feat: Display crop sprite (#26)

src/features/grid/components.rs

@@ -7,6 +7,9 @@ pub struct Tile {
     pub y: u32,
 }
 
+#[derive(Component)]
+pub struct CropVisual;
+
 #[derive(Component, Default, Serialize, Deserialize, Clone, Debug)]
 pub enum TileState {
     #[default]
@@ -62,4 +65,4 @@ impl Grid {
         *tile_state = mapper(&*tile_state);
         Ok(())
     }
-}
+}

src/features/grid/mod.rs

@@ -1,4 +1,5 @@
 use crate::prelude::*;
+use components::CropVisual;
 
 pub mod components;
 pub mod consts;
@@ -12,10 +13,7 @@ impl Plugin for GridPlugin {
         app.add_systems(OnEnter(AppState::GameScreen), setup);
         app.add_systems(OnExit(AppState::GameScreen), cleanup);
 
-        app.add_systems(
+        app.add_systems(Update, update_tiles.run_if(in_state(AppState::GameScreen)));
-            Update,
-            update_tile_colors.run_if(in_state(AppState::GameScreen)),
-        );
     }
 }
 
@@ -45,6 +43,19 @@ fn setup(mut commands: Commands, asset_server: Res<AssetServer>, config: Res<Gam
                         grid_height,
                     )),
                 ))
+                .with_children(|parent| {
+                    parent.spawn((
+                        CropVisual,
+                        AseSlice {
+                            name: "Crop".into(),
+                            aseprite: asset_server.load("crop.aseprite"),
+                        },
+                        Sprite::default(),
+                        Transform::default(),
+                        Visibility::Hidden,
+                        ZIndex(1),
+                    ));
+                })
                 .id();
             column.push(tile_entity);
         }
@@ -65,11 +76,12 @@ fn cleanup(mut commands: Commands, tile_query: Query<Entity, With<Tile>>) {
     commands.remove_resource::<Grid>();
 }
 
-fn update_tile_colors(
+fn update_tiles(
-    mut query: Query<(&TileState, &mut AseSlice)>,
+    mut query: Query<(&TileState, &mut AseSlice, &Children)>,
+    mut crop_query: Query<&mut Visibility, With<CropVisual>>,
     asset_server: Res<AssetServer>,
 ) {
-    for (state, mut slice) in &mut query {
+    for (state, mut slice, children) in &mut query {
         slice.name = match state {
             TileState::Unclaimed => "Unclaimed",
             TileState::Empty => "Empty",
@@ -82,5 +94,14 @@ fn update_tile_colors(
             TileState::Empty => asset_server.load("tiles/tile-empty.aseprite"),
             TileState::Occupied { .. } => asset_server.load("tiles/tile-occupied.aseprite"),
         };
+
+        for child in children.iter() {
+            if let Ok(mut visibility) = crop_query.get_mut(child) {
+                *visibility = match state {
+                    TileState::Occupied { .. } => Visibility::Visible,
+                    _ => Visibility::Hidden,
+                };
+            }
+        }
     }
 }