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mirror of https://github.com/ppy/osu.git synced 2024-11-07 07:27:25 +08:00
osu-lazer/osu.Game/Beatmaps/BeatmapManager.cs

552 lines
23 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.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Linq.Expressions;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using JetBrains.Annotations;
using Microsoft.EntityFrameworkCore;
using osu.Framework.Audio;
using osu.Framework.Audio.Track;
using osu.Framework.Bindables;
using osu.Framework.Extensions;
using osu.Framework.Graphics.Textures;
using osu.Framework.IO.Stores;
using osu.Framework.Lists;
using osu.Framework.Logging;
using osu.Framework.Platform;
using osu.Framework.Statistics;
using osu.Framework.Testing;
using osu.Game.Beatmaps.Formats;
using osu.Game.Database;
using osu.Game.IO;
using osu.Game.IO.Archives;
using osu.Game.Online.API;
using osu.Game.Online.API.Requests;
using osu.Game.Rulesets;
using osu.Game.Rulesets.Objects;
using osu.Game.Skinning;
using osu.Game.Users;
using Decoder = osu.Game.Beatmaps.Formats.Decoder;
namespace osu.Game.Beatmaps
{
/// <summary>
/// Handles the storage and retrieval of Beatmaps/WorkingBeatmaps.
/// </summary>
[ExcludeFromDynamicCompile]
public partial class BeatmapManager : DownloadableArchiveModelManager<BeatmapSetInfo, BeatmapSetFileInfo>, IDisposable, IBeatmapResourceProvider
{
/// <summary>
/// Fired when a single difficulty has been hidden.
/// </summary>
public IBindable<WeakReference<BeatmapInfo>> BeatmapHidden => beatmapHidden;
private readonly Bindable<WeakReference<BeatmapInfo>> beatmapHidden = new Bindable<WeakReference<BeatmapInfo>>();
/// <summary>
/// Fired when a single difficulty has been restored.
/// </summary>
public IBindable<WeakReference<BeatmapInfo>> BeatmapRestored => beatmapRestored;
private readonly Bindable<WeakReference<BeatmapInfo>> beatmapRestored = new Bindable<WeakReference<BeatmapInfo>>();
/// <summary>
/// A default representation of a WorkingBeatmap to use when no beatmap is available.
/// </summary>
public readonly WorkingBeatmap DefaultBeatmap;
public override IEnumerable<string> HandledExtensions => new[] { ".osz" };
protected override string[] HashableFileTypes => new[] { ".osu" };
protected override string ImportFromStablePath => ".";
protected override Storage PrepareStableStorage(StableStorage stableStorage) => stableStorage.GetSongStorage();
private readonly RulesetStore rulesets;
private readonly BeatmapStore beatmaps;
private readonly AudioManager audioManager;
private readonly IResourceStore<byte[]> resources;
private readonly LargeTextureStore largeTextureStore;
private readonly ITrackStore trackStore;
[CanBeNull]
private readonly GameHost host;
[CanBeNull]
private readonly BeatmapOnlineLookupQueue onlineLookupQueue;
public BeatmapManager(Storage storage, IDatabaseContextFactory contextFactory, RulesetStore rulesets, IAPIProvider api, [NotNull] AudioManager audioManager, IResourceStore<byte[]> resources, GameHost host = null,
WorkingBeatmap defaultBeatmap = null, bool performOnlineLookups = false)
: base(storage, contextFactory, api, new BeatmapStore(contextFactory), host)
{
this.rulesets = rulesets;
this.audioManager = audioManager;
this.resources = resources;
this.host = host;
DefaultBeatmap = defaultBeatmap;
beatmaps = (BeatmapStore)ModelStore;
beatmaps.BeatmapHidden += b => beatmapHidden.Value = new WeakReference<BeatmapInfo>(b);
beatmaps.BeatmapRestored += b => beatmapRestored.Value = new WeakReference<BeatmapInfo>(b);
beatmaps.ItemRemoved += removeWorkingCache;
beatmaps.ItemUpdated += removeWorkingCache;
if (performOnlineLookups)
onlineLookupQueue = new BeatmapOnlineLookupQueue(api, storage);
largeTextureStore = new LargeTextureStore(host?.CreateTextureLoaderStore(Files.Store));
trackStore = audioManager.GetTrackStore(Files.Store);
}
protected override ArchiveDownloadRequest<BeatmapSetInfo> CreateDownloadRequest(BeatmapSetInfo set, bool minimiseDownloadSize) =>
