mirror of https://github.com/ppy/osu
91 lines
2.9 KiB
C#
91 lines
2.9 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.Linq;
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using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
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using osu.Framework.Threading;
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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.Leaderboards;
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using osu.Game.Rulesets;
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using osu.Game.Scoring;
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namespace osu.Game.Screens.Select.Carousel
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{
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public class TopLocalRank : UpdateableRank
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{
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private readonly BeatmapInfo beatmap;
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[Resolved]
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private ScoreManager scores { 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 IAPIProvider api { get; set; }
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private IBindable<WeakReference<ScoreInfo>> itemUpdated;
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private IBindable<WeakReference<ScoreInfo>> itemRemoved;
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public TopLocalRank(BeatmapInfo beatmap)
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: base(null)
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{
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this.beatmap = beatmap;
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}
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[BackgroundDependencyLoader]
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private void load()
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{
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itemUpdated = scores.ItemUpdated.GetBoundCopy();
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itemUpdated.BindValueChanged(scoreChanged);
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itemRemoved = scores.ItemRemoved.GetBoundCopy();
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itemRemoved.BindValueChanged(scoreChanged);
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ruleset.ValueChanged += _ => fetchAndLoadTopScore();
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fetchAndLoadTopScore();
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}
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private void scoreChanged(ValueChangedEvent<WeakReference<ScoreInfo>> weakScore)
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{
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if (weakScore.NewValue.TryGetTarget(out var score))
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{
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if (score.BeatmapInfoID == beatmap.ID)
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fetchAndLoadTopScore();
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}
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}
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private ScheduledDelegate scheduledRankUpdate;
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private void fetchAndLoadTopScore()
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{
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var rank = fetchTopScore()?.Rank;
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scheduledRankUpdate = Schedule(() =>
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{
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Rank = rank;
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// Required since presence is changed via IsPresent override
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Invalidate(Invalidation.Presence);
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});
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}
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// We're present if a rank is set, or if there is a pending rank update (IsPresent = true is required for the scheduler to run).
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public override bool IsPresent => base.IsPresent && (Rank != null || scheduledRankUpdate?.Completed == false);
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private ScoreInfo fetchTopScore()
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{
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if (scores == null || beatmap == null || ruleset?.Value == null || api?.LocalUser.Value == null)
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return null;
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return scores.QueryScores(s => s.UserID == api.LocalUser.Value.Id && s.BeatmapInfoID == beatmap.ID && s.RulesetID == ruleset.Value.ID && !s.DeletePending)
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.OrderByDescending(s => s.TotalScore)
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.FirstOrDefault();
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}
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}
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}
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