1
0
mirror of https://github.com/ppy/osu.git synced 2024-12-26 03:02:54 +08:00
osu-lazer/osu.Game/Tests/Visual/Multiplayer/TestMultiplayerClient.cs
2022-04-21 22:39:24 +09:00

587 lines
23 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 enable
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions;
using osu.Game.Online.API;
using osu.Game.Online.API.Requests.Responses;
using osu.Game.Online.Multiplayer;
using osu.Game.Online.Multiplayer.MatchTypes.TeamVersus;
using osu.Game.Online.Rooms;
using osu.Game.Rulesets.Mods;
namespace osu.Game.Tests.Visual.Multiplayer
{
/// <summary>
/// A <see cref="MultiplayerClient"/> for use in multiplayer test scenes. Should generally not be used by itself outside of a <see cref="MultiplayerTestScene"/>.
/// </summary>
public class TestMultiplayerClient : MultiplayerClient
{
public override IBindable<bool> IsConnected => isConnected;
private readonly Bindable<bool> isConnected = new Bindable<bool>(true);
/// <summary>
/// The local client's <see cref="Room"/>. This is not always equivalent to the server-side room.
/// </summary>
public new Room? APIRoom => base.APIRoom;
public Action<MultiplayerRoom>? RoomSetupAction;
public bool RoomJoined { get; private set; }
[Resolved]
private IAPIProvider api { get; set; } = null!;
private readonly TestMultiplayerRoomManager roomManager;
/// <summary>
/// Guaranteed up-to-date playlist.
/// </summary>
private readonly List<MultiplayerPlaylistItem> serverSidePlaylist = new List<MultiplayerPlaylistItem>();
/// <summary>
/// Guaranteed up-to-date API room.
/// </summary>
private Room? serverSideAPIRoom;
private MultiplayerPlaylistItem? currentItem => Room?.Playlist[currentIndex];
private int currentIndex;
private long lastPlaylistItemId;
public TestMultiplayerClient(TestMultiplayerRoomManager roomManager)
{
this.roomManager = roomManager;
}
public void Connect() => isConnected.Value = true;
public void Disconnect() => isConnected.Value = false;
public MultiplayerRoomUser AddUser(APIUser user, bool markAsPlaying = false)
{
var roomUser = new MultiplayerRoomUser(user.Id) { User = user };
addUser(roomUser);
if (markAsPlaying)
PlayingUserIds.Add(user.Id);
return roomUser;
}
public void TestAddUnresolvedUser() => addUser(new MultiplayerRoomUser(TestUserLookupCache.UNRESOLVED_USER_ID));
private void addUser(MultiplayerRoomUser user)
{
((IMultiplayerClient)this).UserJoined(user).WaitSafely();
// We want the user to be immediately available for testing, so force a scheduler update to run the update-bound continuation.
Scheduler.Update();
switch (Room?.MatchState)
{
case TeamVersusRoomState teamVersus:
Debug.Assert(Room != null);
// simulate the server's automatic assignment of users to teams on join.
// the "best" team is the one with the least users on it.
int bestTeam = teamVersus.Teams
.Select(team => (teamID: team.ID, userCount: Room.Users.Count(u => (u.MatchState as TeamVersusUserState)?.TeamID == team.ID)))
.OrderBy(pair => pair.userCount)
.First().teamID;
((IMultiplayerClient)this).MatchUserStateChanged(user.UserID, new TeamVersusUserState { TeamID = bestTeam }).WaitSafely();
break;
}
}
public void RemoveUser(APIUser user)
{
Debug.Assert(Room != null);
((IMultiplayerClient)this).UserLeft(new MultiplayerRoomUser(user.Id));
Schedule(() =>
{
if (Room.Users.Any())
TransferHost(Room.Users.First().UserID);
});
}
public void ChangeRoomState(MultiplayerRoomState newState)
{
Debug.Assert(Room != null);
((IMultiplayerClient)this).RoomStateChanged(newState);
}
public void ChangeUserState(int userId, MultiplayerUserState newState)
{
Debug.Assert(Room != null);
((IMultiplayerClient)this).UserStateChanged(userId, newState);
updateRoomStateIfRequired();
}
private void updateRoomStateIfRequired()
{
Debug.Assert(Room != null);
Debug.Assert(APIRoom != null);
Schedule(() =>
{
switch (Room.State)
{
case MultiplayerRoomState.Open:
break;
case MultiplayerRoomState.WaitingForLoad:
if (Room.Users.All(u => u.State != MultiplayerUserState.WaitingForLoad))
{
var loadedUsers = Room.Users.Where(u => u.State == MultiplayerUserState.Loaded).ToArray();
if (loadedUsers.Length == 0)
{
// all users have bailed from the load sequence. cancel the game start.
