minor refactor

src/delta_time.rs

@@ -0,0 +1,12 @@
+use std::time::Duration;
+
+use shipyard::{Unique, AllStoragesView};
+
+#[derive(Unique, Default)]
+pub(crate) struct DeltaTime(pub Duration);
+
+pub fn init_delta_time(
+  storages: AllStoragesView
+) {
+  storages.add_unique(DeltaTime::default())
+}

src/fly_controller.rs

@@ -1,7 +1,7 @@
 use glam::{Vec3, Mat4, Quat, EulerRot, Vec2};
 use shipyard::{Component, View, ViewMut, IntoIter, UniqueView, Workload, IntoWorkload};
 use std::f32::consts::PI;
-use crate::{transform::Transform, input::Inputs, settings::GameSettings, DeltaTime};
+use crate::{transform::Transform, input::Inputs, settings::GameSettings, delta_time::DeltaTime};
 
 #[derive(Component)]
 pub struct FlyController;

src/main.rs

@@ -1,7 +1,7 @@
 use shipyard::{
   World, Workload, IntoWorkload, 
   UniqueView, UniqueViewMut, 
-  NonSendSync, Unique
+  NonSendSync
 };
 use glium::{
   glutin::{
@@ -10,7 +10,7 @@ use glium::{
   }
 };
 use glam::vec3;
-use std::time::{Instant, Duration};
+use std::time::Instant;
 
 mod logging;
 
@@ -25,6 +25,7 @@ pub(crate) mod events;
 pub(crate) mod input;
 pub(crate) mod fly_controller;
 pub(crate) mod block_placement;
+pub(crate) mod delta_time;
 
 use rendering::{
   Renderer, 
@@ -45,17 +46,17 @@ use events::{clear_events, process_glutin_events};
 use input::{init_input, process_inputs};
 use fly_controller::update_controllers;
 use rendering::{
-  selection_box::render_selection_box,
+  selection_box::{render_selection_box, init_selection_box_buffers},
   world::draw_world,
 };
 use block_placement::block_placement_system;
-
-#[derive(Unique)]
-pub(crate) struct DeltaTime(Duration);
+use delta_time::{DeltaTime, init_delta_time};
 
 fn startup() -> Workload {
   (
+    init_delta_time,
     load_prefabs,
+    init_selection_box_buffers,
     init_input,
     init_game_world,
     spawn_player,
@@ -96,7 +97,6 @@ fn main() {
   //Add systems and uniques, Init and load things
   world.add_unique_non_send_sync(Renderer::init(&event_loop));
   world.add_unique(BackgroundColor(vec3(0.5, 0.5, 1.)));
-  world.add_unique(DeltaTime(Duration::default()));
   world.add_unique(GameSettings::default());
 
   //Register workloads

src/rendering/selection_box.rs

@@ -1,4 +1,4 @@
-use shipyard::{View, IntoIter, NonSendSync, UniqueViewMut, UniqueView};
+use shipyard::{View, IntoIter, NonSendSync, UniqueViewMut, UniqueView, AllStoragesView, Unique};
 use glium::{
   Surface, 
   implement_vertex, 
@@ -43,6 +43,9 @@ const fn box_vertices() -> [SelBoxVertex; CUBE_VERTICES.len() / 3] {
 }
 const BOX_VERTICES: &[SelBoxVertex] = &box_vertices();
 
+#[derive(Unique)]
+pub struct SelectionBoxBuffers(VertexBuffer<SelBoxVertex>, IndexBuffer<u16>);
+
 //wip
 pub fn render_selection_box(
   lookat: View<LookingAtBlock>,
@@ -50,27 +53,16 @@ pub fn render_selection_box(
   mut target: NonSendSync<UniqueViewMut<RenderTarget>>, 
   display: NonSendSync<UniqueView<Renderer>>,
   program: NonSendSync<UniqueView<SelBoxShaderPrefab>>,
+  buffers: NonSendSync<UniqueView<SelectionBoxBuffers>>,
 ) {
   let camera = camera.iter().next().unwrap();
   let Some(lookat) = lookat.iter().next() else { return };
   let Some(lookat) = lookat.0 else { return };
 
-  //this may be slow but the amount of vertices is very low
-  let vert = VertexBuffer::new(
-    &display.display,
-    BOX_VERTICES
-  ).unwrap();
-
-  let index = IndexBuffer::new(
-    &display.display,
-    PrimitiveType::TrianglesList, 
-    CUBE_INDICES
-  ).unwrap();
-
   //Darken block
   target.0.draw(
-    &vert,
-    &index,
+    &buffers.0,
+    &buffers.1,
     &program.0,
     &uniform! {
       u_color: [0., 0., 0., 0.5_f32],
@@ -89,3 +81,19 @@ pub fn render_selection_box(
     }
   ).unwrap();
 }
+
+pub fn init_selection_box_buffers(
+  storages: AllStoragesView,
+  display: NonSendSync<UniqueView<Renderer>>
+) {
+  let vert = VertexBuffer::new(
+    &display.display,
+    BOX_VERTICES
+  ).unwrap();
+  let index = IndexBuffer::new(
+    &display.display,
+    PrimitiveType::TrianglesList, 
+    CUBE_INDICES
+  ).unwrap();
+  storages.add_unique_non_send_sync(SelectionBoxBuffers(vert, index));
+}