X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibmarklin%2Fblock.cpp;h=03cb2dc3fa60c259f64590ed015a58f789c11c0f;hb=80e10207bee4d774f3015a5e946d463d2c828029;hp=87654e4387df997ac5b125dac1643a4bdd1cf47c;hpb=bc955b09faf8365a72d07bb5ee1253c9b958c897;p=r2c2.git

diff --git a/source/libmarklin/block.cpp b/source/libmarklin/block.cpp
index 87654e4..03cb2dc 100644
--- a/source/libmarklin/block.cpp
+++ b/source/libmarklin/block.cpp
@@ -1,3 +1,10 @@
+/* $Id$
+
+This file is part of the MSP Märklin suite
+Copyright © 2006-2009 Mikkosoft Productions, Mikko Rasa
+Distributed under the GPL
+*/
+
 #include "control.h"
 #include "block.h"
 #include "tracktype.h"
@@ -31,7 +38,7 @@ Block::Block(TrafficManager &tm, Track &start):
 		for(unsigned i=0; i<links.size(); ++i)
 			if(links[i] && !tracks.count(links[i]))
 			{
-				if(links[i]->get_sensor_id()==sensor_id)
+				if(links[i]->get_sensor_id()==sensor_id && !links[i]->get_turnout_id() && !track->get_turnout_id())
 				{
 					queue.push_back(links[i]);
 					tracks.insert(links[i]);
@@ -59,7 +66,7 @@ int Block::get_endpoint_by_link(const Block &other) const
 	return -1;
 }
 
-int Block::traverse(unsigned epi) const
+int Block::traverse(unsigned epi, float *len) const
 {
 	if(epi>=endpoints.size())
 		throw InvalidParameterValue("Endpoint index out of range");
@@ -68,6 +75,9 @@ int Block::traverse(unsigned epi) const
 	Track *track=ep.track;
 	unsigned track_ep=ep.track_ep;
 
+	if(len)
+		*len=0;
+
 	while(1)
 	{
 		unsigned cur_route=0;
@@ -78,20 +88,22 @@ int Block::traverse(unsigned epi) const
 			cur_route=turnout.get_route();
 		}
 
+		if(len)
+			*len+=track->get_type().get_route_length(cur_route);
+
 		int other_ep=track->traverse(track_ep, cur_route);
 		if(other_ep<0)
-			return 0;
+			return -1;
 
 		for(unsigned i=0; i<endpoints.size(); ++i)
 			if(endpoints[i].track==track && endpoints[i].track_ep==static_cast<unsigned>(other_ep))
 				return i;
 
 		Track *next=track->get_link(other_ep);
+		if(tracks.count(next)==0)
+			return -1;
 		track_ep=next->get_endpoint_by_link(*track);
 		track=next;
-
-		if(tracks.count(track)==0)
-			return -1;
 	}
 }