ChangeRoomState(MultiplayerRoomState.Open);
return;
}
foreach (var u in Room.Users.Where(u => u.State == MultiplayerUserState.Loaded))
ChangeUserState(u.UserID, MultiplayerUserState.Playing);
((IMultiplayerClient)this).GameplayStarted();
ChangeRoomState(MultiplayerRoomState.Playing);
}
break;
case MultiplayerRoomState.Playing:
if (Room.Users.All(u => u.State != MultiplayerUserState.Playing))
{
foreach (var u in Room.Users.Where(u => u.State == MultiplayerUserState.FinishedPlay))
ChangeUserState(u.UserID, MultiplayerUserState.Results);
ChangeRoomState(MultiplayerRoomState.Open);
((IMultiplayerClient)this).ResultsReady();
FinishCurrentItem().WaitSafely();
}
break;
}
});
}
public void ChangeUserBeatmapAvailability(int userId, BeatmapAvailability newBeatmapAvailability)
{
Debug.Assert(Room != null);
((IMultiplayerClient)this).UserBeatmapAvailabilityChanged(userId, newBeatmapAvailability);
}
protected override async Task<MultiplayerRoom> JoinRoom(long roomId, string? password = null)
{
serverSideAPIRoom = roomManager.ServerSideRooms.Single(r => r.RoomID.Value == roomId);
if (password != serverSideAPIRoom.Password.Value)
throw new InvalidOperationException("Invalid password.");
serverSidePlaylist.Clear();
serverSidePlaylist.AddRange(serverSideAPIRoom.Playlist.Select(item => new MultiplayerPlaylistItem(item)));
lastPlaylistItemId = serverSidePlaylist.Max(item => item.ID);
var localUser = new MultiplayerRoomUser(api.LocalUser.Value.Id)
{
User = api.LocalUser.Value
};
var room = new MultiplayerRoom(roomId)
{
Settings =
{
Name = serverSideAPIRoom.Name.Value,
MatchType = serverSideAPIRoom.Type.Value,
Password = password,
QueueMode = serverSideAPIRoom.QueueMode.Value,
AutoStartDuration = serverSideAPIRoom.AutoStartDuration.Value
},
Playlist = serverSidePlaylist.ToList(),
Users = { localUser },
Host = localUser
};
await updatePlaylistOrder(room).ConfigureAwait(false);
await updateCurrentItem(room, false).ConfigureAwait(false);
RoomSetupAction?.Invoke(room);
RoomSetupAction = null;
return room;
}
protected override void OnRoomJoined()
{
Debug.Assert(APIRoom != null);
Debug.Assert(Room != null);
// emulate the server sending this after the join room. scheduler required to make sure the join room event is fired first (in Join).
changeMatchType(Room.Settings.MatchType).WaitSafely();
RoomJoined = true;
}
protected override Task LeaveRoomInternal()
{
RoomJoined = false;
return Task.CompletedTask;
}
public override Task TransferHost(int userId) => ((IMultiplayerClient)this).HostChanged(userId);
public override Task KickUser(int userId)
{
Debug.Assert(Room != null);
return ((IMultiplayerClient)this).UserKicked(Room.Users.Single(u => u.UserID == userId));
}
public override async Task ChangeSettings(MultiplayerRoomSettings settings)
{
Debug.Assert(Room != null);
Debug.Assert(APIRoom != null);
Debug.Assert(currentItem != null);
// Server is authoritative for the time being.
