refactor(fields): submodules for types

src/nodes/fields/sphere.rs

@@ -0,0 +1,81 @@
+use super::{Field, FieldTrait, Node};
+use crate::core::client::Client;
+use crate::nodes::spatial::{get_spatial_parent_flex, Spatial};
+use anyhow::{anyhow, ensure, Result};
+use glam::{Mat4, Vec3A};
+use libstardustxr::flex_to_vec3;
+use portable_atomic::AtomicF32;
+use std::sync::atomic::Ordering;
+use std::sync::Arc;
+
+pub struct SphereField {
+	space: Arc<Spatial>,
+	radius: AtomicF32,
+}
+
+impl SphereField {
+	pub fn add_to(node: &Arc<Node>, radius: f32) -> Result<()> {
+		ensure!(
+			node.spatial.get().is_some(),
+			"Internal: Node does not have a spatial attached!"
+		);
+		ensure!(
+			node.field.get().is_none(),
+			"Internal: Node already has a field attached!"
+		);
+		let sphere_field = SphereField {
+			space: node.spatial.get().unwrap().clone(),
+			radius: AtomicF32::new(radius),
+		};
+		sphere_field.add_field_methods(node);
+		node.add_local_signal("setRadius", SphereField::set_radius_flex);
+		let _ = node.field.set(Arc::new(Field::Sphere(sphere_field)));
+		Ok(())
+	}
+
+	pub fn set_radius(&self, radius: f32) {
+		self.radius.store(radius, Ordering::Relaxed);
+	}
+
+	pub fn set_radius_flex(node: &Node, _calling_client: Arc<Client>, data: &[u8]) -> Result<()> {
+		let root = flexbuffers::Reader::get_root(data)?;
+		if let Field::Sphere(sphere_field) = node.field.get().unwrap().as_ref() {
+			sphere_field.set_radius(root.as_f32());
+		}
+		Ok(())
+	}
+}
+
+impl FieldTrait for SphereField {
+	fn local_distance(&self, p: Vec3A) -> f32 {
+		p.length() - self.radius.load(Ordering::Relaxed)
+	}
+	fn local_normal(&self, p: Vec3A, _r: f32) -> Vec3A {
+		-p.normalize()
+	}
+	fn local_closest_point(&self, p: Vec3A, _r: f32) -> Vec3A {
+		p.normalize() * self.radius.load(Ordering::Relaxed)
+	}
+	fn spatial_ref(&self) -> &Spatial {
+		self.space.as_ref()
+	}
+}
+
+pub fn create_sphere_field_flex(
+	_node: &Node,
+	calling_client: Arc<Client>,
+	data: &[u8],
+) -> Result<()> {
+	let flex_vec = flexbuffers::Reader::get_root(data)?.get_vector()?;
+	let node = Node::create(&calling_client, "/field", flex_vec.idx(0).get_str()?, true);
+	let parent = get_spatial_parent_flex(&calling_client, flex_vec.idx(1).get_str()?)?;
+	let transform = Mat4::from_translation(
+		flex_to_vec3!(flex_vec.idx(2))
+			.ok_or_else(|| anyhow!("Position not found"))?
+			.into(),
+	);
+	let node = node.add_to_scenegraph();
+	Spatial::add_to(&node, Some(parent), transform)?;
+	SphereField::add_to(&node, flex_vec.idx(3).as_f32())?;
+	Ok(())
+}