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osu-lazer/osu.Game/Scoring/ScoreManager.cs
2022-07-11 02:36:51 -04:00

279 lines
13 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 disable
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Threading;
using System.Threading.Tasks;
using JetBrains.Annotations;
using osu.Framework.Bindables;
using osu.Framework.Extensions;
using osu.Framework.Platform;
using osu.Framework.Threading;
using osu.Game.Beatmaps;
using osu.Game.Configuration;
using osu.Game.Database;
using osu.Game.IO.Archives;
using osu.Game.Overlays.Notifications;
using osu.Game.Rulesets;
using osu.Game.Rulesets.Scoring;
using osu.Game.Online.API;
namespace osu.Game.Scoring
{
public class ScoreManager : ModelManager<ScoreInfo>, IModelImporter<ScoreInfo>
{
private readonly Scheduler scheduler;
private readonly BeatmapDifficultyCache difficultyCache;
private readonly OsuConfigManager configManager;
private readonly ScoreImporter scoreImporter;
public ScoreManager(RulesetStore rulesets, Func<BeatmapManager> beatmaps, Storage storage, RealmAccess realm, Scheduler scheduler, IAPIProvider api,
BeatmapDifficultyCache difficultyCache = null, OsuConfigManager configManager = null)
: base(storage, realm)
{
this.scheduler = scheduler;
this.difficultyCache = difficultyCache;
this.configManager = configManager;
scoreImporter = new ScoreImporter(rulesets, beatmaps, storage, realm, api)
{
PostNotification = obj => PostNotification?.Invoke(obj)
};
}
public Score GetScore(ScoreInfo score) => scoreImporter.GetScore(score);
/// <summary>
/// Perform a lookup query on available <see cref="ScoreInfo"/>s.
/// </summary>
/// <param name="query">The query.</param>
/// <returns>The first result for the provided query, or null if no results were found.</returns>
public ScoreInfo Query(Expression<Func<ScoreInfo, bool>> query)
{
return Realm.Run(r => r.All<ScoreInfo>().FirstOrDefault(query)?.Detach());
}
/// <summary>
/// Orders an array of <see cref="ScoreInfo"/>s by total score.
/// </summary>
/// <param name="scores">The array of <see cref="ScoreInfo"/>s to reorder.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> to cancel the process.</param>
/// <returns>The given <paramref name="scores"/> ordered by decreasing total score.</returns>
public async Task<ScoreInfo[]> OrderByTotalScoreAsync(ScoreInfo[] scores, CancellationToken cancellationToken = default)
{
if (difficultyCache != null)
{
// Compute difficulties asynchronously first to prevent blocking via the GetTotalScore() call below.
foreach (var s in scores)
{
await difficultyCache.GetDifficultyAsync(s.BeatmapInfo, s.Ruleset, s.Mods, cancellationToken).ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested();
}
}
long[] totalScores = await Task.WhenAll(scores.Select(s => GetTotalScoreAsync(s, cancellationToken: cancellationToken))).ConfigureAwait(false);
return scores.Select((score, index) => (score, totalScore: totalScores[index]))
.OrderByDescending(g => g.totalScore)
.ThenBy(g => g.score.OnlineID)
.Select(g => g.score)
.ToArray();
}
/// <summary>
/// Retrieves a bindable that represents the total score of a <see cref="ScoreInfo"/>.
/// </summary>
/// <remarks>
/// Responds to changes in the currently-selected <see cref="ScoringMode"/>.
/// </remarks>
/// <param name="score">The <see cref="ScoreInfo"/> to retrieve the bindable for.</param>
/// <returns>The bindable containing the total score.</returns>
public Bindable<long> GetBindableTotalScore([NotNull] ScoreInfo score) => new TotalScoreBindable(score, this, configManager);
/// <summary>
/// Retrieves a bindable that represents the formatted total score string of a <see cref="ScoreInfo"/>.
/// </summary>
/// <remarks>
/// Responds to changes in the currently-selected <see cref="ScoringMode"/>.
