mirror of
https://github.com/ppy/osu
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613 lines
24 KiB
C#
613 lines
24 KiB
C#
// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Threading.Tasks;
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using Ionic.Zip;
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using osu.Framework.Audio.Track;
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using osu.Framework.Extensions;
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using osu.Framework.Graphics.Textures;
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using osu.Framework.IO.Stores;
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using osu.Framework.Logging;
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using osu.Framework.Platform;
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using osu.Game.Beatmaps.Formats;
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using osu.Game.Beatmaps.IO;
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using osu.Game.Database;
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using osu.Game.IO;
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using osu.Game.IPC;
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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.Overlays.Notifications;
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using osu.Game.Rulesets;
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namespace osu.Game.Beatmaps
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{
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/// <summary>
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/// Handles the storage and retrieval of Beatmaps/WorkingBeatmaps.
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/// </summary>
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public class BeatmapManager
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{
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/// <summary>
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/// Fired when a new <see cref="BeatmapSetInfo"/> becomes available in the database.
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/// </summary>
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public event Action<BeatmapSetInfo> BeatmapSetAdded;
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/// <summary>
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/// Fired when a single difficulty has been hidden.
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/// </summary>
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public event Action<BeatmapInfo> BeatmapHidden;
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/// <summary>
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/// Fired when a <see cref="BeatmapSetInfo"/> is removed from the database.
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/// </summary>
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public event Action<BeatmapSetInfo> BeatmapSetRemoved;
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/// <summary>
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/// Fired when a single difficulty has been restored.
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/// </summary>
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public event Action<BeatmapInfo> BeatmapRestored;
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/// <summary>
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/// A default representation of a WorkingBeatmap to use when no beatmap is available.
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/// </summary>
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public WorkingBeatmap DefaultBeatmap { private get; set; }
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private readonly Storage storage;
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private readonly FileStore files;
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private readonly OsuDbContext connection;
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private readonly RulesetStore rulesets;
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private readonly BeatmapStore beatmaps;
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private readonly APIAccess api;
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private readonly List<DownloadBeatmapSetRequest> currentDownloads = new List<DownloadBeatmapSetRequest>();
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// ReSharper disable once NotAccessedField.Local (we should keep a reference to this so it is not finalised)
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private BeatmapIPCChannel ipc;
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/// <summary>
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/// Set an endpoint for notifications to be posted to.
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/// </summary>
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public Action<Notification> PostNotification { private get; set; }
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/// <summary>
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/// Set a storage with access to an osu-stable install for import purposes.
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/// </summary>
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public Func<Storage> GetStableStorage { private get; set; }
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public BeatmapManager(Storage storage, FileStore files, OsuDbContext connection, RulesetStore rulesets, APIAccess api, IIpcHost importHost = null)
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{
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beatmaps = new BeatmapStore(connection);
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beatmaps.BeatmapSetAdded += s => BeatmapSetAdded?.Invoke(s);
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beatmaps.BeatmapSetRemoved += s => BeatmapSetRemoved?.Invoke(s);
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beatmaps.BeatmapHidden += b => BeatmapHidden?.Invoke(b);
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beatmaps.BeatmapRestored += b => BeatmapRestored?.Invoke(b);
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this.storage = storage;
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this.files = files;
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this.connection = connection;
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this.rulesets = rulesets;
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this.api = api;
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if (importHost != null)
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ipc = new BeatmapIPCChannel(importHost, this);
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}
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/// <summary>
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/// Import one or more <see cref="BeatmapSetInfo"/> from filesystem <paramref name="paths"/>.
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/// This will post a notification tracking import progress.
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/// </summary>
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/// <param name="paths">One or more beatmap locations on disk.</param>
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public void Import(params string[] paths)
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{
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var notification = new ProgressNotification
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{
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Text = "Beatmap import is initialising...",
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Progress = 0,
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State = ProgressNotificationState.Active,
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};
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PostNotification?.Invoke(notification);
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int i = 0;
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foreach (string path in paths)
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{
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if (notification.State == ProgressNotificationState.Cancelled)
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// user requested abort
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return;
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try
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{
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notification.Text = $"Importing ({i} of {paths.Length})\n{Path.GetFileName(path)}";
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using (ArchiveReader reader = getReaderFrom(path))
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Import(reader);
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notification.Progress = (float)++i / paths.Length;
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// We may or may not want to delete the file depending on where it is stored.
