mirror of https://github.com/ppy/osu
54 lines
1.5 KiB
C#
54 lines
1.5 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using osu.Framework.Bindables;
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using osu.Framework.Timing;
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namespace osu.Game.Screens.Play
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{
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public class OffsetCorrectionClock : FramedOffsetClock
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{
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private readonly BindableDouble pauseRateAdjust;
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private double offset;
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public new double Offset
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{
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get => offset;
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set
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{
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if (value == offset)
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return;
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offset = value;
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updateOffset();
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}
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}
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public double RateAdjustedOffset => base.Offset;
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public OffsetCorrectionClock(IClock source, BindableDouble pauseRateAdjust)
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: base(source)
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{
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this.pauseRateAdjust = pauseRateAdjust;
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}
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public override void ProcessFrame()
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{
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base.ProcessFrame();
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updateOffset();
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}
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private void updateOffset()
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{
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// changing this during the pause transform effect will cause a potentially large offset to be suddenly applied as we approach zero rate.
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if (pauseRateAdjust.Value == 1)
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{
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// we always want to apply the same real-time offset, so it should be adjusted by the difference in playback rate (from realtime) to achieve this.
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base.Offset = Offset * Rate;
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}
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}
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}
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}
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