osu/osu.Game/Rulesets/AssemblyRulesetStore.cs

52 lines
2.1 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.Linq;
using osu.Framework.Extensions.ObjectExtensions;
using osu.Framework.Platform;
#nullable enable
namespace osu.Game.Rulesets
{
/// <summary>
/// A ruleset store that populates from loaded assemblies (and optionally, assemblies in a storage).
/// </summary>
public class AssemblyRulesetStore : RulesetStore
{
public override IEnumerable<RulesetInfo> AvailableRulesets => availableRulesets;
private readonly List<RulesetInfo> availableRulesets = new List<RulesetInfo>();
/// <summary>
/// Create an assembly ruleset store that populates from loaded assemblies and an external location.
/// </summary>
/// <param name="path">An path containing ruleset DLLs.</param>
public AssemblyRulesetStore(string path)
: this(new NativeStorage(path))
{
}
/// <summary>
/// Create an assembly ruleset store that populates from loaded assemblies and an optional storage source.
/// </summary>
/// <param name="storage">An optional storage containing ruleset DLLs.</param>
public AssemblyRulesetStore(Storage? storage = null)
: base(storage)
{
List<Ruleset> instances = LoadedAssemblies.Values
.Select(r => Activator.CreateInstance(r) as Ruleset)
.Where(r => r != null)
.Select(r => r.AsNonNull())
.ToList();
// add all legacy rulesets first to ensure they have exclusive choice of primary key.
foreach (var r in instances.Where(r => r is ILegacyRuleset))
availableRulesets.Add(new RulesetInfo(r.RulesetInfo.ShortName, r.RulesetInfo.Name, r.RulesetInfo.InstantiationInfo, r.RulesetInfo.OnlineID));
}
}
}