From 50ccd7fcb21b4f6f7ef6892bb1aea2554cd6e45e Mon Sep 17 00:00:00 2001
From: Tao Tien <29749622+taotien@users.noreply.github.com>
Date: Sun, 18 Jan 2026 10:52:09 -0800
Subject: [PATCH] detect hand children change instead

---
 src/game/hand.rs  | 4 ++--
 src/game/round.rs | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/game/hand.rs b/src/game/hand.rs
index 1ccef15..0870043 100644
--- a/src/game/hand.rs
+++ b/src/game/hand.rs
@@ -25,8 +25,8 @@ pub struct Discarded;
 // }
 
 pub(crate) fn sort_hands(
-    tiles: Populated<&Tile>,
-    hands: Populated<&mut Children, (Changed<Hand>, Without<Player>)>,
+    tiles: Query<&Tile>,
+    hands: Query<&mut Children, (Changed<Children>, With<Hand>, Without<Player>)>,
 ) -> Result {
     for mut hand in hands {
         hand.sort_unstable_by_key(|e| tiles.get(*e).unwrap().suit);
diff --git a/src/game/round.rs b/src/game/round.rs
index b33bb53..5d2ee14 100644
--- a/src/game/round.rs
+++ b/src/game/round.rs
@@ -155,7 +155,7 @@ pub(crate) fn discard(
 
     curr_player: Single<Entity, With<CurrentPlayer>>,
     players: Query<&Children, With<Player>>,
-    mut hands: Query<(&Children, Entity), (With<Hand>, Without<Player>)>,
+    mut hands: Query<(&Children, Entity, &mut Hand), (With<Hand>, Without<Player>)>,
     drawn: Single<Entity, With<Drawn>>,
 
     curr_turnstate: Res<State<TurnState>>,