Scaffolding for dice game in place

src/game/dice.rs

@@ -1,7 +1,6 @@
 use crate::prelude::*;
 
 /// Menu Plugin; empty struct for Plugin impl
-
 pub(crate) struct DicePlugin;
 
 impl Plugin for DicePlugin {
@@ -13,10 +12,32 @@ impl Plugin for DicePlugin {
 /// Create UI for the Dice game at startup
 fn init_dice_ui(mut commands: Commands) {
     commands
-        .spawn((
-            GameChoice::Dice,
-            SetState(GameChoice::Dice),
-            SetState(MenuState::Closed),
-        ))
-        .add(UiTitle { text: "Dice" });
+        .spawn((GameChoice::Dice, MenuState::Closed))
+        .add(UiContainer)
+        .with_children(|parent| {
+            parent
+                .spawn_empty()
+                .add(UiTitle { text: "Dice" })
+                .add(UiStyle(Style {
+                    position_type: PositionType::Absolute,
+                    top: Val::Px(0.0),
+                    left: Val::Px(0.0),
+                    margin: UiRect::all(Val::Px(5.0)),
+                    border: UiRect::all(Val::Px(1.0)),
+                    ..default()
+                }));
+
+            parent
+                .spawn((SetState(GameChoice::None), SetState(MenuState::Open)))
+                .add(UiButton { label: "Menu" })
+                .add(UiStyle(Style {
+                    position_type: PositionType::Absolute,
+                    top: Val::Px(0.0),
+                    right: Val::Px(0.0),
+                    margin: UiRect::all(Val::Px(5.0)),
+                    padding: UiRect::all(Val::Px(5.0)),
+                    border: UiRect::all(Val::Px(1.0)),
+                    ..default()
+                }));
+        });
 }

src/game/mod.rs

@@ -11,6 +11,14 @@ impl Plugin for GamePlugin {
         app.init_state::<GameChoice>();
         app.add_systems(Startup, init_camera);
         app.add_plugins(dice::DicePlugin);
+        app.add_systems(
+            Update,
+            manage_visibility::<GameChoice>.run_if(state_changed::<GameChoice>),
+        );
+        app.add_systems(
+            Update,
+            button_state_action::<GameChoice>.run_if(any_component_changed::<Interaction>),
+        );
     }
 }
 

src/menu.rs

@@ -1,4 +1,4 @@
-use crate::{manage_visibility, prelude::*};
+use crate::prelude::*;
 
 /// Menu Plugin; empty struct for Plugin impl
 pub(crate) struct MenuPlugin;
@@ -11,6 +11,10 @@ impl Plugin for MenuPlugin {
             Update,
             manage_visibility::<MenuState>.run_if(state_changed::<MenuState>),
         );
+        app.add_systems(
+            Update,
+            button_state_action::<MenuState>.run_if(any_component_changed::<Interaction>),
+        );
     }
 }
 
@@ -25,12 +29,14 @@ pub(crate) enum MenuState {
 /// Initialize menu UI nodes at startup
 fn init_menu_ui(mut commands: Commands) {
     commands
-        .spawn(MenuState::Open)
+        .spawn((MenuState::Open, GameChoice::None))
         .add(UiContainer)
         .with_children(|parent| {
             parent.spawn_empty().add(UiTitle {
                 text: "Game Jam Casino",
             });
-            parent.spawn_empty().add(UiButton { label: "Dice" });
+            parent
+                .spawn(SetState(GameChoice::Dice))
+                .add(UiButton { label: "Dice" });
         });
 }

src/prelude.rs

@@ -1,3 +1,5 @@
+pub(crate) use std::fmt::Debug;
+
 /// Bevy imports
 pub(crate) use bevy::{ecs::system::EntityCommand, prelude::*};
 
@@ -5,7 +7,10 @@ pub(crate) use bevy::{ecs::system::EntityCommand, prelude::*};
 pub(crate) use crate::ecs::schedule::common_conditions::*;
 pub(crate) use crate::game::GameChoice;
 pub(crate) use crate::manage_visibility;
+pub(crate) use crate::menu::MenuState;
 pub(crate) use crate::ui::button::UiButton;
+pub(crate) use crate::ui::button_state_action;
 pub(crate) use crate::ui::container::UiContainer;
+pub(crate) use crate::ui::style::UiStyle;
 pub(crate) use crate::ui::title::UiTitle;
 pub(crate) use crate::ui::SetState;

src/ui.rs

@@ -22,14 +22,19 @@ fn button_interaction(mut query: Query<(&mut BackgroundColor, &Interaction)>) {
 
 /// Component for marking a button as a "Set State" action
 #[derive(Component)]
-pub(crate) struct SetState<S: States>(S);
+pub(crate) struct SetState<S: States + Clone + Debug>(pub S);
 
-fn button_state_actions<S: States>(
-    q: Query<(&mut S, &SetState<S>, &Interaction), Changed<Interaction>>,
-    s: Res<State<S>>,
-    n: Res<NextState<S>>,
+pub(crate) fn button_state_action<S: States + Clone + Debug>(
+    q: Query<(&SetState<S>, &Interaction), Changed<Interaction>>,
+    mut n: ResMut<NextState<S>>,
 ) {
-    todo!("Change state when button is clicked")
+    q.iter()
+        .for_each(|(SetState(s), interaction)| match interaction {
+            Interaction::Pressed => {
+                n.set(s.clone());
+            }
+            _ => (),
+        });
 }
 
 pub(crate) mod button {
@@ -113,8 +118,23 @@ pub(crate) mod container {
                     position_type: PositionType::Absolute,
                     ..default()
                 },
+                border_color: BorderColor(Color::BLACK),
                 ..default()
             });
         }
     }
 }
+
+pub(crate) mod style {
+    use super::*;
+
+    pub(crate) struct UiStyle(pub Style);
+
+    impl EntityCommand for UiStyle {
+        fn apply(self, id: Entity, world: &mut World) {
+            if let Some(mut s) = world.entity_mut(id).get_mut::<Style>() {
+                *s = self.0.clone();
+            }
+        }
+    }
+}