141 lines
4.4 KiB
C#
141 lines
4.4 KiB
C#
using System;
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using System.Runtime.CompilerServices;
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using System.Threading.Tasks;
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using Unity.Properties;
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using Unity.Services.Multiplayer;
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using UnityEngine.UIElements;
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namespace Blocks.Sessions
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{
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public class CreateSessionViewModel : IDisposable, IDataSourceViewHashProvider, INotifyBindablePropertyChanged
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{
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SessionObserver m_SessionObserver;
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ISession m_Session;
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long m_UpdateVersion;
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[CreateProperty]
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public bool CanRegisterSession
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{
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get => m_CanRegisterSession;
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private set
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{
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if (m_CanRegisterSession == value)
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return;
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m_CanRegisterSession = value;
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++m_UpdateVersion;
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Notify();
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}
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}
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bool m_CanRegisterSession = true;
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[CreateProperty]
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public bool HasSessionName
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{
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get => m_HasSessionName;
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private set
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{
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if (m_HasSessionName == value)
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return;
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m_HasSessionName = value;
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Notify();
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}
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}
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bool m_HasSessionName;
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[CreateProperty]
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public string SessionName
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{
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get => m_SessionName;
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private set
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{
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if (m_SessionName == value)
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return;
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m_SessionName = value;
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HasSessionName = m_SessionName != "";
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++m_UpdateVersion;
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Notify();
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}
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}
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string m_SessionName;
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public CreateSessionViewModel(string sessionType)
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{
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m_SessionObserver = new SessionObserver(sessionType);
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m_SessionObserver.AddingSessionStarted += OnAddingSessionStarted;
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m_SessionObserver.SessionAdded += OnSessionAdded;
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m_SessionObserver.AddingSessionFailed += OnAddingSessionFailed;
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if (m_SessionObserver.Session != null)
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{
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OnSessionAdded(m_SessionObserver.Session);
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}
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}
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void OnAddingSessionFailed(AddingSessionOptions session, SessionException exception) => CanRegisterSession = true;
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void OnAddingSessionStarted(AddingSessionOptions session) => CanRegisterSession = false;
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void OnSessionAdded(ISession session)
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{
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m_Session = session;
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m_Session.RemovedFromSession += OnSessionRemoved;
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m_Session.Deleted += OnSessionRemoved;
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CanRegisterSession = false;
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}
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void OnSessionRemoved()
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{
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m_Session.RemovedFromSession -= OnSessionRemoved;
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m_Session.Deleted -= OnSessionRemoved;
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m_Session = null;
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CanRegisterSession = true;
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}
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public bool AreMultiplayerServicesInitialized()
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{
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return MultiplayerService.Instance != null;
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}
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public async Task<IHostSession> CreateSessionAsync(SessionOptions sessionOptions)
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{
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sessionOptions.Name = SessionName;
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return await MultiplayerService.Instance.CreateSessionAsync(sessionOptions);
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}
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public void Dispose()
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{
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if (m_SessionObserver != null)
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{
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m_SessionObserver.AddingSessionStarted -= OnAddingSessionStarted;
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m_SessionObserver.SessionAdded -= OnSessionAdded;
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m_SessionObserver.AddingSessionFailed -= OnAddingSessionFailed;
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m_SessionObserver.Dispose();
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m_SessionObserver = null;
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}
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if (m_Session != null)
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{
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m_Session.RemovedFromSession -= OnSessionRemoved;
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m_Session.Deleted -= OnSessionRemoved;
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m_Session = null;
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}
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}
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/// <summary>
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/// This method is used by UIToolkit to determine if any data bound to the UI has changed.
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/// Instead of hashing the data, an m_UpdateVersion counter is incremented when changes occur.
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/// </summary>
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public long GetViewHashCode() => m_UpdateVersion;
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/// <summary>
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/// Suggested implementation of INotifyBindablePropertyChanged from UIToolkit.
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/// </summary>
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public event EventHandler<BindablePropertyChangedEventArgs> propertyChanged;
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void Notify([CallerMemberName] string property = null) =>
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propertyChanged?.Invoke(this, new BindablePropertyChangedEventArgs(property));
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}
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}
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