HighGroundRoyale/Assets/Scripts/Netcode/LobbyPlayerList.cs

using System;
using System.Collections.Generic;
using System.Linq;
using Unity.Services.Lobbies.Models;
using UnityEngine;

namespace LobbyScripts
{
    public class LobbyPlayerList : MonoBehaviour
    {
        [SerializeField] private LobbyPlayerData _lobbyPlayer;
        [SerializeField] private Transform _parent;

        private List<LobbyPlayerData> _players;

        public List<LobbyPlayerData> PlayerList => _players;
        
        private void Awake() => _players ??= new List<LobbyPlayerData>();

        private void OnEnable() => GameLobby.OnLobbyCreated += (_,_) => ClearLobby();

        public void PlayerJoined(Player player, Lobby lobby, bool isHost)
        {
            var playerData = Instantiate(_lobbyPlayer, _parent);
            playerData.SetPlayerData(player, lobby, isHost);
            
            if(_players.Contains(playerData)) return;
            _players.Add(playerData);
        }

        public void RemovePlayer(string playerID)
        {
            Debug.Log($"Main Id: {playerID}");
            
            foreach (var playerData in _players)
            {
                Debug.Log(playerData.PlayerID);
            }
            
            var player = _players.FirstOrDefault(player => player.PlayerID == playerID);

            if (player == null) return;
            if (!_players.Contains(player)) return;
            _players.Remove(player);
            Destroy(player.gameObject);
        }

        public void ClearLobby()
        {
            if (_players.Count > 0)
            {
                foreach (var player in _players)
                {
                    if(player == null ) continue;
                    Destroy(player.gameObject);
                }
                
                _players.Clear();
            }
        }
    }
}