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Code Issues Releases Wiki Activity

Fix spectator client not handling multiple watch calls properly

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This commit is contained in:
Salman Ahmed 2022-08-24 09:50:29 +03:00
parent 51e607e834
commit 7e5086c8d7
1 changed files with 22 additions and 10 deletions
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32
osu.Game/Online/Spectator/SpectatorClient.cs
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@ -65,11 +65,12 @@ namespace osu.Game.Online.Spectator
public virtual event Action<int, SpectatorState>? OnUserFinishedPlaying;
/// <summary>
/// All users currently being watched.
/// A dictionary containing all users currently being watched, with the number of watching components for each user.
/// </summary>
private readonly List<int> watchedUsers = new List<int>();
private readonly Dictionary<int, int> watchedUsers = new Dictionary<int, int>();
private readonly BindableDictionary<int, SpectatorState> watchedUserStates = new BindableDictionary<int, SpectatorState>();
private readonly BindableList<int> playingUsers = new BindableList<int>();
private readonly SpectatorState currentState = new SpectatorState();
@ -94,12 +95,15 @@ namespace osu.Game.Online.Spectator
if (connected.NewValue)
{
// get all the users that were previously being watched
int[] users = watchedUsers.ToArray();
var users = new Dictionary<int, int>(watchedUsers);
watchedUsers.Clear();
// resubscribe to watched users.
foreach (int userId in users)
WatchUser(userId);
foreach ((int user, int watchers) in users)
{
for (int i = 0; i < watchers; i++)
WatchUser(user);
}
// re-send state in case it wasn't received
if (IsPlaying)
@ -121,7 +125,7 @@ namespace osu.Game.Online.Spectator
if (!playingUsers.Contains(userId))
playingUsers.Add(userId);
if (watchedUsers.Contains(userId))
if (watchedUsers.ContainsKey(userId))
watchedUserStates[userId] = state;
OnUserBeganPlaying?.Invoke(userId, state);
@ -136,7 +140,7 @@ namespace osu.Game.Online.Spectator
{
playingUsers.Remove(userId);
if (watchedUsers.Contains(userId))
if (watchedUsers.ContainsKey(userId))
watchedUserStates[userId] = state;
OnUserFinishedPlaying?.Invoke(userId, state);
@ -232,11 +236,13 @@ namespace osu.Game.Online.Spectator
{
Debug.Assert(ThreadSafety.IsUpdateThread);
if (watchedUsers.Contains(userId))
if (watchedUsers.ContainsKey(userId))
{
watchedUsers[userId]++;
return;
}
watchedUsers.Add(userId);
watchedUsers.Add(userId, 1);
WatchUserInternal(userId);
}
@ -246,6 +252,12 @@ namespace osu.Game.Online.Spectator
// Todo: This should not be a thing, but requires framework changes.
Schedule(() =>
{
if (watchedUsers.TryGetValue(userId, out int watchers) && watchers > 1)
{
watchedUsers[userId]--;
return;
}
watchedUsers.Remove(userId);
watchedUserStates.Remove(userId);
StopWatchingUserInternal(userId);