2022-05-23 10:52:01 +00:00
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// 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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#nullable enable
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using System;
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using System.Linq;
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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.Framework.Graphics.Audio;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Input.Events;
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using osu.Game.Beatmaps;
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using osu.Game.Beatmaps.ControlPoints;
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using osu.Game.Graphics.Sprites;
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using osu.Game.Graphics.UserInterfaceV2;
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using osu.Game.Overlays;
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using osuTK;
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using osuTK.Graphics;
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namespace osu.Game.Screens.Edit.Timing
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{
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internal class WaveformComparisonDisplay : CompositeDrawable
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{
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private const int total_waveforms = 8;
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private OsuSpriteText beatIndexText = null!;
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private readonly BindableNumber<double> beatLength = new BindableDouble();
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[Resolved]
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private IBindable<WorkingBeatmap> beatmap { get; set; } = null!;
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[Resolved]
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2022-05-23 11:01:25 +00:00
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private Bindable<ControlPointGroup?> selectedGroup { get; set; } = null!;
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2022-05-23 10:52:01 +00:00
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[Resolved]
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private EditorClock editorClock { get; set; } = null!;
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[Resolved]
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private OverlayColourProvider colourProvider { get; set; } = null!;
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private TimingControlPoint timingPoint = TimingControlPoint.DEFAULT;
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private int lastDisplayedBeatIndex;
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2022-05-23 11:01:25 +00:00
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private double offsetZeroTime => selectedGroup.Value?.Time ?? 0;
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2022-05-23 10:52:01 +00:00
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public WaveformComparisonDisplay()
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{
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RelativeSizeAxes = Axes.Both;
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CornerRadius = LabelledDrawable<Drawable>.CORNER_RADIUS;
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Masking = true;
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}
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protected override void LoadComplete()
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{
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base.LoadComplete();
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for (int i = 0; i < total_waveforms; i++)
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{
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AddInternal(new WaveformGraph
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{
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RelativeSizeAxes = Axes.Both,
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BaseColour = colourProvider.Colour0,
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LowColour = colourProvider.Colour1,
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MidColour = colourProvider.Colour2,
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HighColour = colourProvider.Colour4,
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Waveform = beatmap.Value.Waveform,
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Resolution = 1,
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RelativePositionAxes = Axes.Both,
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Height = 1f / total_waveforms,
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Y = (float)i / total_waveforms,
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});
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}
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AddInternal(new Circle
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Colour = Color4.White,
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RelativeSizeAxes = Axes.Y,
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Width = 3,
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});
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AddInternal(beatIndexText = new OsuSpriteText
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{
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Margin = new MarginPadding(5),
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});
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selectedGroup.BindValueChanged(selectedGroupChanged, true);
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beatLength.BindValueChanged(_ => showFrom(lastDisplayedBeatIndex), true);
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}
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2022-05-23 11:01:25 +00:00
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private void selectedGroupChanged(ValueChangedEvent<ControlPointGroup?> group)
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2022-05-23 10:52:01 +00:00
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{
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timingPoint = selectedGroup.Value?.ControlPoints.OfType<TimingControlPoint>().FirstOrDefault()
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2022-05-23 11:01:25 +00:00
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?? new TimingControlPoint();
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2022-05-23 10:52:01 +00:00
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beatLength.UnbindBindings();
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beatLength.BindTo(timingPoint.BeatLengthBindable);
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}
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protected override bool OnHover(HoverEvent e) => true;
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protected override bool OnMouseMove(MouseMoveEvent e)
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{
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float trackLength = (float)beatmap.Value.Track.Length;
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int totalBeatsAvailable = (int)(trackLength / timingPoint.BeatLength);
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Scheduler.AddOnce(showFrom, (int)(e.MousePosition.X / DrawWidth * totalBeatsAvailable));
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return base.OnMouseMove(e);
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}
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protected override void Update()
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{
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base.Update();
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if (!IsHovered)
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{
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2022-05-23 11:01:25 +00:00
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int beatOffset = (int)Math.Max(0, ((editorClock.CurrentTime - offsetZeroTime) / timingPoint.BeatLength));
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2022-05-23 10:52:01 +00:00
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showFrom(beatOffset);
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}
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}
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private void showFrom(int beatIndex)
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{
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const float visible_width = 300;
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float trackLength = (float)beatmap.Value.Track.Length;
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float scale = trackLength / visible_width;
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beatIndexText.Text = beatIndex.ToString();
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foreach (var waveform in InternalChildren.OfType<WaveformGraph>())
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{
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// offset to the required beat index.
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2022-05-23 11:01:25 +00:00
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float offset = (float)(offsetZeroTime + (beatIndex * timingPoint.BeatLength - (visible_width / 2))) / trackLength * scale;
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2022-05-23 10:52:01 +00:00
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waveform.X = -offset;
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waveform.Scale = new Vector2(scale, 1);
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beatIndex++;
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}
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lastDisplayedBeatIndex = beatIndex;
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}
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}
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}
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