settings.PlaylistItemId = Room.Settings.PlaylistItemId;
await changeQueueMode(settings.QueueMode).ConfigureAwait(false);
await ((IMultiplayerClient)this).SettingsChanged(settings).ConfigureAwait(false);
foreach (var user in Room.Users.Where(u => u.State == MultiplayerUserState.Ready))
ChangeUserState(user.UserID, MultiplayerUserState.Idle);
await changeMatchType(settings.MatchType).ConfigureAwait(false);
updateRoomStateIfRequired();
}
public override Task ChangeState(MultiplayerUserState newState)
{
Debug.Assert(Room != null);
if (newState == MultiplayerUserState.Idle && LocalUser?.State == MultiplayerUserState.WaitingForLoad)
return Task.CompletedTask;
ChangeUserState(api.LocalUser.Value.Id, newState);
return Task.CompletedTask;
}
public override Task ChangeBeatmapAvailability(BeatmapAvailability newBeatmapAvailability)
{
ChangeUserBeatmapAvailability(api.LocalUser.Value.Id, newBeatmapAvailability);
return Task.CompletedTask;
}
public void ChangeUserMods(int userId, IEnumerable<Mod> newMods)
=> ChangeUserMods(userId, newMods.Select(m => new APIMod(m)).ToList());
public void ChangeUserMods(int userId, IEnumerable<APIMod> newMods)
{
Debug.Assert(Room != null);
((IMultiplayerClient)this).UserModsChanged(userId, newMods.ToList());
}
public override Task ChangeUserMods(IEnumerable<APIMod> newMods)
{
ChangeUserMods(api.LocalUser.Value.Id, newMods);
return Task.CompletedTask;
}
public override async Task SendMatchRequest(MatchUserRequest request)
{
Debug.Assert(Room != null);
Debug.Assert(LocalUser != null);
switch (request)
{
case ChangeTeamRequest changeTeam:
TeamVersusRoomState roomState = (TeamVersusRoomState)Room.MatchState!;
TeamVersusUserState userState = (TeamVersusUserState)LocalUser.MatchState!;
var targetTeam = roomState.Teams.FirstOrDefault(t => t.ID == changeTeam.TeamID);
if (targetTeam != null)
{
userState.TeamID = targetTeam.ID;
await ((IMultiplayerClient)this).MatchUserStateChanged(LocalUser.UserID, userState).ConfigureAwait(false);
}
break;
}
}
public override Task StartMatch()
{
Debug.Assert(Room != null);
ChangeRoomState(MultiplayerRoomState.WaitingForLoad);
foreach (var user in Room.Users.Where(u => u.State == MultiplayerUserState.Ready))
ChangeUserState(user.UserID, MultiplayerUserState.WaitingForLoad);
return ((IMultiplayerClient)this).LoadRequested();
}
public override Task AbortGameplay()
{
Debug.Assert(Room != null);
Debug.Assert(LocalUser != null);
ChangeUserState(LocalUser.UserID, MultiplayerUserState.Idle);
return Task.CompletedTask;
}
public async Task AddUserPlaylistItem(int userId, MultiplayerPlaylistItem item)
{
Debug.Assert(Room != null);
Debug.Assert(APIRoom != null);
Debug.Assert(currentItem != null);
if (Room.Settings.QueueMode == QueueMode.HostOnly && Room.Host?.UserID != LocalUser?.UserID)
throw new InvalidOperationException("Local user is not the room host.");
item.OwnerID = userId;
await addItem(item).ConfigureAwait(false);
await updateCurrentItem(Room).ConfigureAwait(false);
updateRoomStateIfRequired();
}
public override Task AddPlaylistItem(MultiplayerPlaylistItem item) => AddUserPlaylistItem(api.LocalUser.Value.OnlineID, item);
public async Task EditUserPlaylistItem(int userId, MultiplayerPlaylistItem item)
{
Debug.Assert(Room != null);
Debug.Assert(currentItem != null);
Debug.Assert(serverSideAPIRoom != null);
item.OwnerID = userId;
var existingItem = serverSidePlaylist.SingleOrDefault(i => i.ID == item.ID);
if (existingItem == null)
throw new InvalidOperationException("Attempted to change an item that doesn't exist.");
if (existingItem.OwnerID != userId && Room.Host?.UserID != LocalUser?.UserID)
throw new InvalidOperationException("Attempted to change an item which is not owned by the user.");
if (existingItem.Expired)
throw new InvalidOperationException("Attempted to change an item which has already been played.");
// Ensure the playlist order doesn't change.
