mirror of
https://github.com/ppy/osu.git
synced 2024-12-26 04:32:55 +08:00
102 lines
4.9 KiB
C#
102 lines
4.9 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.Logging;
|
||
|
using osu.Framework.Platform;
|
||
|
using osu.Game.Database;
|
||
|
|
||
|
#nullable enable
|
||
|
|
||
|
namespace osu.Game.Rulesets
|
||
|
{
|
||
|
public class RealmRulesetStore : RulesetStore
|
||
|
{
|
||
|
public override IEnumerable<RulesetInfo> AvailableRulesets => availableRulesets;
|
||
|
|
||
|
private readonly List<RulesetInfo> availableRulesets = new List<RulesetInfo>();
|
||
|
|
||
|
public RealmRulesetStore(RealmAccess realm, Storage? storage = null)
|
||
|
: base(storage)
|
||
|
{
|
||
|
prepareDetachedRulesets(realm);
|
||
|
}
|
||
|
|
||
|
private void prepareDetachedRulesets(RealmAccess realmAccess)
|
||
|
{
|
||
|
realmAccess.Write(realm =>
|
||
|
{
|
||
|
var rulesets = realm.All<RulesetInfo>();
|
||
|
|
||
|
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))
|
||
|
{
|
||
|
if (realm.All<RulesetInfo>().FirstOrDefault(rr => rr.OnlineID == r.RulesetInfo.OnlineID) == null)
|
||
|
realm.Add(new RulesetInfo(r.RulesetInfo.ShortName, r.RulesetInfo.Name, r.RulesetInfo.InstantiationInfo, r.RulesetInfo.OnlineID));
|
||
|
}
|
||
|
|
||
|
// add any other rulesets which have assemblies present but are not yet in the database.
|
||
|
foreach (var r in instances.Where(r => !(r is ILegacyRuleset)))
|
||
|
{
|
||
|
if (rulesets.FirstOrDefault(ri => ri.InstantiationInfo.Equals(r.RulesetInfo.InstantiationInfo, StringComparison.Ordinal)) == null)
|
||
|
{
|
||
|
var existingSameShortName = rulesets.FirstOrDefault(ri => ri.ShortName == r.RulesetInfo.ShortName);
|
||
|
|
||
|
if (existingSameShortName != null)
|
||
|
{
|
||
|
// even if a matching InstantiationInfo was not found, there may be an existing ruleset with the same ShortName.
|
||
|
// this generally means the user or ruleset provider has renamed their dll but the underlying ruleset is *likely* the same one.
|
||
|
// in such cases, update the instantiation info of the existing entry to point to the new one.
|
||
|
existingSameShortName.InstantiationInfo = r.RulesetInfo.InstantiationInfo;
|
||
|
}
|
||
|
else
|
||
|
realm.Add(new RulesetInfo(r.RulesetInfo.ShortName, r.RulesetInfo.Name, r.RulesetInfo.InstantiationInfo, r.RulesetInfo.OnlineID));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
List<RulesetInfo> detachedRulesets = new List<RulesetInfo>();
|
||
|
|
||
|
// perform a consistency check and detach final rulesets from realm for cross-thread runtime usage.
|
||
|
foreach (var r in rulesets.OrderBy(r => r.OnlineID))
|
||
|
{
|
||
|
try
|
||
|
{
|
||
|
var resolvedType = Type.GetType(r.InstantiationInfo)
|
||
|
?? throw new RulesetLoadException(@"Type could not be resolved");
|
||
|
|
||
|
var instanceInfo = (Activator.CreateInstance(resolvedType) as Ruleset)?.RulesetInfo
|
||
|
?? throw new RulesetLoadException(@"Instantiation failure");
|
||
|
|
||
|
// If a ruleset isn't up-to-date with the API, it could cause a crash at an arbitrary point of execution.
|
||
|
// To eagerly handle cases of missing implementations, enumerate all types here and mark as non-available on throw.
|
||
|
resolvedType.Assembly.GetTypes();
|
||
|
|
||
|
r.Name = instanceInfo.Name;
|
||
|
r.ShortName = instanceInfo.ShortName;
|
||
|
r.InstantiationInfo = instanceInfo.InstantiationInfo;
|
||
|
r.Available = true;
|
||
|
|
||
|
detachedRulesets.Add(r.Clone());
|
||
|
}
|
||
|
catch (Exception ex)
|
||
|
{
|
||
|
r.Available = false;
|
||
|
Logger.Log($"Could not load ruleset {r}: {ex.Message}");
|
||
|
}
|
||
|
}
|
||
|
|
||
|
availableRulesets.AddRange(detachedRulesets.OrderBy(r => r));
|
||
|
});
|
||
|
}
|
||
|
}
|
||
|
}
|