Allow setting sensor ID for multiple tracks at once

[r2c2.git] / source / libmarklin / block.cpp

diff --git a/source/libmarklin/block.cpp b/source/libmarklin/block.cpp
index 87654e4387df997ac5b125dac1643a4bdd1cf47c..03cb2dc3fa60c259f64590ed015a58f789c11c0f 100644 (file)
--- 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;
        }
 }