new DownloadBeatmapSetRequest(set, minimiseDownloadSize);
protected override bool ShouldDeleteArchive(string path) => Path.GetExtension(path)?.ToLowerInvariant() == ".osz";
public WorkingBeatmap CreateNew(RulesetInfo ruleset, User user)
{
var metadata = new BeatmapMetadata
{
Author = user,
};
var set = new BeatmapSetInfo
{
Metadata = metadata,
Beatmaps = new List<BeatmapInfo>
{
new BeatmapInfo
{
BaseDifficulty = new BeatmapDifficulty(),
Ruleset = ruleset,
Metadata = metadata,
}
}
};
var working = Import(set).Result;
return GetWorkingBeatmap(working.Beatmaps.First());
}
protected override async Task Populate(BeatmapSetInfo beatmapSet, ArchiveReader archive, CancellationToken cancellationToken = default)
{
if (archive != null)
beatmapSet.Beatmaps = createBeatmapDifficulties(beatmapSet.Files);
foreach (BeatmapInfo b in beatmapSet.Beatmaps)
{
// remove metadata from difficulties where it matches the set
if (beatmapSet.Metadata.Equals(b.Metadata))
b.Metadata = null;
b.BeatmapSet = beatmapSet;
}
validateOnlineIds(beatmapSet);
bool hadOnlineBeatmapIDs = beatmapSet.Beatmaps.Any(b => b.OnlineBeatmapID > 0);
if (onlineLookupQueue != null)
await onlineLookupQueue.UpdateAsync(beatmapSet, cancellationToken).ConfigureAwait(false);
// ensure at least one beatmap was able to retrieve or keep an online ID, else drop the set ID.
if (hadOnlineBeatmapIDs && !beatmapSet.Beatmaps.Any(b => b.OnlineBeatmapID > 0))
{
if (beatmapSet.OnlineBeatmapSetID != null)
{
beatmapSet.OnlineBeatmapSetID = null;
LogForModel(beatmapSet, "Disassociating beatmap set ID due to loss of all beatmap IDs");
}
}
}
protected override void PreImport(BeatmapSetInfo beatmapSet)
{
if (beatmapSet.Beatmaps.Any(b => b.BaseDifficulty == null))
throw new InvalidOperationException($"Cannot import {nameof(BeatmapInfo)} with null {nameof(BeatmapInfo.BaseDifficulty)}.");
// check if a set already exists with the same online id, delete if it does.
if (beatmapSet.OnlineBeatmapSetID != null)
{
var existingOnlineId = beatmaps.ConsumableItems.FirstOrDefault(b => b.OnlineBeatmapSetID == beatmapSet.OnlineBeatmapSetID);
if (existingOnlineId != null)
{
Delete(existingOnlineId);
beatmaps.PurgeDeletable(s => s.ID == existingOnlineId.ID);
LogForModel(beatmapSet, $"Found existing beatmap set with same OnlineBeatmapSetID ({beatmapSet.OnlineBeatmapSetID}). It has been purged.");
}
}
}
private void validateOnlineIds(BeatmapSetInfo beatmapSet)
{
var beatmapIds = beatmapSet.Beatmaps.Where(b => b.OnlineBeatmapID.HasValue).Select(b => b.OnlineBeatmapID).ToList();
LogForModel(beatmapSet, $"Validating online IDs for {beatmapSet.Beatmaps.Count} beatmaps...");
// ensure all IDs are unique
if (beatmapIds.GroupBy(b => b).Any(g => g.Count() > 1))
{
LogForModel(beatmapSet, "Found non-unique IDs, resetting...");
resetIds();
return;
}
// find any existing beatmaps in the database that have matching online ids
var existingBeatmaps = QueryBeatmaps(b => beatmapIds.Contains(b.OnlineBeatmapID)).ToList();
if (existingBeatmaps.Count > 0)
{
// reset the import ids (to force a re-fetch) *unless* they match the candidate CheckForExisting set.
// we can ignore the case where the new ids are contained by the CheckForExisting set as it will either be used (import skipped) or deleted.
var existing = CheckForExisting(beatmapSet);
if (existing == null || existingBeatmaps.Any(b => !existing.Beatmaps.Contains(b)))
{
LogForModel(beatmapSet, "Found existing import with IDs already, resetting...");
resetIds();
}
}
void resetIds() => beatmapSet.Beatmaps.ForEach(b => b.OnlineBeatmapID = null);
}
protected override bool CheckLocalAvailability(BeatmapSetInfo model, IQueryable<BeatmapSetInfo> items)
=> base.CheckLocalAvailability(model, items)
|| (model.OnlineBeatmapSetID != null && items.Any(b => b.OnlineBeatmapSetID == model.OnlineBeatmapSetID));
/// <summary>
/// Delete a beatmap difficulty.
