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osu-lazer/osu.Game/Beatmaps/Formats/LegacyDifficultyCalculatorBeatmapDecoder.cs

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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.
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using System.Linq;
using osu.Game.Beatmaps.ControlPoints;
namespace osu.Game.Beatmaps.Formats
{
/// <summary>
/// A <see cref="LegacyBeatmapDecoder"/> built for difficulty calculation of legacy <see cref="Beatmap"/>s
/// <remarks>
/// To use this, the decoder must be registered by the application through <see cref="LegacyDifficultyCalculatorBeatmapDecoder.Register"/>.
/// Doing so will override any existing <see cref="Beatmap"/> decoders.
/// </remarks>
/// </summary>
public class LegacyDifficultyCalculatorBeatmapDecoder : LegacyBeatmapDecoder
{
public LegacyDifficultyCalculatorBeatmapDecoder(int version = LATEST_VERSION)
: base(version)
{
ApplyOffsets = false;
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}
public new static void Register()
{
AddDecoder<Beatmap>(@"osu file format v", m => new LegacyDifficultyCalculatorBeatmapDecoder(int.Parse(m.Split('v').Last())));
}
protected override TimingControlPoint CreateTimingControlPoint()
=> new LegacyDifficultyCalculatorControlPoint();
private class LegacyDifficultyCalculatorControlPoint : TimingControlPoint
{
public override double BeatLength { get; set; } = 1000;
}
}
}