Initial revision

src/osg/NodeVisitor.cpp

@@ -0,0 +1,40 @@
+#include "osg/NodeVisitor"
+#include <stdlib.h>
+
+using namespace osg;
+
+NodeVisitor::NodeVisitor(TraversalMode tm)
+{
+    _traverseVisitor = NULL;
+    _traverseMode = tm;
+}
+
+NodeVisitor::~NodeVisitor()
+{
+    // if (_traverseVisitor) detach from _traverseVisitor;
+}
+
+void NodeVisitor::setTraverseMode(TraversalMode mode)
+{
+    if (_traverseMode==mode) return;
+    if (mode==TRAVERSE_VISITOR)
+    {
+        if (_traverseVisitor==NULL) _traverseMode = TRAVERSE_NONE;
+        else _traverseMode = TRAVERSE_VISITOR;
+    }
+    else
+    {
+        if (_traverseVisitor) _traverseVisitor=NULL;
+        _traverseMode = mode;
+    }
+}
+
+void NodeVisitor::setTraverseVisitor(NodeVisitor* nv)
+{
+    if (_traverseVisitor==nv) return;
+    // if (_traverseVisitor) detach from _traverseVisitor;
+    _traverseVisitor = nv;
+    if (_traverseVisitor) _traverseMode = TRAVERSE_VISITOR;
+    else _traverseMode = TRAVERSE_NONE;
+    // attach to _traverseVisitor;
+}