/// </summary>
/// <param name="beatmap">The beatmap difficulty to hide.</param>
public void Hide(BeatmapInfo beatmap) => beatmaps.Hide(beatmap);
/// <summary>
/// Restore a beatmap difficulty.
/// </summary>
/// <param name="beatmap">The beatmap difficulty to restore.</param>
public void Restore(BeatmapInfo beatmap) => beatmaps.Restore(beatmap);
/// <summary>
/// Saves an <see cref="IBeatmap"/> file against a given <see cref="BeatmapInfo"/>.
/// </summary>
/// <param name="info">The <see cref="BeatmapInfo"/> to save the content against. The file referenced by <see cref="BeatmapInfo.Path"/> will be replaced.</param>
/// <param name="beatmapContent">The <see cref="IBeatmap"/> content to write.</param>
/// <param name="beatmapSkin">The beatmap <see cref="ISkin"/> content to write, null if to be omitted.</param>
public virtual void Save(BeatmapInfo info, IBeatmap beatmapContent, ISkin beatmapSkin = null)
{
var setInfo = info.BeatmapSet;
using (var stream = new MemoryStream())
{
using (var sw = new StreamWriter(stream, Encoding.UTF8, 1024, true))
new LegacyBeatmapEncoder(beatmapContent, beatmapSkin).Encode(sw);
stream.Seek(0, SeekOrigin.Begin);
using (ContextFactory.GetForWrite())
{
var beatmapInfo = setInfo.Beatmaps.Single(b => b.ID == info.ID);
var metadata = beatmapInfo.Metadata ?? setInfo.Metadata;
// grab the original file (or create a new one if not found).
var fileInfo = setInfo.Files.SingleOrDefault(f => string.Equals(f.Filename, beatmapInfo.Path, StringComparison.OrdinalIgnoreCase)) ?? new BeatmapSetFileInfo();
// metadata may have changed; update the path with the standard format.
beatmapInfo.Path = $"{metadata.Artist} - {metadata.Title} ({metadata.Author}) [{beatmapInfo.Version}].osu";
beatmapInfo.MD5Hash = stream.ComputeMD5Hash();
// update existing or populate new file's filename.
fileInfo.Filename = beatmapInfo.Path;
stream.Seek(0, SeekOrigin.Begin);
ReplaceFile(setInfo, fileInfo, stream);
}
}
removeWorkingCache(info);
}
private readonly WeakList<BeatmapManagerWorkingBeatmap> workingCache = new WeakList<BeatmapManagerWorkingBeatmap>();
/// <summary>
/// Retrieve a <see cref="WorkingBeatmap"/> instance for the provided <see cref="BeatmapInfo"/>
/// </summary>
/// <param name="beatmapInfo">The beatmap to lookup.</param>
/// <returns>A <see cref="WorkingBeatmap"/> instance correlating to the provided <see cref="BeatmapInfo"/>.</returns>
public virtual WorkingBeatmap GetWorkingBeatmap(BeatmapInfo beatmapInfo)
{
// if there are no files, presume the full beatmap info has not yet been fetched from the database.
if (beatmapInfo?.BeatmapSet?.Files.Count == 0)
{
int lookupId = beatmapInfo.ID;
beatmapInfo = QueryBeatmap(b => b.ID == lookupId);
}
if (beatmapInfo?.BeatmapSet == null)
return DefaultBeatmap;
lock (workingCache)
{
var working = workingCache.FirstOrDefault(w => w.BeatmapInfo?.ID == beatmapInfo.ID);
if (working != null)
return working;
beatmapInfo.Metadata ??= beatmapInfo.BeatmapSet.Metadata;
workingCache.Add(working = new BeatmapManagerWorkingBeatmap(beatmapInfo, this));
// best effort; may be higher than expected.