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// e.g. reconstructing/repairing database with beatmaps from default storage.
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// Also, not always a single file, i.e. for LegacyFilesystemReader
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// TODO: Add a check to prevent files from storage to be deleted.
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try
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{
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if (File.Exists(path))
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File.Delete(path);
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}
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catch (Exception e)
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{
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Logger.Error(e, $@"Could not delete original file after import ({Path.GetFileName(path)})");
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}
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}
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catch (Exception e)
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{
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e = e.InnerException ?? e;
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Logger.Error(e, @"Could not import beatmap set");
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}
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}
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notification.State = ProgressNotificationState.Completed;
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}
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private readonly object importLock = new object();
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/// <summary>
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/// Import a beatmap from an <see cref="ArchiveReader"/>.
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/// </summary>
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/// <param name="archiveReader">The beatmap to be imported.</param>
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public BeatmapSetInfo Import(ArchiveReader archiveReader)
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{
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BeatmapSetInfo set = null;
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// let's only allow one concurrent import at a time for now.
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lock (importLock)
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Import(set = importToStorage(archiveReader));
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return set;
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}
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/// <summary>
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/// Import a beatmap from a <see cref="BeatmapSetInfo"/>.
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/// </summary>
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/// <param name="beatmapSetInfo">The beatmap to be imported.</param>
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public void Import(BeatmapSetInfo beatmapSetInfo)
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{
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// If we have an ID then we already exist in the database.
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if (beatmapSetInfo.ID != 0) return;
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beatmaps.Add(beatmapSetInfo);
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}
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/// <summary>
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/// Downloads a beatmap.
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/// </summary>
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/// <param name="beatmapSetInfo">The <see cref="BeatmapSetInfo"/> to be downloaded.</param>
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/// <returns>A new <see cref="DownloadBeatmapSetRequest"/>, or an existing one if a download is already in progress.</returns>
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public DownloadBeatmapSetRequest Download(BeatmapSetInfo beatmapSetInfo)
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{
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var existing = GetExistingDownload(beatmapSetInfo);
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if (existing != null) return existing;
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if (api == null) return null;
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ProgressNotification downloadNotification = new ProgressNotification
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{
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Text = $"Downloading {beatmapSetInfo.Metadata.Artist} - {beatmapSetInfo.Metadata.Title}",
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};
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var request = new DownloadBeatmapSetRequest(beatmapSetInfo);
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request.DownloadProgressed += progress =>
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{
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downloadNotification.State = ProgressNotificationState.Active;
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downloadNotification.Progress = progress;
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};
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request.Success += data =>
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{
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downloadNotification.State = ProgressNotificationState.Completed;
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using (var stream = new MemoryStream(data))
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using (var archive = new OszArchiveReader(stream))
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Import(archive);
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currentDownloads.Remove(request);
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};
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request.Failure += data =>
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{
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downloadNotification.State = ProgressNotificationState.Completed;
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Logger.Error(data, "Failed to get beatmap download information");
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currentDownloads.Remove(request);
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};
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downloadNotification.CancelRequested += () =>
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{
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request.Cancel();
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currentDownloads.Remove(request);
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downloadNotification.State = ProgressNotificationState.Cancelled;
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return true;
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};
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currentDownloads.Add(request);
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PostNotification?.Invoke(downloadNotification);
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// don't run in the main api queue as this is a long-running task.
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Task.Run(() => request.Perform(api));
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return request;
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}
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/// <summary>
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/// Get an existing download request if it exists.
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/// </summary>
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/// <param name="beatmap">The <see cref="BeatmapSetInfo"/> whose download request is wanted.</param>
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/// <returns>The <see cref="DownloadBeatmapSetRequest"/> object if it exists, or null.</returns>
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public DownloadBeatmapSetRequest GetExistingDownload(BeatmapSetInfo beatmap) => currentDownloads.Find(d => d.BeatmapSet.OnlineBeatmapSetID == beatmap.OnlineBeatmapSetID);
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/// <summary>
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/// Delete a beatmap from the manager.
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/// Is a no-op for already deleted beatmaps.
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/// </summary>
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/// <param name="beatmapSet">The beatmap set to delete.</param>
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public void Delete(BeatmapSetInfo beatmapSet)
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{
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if (!beatmaps.Delete(beatmapSet)) return;
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if (!beatmapSet.Protected)
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files.Dereference(beatmapSet.Files.Select(f => f.FileInfo).ToArray());
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}
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/// <summary>
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/// Delete a beatmap difficulty.
