true));
 }
 
+void Track::turnout_event(unsigned addr, bool state)
+{
+	if(!turnout_id)
+		return;
+
+	if(addr==turnout_id)
+		active_path = (active_path&2) | (state ? 1 : 0);
+	else if(type.is_double_address() && addr==turnout_id+1)
+		active_path = (active_path&1) | (state ? 2 : 0);
+}
+
 
 Track::Loader::Loader(Track &t):
 	DataFile::BasicLoader<Track>(t)
 {
-	add("position",    &Loader::position);
-	add("rotation",    &Track::rot);
-	add("slope",       &Track::slope);
-	add("turnout_id",  &Track::turnout_id);
-	add("sensor_id",   &Track::sensor_id);
-	add("flex",        &Track::flex);
+	add("position",   &Loader::position);
+	add("rotation",   &Track::rot);
+	add("slope",      &Track::slope);
+	add("turnout_id", &Loader::turnout_id);
+	add("sensor_id",  &Loader::sensor_id);
+	add("flex",       &Track::flex);
 }
 
 void Track::Loader::position(float x, float y, float z)
 {
-	obj.pos=Point(x, y, z);
+	obj.pos = Point(x, y, z);
+}
+
+void Track::Loader::sensor_id(unsigned id)
+{
+	obj.set_sensor_id(id);
+}
+
+void Track::Loader::turnout_id(unsigned id)
+{
+	obj.set_turnout_id(id);
 }
 
 } // namespace Marklin