Changeset 273 for osgVisual/trunk/include/util/visual_util.h

Timestamp:

Mar 19, 2011, 5:39:16 PM (13 years ago)

Author:

Torben Dannhauer

Message:

 

File:

• osgVisual/trunk/include/util/visual_util.h (modified) (1 diff)

osgVisual/trunk/include/util/visual_util.h

@@ -296 +296 @@
         static bool strToBool(std::string s);
 
+        template<class T>
+        class FindTopMostNodeOfTypeVisitor : public osg::NodeVisitor
+        {
+        public:
+                FindTopMostNodeOfTypeVisitor():
+                        osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN),
+                        _foundNode(0)
+                {}
+
+                void apply(osg::Node& node)
+                {
+                        T* result = dynamic_cast<T*>(&node);
+                        if (result)
+                        {
+                                _foundNode = result;
+                        }
+                        else
+                        {
+                                traverse(node);
+                        }
+                }
+
+                T* _foundNode;
+        };
+
+        template<class T>
+        static T* findTopMostNodeOfType(osg::Node* node)
+        {
+                if (!node) return 0;
+
+                FindTopMostNodeOfTypeVisitor<T> fnotv;
+                node->accept(fnotv);
+
+                return fnotv._foundNode;
+        }
+
 private: 
         /**