Add Seed display

src/game/mod.rs

@@ -6,6 +6,7 @@ mod runtime;
 mod seed;
 mod setup;
 pub mod state;
+mod ui;
 
 #[allow(unused_imports)]
 pub mod prelude {

src/game/plugin.rs

@@ -9,8 +9,11 @@ use super::{
     net::{handle_deleted_peer, handle_incoming_packets, handle_new_peer},
     runtime::{move_camera, move_player, quit, zoom_camera},
     seed::Seed,
-    setup::{check_for_seed, setup_balls, setup_from_seed, setup_player, setup_ui, setup_walls},
+    setup::{
+        check_for_seed, setup_balls, setup_camera, setup_from_seed, setup_player, setup_walls,
+    },
     state::AppState,
+    ui::{setup_seed_display, update_seed_display},
 };
 
 #[derive(Debug, Clone, Copy)]
@@ -56,7 +59,7 @@ impl Plugin for GamePlugin {
             PhysicsPlugins::default().with_length_unit(50.0),
         ))
         .init_state::<AppState>()
-        .add_systems(Startup, setup_ui)
+        .add_systems(Startup, (setup_camera, setup_seed_display))
         .add_systems(
             OnEnter(AppState::InGame),
             (
@@ -81,6 +84,7 @@ impl Plugin for GamePlugin {
             (
                 ((move_player, move_camera).chain(), zoom_camera)
                     .run_if(in_state(AppState::InGame)),
+                update_seed_display,
                 quit.run_if(input_pressed(KeyCode::KeyQ)),
             ),
         );

src/game/setup.rs

@@ -43,7 +43,7 @@ pub fn setup_from_seed(mut commands: Commands, seed: Res<Seed>) {
 }
 
 /// I mean, a camera is technically a user interface, I guess
-pub fn setup_ui(mut commands: Commands) {
+pub fn setup_camera(mut commands: Commands) {
     commands.spawn((Name::new("Camera"), Camera2d, IsDefaultUiCamera));
 }
 

src/game/ui.rs

@@ -0,0 +1,31 @@
+use bevy::prelude::*;
+
+use super::seed::Seed;
+
+#[derive(Component, Debug)]
+pub struct SeedUI;
+
+pub fn setup_seed_display(mut commands: Commands) {
+    commands
+        .spawn((
+            Text::new("Seed: "),
+            Node {
+                position_type: PositionType::Absolute,
+                bottom: Val::Px(5.0),
+                left: Val::Px(5.0),
+                ..Default::default()
+            },
+        ))
+        .with_child((TextSpan::new("<N/A>"), SeedUI));
+}
+
+pub fn update_seed_display(seed: Option<Res<Seed>>, text: Query<&mut TextSpan, With<SeedUI>>) {
+    if let Some(value) = seed {
+        if value.is_changed() {
+            for mut span in text {
+                let number: u64 = (*value).into();
+                **span = format!("{}", number);
+            }
+        }
+    }
+}