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/// </summary>
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/// <param name="beatmap">The beatmap difficulty to hide.</param>
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public void Hide(BeatmapInfo beatmap) => beatmaps.Hide(beatmap);
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/// <summary>
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/// Restore a beatmap difficulty.
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/// </summary>
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/// <param name="beatmap">The beatmap difficulty to restore.</param>
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public void Restore(BeatmapInfo beatmap) => beatmaps.Restore(beatmap);
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/// <summary>
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/// Returns a <see cref="BeatmapSetInfo"/> to a usable state if it has previously been deleted but not yet purged.
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/// Is a no-op for already usable beatmaps.
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/// </summary>
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/// <param name="beatmapSet">The beatmap to restore.</param>
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public void Undelete(BeatmapSetInfo beatmapSet)
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{
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if (!beatmaps.Undelete(beatmapSet)) return;
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if (!beatmapSet.Protected)
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files.Reference(beatmapSet.Files.Select(f => f.FileInfo).ToArray());
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}
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/// <summary>
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/// Retrieve a <see cref="WorkingBeatmap"/> instance for the provided <see cref="BeatmapInfo"/>
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/// </summary>
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/// <param name="beatmapInfo">The beatmap to lookup.</param>
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/// <param name="previous">The currently loaded <see cref="WorkingBeatmap"/>. Allows for optimisation where elements are shared with the new beatmap.</param>
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/// <returns>A <see cref="WorkingBeatmap"/> instance correlating to the provided <see cref="BeatmapInfo"/>.</returns>
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public WorkingBeatmap GetWorkingBeatmap(BeatmapInfo beatmapInfo, WorkingBeatmap previous = null)
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{
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if (beatmapInfo == null || beatmapInfo == DefaultBeatmap?.BeatmapInfo)
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return DefaultBeatmap;
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if (beatmapInfo.BeatmapSet == null)
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throw new InvalidOperationException($@"Beatmap set {beatmapInfo.BeatmapSetInfoID} is not in the local database.");
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if (beatmapInfo.Metadata == null)
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beatmapInfo.Metadata = beatmapInfo.BeatmapSet.Metadata;
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WorkingBeatmap working = new BeatmapManagerWorkingBeatmap(files.Store, beatmapInfo);
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previous?.TransferTo(working);
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return working;
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}
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/// <summary>
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/// Reset the manager to an empty state.
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/// </summary>
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public void Reset()
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{
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lock (beatmaps)
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beatmaps.Reset();
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}
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/// <summary>
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/// Perform a lookup query on available <see cref="BeatmapSetInfo"/>s.
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/// </summary>
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/// <param name="query">The query.</param>
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/// <returns>The first result for the provided query, or null if no results were found.</returns>
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public BeatmapSetInfo QueryBeatmapSet(Func<BeatmapSetInfo, bool> query)
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{
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lock (beatmaps)
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{
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BeatmapSetInfo set = beatmaps.QueryBeatmapSet(query);
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return set;
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}
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}
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/// <summary>
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/// Refresh an existing instance of a <see cref="BeatmapSetInfo"/> from the store.
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/// </summary>
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/// <param name="beatmapSet">A stale instance.</param>
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/// <returns>A fresh instance.</returns>
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public BeatmapSetInfo Refresh(BeatmapSetInfo beatmapSet) => QueryBeatmapSet(s => s.ID == beatmapSet.ID);
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/// <summary>
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/// Perform a lookup query on available <see cref="BeatmapSetInfo"/>s.
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/// </summary>
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/// <param name="query">The query.</param>
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/// <returns>Results from the provided query.</returns>
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public List<BeatmapSetInfo> QueryBeatmapSets(Expression<Func<BeatmapSetInfo, bool>> query)
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{
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return beatmaps.QueryBeatmapSets(query);
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}
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/// <summary>
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/// Perform a lookup query on available <see cref="BeatmapInfo"/>s.
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/// </summary>
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/// <param name="query">The query.</param>
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/// <returns>The first result for the provided query, or null if no results were found.</returns>
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public BeatmapInfo QueryBeatmap(Func<BeatmapInfo, bool> query)
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{
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BeatmapInfo set = beatmaps.QueryBeatmap(query);
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return set;
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}
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/// <summary>
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/// Perform a lookup query on available <see cref="BeatmapInfo"/>s.
