Initial revision

include/osg/Switch

@@ -0,0 +1,45 @@
+#ifndef OSG_SWITCH
+#define OSG_SWITCH 1
+
+#include <osg/Group>
+
+namespace osg {
+
+/** Switch - Group node which allows switching between children.
+    Typical uses would be for objects which might need to be rendered
+    differently at different times, for instance a switch could be used 
+    to represent the different states of a traffic light.
+*/
+class SG_EXPORT Switch : public Group
+{
+    public :
+        
+        enum SwitchType {
+            ALL_CHILDREN_ON=-1,
+            ALL_CHILDREN_OFF=-2
+        };
+
+        Switch();
+
+        virtual Object* clone() const { return new Switch(); }
+        virtual bool isSameKindAs(Object* obj) { return dynamic_cast<Switch*>(obj)!=NULL; }
+        virtual const char* className() const { return "Switch"; }
+        virtual void accept(NodeVisitor& nv) { nv.apply(*this); }
+        virtual void traverse(NodeVisitor& nv);
+        
+        void setVal(int val) { _value = val; }
+        int getVal() const { return _value; }
+
+    protected :
+    
+        virtual ~Switch() {}
+        
+        virtual bool readLocalData(Input& fr);
+        virtual bool writeLocalData(Output& fw);
+
+        int _value;
+};
+
+};
+
+#endif