void gf_sg_parent_reset(GF_Node *node)
{
	gf_node_unregister_children(node, ((GF_ParentNode *)node)->children);
	((GF_ParentNode *)node)->children = NULL;
}
void gf_sg_parent_reset(GF_Node *node)
{
	gf_node_unregister_children(node, ((GF_ParentNode *)node)->children);
	((GF_ParentNode *)node)->children = NULL;
}