Set actual window icon on windows

Cargo.toml

@@ -6,5 +6,9 @@ edition = "2024"
 [dependencies]
 bevy = "0.18.1"
 
+[target.'cfg(target_os = "windows")'.dependencies]
+image = "0.25.10"
+winit = "0.30.13"
+
 [target.'cfg(target_os = "windows")'.build-dependencies]
 winresource = "0.1.31"

src/main.rs

@@ -7,6 +7,12 @@ use bevy::{
     },
 };
 
+#[cfg(target_os = "windows")]
+use {
+    bevy::{ecs::system::NonSendMarker, winit::WINIT_WINDOWS},
+    winit::window::Icon,
+};
+
 const GRAVITY: f32 = -1800.0;
 const JUMP_VEL: f32 = 600.0;
 
@@ -17,40 +23,62 @@ struct Player {
     on_ground: bool,
 }
 
+#[cfg(target_os = "windows")]
+fn set_window_icon(_marker: NonSendMarker) {
+    let (icon_rgba, icon_width, icon_height) = {
+        let image = image::open("assets/Icon.png")
+            .expect("Failed to open icon path")
+            .into_rgba8();
+        let (width, height) = image.dimensions();
+        (image.into_raw(), width, height)
+    };
+    let icon = Icon::from_rgba(icon_rgba, icon_width, icon_height).unwrap();
+
+    WINIT_WINDOWS.with_borrow(|winit_windows| {
+        for window in winit_windows.windows.values() {
+            window.set_window_icon(Some(icon.clone()));
+        }
+    });
+}
+
 fn main() {
-    App::new()
-        .add_plugins(
-            DefaultPlugins
-                .set(RenderPlugin {
-                    render_creation: RenderCreation::Automatic(WgpuSettings {
-                        backends: Some(
-                            #[cfg(target_os = "windows")]
-                            Backends::DX12,
-                            #[cfg(target_os = "linux")]
-                            Backends::VULKAN,
-                            #[cfg(target_os = "macos")]
-                            Backends::METAL,
-                        ),
-                        ..default()
-                    }),
-                    ..default()
-                })
-                .set(WindowPlugin {
-                    primary_window: Some(Window {
-                        title: "Berry Dash RS".into(),
-                        resize_constraints: WindowResizeConstraints {
-                            min_width: 800.0,
-                            min_height: 600.0,
-                            ..default()
-                        },
-                        ..default()
-                    }),
+    let mut app = App::new();
+    app.add_plugins(
+        DefaultPlugins
+            .set(RenderPlugin {
+                render_creation: RenderCreation::Automatic(WgpuSettings {
+                    backends: Some(
+                        #[cfg(target_os = "windows")]
+                        Backends::DX12,
+                        #[cfg(target_os = "linux")]
+                        Backends::VULKAN,
+                        #[cfg(target_os = "macos")]
+                        Backends::METAL,
+                    ),
                     ..default()
                 }),
-        )
-        .add_systems(Startup, setup)
-        .add_systems(Update, update_position)
-        .run();
+                ..default()
+            })
+            .set(WindowPlugin {
+                primary_window: Some(Window {
+                    title: "Berry Dash RS".into(),
+                    resize_constraints: WindowResizeConstraints {
+                        min_width: 800.0,
+                        min_height: 600.0,
+                        ..default()
+                    },
+                    ..default()
+                }),
+                ..default()
+            }),
+    )
+    .add_systems(Startup, setup)
+    .add_systems(Update, update_position);
+
+    #[cfg(target_os = "windows")]
+    app.add_systems(Startup, set_window_icon);
+
+    app.run();
 }
 
 fn setup(mut commands: Commands, asset_server: Res<AssetServer>, window: Query<&Window>) {