add let else

crates/border-wars/src/map/generation.rs

@@ -41,25 +41,25 @@ fn generate_map(
     mut event: EventReader<StartMapGeneration>,
     mut end_map_event: EventWriter<EndMapGeneration>,
     mut commands: Commands,
-    mut noise: Local<Option<Perlin>>,
-    mut spiral: Local<Option<HexSpiral<i32>>>,
+    mut local_noise: Local<Option<Perlin>>,
+    mut local_spiral: Local<Option<HexSpiral<i32>>>,
 ) {
     // Handle map generation events.
     for event in event.read() {
-        *noise = Some(Perlin::new(event.seed));
-        *spiral = Some(TilePosition::new(0,0).spiral(event.radius as usize));
+        *local_noise = Some(Perlin::new(event.seed));
+        *local_spiral = Some(TilePosition::new(0,0).spiral(event.radius as usize));
     }
 
-    if let (None, None) = (noise.as_ref(), spiral.as_mut()) {
+    let (Some(noise), Some(spiral)) = (local_noise.as_ref(), local_spiral.as_mut()) else {
         return;
-    }
-    if let Some(position) = spiral.as_mut().unwrap().next() {
+    };
+    if let Some(position) = spiral.next() {
         let pixel_position = position.to_pixel_coordinates((0.2, 0.2));
-        commands.spawn((get_type(pixel_position, &noise.unwrap()), position as TilePosition));
+        commands.spawn((get_type(pixel_position, &noise), position as TilePosition));
     } else {
         end_map_event.send(EndMapGeneration);
-        *noise = None;
-        *spiral = None;
+        *local_noise = None;
+        *local_spiral = None;
     }
 }