Nasal: expose missing Canvas::setLayout

[flightgear.git] / src / Scripting / NasalModelData.hxx

diff --git a/src/Scripting/NasalModelData.hxx b/src/Scripting/NasalModelData.hxx
index 8c8b13d6e1dd2e52f0996c414a7505aff25314e6..dbe59b76132207d276039c0d7b39cee46a033645 100644 (file)
--- a/src/Scripting/NasalModelData.hxx
+++ b/src/Scripting/NasalModelData.hxx
@@ -67,7 +67,7 @@ private:
     std::string _module, _path;
     SGPropertyNode_ptr _root, _prop;
     SGConstPropertyNode_ptr _load, _unload;
-    osg::Node *_branch;
+    osg::ref_ptr<osg::Node> _branch;
     unsigned int _module_id;
 };
 
@@ -89,6 +89,8 @@ public:
                       SGPropertyNode *prop,
                       osg::Node *branch );
     
+    virtual FGNasalModelDataProxy* clone() const { return new FGNasalModelDataProxy(_root); }
+
 protected:
     SGPropertyNode_ptr _root;
     FGNasalModelDataRef _data;