GlobalStatistics.Get<int>(nameof(Beatmaps), $"Cached {nameof(WorkingBeatmap)}s").Value = workingCache.Count();
return working;
}
}
/// <summary>
/// Perform a lookup query on available <see cref="BeatmapSetInfo"/>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 BeatmapSetInfo QueryBeatmapSet(Expression<Func<BeatmapSetInfo, bool>> query) => beatmaps.ConsumableItems.AsNoTracking().FirstOrDefault(query);
protected override bool CanReuseExisting(BeatmapSetInfo existing, BeatmapSetInfo import)
{
if (!base.CanReuseExisting(existing, import))
return false;
var existingIds = existing.Beatmaps.Select(b => b.OnlineBeatmapID).OrderBy(i => i);
var importIds = import.Beatmaps.Select(b => b.OnlineBeatmapID).OrderBy(i => i);
// force re-import if we are not in a sane state.
return existing.OnlineBeatmapSetID == import.OnlineBeatmapSetID && existingIds.SequenceEqual(importIds);
}
/// <summary>
/// Returns a list of all usable <see cref="BeatmapSetInfo"/>s.
/// </summary>
/// <returns>A list of available <see cref="BeatmapSetInfo"/>.</returns>
public List<BeatmapSetInfo> GetAllUsableBeatmapSets(IncludedDetails includes = IncludedDetails.All, bool includeProtected = false) =>
GetAllUsableBeatmapSetsEnumerable(includes, includeProtected).ToList();
/// <summary>
/// Returns a list of all usable <see cref="BeatmapSetInfo"/>s. Note that files are not populated.
/// </summary>
/// <param name="includes">The level of detail to include in the returned objects.</param>
/// <param name="includeProtected">Whether to include protected (system) beatmaps. These should not be included for gameplay playable use cases.</param>
/// <returns>A list of available <see cref="BeatmapSetInfo"/>.</returns>
public IEnumerable<BeatmapSetInfo> GetAllUsableBeatmapSetsEnumerable(IncludedDetails includes, bool includeProtected = false)
{
IQueryable<BeatmapSetInfo> queryable;
switch (includes)
{
case IncludedDetails.Minimal:
queryable = beatmaps.BeatmapSetsOverview;
break;
case IncludedDetails.AllButFiles:
queryable = beatmaps.BeatmapSetsWithoutFiles;
break;
default:
queryable = beatmaps.ConsumableItems;
break;
}
// AsEnumerable used here to avoid applying the WHERE in sql. When done so, ef core 2.x uses an incorrect ORDER BY
// clause which causes queries to take 5-10x longer.
// TODO: remove if upgrading to EF core 3.x.
return queryable.AsEnumerable().Where(s => !s.DeletePending && (includeProtected || !s.Protected));
}
/// <summary>
/// Perform a lookup query on available <see cref="BeatmapSetInfo"/>s.
/// </summary>
/// <param name="query">The query.</param>
/// <returns>Results from the provided query.</returns>
public IEnumerable<BeatmapSetInfo> QueryBeatmapSets(Expression<Func<BeatmapSetInfo, bool>> query) => beatmaps.ConsumableItems.AsNoTracking().Where(query);
/// <summary>
/// Perform a lookup query on available <see cref="BeatmapInfo"/>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 BeatmapInfo QueryBeatmap(Expression<Func<BeatmapInfo, bool>> query) => beatmaps.Beatmaps.AsNoTracking().FirstOrDefault(query);
/// <summary>
/// Perform a lookup query on available <see cref="BeatmapInfo"/>s.
/// </summary>
/// <param name="query">The query.</param>
/// <returns>Results from the provided query.</returns>
public IQueryable<BeatmapInfo> QueryBeatmaps(Expression<Func<BeatmapInfo, bool>> query) => beatmaps.Beatmaps.AsNoTracking().Where(query);
protected override string HumanisedModelName => "beatmap";
protected override BeatmapSetInfo CreateModel(ArchiveReader reader)
{
// let's make sure there are actually .osu files to import.
string mapName = reader.Filenames.FirstOrDefault(f => f.EndsWith(".osu", StringComparison.OrdinalIgnoreCase));
if (string.IsNullOrEmpty(mapName))
{
Logger.Log($"No beatmap files found in the beatmap archive ({reader.Name}).", LoggingTarget.Database);
return null;
}
Beatmap beatmap;
using (var stream = new LineBufferedReader(reader.GetStream(mapName)))
beatmap = Decoder.GetDecoder<Beatmap>(stream).Decode(stream);
return new BeatmapSetInfo
{
OnlineBeatmapSetID = beatmap.BeatmapInfo.BeatmapSet?.OnlineBeatmapSetID,
Beatmaps = new List<BeatmapInfo>(),
Metadata = beatmap.Metadata,
DateAdded = DateTimeOffset.UtcNow
};
}
/// <summary>
/// Create all required <see cref="BeatmapInfo"/>s for the provided archive.