/// </remarks>
/// <param name="score">The <see cref="ScoreInfo"/> to retrieve the bindable for.</param>
/// <returns>The bindable containing the formatted total score string.</returns>
public Bindable<string> GetBindableTotalScoreString([NotNull] ScoreInfo score) => new TotalScoreStringBindable(GetBindableTotalScore(score));
/// <summary>
/// Retrieves the total score of a <see cref="ScoreInfo"/> in the given <see cref="ScoringMode"/>.
/// The score is returned in a callback that is run on the update thread.
/// </summary>
/// <param name="score">The <see cref="ScoreInfo"/> to calculate the total score of.</param>
/// <param name="callback">The callback to be invoked with the total score.</param>
/// <param name="mode">The <see cref="ScoringMode"/> to return the total score as.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> to cancel the process.</param>
public void GetTotalScore([NotNull] ScoreInfo score, [NotNull] Action<long> callback, ScoringMode mode = ScoringMode.Standardised, CancellationToken cancellationToken = default)
{
GetTotalScoreAsync(score, mode, cancellationToken)
.ContinueWith(task => scheduler.Add(() =>
{
if (!cancellationToken.IsCancellationRequested)
callback(task.GetResultSafely());
}), TaskContinuationOptions.OnlyOnRanToCompletion);
}
/// <summary>
/// Retrieves the total score of a <see cref="ScoreInfo"/> in the given <see cref="ScoringMode"/>.
/// </summary>
/// <param name="score">The <see cref="ScoreInfo"/> to calculate the total score of.</param>
/// <param name="mode">The <see cref="ScoringMode"/> to return the total score as.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> to cancel the process.</param>
/// <returns>The total score.</returns>
public async Task<long> GetTotalScoreAsync([NotNull] ScoreInfo score, ScoringMode mode = ScoringMode.Standardised, CancellationToken cancellationToken = default)
{
// TODO: This is required for playlist aggregate scores. They should likely not be getting here in the first place.
if (string.IsNullOrEmpty(score.BeatmapInfo.MD5Hash))
return score.TotalScore;
int? beatmapMaxCombo = await GetMaximumAchievableComboAsync(score, cancellationToken).ConfigureAwait(false);
if (beatmapMaxCombo == null)
return score.TotalScore;
if (beatmapMaxCombo == 0)
return 0;
var ruleset = score.Ruleset.CreateInstance();
var scoreProcessor = ruleset.CreateScoreProcessor();
scoreProcessor.Mods.Value = score.Mods;
return (long)Math.Round(scoreProcessor.ComputeFinalLegacyScore(mode, score, beatmapMaxCombo.Value));
}
/// <summary>
/// Retrieves the maximum achievable combo for the provided score.
/// </summary>
/// <param name="score">The <see cref="ScoreInfo"/> to compute the maximum achievable combo for.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> to cancel the process.</param>
/// <returns>The maximum achievable combo. A <see langword="null"/> return value indicates the difficulty cache has failed to retrieve the combo.</returns>
public async Task<int?> GetMaximumAchievableComboAsync([NotNull] ScoreInfo score, CancellationToken cancellationToken = default)
{
if (score.IsLegacyScore)
{
// This score is guaranteed to be an osu!stable score.
// The combo must be determined through either the beatmap's max combo value or the difficulty calculator, as lazer's scoring has changed and the score statistics cannot be used.
#pragma warning disable CS0618
if (score.BeatmapInfo.MaxCombo != null)
return score.BeatmapInfo.MaxCombo.Value;
#pragma warning restore CS0618
if (difficultyCache == null)
return null;
// We can compute the max combo locally after the async beatmap difficulty computation.
var difficulty = await difficultyCache.GetDifficultyAsync(score.BeatmapInfo, score.Ruleset, score.Mods, cancellationToken).ConfigureAwait(false);
return difficulty?.MaxCombo;
}
// This is guaranteed to be a non-legacy score.
