From 8f7ae0395a082eda458009ccdaf3504675dca9fa Mon Sep 17 00:00:00 2001 From: Dean Herbert Date: Tue, 3 Jan 2023 00:55:05 +0800 Subject: [PATCH 1/3] Fix song select leaderboard potentially showing wrong scores on quick beatmap changes Closes #22002. --- .../Select/Leaderboards/BeatmapLeaderboard.cs | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/osu.Game/Screens/Select/Leaderboards/BeatmapLeaderboard.cs b/osu.Game/Screens/Select/Leaderboards/BeatmapLeaderboard.cs index b8a2eec526..9e8247059d 100644 --- a/osu.Game/Screens/Select/Leaderboards/BeatmapLeaderboard.cs +++ b/osu.Game/Screens/Select/Leaderboards/BeatmapLeaderboard.cs @@ -154,10 +154,17 @@ namespace osu.Game.Screens.Select.Leaderboards scoreRetrievalRequest = new GetScoresRequest(fetchBeatmapInfo, fetchRuleset, Scope, requestMods); - scoreRetrievalRequest.Success += response => SetScores( - scoreManager.OrderByTotalScore(response.Scores.Select(s => s.ToScoreInfo(rulesets, fetchBeatmapInfo))), - response.UserScore?.CreateScoreInfo(rulesets, fetchBeatmapInfo) - ); + scoreRetrievalRequest.Success += response => Schedule(() => + { + // Beatmap may have changed since fetch request. Can't rely on request cancellation due to Schedule inside SetScores. + if (!fetchBeatmapInfo.Equals(BeatmapInfo)) + return; + + SetScores( + scoreManager.OrderByTotalScore(response.Scores.Select(s => s.ToScoreInfo(rulesets, fetchBeatmapInfo))), + response.UserScore?.CreateScoreInfo(rulesets, fetchBeatmapInfo) + ); + }); return scoreRetrievalRequest; } From 96e81e7f41e825e2ed631a97ab212f13ec30b259 Mon Sep 17 00:00:00 2001 From: Dean Herbert Date: Wed, 4 Jan 2023 01:41:21 +0800 Subject: [PATCH 2/3] Switch on NRT and add `IEquatable` to `GetScoresRequest` --- .../Online/API/Requests/GetScoresRequest.cs | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/osu.Game/Online/API/Requests/GetScoresRequest.cs b/osu.Game/Online/API/Requests/GetScoresRequest.cs index 7d1d26b75d..f2a2daccb5 100644 --- a/osu.Game/Online/API/Requests/GetScoresRequest.cs +++ b/osu.Game/Online/API/Requests/GetScoresRequest.cs @@ -1,8 +1,6 @@ // Copyright (c) ppy Pty Ltd . Licensed under the MIT Licence. // See the LICENCE file in the repository root for full licence text. -#nullable disable - using System; using osu.Game.Beatmaps; using osu.Game.Rulesets; @@ -11,10 +9,11 @@ using osu.Game.Online.API.Requests.Responses; using osu.Game.Rulesets.Mods; using System.Text; using System.Collections.Generic; +using System.Linq; namespace osu.Game.Online.API.Requests { - public class GetScoresRequest : APIRequest + public class GetScoresRequest : APIRequest, IEquatable { public const int MAX_SCORES_PER_REQUEST = 50; @@ -23,7 +22,7 @@ namespace osu.Game.Online.API.Requests private readonly IRulesetInfo ruleset; private readonly IEnumerable mods; - public GetScoresRequest(IBeatmapInfo beatmapInfo, IRulesetInfo ruleset, BeatmapLeaderboardScope scope = BeatmapLeaderboardScope.Global, IEnumerable mods = null) + public GetScoresRequest(IBeatmapInfo beatmapInfo, IRulesetInfo ruleset, BeatmapLeaderboardScope scope = BeatmapLeaderboardScope.Global, IEnumerable? mods = null) { if (beatmapInfo.OnlineID <= 0) throw new InvalidOperationException($"Cannot lookup a beatmap's scores without having a populated {nameof(IBeatmapInfo.OnlineID)}."); @@ -51,5 +50,16 @@ namespace osu.Game.Online.API.Requests return query.ToString(); } + + public bool Equals(GetScoresRequest? other) + { + if (ReferenceEquals(null, other)) return false; + if (ReferenceEquals(this, other)) return true; + + return beatmapInfo.Equals(other.beatmapInfo) + && scope == other.scope + && ruleset.Equals(other.ruleset) + && mods.SequenceEqual(other.mods); + } } } From beb3b96aca7366fa812d436103ffbdfa5b682eee Mon Sep 17 00:00:00 2001 From: Dean Herbert Date: Wed, 4 Jan 2023 01:44:00 +0800 Subject: [PATCH 3/3] Harden request equality checks --- .../Select/Leaderboards/BeatmapLeaderboard.cs | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/osu.Game/Screens/Select/Leaderboards/BeatmapLeaderboard.cs b/osu.Game/Screens/Select/Leaderboards/BeatmapLeaderboard.cs index 9e8247059d..c419501add 100644 --- a/osu.Game/Screens/Select/Leaderboards/BeatmapLeaderboard.cs +++ b/osu.Game/Screens/Select/Leaderboards/BeatmapLeaderboard.cs @@ -152,12 +152,14 @@ namespace osu.Game.Screens.Select.Leaderboards else if (filterMods) requestMods = mods.Value; - scoreRetrievalRequest = new GetScoresRequest(fetchBeatmapInfo, fetchRuleset, Scope, requestMods); + scoreRetrievalRequest?.Cancel(); - scoreRetrievalRequest.Success += response => Schedule(() => + var newRequest = new GetScoresRequest(fetchBeatmapInfo, fetchRuleset, Scope, requestMods); + newRequest.Success += response => Schedule(() => { - // Beatmap may have changed since fetch request. Can't rely on request cancellation due to Schedule inside SetScores. - if (!fetchBeatmapInfo.Equals(BeatmapInfo)) + // Request may have changed since fetch request. + // Can't rely on request cancellation due to Schedule inside SetScores so let's play it safe. + if (!newRequest.Equals(scoreRetrievalRequest)) return; SetScores( @@ -166,7 +168,7 @@ namespace osu.Game.Screens.Select.Leaderboards ); }); - return scoreRetrievalRequest; + return scoreRetrievalRequest = newRequest; } protected override LeaderboardScore CreateDrawableScore(ScoreInfo model, int index) => new LeaderboardScore(model, index, IsOnlineScope)