Switch to replicon (#80)

crates/shared/src/player.rs

@@ -2,6 +2,7 @@ use crate::{
     GameState,
     cash::{Cash, CashCollectEvent},
     character::HedzCharacter,
+    protocol::PlayerId,
 };
 use avian3d::prelude::*;
 use bevy::{
@@ -20,8 +21,22 @@ pub struct Player;
 #[require(Transform, Visibility)]
 pub struct PlayerBodyMesh;
 
+/// Server-side only; inserted on each `client` (not the controller) to track player ids.
+#[derive(Component, Clone, Copy)]
+pub struct ClientPlayerId(pub PlayerId);
+
+/// Client-side only; stores this client's id
+#[derive(Resource, Reflect)]
+#[reflect(Resource)]
+pub struct LocalPlayerId {
+    pub id: PlayerId,
+}
+
 pub fn plugin(app: &mut App) {
-    app.add_systems(Startup, (toggle_cursor_system, cursor_recenter));
+    app.add_systems(
+        OnEnter(GameState::Playing),
+        (toggle_cursor_system, cursor_recenter),
+    );
     app.add_systems(
         Update,
         (