item.PlaylistOrder = existingItem.PlaylistOrder;
serverSidePlaylist[serverSidePlaylist.IndexOf(existingItem)] = item;
serverSideAPIRoom.Playlist[serverSideAPIRoom.Playlist.IndexOf(serverSideAPIRoom.Playlist.Single(i => i.ID == item.ID))] = new PlaylistItem(item);
await ((IMultiplayerClient)this).PlaylistItemChanged(item).ConfigureAwait(false);
}
public override Task EditPlaylistItem(MultiplayerPlaylistItem item) => EditUserPlaylistItem(api.LocalUser.Value.OnlineID, item);
public async Task RemoveUserPlaylistItem(int userId, long playlistItemId)
{
Debug.Assert(Room != null);
Debug.Assert(APIRoom != null);
Debug.Assert(serverSideAPIRoom != null);
var item = serverSidePlaylist.Find(i => i.ID == playlistItemId);
if (item == null)
throw new InvalidOperationException("Item does not exist in the room.");
if (item == currentItem)
throw new InvalidOperationException("The room's current item cannot be removed.");
if (item.OwnerID != userId)
throw new InvalidOperationException("Attempted to remove an item which is not owned by the user.");
if (item.Expired)
throw new InvalidOperationException("Attempted to remove an item which has already been played.");
serverSidePlaylist.Remove(item);
serverSideAPIRoom.Playlist.RemoveAll(i => i.ID == item.ID);
await ((IMultiplayerClient)this).PlaylistItemRemoved(playlistItemId).ConfigureAwait(false);
await updateCurrentItem(Room).ConfigureAwait(false);
updateRoomStateIfRequired();
}
public override Task RemovePlaylistItem(long playlistItemId) => RemoveUserPlaylistItem(api.LocalUser.Value.OnlineID, playlistItemId);
private async Task changeMatchType(MatchType type)
{
Debug.Assert(Room != null);
switch (type)
{
case MatchType.HeadToHead:
await ((IMultiplayerClient)this).MatchRoomStateChanged(null).ConfigureAwait(false);
foreach (var user in Room.Users)
await ((IMultiplayerClient)this).MatchUserStateChanged(user.UserID, null).ConfigureAwait(false);
break;
case MatchType.TeamVersus:
await ((IMultiplayerClient)this).MatchRoomStateChanged(TeamVersusRoomState.CreateDefault()).ConfigureAwait(false);
foreach (var user in Room.Users)
await ((IMultiplayerClient)this).MatchUserStateChanged(user.UserID, new TeamVersusUserState()).ConfigureAwait(false);
break;
}
}
private async Task changeQueueMode(QueueMode newMode)
{
Debug.Assert(Room != null);
Debug.Assert(APIRoom != null);
Debug.Assert(currentItem != null);
// When changing to host-only mode, ensure that at least one non-expired playlist item exists by duplicating the current item.
if (newMode == QueueMode.HostOnly && serverSidePlaylist.All(item => item.Expired))
await duplicateCurrentItem().ConfigureAwait(false);
await updatePlaylistOrder(Room).ConfigureAwait(false);
await updateCurrentItem(Room).ConfigureAwait(false);
}
public async Task FinishCurrentItem()
{
Debug.Assert(Room != null);
Debug.Assert(APIRoom != null);
Debug.Assert(currentItem != null);
// Expire the current playlist item.
currentItem.Expired = true;
currentItem.PlayedAt = DateTimeOffset.Now;
await ((IMultiplayerClient)this).PlaylistItemChanged(currentItem).ConfigureAwait(false);
await updatePlaylistOrder(Room).ConfigureAwait(false);
// In host-only mode, a duplicate playlist item will be used for the next round.
