refactor(node): return weak reference and store Rc in scenegraph

src/nodes/spatial.rs

@@ -1,11 +1,26 @@
 use super::core::Node;
+use crate::core::client::Client;
+use anyhow::Result;
+use std::cell::RefCell;
+use std::rc::Weak;
+use vek::mat::repr_c::row_major::Mat4;
 
-pub struct Spatial<'a> {
-	node: &'a Node<'a>,
+pub struct Spatial {
+	transform: Mat4<f32>,
 }
 
-impl<'a> Spatial<'a> {
-	pub fn new(node: &'a Node<'a>) -> Self {
-		Spatial { node }
+impl<'a> Spatial {
+	pub fn new(transform: Mat4<f32>) -> Self {
+		Spatial { transform }
+	}
+
+	pub fn new_node(
+		client: Option<&'a Client<'a>>,
+		path: &str,
+		transform: Mat4<f32>,
+	) -> Result<Weak<RefCell<Node<'a>>>> {
+		let node = Node::from_path(client, path)?;
+		node.upgrade().unwrap().borrow_mut().spatial = Some(Spatial::new(transform));
+		Ok(node)
 	}
 }