89 lines
2.4 KiB
Rust
89 lines
2.4 KiB
Rust
use super::{Field, FieldTrait, Node};
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use crate::core::client::Client;
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use crate::nodes::spatial::{find_spatial_parent, Spatial};
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use color_eyre::eyre::{ensure, Result};
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use glam::{Mat4, Vec3A};
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use mint::Vector3;
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use portable_atomic::AtomicF32;
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use serde::Deserialize;
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use stardust_xr::schemas::flex::deserialize;
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use std::sync::atomic::Ordering;
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use std::sync::Arc;
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pub struct SphereField {
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space: Arc<Spatial>,
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radius: AtomicF32,
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}
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impl SphereField {
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pub fn add_to(node: &Arc<Node>, radius: f32) -> Result<()> {
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ensure!(
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node.spatial.get().is_some(),
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"Internal: Node does not have a spatial attached!"
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);
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ensure!(
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node.field.get().is_none(),
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"Internal: Node already has a field attached!"
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);
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let sphere_field = SphereField {
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space: node.spatial.get().unwrap().clone(),
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radius: AtomicF32::new(radius),
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};
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sphere_field.add_field_methods(node);
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node.add_local_signal("set_radius", SphereField::set_radius_flex);
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let _ = node.field.set(Arc::new(Field::Sphere(sphere_field)));
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Ok(())
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}
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pub fn set_radius(&self, radius: f32) {
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self.radius.store(radius, Ordering::Relaxed);
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}
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pub fn set_radius_flex(node: &Node, _calling_client: Arc<Client>, data: &[u8]) -> Result<()> {
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let Field::Sphere(sphere_field) = node.field.get().unwrap().as_ref() else { return Ok(()) };
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sphere_field.set_radius(deserialize(data)?);
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Ok(())
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}
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}
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impl FieldTrait for SphereField {
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fn local_distance(&self, p: Vec3A) -> f32 {
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p.length() - self.radius.load(Ordering::Relaxed)
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}
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fn local_normal(&self, p: Vec3A, _r: f32) -> Vec3A {
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-p.normalize()
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}
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fn local_closest_point(&self, p: Vec3A, _r: f32) -> Vec3A {
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p.normalize() * self.radius.load(Ordering::Relaxed)
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}
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fn spatial_ref(&self) -> &Spatial {
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self.space.as_ref()
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}
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}
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pub fn create_sphere_field_flex(
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_node: &Node,
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calling_client: Arc<Client>,
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data: &[u8],
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) -> Result<()> {
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#[derive(Deserialize)]
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struct CreateFieldInfo<'a> {
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name: &'a str,
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parent_path: &'a str,
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origin: Option<Vector3<f32>>,
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radius: f32,
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}
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let info: CreateFieldInfo = deserialize(data)?;
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let node = Node::create(&calling_client, "/field", info.name, true);
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let parent = find_spatial_parent(&calling_client, info.parent_path)?;
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let transform = Mat4::from_translation(
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info.origin
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.unwrap_or_else(|| Vector3::from([0.0; 3]))
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.into(),
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);
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let node = node.add_to_scenegraph();
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Spatial::add_to(&node, Some(parent), transform, false)?;
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SphereField::add_to(&node, info.radius)?;
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Ok(())
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}
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