/// </summary>
private List<BeatmapInfo> createBeatmapDifficulties(List<BeatmapSetFileInfo> files)
{
var beatmapInfos = new List<BeatmapInfo>();
foreach (var file in files.Where(f => f.Filename.EndsWith(".osu", StringComparison.OrdinalIgnoreCase)))
{
using (var raw = Files.Store.GetStream(file.FileInfo.StoragePath))
using (var ms = new MemoryStream()) // we need a memory stream so we can seek
using (var sr = new LineBufferedReader(ms))
{
raw.CopyTo(ms);
ms.Position = 0;
var decoder = Decoder.GetDecoder<Beatmap>(sr);
IBeatmap beatmap = decoder.Decode(sr);
string hash = ms.ComputeSHA2Hash();
if (beatmapInfos.Any(b => b.Hash == hash))
continue;
beatmap.BeatmapInfo.Path = file.Filename;
beatmap.BeatmapInfo.Hash = hash;
beatmap.BeatmapInfo.MD5Hash = ms.ComputeMD5Hash();
var ruleset = rulesets.GetRuleset(beatmap.BeatmapInfo.RulesetID);
beatmap.BeatmapInfo.Ruleset = ruleset;
// TODO: this should be done in a better place once we actually need to dynamically update it.
beatmap.BeatmapInfo.StarDifficulty = ruleset?.CreateInstance().CreateDifficultyCalculator(new DummyConversionBeatmap(beatmap)).Calculate().StarRating ?? 0;
beatmap.BeatmapInfo.Length = calculateLength(beatmap);
beatmap.BeatmapInfo.BPM = 60000 / beatmap.GetMostCommonBeatLength();
beatmapInfos.Add(beatmap.BeatmapInfo);
}
}
return beatmapInfos;
}
private double calculateLength(IBeatmap b)
{
if (!b.HitObjects.Any())
return 0;
var lastObject = b.HitObjects.Last();
//TODO: this isn't always correct (consider mania where a non-last object may last for longer than the last in the list).
double endTime = lastObject.GetEndTime();
double startTime = b.HitObjects.First().StartTime;
return endTime - startTime;
}
private void removeWorkingCache(BeatmapSetInfo info)
{
if (info.Beatmaps == null) return;
foreach (var b in info.Beatmaps)
removeWorkingCache(b);
}
private void removeWorkingCache(BeatmapInfo info)
{
lock (workingCache)
{
var working = workingCache.FirstOrDefault(w => w.BeatmapInfo?.ID == info.ID);
if (working != null)
workingCache.Remove(working);
}
}
public void Dispose()
{
onlineLookupQueue?.Dispose();
}
#region IResourceStorageProvider
TextureStore IBeatmapResourceProvider.LargeTextureStore => largeTextureStore;
ITrackStore IBeatmapResourceProvider.Tracks => trackStore;
AudioManager IStorageResourceProvider.AudioManager => audioManager;
IResourceStore<byte[]> IStorageResourceProvider.Files => Files.Store;
IResourceStore<byte[]> IStorageResourceProvider.Resources => resources;
IResourceStore<TextureUpload> IStorageResourceProvider.CreateTextureLoaderStore(IResourceStore<byte[]> underlyingStore) => host?.CreateTextureLoaderStore(underlyingStore);
#endregion
/// <summary>
/// A dummy WorkingBeatmap for the purpose of retrieving a beatmap for star difficulty calculation.
/// </summary>
private class DummyConversionBeatmap : WorkingBeatmap
{
private readonly IBeatmap beatmap;
public DummyConversionBeatmap(IBeatmap beatmap)
: base(beatmap.BeatmapInfo, null)
{
this.beatmap = beatmap;
}
protected override IBeatmap GetBeatmap() => beatmap;
protected override Texture GetBackground() => null;
protected override Track GetBeatmapTrack() => null;
protected override ISkin GetSkin() => null;
public override Stream GetStream(string storagePath) => null;
}
}
/// <summary>
/// The level of detail to include in database results.
/// </summary>
public enum IncludedDetails
{
/// <summary>
/// Only include beatmap difficulties and set level metadata.
/// </summary>
Minimal,
/// <summary>
/// Include all difficulties, rulesets, difficulty metadata but no files.
/// </summary>
AllButFiles,
/// <summary>
/// Include everything.
/// </summary>
All
}
}