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/// </summary>
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/// <param name="query">The query.</param>
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/// <returns>Results from the provided query.</returns>
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public List<BeatmapInfo> QueryBeatmaps(Expression<Func<BeatmapInfo, bool>> query)
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{
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lock (beatmaps) return beatmaps.QueryBeatmaps(query);
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}
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/// <summary>
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/// Creates an <see cref="ArchiveReader"/> from a valid storage path.
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/// </summary>
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/// <param name="path">A file or folder path resolving the beatmap content.</param>
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/// <returns>A reader giving access to the beatmap's content.</returns>
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private ArchiveReader getReaderFrom(string path)
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{
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if (ZipFile.IsZipFile(path))
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return new OszArchiveReader(storage.GetStream(path));
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return new LegacyFilesystemReader(path);
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}
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/// <summary>
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/// Import a beamap into our local <see cref="FileStore"/> storage.
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/// If the beatmap is already imported, the existing instance will be returned.
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/// </summary>
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/// <param name="reader">The beatmap archive to be read.</param>
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/// <returns>The imported beatmap, or an existing instance if it is already present.</returns>
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private BeatmapSetInfo importToStorage(ArchiveReader reader)
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{
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// let's make sure there are actually .osu files to import.
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string mapName = reader.Filenames.FirstOrDefault(f => f.EndsWith(".osu"));
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if (string.IsNullOrEmpty(mapName))
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throw new InvalidOperationException("No beatmap files found in the map folder.");
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// for now, concatenate all .osu files in the set to create a unique hash.
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MemoryStream hashable = new MemoryStream();
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foreach (string file in reader.Filenames.Where(f => f.EndsWith(".osu")))
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using (Stream s = reader.GetStream(file))
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s.CopyTo(hashable);
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var hash = hashable.ComputeSHA2Hash();
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// check if this beatmap has already been imported and exit early if so.
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BeatmapSetInfo beatmapSet;
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lock (beatmaps)
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beatmapSet = beatmaps.QueryBeatmapSet(b => b.Hash == hash);
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if (beatmapSet != null)
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{
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Undelete(beatmapSet);
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// ensure all files are present and accessible
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foreach (var f in beatmapSet.Files)
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{
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if (!storage.Exists(f.FileInfo.StoragePath))
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using (Stream s = reader.GetStream(f.Filename))
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files.Add(s, false);
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}
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return beatmapSet;
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}
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List<BeatmapSetFileInfo> fileInfos = new List<BeatmapSetFileInfo>();
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// import files to manager
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foreach (string file in reader.Filenames)
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using (Stream s = reader.GetStream(file))
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fileInfos.Add(new BeatmapSetFileInfo
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{
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Filename = file,
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FileInfo = files.Add(s)
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});
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BeatmapMetadata metadata;
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using (var stream = new StreamReader(reader.GetStream(mapName)))
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metadata = BeatmapDecoder.GetDecoder(stream).Decode(stream).Metadata;
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beatmapSet = new BeatmapSetInfo
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{
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OnlineBeatmapSetID = metadata.OnlineBeatmapSetID,
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Beatmaps = new List<BeatmapInfo>(),
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Hash = hash,
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Files = fileInfos,
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Metadata = metadata
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};
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var mapNames = reader.Filenames.Where(f => f.EndsWith(".osu"));
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foreach (var name in mapNames)
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{
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using (var raw = reader.GetStream(name))
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using (var ms = new MemoryStream()) //we need a memory stream so we can seek and shit
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using (var sr = new StreamReader(ms))
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{
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raw.CopyTo(ms);
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ms.Position = 0;
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var decoder = BeatmapDecoder.GetDecoder(sr);
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Beatmap beatmap = decoder.Decode(sr);
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beatmap.BeatmapInfo.Path = name;
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beatmap.BeatmapInfo.Hash = ms.ComputeSHA2Hash();
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beatmap.BeatmapInfo.MD5Hash = ms.ComputeMD5Hash();
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// TODO: Diff beatmap metadata with set metadata and leave it here if necessary
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beatmap.BeatmapInfo.Metadata = null;
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// TODO: this should be done in a better place once we actually need to dynamically update it.