if (Room.Settings.QueueMode == QueueMode.HostOnly && serverSidePlaylist.All(item => item.Expired))
await duplicateCurrentItem().ConfigureAwait(false);
await updateCurrentItem(Room).ConfigureAwait(false);
}
private async Task duplicateCurrentItem()
{
Debug.Assert(currentItem != null);
await addItem(new MultiplayerPlaylistItem
{
BeatmapID = currentItem.BeatmapID,
BeatmapChecksum = currentItem.BeatmapChecksum,
RulesetID = currentItem.RulesetID,
RequiredMods = currentItem.RequiredMods,
AllowedMods = currentItem.AllowedMods
}).ConfigureAwait(false);
}
private async Task addItem(MultiplayerPlaylistItem item)
{
Debug.Assert(Room != null);
Debug.Assert(serverSideAPIRoom != null);
item.ID = ++lastPlaylistItemId;
serverSidePlaylist.Add(item);
serverSideAPIRoom.Playlist.Add(new PlaylistItem(item));
await ((IMultiplayerClient)this).PlaylistItemAdded(item).ConfigureAwait(false);
await updatePlaylistOrder(Room).ConfigureAwait(false);
}
private IEnumerable<MultiplayerPlaylistItem> upcomingItems => serverSidePlaylist.Where(i => !i.Expired).OrderBy(i => i.PlaylistOrder);
private async Task updateCurrentItem(MultiplayerRoom room, bool notify = true)
{
// Pick the next non-expired playlist item by playlist order, or default to the most-recently-expired item.
MultiplayerPlaylistItem nextItem = upcomingItems.FirstOrDefault() ?? serverSidePlaylist.OrderByDescending(i => i.PlayedAt).First();
currentIndex = serverSidePlaylist.IndexOf(nextItem);
long lastItem = room.Settings.PlaylistItemId;
room.Settings.PlaylistItemId = nextItem.ID;
if (notify && nextItem.ID != lastItem)
await ((IMultiplayerClient)this).SettingsChanged(room.Settings).ConfigureAwait(false);
}
private async Task updatePlaylistOrder(MultiplayerRoom room)
{
Debug.Assert(serverSideAPIRoom != null);
List<MultiplayerPlaylistItem> orderedActiveItems;
switch (room.Settings.QueueMode)
{
default:
orderedActiveItems = serverSidePlaylist.Where(item => !item.Expired).OrderBy(item => item.ID).ToList();
break;
case QueueMode.AllPlayersRoundRobin:
var itemsByPriority = new List<(MultiplayerPlaylistItem item, int priority)>();
// Assign a priority for items from each user, starting from 0 and increasing in order which the user added the items.
foreach (var group in serverSidePlaylist.Where(item => !item.Expired).OrderBy(item => item.ID).GroupBy(item => item.OwnerID))
{
int priority = 0;
itemsByPriority.AddRange(group.Select(item => (item, priority++)));
}
orderedActiveItems = itemsByPriority
// Order by each user's priority.
.OrderBy(i => i.priority)
// Many users will have the same priority of items, so attempt to break the tie by maintaining previous ordering.
// Suppose there are two users: User1 and User2. User1 adds two items, and then User2 adds a third. If the previous order is not maintained,
// then after playing the first item by User1, their second item will become priority=0 and jump to the front of the queue (because it was added first).
.ThenBy(i => i.item.PlaylistOrder)
// If there are still ties (normally shouldn't happen), break ties by making items added earlier go first.
// This could happen if e.g. the item orders get reset.
.ThenBy(i => i.item.ID)
.Select(i => i.item)
.ToList();
break;
}
for (int i = 0; i < orderedActiveItems.Count; i++)
{
var item = orderedActiveItems[i];
if (item.PlaylistOrder == i)
continue;
item.PlaylistOrder = (ushort)i;
await ((IMultiplayerClient)this).PlaylistItemChanged(item).ConfigureAwait(false);
}
// Also ensure that the API room's playlist is correct.
foreach (var item in serverSideAPIRoom.Playlist)
item.PlaylistOrder = serverSidePlaylist.Single(i => i.ID == item.ID).PlaylistOrder;
}
}
}