// The combo must be determined through the score's statistics, as both the beatmap's max combo and the difficulty calculator will provide osu!stable combo values.
return Enum.GetValues(typeof(HitResult)).OfType<HitResult>().Where(r => r.AffectsCombo()).Select(r => score.Statistics.GetValueOrDefault(r)).Sum();
}
/// <summary>
/// Provides the total score of a <see cref="ScoreInfo"/>. Responds to changes in the currently-selected <see cref="ScoringMode"/>.
/// </summary>
private class TotalScoreBindable : Bindable<long>
{
private readonly Bindable<ScoringMode> scoringMode = new Bindable<ScoringMode>();
private readonly ScoreInfo score;
private readonly ScoreManager scoreManager;
private CancellationTokenSource difficultyCalculationCancellationSource;
/// <summary>
/// Creates a new <see cref="TotalScoreBindable"/>.
/// </summary>
/// <param name="score">The <see cref="ScoreInfo"/> to provide the total score of.</param>
/// <param name="scoreManager">The <see cref="ScoreManager"/>.</param>
/// <param name="configManager">The config.</param>
public TotalScoreBindable(ScoreInfo score, ScoreManager scoreManager, OsuConfigManager configManager)
{
this.score = score;
this.scoreManager = scoreManager;
configManager?.BindWith(OsuSetting.ScoreDisplayMode, scoringMode);
scoringMode.BindValueChanged(onScoringModeChanged, true);
}
private void onScoringModeChanged(ValueChangedEvent<ScoringMode> mode)
{
difficultyCalculationCancellationSource?.Cancel();
difficultyCalculationCancellationSource = new CancellationTokenSource();
scoreManager.GetTotalScore(score, s => Value = s, mode.NewValue, difficultyCalculationCancellationSource.Token);
}
}
/// <summary>
/// Provides the total score of a <see cref="ScoreInfo"/> as a formatted string. Responds to changes in the currently-selected <see cref="ScoringMode"/>.
/// </summary>
private class TotalScoreStringBindable : Bindable<string>
{
// ReSharper disable once PrivateFieldCanBeConvertedToLocalVariable (need to hold a reference)
private readonly IBindable<long> totalScore;
public TotalScoreStringBindable(IBindable<long> totalScore)
{
this.totalScore = totalScore;
this.totalScore.BindValueChanged(v => Value = v.NewValue.ToString("N0"), true);
}
}
public void Delete([CanBeNull] Expression<Func<ScoreInfo, bool>> filter = null, bool silent = false)
{
Realm.Run(r =>
{
var items = r.All<ScoreInfo>()
.Where(s => !s.DeletePending);
if (filter != null)
items = items.Where(filter);
Delete(items.ToList(), silent);
});
}
public void Delete(BeatmapInfo beatmap, bool silent = false)
{
Realm.Run(r =>
{
var beatmapScores = r.Find<BeatmapInfo>(beatmap.ID).Scores.ToList();
Delete(beatmapScores, silent);
});
}
public Task Import(params string[] paths) => scoreImporter.Import(paths);
public Task Import(params ImportTask[] tasks) => scoreImporter.Import(tasks);
public override bool IsAvailableLocally(ScoreInfo model) => Realm.Run(realm => realm.All<ScoreInfo>().Any(s => s.OnlineID == model.OnlineID));
public IEnumerable<string> HandledExtensions => scoreImporter.HandledExtensions;
public Task<IEnumerable<Live<ScoreInfo>>> Import(ProgressNotification notification, params ImportTask[] tasks) => scoreImporter.Import(notification, tasks);
public Live<ScoreInfo> Import(ScoreInfo item, ArchiveReader archive = null, bool batchImport = false, CancellationToken cancellationToken = default) =>
scoreImporter.ImportModel(item, archive, batchImport, cancellationToken);
#region Implementation of IPresentImports<ScoreInfo>
public Action<IEnumerable<Live<ScoreInfo>>> PresentImport
{
set => scoreImporter.PresentImport = value;
}
#endregion
}
}