Use bevy_app instead

src/main.rs

@@ -1,29 +1,40 @@
-use std::error::Error;
 use winit::event_loop::{ControlFlow, EventLoop};
 
+use bevy_app::{App, AppExit};
+
 pub mod core;
 pub mod game;
 pub mod old_app;
 
-fn main() -> Result<(), impl Error> {
+fn main() {
     env_logger::init();
 
-    run_new_app()
-    // run_old_app()
+    run_new_app();
+    // run_old_app();
 }
 
-fn run_new_app() -> Result<(), impl Error> {
-    let mut app = core::app::App::default();
+fn run_new_app() {
+    let mut app = App::default();
     game::init(&mut app);
-    app.run()
+    match app.run() {
+        AppExit::Success => {}
+        AppExit::Error(e) => {
+            log::error!("Error running new app: {e}");
+        }
+    }
 }
 
-fn run_old_app() -> Result<(), impl Error> {
+fn run_old_app() {
     let event_loop = EventLoop::new().unwrap();
     event_loop.set_control_flow(ControlFlow::Poll);
 
     let vulkan_context = old_app::vulkan_context::VulkanContext::from(&event_loop);
     let mut app = old_app::app::App::from(vulkan_context);
 
-    event_loop.run_app(&mut app)
+    match event_loop.run_app(&mut app) {
+        Ok(_) => {}
+        Err(e) => {
+            log::error!("Error running old app: {e}");
+        }
+    }
 }