refactor(spatial): store weak reference to parent node

src/core/client.rs

@@ -1,23 +1,24 @@
 use super::scenegraph::Scenegraph;
-use crate::nodes::core::{Node, NodeRef};
 use libstardustxr::messenger::Messenger;
 use mio::net::UnixStream;
 use std::rc::{Rc, Weak};
 
 pub struct Client<'a> {
 	messenger: Rc<Messenger<'a>>,
-	pub scenegraph: Scenegraph<'a>,
+	pub scenegraph: Option<Scenegraph<'a>>,
 }
 
 impl<'a> Client<'a> {
 	pub fn from_connection(connection: UnixStream) -> Self {
-		Client {
-			scenegraph: Default::default(),
+		let mut client = Client {
+			scenegraph: None,
 			messenger: Rc::new(Messenger::new(connection)),
-		}
+		};
+		client.scenegraph = Some(Scenegraph::new(&mut client));
+		client
 	}
 	pub fn dispatch(&self) -> Result<(), std::io::Error> {
-		self.messenger.dispatch(&self.scenegraph)
+		self.messenger.dispatch(self.scenegraph.as_ref().unwrap())
 	}
 
 	pub fn get_weak_messenger(&self) -> Weak<Messenger<'a>> {