detect hand change and render it

src/game/player.rs

@@ -1,9 +1,44 @@
 use bevy::prelude::*;
 
+use crate::{
+    game::wall::{Wall, WallTiles},
+    tiles::Tile,
+};
+
 #[derive(Component)]
 pub(crate) struct Player {
     pub(crate) name: String,
 }
 
+fn spawn_players(mut commands: Commands) {}
+
 #[derive(Component)]
 pub(crate) struct Points(pub isize);
+
+#[derive(Component)]
+pub struct Hand;
+
+#[derive(Component)]
+#[relationship_target(relationship = InHand, linked_spawn)]
+pub struct HandTiles(Vec<Entity>);
+
+#[derive(Component)]
+#[relationship(relationship_target = HandTiles)]
+pub struct InHand(pub Entity);
+
+pub(crate) fn deal_hands(
+    mut commands: Commands,
+    wall: Single<Entity, With<Wall>>,
+    wall_tiles: Query<Entity, With<WallTiles>>,
+    tiles: Query<Entity, With<Tile>>,
+) -> Result {
+    let hand = wall_tiles.iter().collect::<Vec<_>>();
+
+    commands
+        .get_entity(*wall)?
+        .remove_children(hand.last_chunk::<13>().unwrap());
+
+    commands.spawn((Hand, HandTiles(hand)));
+
+    Ok(())
+}