Avoid to use Arc for not Send/Sync reference

src/core/app/context.rs

@@ -1,4 +1,7 @@
-use std::sync::{Arc, RwLock};
+use std::{
+    rc::Rc,
+    sync::{Arc, RwLock},
+};
 
 use egui_winit_vulkano::Gui;
 use vulkano::{
@@ -35,19 +38,19 @@ pub struct ApplicationContext {
     pub window_id: WindowId,
 
     // Données mutables partagées avec Arc<Mutex<>>
-    pub vulkano_windows: Arc<RwLock<VulkanoWindows>>,
+    pub vulkano_windows: Rc<RwLock<VulkanoWindows>>,
     pub input_manager: Arc<RwLock<InputManager>>,
     pub timer: Arc<RwLock<Timer>>,
-    pub gui: Arc<RwLock<Gui>>,
+    pub gui: Rc<RwLock<Gui>>,
 }
 
 impl ApplicationContext {
     pub fn new(
         vulkan_context: Arc<VulkanContext>,
-        vulkano_windows: Arc<RwLock<VulkanoWindows>>,
+        vulkano_windows: Rc<RwLock<VulkanoWindows>>,
         input_manager: Arc<RwLock<InputManager>>,
         timer: Arc<RwLock<Timer>>,
-        gui: Arc<RwLock<Gui>>,
+        gui: Rc<RwLock<Gui>>,
         event_loop_proxy: EventLoopProxy<UserEvent>,
         window_id: WindowId,
     ) -> Self {

src/core/app/mod.rs

@@ -1,4 +1,5 @@
 use std::collections::HashMap;
+use std::rc::Rc;
 use std::sync::{Arc, RwLock};
 
 use super::render::vulkan_context::VulkanContext;
@@ -27,15 +28,15 @@ pub const DEPTH_IMAGE_ID: usize = 0;
 
 pub struct App {
     vulkan_context: Arc<VulkanContext>,
-    vulkano_windows: Arc<RwLock<VulkanoWindows>>,
-    gui: HashMap<WindowId, Arc<RwLock<Gui>>>,
+    vulkano_windows: Rc<RwLock<VulkanoWindows>>,
+    gui: HashMap<WindowId, Rc<RwLock<Gui>>>,
     scene_manager: HashMap<WindowId, SceneManager>,
     input_manager: Arc<RwLock<InputManager>>,
     timer: Arc<RwLock<Timer>>,
     event_loop_proxy: EventLoopProxy<UserEvent>,
 
     // Context d'application partagé par fenêtre - architecture unifiée
-    app_contexts: HashMap<WindowId, Arc<RwLock<ApplicationContext>>>,
+    app_contexts: HashMap<WindowId, Rc<RwLock<ApplicationContext>>>,
 }
 
 impl App {
@@ -46,7 +47,7 @@ impl App {
     ) -> Self {
         Self {
             vulkan_context: Arc::new(VulkanContext::new(vulkano_context)),
-            vulkano_windows: Arc::new(RwLock::new(VulkanoWindows::default())),
+            vulkano_windows: Rc::new(RwLock::new(VulkanoWindows::default())),
             gui: HashMap::new(),
             input_manager: Arc::new(RwLock::new(input_manager)),
             scene_manager: HashMap::new(),
@@ -98,7 +99,7 @@ impl ApplicationHandler<UserEvent> for App {
                 },
             )
         };
-        self.gui.insert(window_id, Arc::new(RwLock::new(gui)));
+        self.gui.insert(window_id, Rc::new(RwLock::new(gui)));
 
         let mut scene_manager = SceneManager::new();
         scene_manager.load_scene(Box::new(MainScene::default()));
@@ -153,7 +154,7 @@ impl ApplicationHandler<UserEvent> for App {
                     .app_contexts
                     .entry(id)
                     .or_insert_with(|| {
-                        Arc::new(RwLock::new(ApplicationContext::new(
+                        Rc::new(RwLock::new(ApplicationContext::new(
                             self.vulkan_context.clone(),
                             self.vulkano_windows.clone(),
                             self.input_manager.clone(),

src/core/input/virtual_input.rs

@@ -40,7 +40,7 @@ impl VirtualInput {
     pub fn get_state(&self, value_name: &str) -> f32 {
         self.states
             .get(value_name)
-            .and_then(|state| Some(state.lock().value))
+            .map(|state| state.lock().value)
             .unwrap_or(0.0)
     }