1
0
mirror of https://github.com/ppy/osu.git synced 2024-12-16 06:33:32 +08:00
osu-lazer/osu.Game/Online/Rooms/MultiplayerBeatmapTracker.cs
2021-01-18 21:34:24 +03:00

90 lines
3.2 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.Linq;
using osu.Framework.Bindables;
using osu.Framework.Logging;
using osu.Game.Beatmaps;
namespace osu.Game.Online.Rooms
{
public class MultiplayerBeatmapTracker : DownloadTrackingComposite<BeatmapSetInfo, BeatmapManager>
{
public readonly IBindable<PlaylistItem> SelectedItem = new Bindable<PlaylistItem>();
/// <summary>
/// The availability state of the currently selected playlist item.
/// </summary>
public IBindable<BeatmapAvailability> Availability => availability;
private readonly Bindable<BeatmapAvailability> availability = new Bindable<BeatmapAvailability>();
public MultiplayerBeatmapTracker()
{
State.BindValueChanged(_ => updateAvailability());
Progress.BindValueChanged(_ => updateAvailability());
updateAvailability();
}
protected override void LoadComplete()
{
base.LoadComplete();
SelectedItem.BindValueChanged(item => Model.Value = item.NewValue?.Beatmap.Value.BeatmapSet, true);
}
protected override bool VerifyDatabasedModel(BeatmapSetInfo databasedSet)
{
var verified = verifyDatabasedModel(databasedSet);
if (!verified)
Logger.Log("The imported beatmapset does not match the online version.", LoggingTarget.Runtime, LogLevel.Important);
return verified;
}
private bool verifyDatabasedModel(BeatmapSetInfo databasedSet)
{
int? beatmapId = SelectedItem.Value.Beatmap.Value.OnlineBeatmapID;
string checksum = SelectedItem.Value.Beatmap.Value.MD5Hash;
var matchingBeatmap = databasedSet.Beatmaps.FirstOrDefault(b => b.OnlineBeatmapID == beatmapId && b.MD5Hash == checksum);
return matchingBeatmap != null;
}
protected override bool IsModelAvailableLocally()
{
int? beatmapId = SelectedItem.Value.Beatmap.Value.OnlineBeatmapID;
string checksum = SelectedItem.Value.Beatmap.Value.MD5Hash;
var beatmap = Manager.QueryBeatmap(b => b.OnlineBeatmapID == beatmapId && b.MD5Hash == checksum);
return beatmap?.BeatmapSet.DeletePending == false;
}
private void updateAvailability()
{
switch (State.Value)
{
case DownloadState.NotDownloaded:
availability.Value = BeatmapAvailability.NotDownloaded();
break;
case DownloadState.Downloading:
availability.Value = BeatmapAvailability.Downloading((float)Progress.Value);
break;
case DownloadState.Importing:
availability.Value = BeatmapAvailability.Importing();
break;
case DownloadState.LocallyAvailable:
availability.Value = BeatmapAvailability.LocallyAvailable();
break;
default:
throw new ArgumentOutOfRangeException(nameof(State));
}
}
}
}