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Code Issues Releases Wiki Activity

Use equality comparison rather than hash set

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This commit is contained in:
smoogipoo 2020-02-16 16:23:46 +09:00
parent 17e3470441
commit c8b81bcf3c
1 changed files with 10 additions and 15 deletions
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25
osu.Game/Online/Multiplayer/Room.cs
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@ -2,7 +2,6 @@
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.Linq;
using Newtonsoft.Json;
using osu.Framework.Allocation;
@ -128,14 +127,17 @@ namespace osu.Game.Online.Multiplayer
item.Beatmap.Value.Metadata = localItem.Beatmap.Value.Metadata;
}
foreach (var removeableItem in Playlist.Except(other.Playlist, new PlaylistEqualityComparer()).ToArray())
Playlist.Remove(removeableItem);
if (!Playlist.SequenceEqual(other.Playlist))
{
Playlist.Clear();
Playlist.AddRange(other.Playlist);
}
Playlist.AddRange(other.Playlist.Except(Playlist, new PlaylistEqualityComparer()).ToArray());
foreach (var removedItem in Participants.Except(other.Participants).ToArray())
Participants.Remove(removedItem);
Participants.AddRange(other.Participants.Except(Participants).ToArray());
if (!Participants.SequenceEqual(other.Participants))
{
Participants.Clear();
Participants.AddRange(other.Participants);
}
Position = other.Position;
}
@ -143,12 +145,5 @@ namespace osu.Game.Online.Multiplayer
public bool ShouldSerializeRoomID() => false;
public bool ShouldSerializeHost() => false;
public bool ShouldSerializeEndDate() => false;
private class PlaylistEqualityComparer : IEqualityComparer<PlaylistItem>
{
public bool Equals(PlaylistItem x, PlaylistItem y) => x?.Equals(y) ?? false;
public int GetHashCode(PlaylistItem obj) => HashCode.Combine(obj.ID, obj.BeatmapID, obj.RulesetID);
}
}
}