LuckerGame/code/UI/Lobby.razor

@namespace LuckerParty.UI
@inherits PanelComponent
@using System
@using System.Collections.Immutable
@implements NetworkManager.IClientEvent

<root>
	<div class="title">This is the Lobby</div>
	@foreach ( var client in _clients )
	{
		<div>@client.Name</div>
	}
</root>

@code
{
	private ImmutableList<Client> _clients;
	private NetworkManager _networkManager;

	protected override void OnStart()
	{
		base.OnStart();
		_networkManager = Scene.GetComponentInChildren<NetworkManager>();
		UpdateClients();
	}

	void NetworkManager.IClientEvent.OnConnected( Client client )
	{
		UpdateClients();
	}

	void NetworkManager.IClientEvent.OnDisconnected( Client client )
	{
		UpdateClients();
	}

	private void UpdateClients()
	{
		_clients = _networkManager.Clients.Sort( ( clientA, clientB ) => DateTimeOffset.Compare( clientA.ConnectionTime, clientB.ConnectionTime ) );
	}

	/// <summary>
	///     the hash determines if the system should be rebuilt. If it changes, it will be rebuilt
	/// </summary>
	protected override int BuildHash()
	{
		return HashCode.Combine( _clients );
	}
}