idk switching to bevy ecs again

src/client/system/voxel_grid.rs

@@ -1,49 +1,36 @@
-use evenio::{
-    event::{EventMut, GlobalEvent, Insert, ReceiverMut, Sender, Spawn},
-    fetch::Single,
+use bevy_ecs::{
+    query::{Changed, Or},
+    system::{Query, Res},
 };
-use nalgebra::{Rotation3, Vector3};
+use nalgebra::Vector3;
 use ndarray::Axis;
 
 use crate::{
     client::{
-        component::RenderComponent,
+        component::RenderResource,
         render::{CreateVoxelGrid, RenderMessage},
     },
     world::component::{Orientation, Pos, VoxelGrid},
 };
 
-#[derive(GlobalEvent)]
-pub struct SpawnVoxelGrid {
-    pub pos: Vector3<f32>,
-    pub orientation: Rotation3<f32>,
-    pub grid: VoxelGrid,
-}
-
-pub fn handle_create_grid(
-    r: ReceiverMut<SpawnVoxelGrid>,
-    renderer: Single<&RenderComponent>,
-    mut s: Sender<(Spawn, Insert<Pos>, Insert<Orientation>, Insert<VoxelGrid>)>,
+pub fn update_renderer(
+    query: Query<
+        (&Pos, &Orientation, &VoxelGrid),
+        Or<(Changed<Pos>, Changed<Orientation>, Changed<VoxelGrid>)>,
+    >,
+    renderer: Res<RenderResource>,
 ) {
-    let SpawnVoxelGrid {
-        pos,
-        orientation,
-        grid,
-    } = EventMut::take(r.event);
-    renderer
-        .send(RenderMessage::CreateVoxelGrid(CreateVoxelGrid {
-            pos,
-            orientation,
+    for (pos, orientation, grid) in query.iter() {
+        println!("YAY");
+        renderer.send(RenderMessage::CreateVoxelGrid(CreateVoxelGrid {
+            pos: **pos,
+            orientation: **orientation,
             dimensions: Vector3::new(
                 grid.len_of(Axis(0)),
                 grid.len_of(Axis(1)),
                 grid.len_of(Axis(2)),
             ),
             grid: grid.iter().cloned().collect(),
-        }))
-        .expect("render broke");
-    let e = s.spawn();
-    s.insert(e, Pos(pos));
-    s.insert(e, Orientation(orientation));
-    s.insert(e, grid);
+        }));
+    }
 }