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osu-lazer/osu.Game/Screens/OnlinePlay/Components/RoomManager.cs
2023-11-21 15:15:46 +09:00

160 lines
4.5 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Development;
using osu.Framework.Graphics;
using osu.Framework.Logging;
using osu.Game.Online.API;
using osu.Game.Online.Rooms;
namespace osu.Game.Screens.OnlinePlay.Components
{
public partial class RoomManager : Component, IRoomManager
{
public event Action RoomsUpdated;
private readonly BindableList<Room> rooms = new BindableList<Room>();
public IBindableList<Room> Rooms => rooms;
protected IBindable<Room> JoinedRoom => joinedRoom;
private readonly Bindable<Room> joinedRoom = new Bindable<Room>();
[Resolved]
private IAPIProvider api { get; set; }
public RoomManager()
{
RelativeSizeAxes = Axes.Both;
}
protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);
PartRoom();
}
public virtual void CreateRoom(Room room, Action<Room> onSuccess = null, Action<string> onError = null)
{
room.Host.Value = api.LocalUser.Value;
var req = new CreateRoomRequest(room);
req.Success += result =>
{
joinedRoom.Value = room;
AddOrUpdateRoom(result);
room.CopyFrom(result); // Also copy back to the source model, since this is likely to have been stored elsewhere.
// The server may not contain all properties (such as password), so invoke success with the given room.
onSuccess?.Invoke(room);
};
req.Failure += exception =>
{
onError?.Invoke(req.Response?.Error ?? exception.Message);
};
api.Queue(req);
}
private JoinRoomRequest currentJoinRoomRequest;
public virtual void JoinRoom(Room room, string password = null, Action<Room> onSuccess = null, Action<string> onError = null)
{
currentJoinRoomRequest?.Cancel();
currentJoinRoomRequest = new JoinRoomRequest(room, password);
currentJoinRoomRequest.Success += () =>
{
joinedRoom.Value = room;
onSuccess?.Invoke(room);
};
currentJoinRoomRequest.Failure += exception =>
{
if (exception is OperationCanceledException)
return;
onError?.Invoke(exception.Message);
};
api.Queue(currentJoinRoomRequest);
}
public virtual void PartRoom()
{
currentJoinRoomRequest?.Cancel();
if (JoinedRoom.Value == null)
return;
if (api.State.Value == APIState.Online)
api.Queue(new PartRoomRequest(joinedRoom.Value));
joinedRoom.Value = null;
}
private readonly HashSet<long> ignoredRooms = new HashSet<long>();
public void AddOrUpdateRoom(Room room)
{
Debug.Assert(ThreadSafety.IsUpdateThread);
Debug.Assert(room.RoomID.Value != null);
if (ignoredRooms.Contains(room.RoomID.Value.Value))
return;
try
{
var existing = rooms.FirstOrDefault(e => e.RoomID.Value == room.RoomID.Value);
if (existing == null)
rooms.Add(room);
else
existing.CopyFrom(room);
}
catch (Exception ex)
{
Logger.Error(ex, $"Failed to update room: {room.Name.Value}.");
ignoredRooms.Add(room.RoomID.Value.Value);
rooms.Remove(room);
}
notifyRoomsUpdated();
}
public void RemoveRoom(Room room)
{
Debug.Assert(ThreadSafety.IsUpdateThread);
rooms.Remove(room);
notifyRoomsUpdated();
}
public void ClearRooms()
{
Debug.Assert(ThreadSafety.IsUpdateThread);
rooms.Clear();
notifyRoomsUpdated();
}
private void notifyRoomsUpdated()
{
Scheduler.AddOnce(invokeRoomsUpdated);
void invokeRoomsUpdated() => RoomsUpdated?.Invoke();
}
}
}