Things with different gauges don't go together

[r2c2.git] / source / libr2c2 / track.cpp

diff --git a/source/libr2c2/track.cpp b/source/libr2c2/track.cpp
index 26886344b0a1312a9bb8023c065ed6220fdcb70c..f1fdd992822180c26ddd5c39a6095bb8145516e4 100644 (file)
--- a/source/libr2c2/track.cpp
+++ b/source/libr2c2/track.cpp
@@ -1,5 +1,6 @@
 #include <cmath>
 #include <msp/core/maputils.h>
+#include <msp/strings/format.h>
 #include "block.h"
 #include "catalogue.h"
 #include "driver.h"
@@ -48,6 +49,7 @@ Track::Track(Layout &l, const TrackType &t):
                        Driver &driver = layout.get_driver();
                        turnout_id = driver.add_turnout(turnout_addr, type);
                        driver.signal_turnout.connect(sigc::mem_fun(this, &Track::turnout_event));
+                       driver.signal_turnout_failed.connect(sigc::mem_fun(this, &Track::turnout_failed));
                }
        }
 
@@ -193,6 +195,9 @@ void Track::set_active_path(unsigned p)
        if(!(type.get_paths()&(1<<p)))
                throw invalid_argument("Track::set_active_path");
 
+       if(active_path==p)
+               return;
+
        signal_path_changing(p);
        path_changing = true;
        layout.get_driver().set_turnout(turnout_id, p);
@@ -315,7 +320,11 @@ bool Track::link_to(Object &other)
        if(!otrack)
                return false;
 
-       float limit = layout.get_catalogue().get_gauge();
+       float gauge_ratio = otrack->get_type().get_gauge()/type.get_gauge();
+       if(gauge_ratio<0.99 || gauge_ratio>1.01)
+               return false;
+
+       float limit = type.get_gauge();
        if(!flex && !otrack->get_flex())
                limit /= 10;
        limit *= limit;
@@ -418,6 +427,15 @@ void Track::turnout_event(unsigned id, unsigned state)
        }
 }
 
+void Track::turnout_failed(unsigned id)
+{
+       if(id==turnout_id)
+       {
+               path_changing = false;
+               layout.emergency(block, "Turnout failed");
+       }
+}
+
 
 Track::Loader::Loader(Track &t):
        DataFile::ObjectLoader<Track>(t)