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214 lines
6.9 KiB
C#
214 lines
6.9 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Game.Beatmaps;
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using osu.Game.Online.API;
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using osu.Game.Online.API.Requests;
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using osu.Game.Online.Leaderboards;
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using osu.Game.Rulesets;
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using osu.Game.Rulesets.Mods;
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using osu.Game.Scoring;
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namespace osu.Game.Screens.Select.Leaderboards
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{
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public class BeatmapLeaderboard : Leaderboard<BeatmapLeaderboardScope, ScoreInfo>
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{
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public Action<ScoreInfo> ScoreSelected;
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[Resolved]
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private RulesetStore rulesets { get; set; }
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private BeatmapInfo beatmapInfo;
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public BeatmapInfo BeatmapInfo
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{
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get => beatmapInfo;
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set
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{
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if (beatmapInfo == value)
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return;
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beatmapInfo = value;
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Scores = null;
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UpdateScores();
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}
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}
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private bool filterMods;
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/// <summary>
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/// Whether to apply the game's currently selected mods as a filter when retrieving scores.
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/// </summary>
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public bool FilterMods
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{
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get => filterMods;
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set
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{
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if (value == filterMods)
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return;
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filterMods = value;
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UpdateScores();
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}
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}
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[Resolved]
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private ScoreManager scoreManager { get; set; }
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[Resolved]
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private IBindable<RulesetInfo> ruleset { get; set; }
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[Resolved]
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private IBindable<IReadOnlyList<Mod>> mods { get; set; }
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[Resolved]
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private IAPIProvider api { get; set; }
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[BackgroundDependencyLoader]
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private void load()
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{
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ruleset.ValueChanged += _ => UpdateScores();
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mods.ValueChanged += _ =>
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{
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if (filterMods)
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UpdateScores();
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};
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scoreManager.ItemRemoved += scoreStoreChanged;
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scoreManager.ItemUpdated += scoreStoreChanged;
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}
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protected override void Reset()
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{
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base.Reset();
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TopScore = null;
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}
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private void scoreStoreChanged(ScoreInfo score)
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{
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if (Scope != BeatmapLeaderboardScope.Local)
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return;
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if (BeatmapInfo?.ID != score.BeatmapInfoID)
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return;
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RefreshScores();
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}
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protected override bool IsOnlineScope => Scope != BeatmapLeaderboardScope.Local;
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private CancellationTokenSource loadCancellationSource;
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protected override APIRequest FetchScores(Action<IEnumerable<ScoreInfo>> scoresCallback)
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{
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loadCancellationSource?.Cancel();
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loadCancellationSource = new CancellationTokenSource();
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var cancellationToken = loadCancellationSource.Token;
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if (BeatmapInfo == null)
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{
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PlaceholderState = PlaceholderState.NoneSelected;
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return null;
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}
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if (Scope == BeatmapLeaderboardScope.Local)
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{
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var scores = scoreManager
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.QueryScores(s => !s.DeletePending && s.BeatmapInfo.ID == BeatmapInfo.ID && s.Ruleset.ID == ruleset.Value.ID);
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if (filterMods && !mods.Value.Any())
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{
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// we need to filter out all scores that have any mods to get all local nomod scores
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scores = scores.Where(s => !s.Mods.Any());
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}
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else if (filterMods)
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{
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// otherwise find all the scores that have *any* of the currently selected mods (similar to how web applies mod filters)
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// we're creating and using a string list representation of selected mods so that it can be translated into the DB query itself
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var selectedMods = mods.Value.Select(m => m.Acronym);
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scores = scores.Where(s => s.Mods.Any(m => selectedMods.Contains(m.Acronym)));
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}
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scoreManager.OrderByTotalScoreAsync(scores.ToArray(), cancellationToken)
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.ContinueWith(ordered => scoresCallback?.Invoke(ordered.Result), TaskContinuationOptions.OnlyOnRanToCompletion);
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return null;
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}
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if (api?.IsLoggedIn != true)
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{
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PlaceholderState = PlaceholderState.NotLoggedIn;
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return null;
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}
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if (BeatmapInfo.OnlineID == null || BeatmapInfo?.Status <= BeatmapOnlineStatus.Pending)
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{
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PlaceholderState = PlaceholderState.Unavailable;
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return null;
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}
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if (!api.LocalUser.Value.IsSupporter && (Scope != BeatmapLeaderboardScope.Global || filterMods))
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{
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PlaceholderState = PlaceholderState.NotSupporter;
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return null;
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}
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IReadOnlyList<Mod> requestMods = null;
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if (filterMods && !mods.Value.Any())
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// add nomod for the request
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requestMods = new Mod[] { new ModNoMod() };
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else if (filterMods)
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requestMods = mods.Value;
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var req = new GetScoresRequest(BeatmapInfo, ruleset.Value ?? BeatmapInfo.Ruleset, Scope, requestMods);
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req.Success += r =>
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{
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scoreManager.OrderByTotalScoreAsync(r.Scores.Select(s => s.CreateScoreInfo(rulesets, BeatmapInfo)).ToArray(), cancellationToken)
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.ContinueWith(ordered => Schedule(() =>
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{
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if (cancellationToken.IsCancellationRequested)
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return;
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scoresCallback?.Invoke(ordered.Result);
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TopScore = r.UserScore?.CreateScoreInfo(rulesets, BeatmapInfo);
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}), TaskContinuationOptions.OnlyOnRanToCompletion);
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};
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return req;
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}
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protected override LeaderboardScore CreateDrawableScore(ScoreInfo model, int index) => new LeaderboardScore(model, index, IsOnlineScope)
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{
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Action = () => ScoreSelected?.Invoke(model)
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};
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protected override LeaderboardScore CreateDrawableTopScore(ScoreInfo model) => new LeaderboardScore(model, model.Position, false)
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{
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Action = () => ScoreSelected?.Invoke(model)
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};
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protected override void Dispose(bool isDisposing)
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{
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base.Dispose(isDisposing);
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if (scoreManager != null)
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{
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scoreManager.ItemRemoved -= scoreStoreChanged;
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scoreManager.ItemUpdated -= scoreStoreChanged;
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}
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}
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}
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}
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