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86 lines
2.9 KiB
C#
86 lines
2.9 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.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics;
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using osu.Game.Beatmaps.ControlPoints;
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using osu.Game.Beatmaps.Timing;
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using osu.Game.Overlays.Settings;
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namespace osu.Game.Screens.Edit.Timing
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{
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internal class TimingSection : Section<TimingControlPoint>
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{
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private SettingsSlider<double> bpm;
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private SettingsEnumDropdown<TimeSignatures> timeSignature;
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[BackgroundDependencyLoader]
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private void load()
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{
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Flow.AddRange(new Drawable[]
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{
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bpm = new BPMSlider
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{
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Bindable = new TimingControlPoint().BeatLengthBindable,
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LabelText = "BPM",
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},
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timeSignature = new SettingsEnumDropdown<TimeSignatures>
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{
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LabelText = "Time Signature"
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},
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});
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}
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protected override void OnControlPointChanged(ValueChangedEvent<TimingControlPoint> point)
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{
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if (point.NewValue != null)
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{
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bpm.Bindable = point.NewValue.BeatLengthBindable;
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timeSignature.Bindable = point.NewValue.TimeSignatureBindable;
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}
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}
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protected override TimingControlPoint CreatePoint()
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{
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var reference = Beatmap.Value.Beatmap.ControlPointInfo.TimingPointAt(SelectedGroup.Value.Time);
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return new TimingControlPoint
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{
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BeatLength = reference.BeatLength,
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TimeSignature = reference.TimeSignature
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};
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}
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private class BPMSlider : SettingsSlider<double>
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{
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private readonly BindableDouble beatLengthBindable = new BindableDouble();
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private BindableDouble bpmBindable;
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public override Bindable<double> Bindable
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{
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get => base.Bindable;
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set
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{
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// incoming will be beatlength
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beatLengthBindable.UnbindBindings();
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beatLengthBindable.BindTo(value);
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base.Bindable = bpmBindable = new BindableDouble(beatLengthToBpm(beatLengthBindable.Value))
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{
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MinValue = beatLengthToBpm(beatLengthBindable.MaxValue),
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MaxValue = beatLengthToBpm(beatLengthBindable.MinValue),
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Default = beatLengthToBpm(beatLengthBindable.Default),
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};
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bpmBindable.BindValueChanged(bpm => beatLengthBindable.Value = beatLengthToBpm(bpm.NewValue));
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}
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}
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private double beatLengthToBpm(double beatLength) => 60000 / beatLength;
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}
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}
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}
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