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116 行
4.2 KiB

using System;
using System.Collections.Generic;
using TMPro;
using UnityEngine;
namespace LobbyRelaySample.UI
{
/// <summary>
/// Handles the list of LobbyButtons and ensures it stays synchronized with the lobby list from the service.
/// </summary>
public class JoinMenuUI : ObserverPanel<LobbyServiceData>
{
[SerializeField]
LobbyButtonUI m_LobbyButtonPrefab;
[SerializeField]
RectTransform m_LobbyButtonParent;
/// <summary>
/// Key: Lobby ID, Value Lobby UI
/// </summary>
Dictionary<string, LobbyButtonUI> m_LobbyButtons = new Dictionary<string, LobbyButtonUI>();
Dictionary<string, LocalLobby> m_LocalLobby = new Dictionary<string, LocalLobby>();
/// <summary>Contains some amount of information used to join an existing lobby.</summary>
LocalLobby.LobbyData m_LocalLobbySelected;
public void LobbyButtonSelected(LocalLobby lobby)
{
m_LocalLobbySelected = lobby.Data;
}
public void OnLobbyCodeInputFieldChanged(string newCode)
{
if (!string.IsNullOrEmpty(newCode))
m_LocalLobbySelected = new LocalLobby.LobbyData(newCode.ToUpper());
}
public void OnJoinButtonPressed()
{
Locator.Get.Messenger.OnReceiveMessage(MessageType.JoinLobbyRequest, m_LocalLobbySelected);
}
public void OnRefresh()
{
Locator.Get.Messenger.OnReceiveMessage(MessageType.QueryLobbies, null);
}
public override void ObservedUpdated(LobbyServiceData observed)
{
///Check for new entries, We take CurrentLobbies as the source of truth
List<string> previousKeys = new List<string>(m_LobbyButtons.Keys);
foreach (var codeLobby in observed.CurrentLobbies)
{
var lobbyCodeKey = codeLobby.Key;
var lobbyData = codeLobby.Value;
if (!m_LobbyButtons.ContainsKey(lobbyCodeKey))
{
if (CanDisplay(lobbyData))
AddNewLobbyButton(lobbyCodeKey, lobbyData);
}
else
{
if (CanDisplay(lobbyData))
UpdateLobbyButton(lobbyCodeKey, lobbyData);
else
RemoveLobbyButton(lobbyData);
}
previousKeys.Remove(lobbyCodeKey);
}
foreach (string key in previousKeys) // Need to remove any lobbies from the list that no longer exist.
RemoveLobbyButton(m_LocalLobby[key]);
}
public void JoinMenuChangedVisibility(bool show)
{
if (show)
OnRefresh();
}
private bool CanDisplay(LocalLobby lobby)
{
return lobby.Data.State == LobbyState.Lobby && !lobby.Private;
}
/// <summary>
/// Instantiates UI element and initializes the observer with the LobbyData
/// </summary>
private void AddNewLobbyButton(string lobbyCode, LocalLobby lobby)
{
var lobbyButtonInstance = Instantiate(m_LobbyButtonPrefab, m_LobbyButtonParent);
lobbyButtonInstance.GetComponent<LocalLobbyObserver>().BeginObserving(lobby);
lobby.onDestroyed += RemoveLobbyButton; // Set up to clean itself
lobbyButtonInstance.onLobbyPressed.AddListener(LobbyButtonSelected);
m_LobbyButtons.Add(lobbyCode, lobbyButtonInstance);
m_LocalLobby.Add(lobbyCode, lobby);
}
private void UpdateLobbyButton(string lobbyCode, LocalLobby lobby)
{
m_LobbyButtons[lobbyCode].UpdateLobby(lobby);
}
private void RemoveLobbyButton(LocalLobby lobby)
{
var lobbyID = lobby.LobbyID;
var lobbyButton = m_LobbyButtons[lobbyID];
lobbyButton.GetComponent<LocalLobbyObserver>().EndObserving();
m_LobbyButtons.Remove(lobbyID);
m_LocalLobby.Remove(lobbyID);
Destroy(lobbyButton.gameObject);
}
}
}