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Interpolate speed change using IUpdatableByPlayfield

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This commit is contained in:
Henry Lin 2022-03-03 12:02:39 +08:00
parent 51258dbab4
commit 09254407fe
1 changed files with 17 additions and 16 deletions
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33
osu.Game/Rulesets/Mods/ModAdaptiveSpeed.cs
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@ -1,25 +1,24 @@
// 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.Audio;
using osu.Framework.Audio.Track;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Audio;
using osu.Framework.Utils;
using osu.Game.Beatmaps;
using osu.Game.Configuration;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Drawables;
using osu.Game.Rulesets.Scoring;
using osu.Game.Screens.Play;
using osu.Game.Rulesets.UI;
namespace osu.Game.Rulesets.Mods
{
public class ModAdaptiveSpeed : Mod, IApplicableToRate, IApplicableToDrawableHitObject, IApplicableToBeatmap, IApplicableToHUD
public class ModAdaptiveSpeed : Mod, IApplicableToRate, IApplicableToDrawableHitObject, IApplicableToBeatmap, IUpdatableByPlayfield
{
// use a wider range so there's still room for adjustment when the initial rate is extreme
private const double fastest_rate = 2.5f;
@ -62,12 +61,11 @@ namespace osu.Game.Rulesets.Mods
public BindableNumber<double> SpeedChange { get; } = new BindableDouble
{
Default = 1,
Value = 1,
Precision = 0.01
Value = 1
};
private ITrack track;
private HUDOverlay overlay;
private double targetRate = 1d;
private readonly List<double> recentRates = Enumerable.Repeat(1d, average_count).ToList();
@ -81,16 +79,14 @@ namespace osu.Game.Rulesets.Mods
public ModAdaptiveSpeed()
{
InitialRate.BindValueChanged(val => SpeedChange.Value = val.NewValue);
InitialRate.BindValueChanged(val =>
{
SpeedChange.Value = val.NewValue;
targetRate = val.NewValue;
});
AdjustPitch.BindValueChanged(applyPitchAdjustment);
}
public void ApplyToHUD(HUDOverlay overlay)
{
// this is only used to transform the SpeedChange bindable
this.overlay = overlay;
}
public void ApplyToTrack(ITrack track)
{
this.track = track;
@ -106,6 +102,11 @@ namespace osu.Game.Rulesets.Mods
sample.AddAdjustment(AdjustableProperty.Frequency, SpeedChange);
}
public void Update(Playfield playfield)
{
SpeedChange.Value = Interpolation.DampContinuously(SpeedChange.Value, targetRate, 50, playfield.Clock.ElapsedFrameTime);
}
public double ApplyToRate(double time, double rate = 1) => rate * InitialRate.Value;
private void applyPitchAdjustment(ValueChangedEvent<bool> adjustPitchSetting)
@ -132,7 +133,7 @@ namespace osu.Game.Rulesets.Mods
dequeuedRates.Add(result.HitObject, recentRates[0]);
recentRates.RemoveAt(0);
overlay.TransformBindableTo(SpeedChange, recentRates.Average(), 100);
targetRate = recentRates.Average();
};
drawable.OnRevertResult += (o, result) =>
{
@ -143,7 +144,7 @@ namespace osu.Game.Rulesets.Mods
recentRates.RemoveAt(recentRates.Count - 1);
dequeuedRates.Remove(result.HitObject);
overlay.TransformBindableTo(SpeedChange, recentRates.Average(), 100);
targetRate = recentRates.Average();
};
}