#define _SG_USERDATA_HXX
#include <simgear/compiler.h>
+#include <simgear/math/sg_random.h>
#include <osg/Node>
/**
* Get a random model.
*/
-osg::Node* sgGetRandomModel(SGMatModel *obj);
+osg::Node* sgGetRandomModel(SGMatModel *obj, mt seed);
+
+namespace simgear
+{
+/**
+ * Get the property root for the simulation
+ */
+SGPropertyNode* getPropertyRoot();
+}
#endif // _SG_USERDATA_HXX