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Add beatmap availability tracker component for multiplayer

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Salman Ahmed 2021-01-16 23:00:56 +03:00
parent 7ad8b167cc
commit da9c23f347
1 changed files with 89 additions and 0 deletions
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osu.Game/Online/Rooms/MultiplayerBeatmapTracker.cs Normal file
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// 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.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)
{
int? beatmapId = SelectedItem.Value.Beatmap.Value.OnlineBeatmapID;
string checksum = SelectedItem.Value.Beatmap.Value.MD5Hash;
BeatmapInfo matchingBeatmap;
if (databasedSet.Beatmaps == null)
{
// The given databased beatmap set is not passed in a usable state to check with.
// Perform a full query instead, as per https://github.com/ppy/osu/pull/11415.
matchingBeatmap = Manager.QueryBeatmap(b => b.OnlineBeatmapID == beatmapId && b.MD5Hash == checksum);
return matchingBeatmap != null;
}
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(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));
}
}
}
}