Side switching works!

src/display2d.rs

@@ -17,12 +17,6 @@ pub(crate) struct Display2dPlugin;
 impl Plugin for Display2dPlugin {
     fn build(&self, app: &mut App) {
         app.add_systems(Startup, (initialize_camera, set_background))
-            .add_systems(
-                Update,
-                load_spritesheet
-                    .run_if(on_event::<AssetEvent<Tweakfile>>())
-                    .run_if(in_state(GameState::Loading)),
-            )
             .add_systems(OnExit(GameState::Loading), initialize_board)
             .add_systems(
                 Update,
@@ -41,10 +35,12 @@ impl Plugin for Display2dPlugin {
                     set_transform
                         .after(game::update_board)
                         .run_if(any_component_changed::<BoardIndex>),
-                    set_piece_sprite
-                        .run_if(any_component_changed::<Side>)
-                        .after(game::set_side),
-                    set_tile_sprite.run_if(any_component_added::<game::Tile>),
+                    sync_sprite.run_if(any_component_changed::<Side>),
+                    load_spritesheet.run_if(on_event::<AssetEvent<Tweakfile>>()),
+                    // Set Sprite for Pieces
+                    set_sprite.run_if(any_component_changed::<GameSprite>),
+                    // When tweakfile is updated
+                    set_sprite.run_if(resource_exists_and_changed::<SpriteSheet>()),
                 ),
             )
             .add_systems(OnEnter(DisplayState::Display2d), activate::<Display2d>)
@@ -131,9 +127,7 @@ fn load_spritesheet(
 ) {
     info!("Loading spritesheet");
     let handle: Handle<tweak::Tweakfile> = server.load("martian.tweak.toml");
-    info!("Handle: {:?}", handle);
     let tweak = tweaks.get(&handle).expect("Load tweakfiles");
-    info!("Tweak: {:?}", tweak);
     let atlas = TextureAtlas::from_grid(
         server.load(tweak.display2d.sprites.file.clone()),
         Vec2::new(
@@ -145,7 +139,6 @@ fn load_spritesheet(
         None,
         None,
     );
-    info!("Atlas: {:?}", atlas);
     commands.insert_resource(SpriteSheet {
         handle: texture_atlases.add(atlas),
     });
@@ -224,7 +217,7 @@ fn initialize_board(board: Option<Res<Board>>, mut commands: Commands) {
                 board.pieces().iter().for_each(|(index, piece)| {
                     let side = Board::side(*index).expect("Spawn valid side");
 
-                    let game_sprite: GameSprite = (*piece, side.clone()).into();
+                    let game_sprite: GameSprite = (*piece, side).into();
 
                     parent.spawn((
                         game_sprite,
@@ -240,44 +233,22 @@ fn initialize_board(board: Option<Res<Board>>, mut commands: Commands) {
     }
 }
 
-fn set_piece_sprite(
-    mut events: Query<
-        (
-            &mut TextureAtlasSprite,
-            &mut Handle<TextureAtlas>,
-            &GameSprite,
-        ),
-        (With<Display2d>, Or<(Added<Piece>, Changed<Side>)>),
-    >,
-    sprite_sheet: Option<Res<SpriteSheet>>,
-    tweaks: Res<Assets<Tweakfile>>,
-    server: Res<AssetServer>,
-) {
-    let handle: Handle<Tweakfile> = server.load("martian.tweak.toml");
-    let tweak = tweaks
-        .get(&handle)
-        .expect("Load tweaksfile in set piece sprite");
-    let sprite_sheet = sprite_sheet.expect("Sprite sheet");
+fn sync_sprite(mut events: Query<(&mut GameSprite, &Piece, &Side), Changed<Side>>) {
     events
         .iter_mut()
-        .for_each(|(mut sprite, mut texture_atlas, game_sprite)| {
-            if let Some(index) = tweak.display2d.sprites.locate(game_sprite) {
-                if *texture_atlas != sprite_sheet.handle {
-                    *texture_atlas = sprite_sheet.handle.clone();
-                }
-                sprite.index = index;
-            }
+        .for_each(|(mut game_sprite, piece, side)| {
+            *game_sprite = (*piece, *side).into();
         });
 }
 
-fn set_tile_sprite(
-    mut events: Query<
+fn set_sprite(
+    mut entities: Query<
         (
             &mut TextureAtlasSprite,
             &mut Handle<TextureAtlas>,
             &GameSprite,
         ),
-        (Added<GameSprite>, With<Display2d>),
+        With<Display2d>,
     >,
     sprite_sheet: Option<Res<SpriteSheet>>,
     tweaks: Res<Assets<Tweakfile>>,
@@ -286,14 +257,16 @@ fn set_tile_sprite(
     let handle: Handle<Tweakfile> = server.load("martian.tweak.toml");
     let tweak = tweaks
         .get(&handle)
-        .expect("Load tweaksfile in set tile sprite");
+        .expect("Load tweaksfile in set piece sprite");
     let sprite_sheet = sprite_sheet.expect("Sprite sheet");
-    events
+    entities
         .iter_mut()
         .for_each(|(mut sprite, mut texture_atlas, game_sprite)| {
             if let Some(index) = tweak.display2d.sprites.locate(game_sprite) {
-                *texture_atlas = sprite_sheet.handle.clone();
-                *sprite = TextureAtlasSprite::new(index);
+                if *texture_atlas != sprite_sheet.handle {
+                    *texture_atlas = sprite_sheet.handle.clone();
+                }
+                sprite.index = index;
             }
         });
 }

src/game.rs

@@ -136,7 +136,7 @@ pub(crate) struct BoardIndex {
     pub y: usize,
 }
 
-#[derive(Debug, Component, PartialEq, Clone)]
+#[derive(Debug, Component, PartialEq, Clone, Copy)]
 pub(crate) enum Side {
     A,
     B,