RPC_Aqueuse.cs

///////////////////////////////////////
// the data class on each prefab player
///////////////////////////////////////
  public class PlayerData : NetworkBehaviour {
        [Networked] public int playerId { get; set; } // ID unique pour chaque joueur

        [Networked, OnChangedRender(nameof(UpdateLocalRender))] public NetworkBool hasPhillipeKaterine { get; set; }
        
        public void UpdateLocalRender() {
            foreach (var player in ObjectsReference.instance.RPCmanager.playerDataByPlayerId) {
                if (player.Key == playerId) {
                    GetComponent<Spaceship>().phillipeKaterineSpriteRenderer.enabled = player.Value.hasPhillipeKaterine;
                }
            }
        }
    }
    
    /////////////////////////////////////
    // le RPC manager
    /////////////////////////////////////    
    public class RPCmanager : MonoBehaviour {
        public GenericDictionary<int, PlayerData> playerDataByPlayerId;

        private void Start() {
            playerDataByPlayerId = new GenericDictionary<int, PlayerData>();
        }

        [Rpc(RpcSources.All, RpcTargets.StateAuthority)]
        public void RPC_PlayerSendDataToServer(int playerId, bool hasPhillipeKaterine) {
            ObjectsReference.instance.RPCmanager.playerDataByPlayerId[playerId].hasPhillipeKaterine = hasPhillipeKaterine;
            
            foreach (var playerData in playerDataByPlayerId) {
                RPC_UpdatePlayerDataOnClient(playerData.Value.playerId, playerData.Value.hasPhillipeKaterine);
            }
        }

        [Rpc(RpcSources.StateAuthority, RpcTargets.All)]
        private void RPC_UpdatePlayerDataOnClient(int playerId, bool hasPhillipeKaterine) {
            var localPlayerId = ObjectsReference.instance.gameManager.localPlayerId; 

            if (playerId == localPlayerId) {
                playerDataByPlayerId[playerId].hasPhillipeKaterine = hasPhillipeKaterine;
            }
        }
    }

///////////////////////////////////////////////
//  le game manager qui donne Phillipe Katerine
////////////////////////////////////////////////
  public class GameManager() {
    public void GivePlayerPhillipeKaterine() {
        try {
            ObjectsReference.instance.RPCmanager.RPC_PlayerSendDataToServer(localPlayerId, true);
        }
        catch (Exception e) {
            Debug.Log(e);
            throw;
        }
    }
}