crates/border-wars/src/lib.rs

@@ -27,7 +27,7 @@ pub enum CurrentScene {
 }
 
 /// A player in the game.
-#[derive(Serialize, Deserialize, Clone)]
+#[derive(Serialize, Deserialize, Clone, Debug)]
 pub struct Player {
     /// The name of the player.
     pub name: String,

crates/border-wars/src/networkinig/connection.rs

@@ -13,7 +13,11 @@ impl Plugin for ConnectionPuglin {
     fn build(&self, app: &mut App) {
         app.add_network_event::<RequestJoin>()
             .add_network_event::<AddPlayer>()
-            .add_network_event::<RemovePlayer>();
+            .add_network_event::<RemovePlayer>()
+            .add_systems(
+                Update,
+                (accept_connection, handle_change_player).run_if(in_state(CurrentScene::Lobby)),
+            );
     }
 }
 
@@ -27,7 +31,7 @@ pub struct AddPlayer(Uuid, Player);
 
 /// An event that is trigger whene a player is removed.
 #[derive(Event, Serialize, Deserialize)]
-pub struct RemovePlayer(Uuid);
+pub struct RemovePlayer(pub Uuid);
 
 /// A fonction that handle join request and add it.
 pub fn accept_connection(
@@ -49,6 +53,8 @@ pub fn accept_connection(
         let new_uuid = request_join.0;
         let new_name = request_join.1.0.clone();
 
+        add_players.send(SendTo(new_uuid, AddPlayer(new_uuid, new_name.clone())));
+
         for (uuid, name) in all_players.0.iter() {
             // Link all players
             add_players.send(SendTo(*uuid, AddPlayer(new_uuid, new_name.clone())));
@@ -59,8 +65,8 @@ pub fn accept_connection(
 
 /// A fonction that handle new / remove players events.
 pub fn handle_change_player(
-    mut add_players: EventReader<SendTo<AddPlayer>>,
-    mut remove_players: EventReader<SendTo<RemovePlayer>>,
+    mut add_players: EventReader<Receive<AddPlayer>>,
+    mut remove_players: EventReader<Receive<RemovePlayer>>,
     mut all_players: ResMut<AllPlayer>,
     connection: Res<Connection>,
     mut next_scene: ResMut<NextState<CurrentScene>>,

crates/border-wars/src/networkinig/mod.rs

@@ -14,7 +14,8 @@ pub struct NetworkingPlugin;
 
 impl Plugin for NetworkingPlugin {
     fn build(&self, app: &mut App) {
-        app.add_plugins(ConnectionPuglin);
+        app.add_plugins(ConnectionPuglin)
+            .init_resource::<AllPlayer>();
     }
 }
 
@@ -34,9 +35,7 @@ pub enum GameRank {
 impl AllPlayer {
     /// Get the player by a connection.
     pub fn get_by_connection(&self, connection: &Connection) -> Option<&Player> {
-        let Some(uuid) = connection.identifier() else {
-            return None;
-        };
+        let uuid = connection.identifier()?;
 
         self.0.get(&uuid)
     }