feat: Add HUD text for shovel mode

src/features/hud/components.rs

@@ -4,6 +4,7 @@ use crate::{features::phase::components::TimerSettings, prelude::*};
 pub enum RootMarker {
     Status,
     Settings,
+    ShovelOverlay,
 }
 
 #[derive(Component)]

src/features/hud/mod.rs

@@ -16,12 +16,18 @@ impl Plugin for HudPlugin {
         app.add_systems(OnExit(AppState::GameScreen), cleanup);
         app.add_systems(
             Update,
-            (update_status, buttons, update_timer_settings).run_if(in_state(AppState::GameScreen)),
+            (
+                update_status,
+                buttons,
+                update_timer_settings,
+                update_shovel_overlay_visibility,
+            )
+                .run_if(in_state(AppState::GameScreen)),
         );
     }
 }
 
-fn setup(mut commands: Commands) {
+fn setup(mut commands: Commands, game_config: Res<GameConfig>, asset_server: Res<AssetServer>) {
     commands.spawn((
         RootMarker::Status,
         Node {
@@ -61,6 +67,63 @@ fn setup(mut commands: Commands) {
             )
         ],
     ));
+
+    // Shovel Overlay
+    commands.spawn((
+        RootMarker::ShovelOverlay,
+        Node {
+            position_type: PositionType::Absolute,
+            top: px(20),
+            left: px(0),
+            right: px(0),
+            width: percent(100),
+            justify_content: JustifyContent::Center,
+            align_items: AlignItems::Center,
+            flex_direction: FlexDirection::Column,
+            row_gap: px(5),
+            ..default()
+        },
+        Visibility::Hidden,
+        children![(
+            Node {
+                flex_direction: FlexDirection::Column,
+                align_items: AlignItems::Center,
+                padding: UiRect::all(px(10)),
+                row_gap: px(5),
+                ..default()
+            },
+            BackgroundColor(Color::srgba(0.0, 0.0, 0.0, 0.7)),
+            BorderRadius::all(px(10)),
+            children![
+                (
+                    Node {
+                        flex_direction: FlexDirection::Row,
+                        align_items: AlignItems::Center,
+                        column_gap: px(10),
+                        ..default()
+                    },
+                    children![
+                        (
+                            Node {
+                                width: px(32),
+                                height: px(32),
+                                ..default()
+                            },
+                            inventory::components::ItemType::Shovel
+                                .get_sprite(&asset_server, &game_config),
+                            ImageNode::default()
+                        ),
+                        text("Schaufel-Modus", 20.0, Color::WHITE)
+                    ]
+                ),
+                text(
+                    "Klicke auf ein freies Feld, um es freizuschalten.",
+                    14.0,
+                    Color::WHITE
+                )
+            ]
+        )],
+    ));
 }
 
 fn update_status(phase_res: Res<CurrentPhase>, mut text_query: Query<(&mut Text, &TextType)>) {
@@ -151,3 +214,21 @@ fn update_timer_settings(
         }
     }
 }
+
+fn update_shovel_overlay_visibility(
+    inventory: Res<inventory::components::Inventory>,
+    item_stacks: Query<&inventory::components::ItemStack>,
+    mut overlay_query: Query<(&RootMarker, &mut Visibility)>,
+) {
+    let has_shovel = inventory.has_item_type(&item_stacks, inventory::components::ItemType::Shovel);
+
+    for (marker, mut vis) in overlay_query.iter_mut() {
+        if let RootMarker::ShovelOverlay = marker {
+            *vis = if has_shovel {
+                Visibility::Inherited
+            } else {
+                Visibility::Hidden
+            };
+        }
+    }
+}