osu/osu.Game/Skinning/SkinManager.cs

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// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
using System.Collections.Generic;
using System.Linq;
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using System.Linq.Expressions;
using Microsoft.EntityFrameworkCore;
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using osu.Framework.Audio;
using osu.Framework.Configuration;
using osu.Framework.Platform;
using osu.Game.Database;
using osu.Game.IO.Archives;
namespace osu.Game.Skinning
{
public class SkinManager : ArchiveModelManager<SkinInfo, SkinFileInfo>
{
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private readonly AudioManager audio;
public readonly Bindable<Skin> CurrentSkin = new Bindable<Skin>(new DefaultSkin());
public readonly Bindable<SkinInfo> CurrentSkinInfo = new Bindable<SkinInfo>(SkinInfo.Default) { Default = SkinInfo.Default };
public override string[] HandledExtensions => new[] { ".osk" };
/// <summary>
/// Returns a list of all usable <see cref="SkinInfo"/>s.
/// </summary>
/// <returns>A list of available <see cref="SkinInfo"/>.</returns>
public List<SkinInfo> GetAllUsableSkins()
{
var userSkins = ModelStore.ConsumableItems.Where(s => !s.DeletePending).ToList();
userSkins.Insert(0, SkinInfo.Default);
return userSkins;
}
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protected override SkinInfo CreateModel(ArchiveReader archive) => new SkinInfo
{
Name = archive.Name
};
/// <summary>
/// Retrieve a <see cref="Skin"/> instance for the provided <see cref="SkinInfo"/>
/// </summary>
/// <param name="skinInfo">The skin to lookup.</param>
/// <returns>A <see cref="Skin"/> instance correlating to the provided <see cref="SkinInfo"/>.</returns>
public Skin GetSkin(SkinInfo skinInfo)
{
if (skinInfo == SkinInfo.Default)
return new DefaultSkin();
return new LegacySkin(skinInfo, Files.Store, audio);
}
private SkinStore store;
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public SkinManager(Storage storage, DatabaseContextFactory contextFactory, IIpcHost importHost, AudioManager audio)
: base(storage, contextFactory, new SkinStore(contextFactory, storage), importHost)
{
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this.audio = audio;
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CurrentSkinInfo.ValueChanged += info => CurrentSkin.Value = GetSkin(info);
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CurrentSkin.ValueChanged += skin =>
{
if (skin.SkinInfo != CurrentSkinInfo.Value)
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throw new InvalidOperationException($"Setting {nameof(CurrentSkin)}'s value directly is not supported. Use {nameof(CurrentSkinInfo)} instead.");
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};
}
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/// <summary>
/// Perform a lookup query on available <see cref="SkinInfo"/>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 SkinInfo Query(Expression<Func<SkinInfo, bool>> query) => ModelStore.ConsumableItems.AsNoTracking().FirstOrDefault(query);
}
}