Make all nodes thread safe

src/nodes/data.rs

@@ -2,7 +2,7 @@ use super::core::Node;
 use crate::core::registry::Registry;
 use anyhow::{ensure, Result};
 use lazy_static::lazy_static;
-use rccell::RcCell;
+use std::sync::Arc;
 
 lazy_static! {
 	static ref PULSE_SENDER_REGISTRY: Registry<PulseSender> = Default::default();
@@ -11,15 +11,15 @@ lazy_static! {
 pub struct PulseSender {}
 
 impl PulseSender {
-	pub fn add_to(node: &RcCell<Node>) -> Result<()> {
+	pub fn add_to(node: &Arc<Node>) -> Result<()> {
 		ensure!(
-			node.borrow().spatial.is_some(),
+			node.spatial.read().is_some(),
 			"Internal: Node does not have a spatial attached!"
 		);
 
 		let sender = PulseSender {};
 		let sender = PULSE_SENDER_REGISTRY.add(sender)?;
-		node.borrow_mut().pulse_sender = Some(sender);
+		*node.pulse_sender.write() = Some(sender);
 		Ok(())
 	}
 }