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beatmap.BeatmapInfo.Ruleset = rulesets.QueryRulesetInfo(r => r.ID == beatmap.BeatmapInfo.RulesetID);
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beatmap.BeatmapInfo.StarDifficulty = rulesets.QueryRulesetInfo(r => r.ID == beatmap.BeatmapInfo.RulesetID)?.CreateInstance()?.CreateDifficultyCalculator(beatmap)
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.Calculate() ?? 0;
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beatmapSet.Beatmaps.Add(beatmap.BeatmapInfo);
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}
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}
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return beatmapSet;
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}
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/// <summary>
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/// Returns a list of all usable <see cref="BeatmapSetInfo"/>s.
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/// </summary>
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/// <returns>A list of available <see cref="BeatmapSetInfo"/>.</returns>
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public List<BeatmapSetInfo> GetAllUsableBeatmapSets()
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{
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lock (beatmaps)
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{
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return beatmaps.QueryBeatmapSets(b => !b.DeletePending);
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}
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}
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protected class BeatmapManagerWorkingBeatmap : WorkingBeatmap
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{
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private readonly IResourceStore<byte[]> store;
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public BeatmapManagerWorkingBeatmap(IResourceStore<byte[]> store, BeatmapInfo beatmapInfo)
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: base(beatmapInfo)
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{
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this.store = store;
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}
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protected override Beatmap GetBeatmap()
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{
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try
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{
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Beatmap beatmap;
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BeatmapDecoder decoder;
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using (var stream = new StreamReader(store.GetStream(getPathForFile(BeatmapInfo.Path))))
|
|
{
|
|
decoder = BeatmapDecoder.GetDecoder(stream);
|
|
beatmap = decoder.Decode(stream);
|
|
}
|
|
|
|
if (beatmap == null || BeatmapSetInfo.StoryboardFile == null)
|
|
return beatmap;
|
|
|
|
using (var stream = new StreamReader(store.GetStream(getPathForFile(BeatmapSetInfo.StoryboardFile))))
|
|
decoder.Decode(stream, beatmap);
|
|
|
|
|
|
return beatmap;
|
|
}
|
|
catch { return null; }
|
|
}
|
|
|
|
private string getPathForFile(string filename) => BeatmapSetInfo.Files.First(f => string.Equals(f.Filename, filename, StringComparison.InvariantCultureIgnoreCase)).FileInfo.StoragePath;
|
|
|
|
protected override Texture GetBackground()
|
|
{
|
|
if (Metadata?.BackgroundFile == null)
|
|
return null;
|
|
|
|
try
|
|
{
|
|
return new TextureStore(new RawTextureLoaderStore(store), false).Get(getPathForFile(Metadata.BackgroundFile));
|
|
}
|
|
catch { return null; }
|
|
}
|
|
|
|
protected override Track GetTrack()
|
|
{
|
|
try
|
|
{
|
|
var trackData = store.GetStream(getPathForFile(Metadata.AudioFile));
|
|
return trackData == null ? null : new TrackBass(trackData);
|
|
}
|
|
catch { return new TrackVirtual(); }
|
|
}
|
|
|
|
protected override Waveform GetWaveform() => new Waveform(store.GetStream(getPathForFile(Metadata.AudioFile)));
|
|
}
|
|
|
|
/// <summary>
|
|
/// This is a temporary method and will likely be replaced by a full-fledged (and more correctly placed) migration process in the future.
|
|
/// </summary>
|
|
public void ImportFromStable()
|
|
{
|
|
var stable = GetStableStorage?.Invoke();
|
|
|
|
if (stable == null)
|
|
{
|
|
Logger.Log("No osu!stable installation available!", LoggingTarget.Information, LogLevel.Error);
|
|
return;
|
|
}
|
|
|
|
Import(stable.GetDirectories("Songs"));
|
|
}
|
|
|
|
public void DeleteAll()
|
|
{
|
|
var maps = GetAllUsableBeatmapSets().ToArray();
|
|
|
|
if (maps.Length == 0) return;
|
|
|
|
var notification = new ProgressNotification
|
|
{
|
|
Progress = 0,
|
|
State = ProgressNotificationState.Active,
|
|
};
|
|
|
|
PostNotification?.Invoke(notification);
|
|
|
|
int i = 0;
|
|
|
|
foreach (var b in maps)
|
|
{
|
|
if (notification.State == ProgressNotificationState.Cancelled)
|
|
// user requested abort
|
|
return;
|
|
|
|
notification.Text = $"Deleting ({i} of {maps.Length})";
|
|
notification.Progress = (float)++i / maps.Length;
|
|
Delete(b);
|
|
}
|
|
|
|
notification.State = ProgressNotificationState.Completed;
|
|
}
|
|
}
|
|
}
|