Enable Renderer for Endpoint3D and Path3D

[r2c2.git] / source / 3d / track.cpp

diff --git a/source/3d/track.cpp b/source/3d/track.cpp
index f59e61c236926dab6669849b061192ef556488f5..5d31a4de93294f1c2ec46b815ad804aa09767c3b 100644 (file)
--- a/source/3d/track.cpp
+++ b/source/3d/track.cpp
@@ -32,8 +32,16 @@ Track3D::Track3D(Layout3D &l, Track &t):
        layout.get_scene().add(*this);
 
        const vector<TrackType::Endpoint> &type_eps = track.get_type().get_endpoints();
+       const vector<Track *> &links = track.get_links();
        for(unsigned i=0; i<type_eps.size(); ++i)
-               endpoints.push_back(new Endpoint3D(*this, i));
+       {
+               if(!links[i] || links[i]>&track)
+                       endpoints.push_back(new Endpoint3D(*this, i));
+               else
+                       endpoints.push_back(0);
+       }
+
+       track.signal_link_changed.connect(sigc::mem_fun(this, &Track3D::link_changed));
 }
 
 Track3D::~Track3D()
@@ -107,4 +115,18 @@ void Track3D::finish_render(Msp::GL::Renderer &, const GL::Tag &) const
        glPopName();
 }
 
+void Track3D::link_changed(unsigned i, Track *trk)
+{
+       if(!trk || trk>&track)
+       {
+               if(!endpoints[i])
+                       endpoints[i] = new Endpoint3D(*this, i);
+       }
+       else if(endpoints[i])
+       {
+               delete endpoints[i];
+               endpoints[i] = 0;
+       }
+}
+
 } // namespace R2C2