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osu-lazer/osu.Game/Screens/Edit/Timing/MetronomeDisplay.cs

338 lines
12 KiB
C#

// 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.
#nullable disable
using System;
using JetBrains.Annotations;
using osu.Framework.Allocation;
using osu.Framework.Audio;
using osu.Framework.Audio.Sample;
using osu.Framework.Audio.Track;
using osu.Framework.Bindables;
using osu.Framework.Extensions.LocalisationExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Colour;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Threading;
using osu.Framework.Timing;
using osu.Framework.Utils;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.Sprites;
using osu.Game.Overlays;
using osuTK;
namespace osu.Game.Screens.Edit.Timing
{
public class MetronomeDisplay : BeatSyncedContainer
{
private Container swing;
private OsuSpriteText bpmText;
private Drawable weight;
private Drawable stick;
private IAdjustableClock metronomeClock;
private Sample sampleTick;
private Sample sampleTickDownbeat;
private Sample sampleLatch;
[CanBeNull]
private ScheduledDelegate tickPlaybackDelegate;
[Resolved]
private OverlayColourProvider overlayColourProvider { get; set; }
public bool EnableClicking { get; set; } = true;
public MetronomeDisplay()
{
AllowMistimedEventFiring = false;
}
[BackgroundDependencyLoader]
private void load(AudioManager audio)
{
sampleTick = audio.Samples.Get(@"UI/metronome-tick");
sampleTickDownbeat = audio.Samples.Get(@"UI/metronome-tick-downbeat");
sampleLatch = audio.Samples.Get(@"UI/metronome-latch");
const float taper = 25;
const float swing_vertical_offset = -23;
const float lower_cover_height = 32;
var triangleSize = new Vector2(90, 120 + taper);
Margin = new MarginPadding(10);
AutoSizeAxes = Axes.Both;
InternalChildren = new Drawable[]
{
new Container
{
Name = @"Taper adjust",
Masking = true,
Anchor = Anchor.BottomCentre,
Origin = Anchor.BottomCentre,
Size = new Vector2(triangleSize.X, triangleSize.Y - taper),
Children = new Drawable[]
{
new Triangle
{
Name = @"Main body",
EdgeSmoothness = new Vector2(1),
Anchor = Anchor.BottomCentre,
Origin = Anchor.BottomCentre,
Size = triangleSize,
Colour = overlayColourProvider.Background3,
},
},
},
new Circle
{
Name = "Centre marker",
Colour = overlayColourProvider.Background5,
RelativeSizeAxes = Axes.Y,
Width = 2,
Anchor = Anchor.BottomCentre,
Origin = Anchor.BottomCentre,
Y = -(lower_cover_height + 3),
Height = 0.65f,
},
swing = new Container
{
Name = @"Swing",
RelativeSizeAxes = Axes.Both,
Y = swing_vertical_offset,
Height = 0.80f,
Anchor = Anchor.BottomCentre,
Origin = Anchor.BottomCentre,
Children = new[]
{
stick = new Circle
{
Name = @"Stick",
RelativeSizeAxes = Axes.Y,
Colour = overlayColourProvider.Colour2,
Anchor = Anchor.BottomCentre,
Origin = Anchor.BottomCentre,
Width = 4,
},
weight = new Container
{
Name = @"Weight",
Anchor = Anchor.TopCentre,
Origin = Anchor.Centre,
Size = new Vector2(10),
Rotation = 180,
RelativePositionAxes = Axes.Y,
Y = 0.4f,
Children = new Drawable[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Shear = new Vector2(0.2f, 0),
Colour = overlayColourProvider.Colour1,
EdgeSmoothness = new Vector2(1),
},
new Box
{
RelativeSizeAxes = Axes.Both,
Shear = new Vector2(-0.2f, 0),
Colour = overlayColourProvider.Colour1,
EdgeSmoothness = new Vector2(1),
},
new Circle
{
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Colour = ColourInfo.GradientVertical(overlayColourProvider.Colour1, overlayColourProvider.Colour0),
RelativeSizeAxes = Axes.Y,
Width = 1,
Height = 0.9f
},
}
},
}
},
new Container
{
Name = @"Taper adjust",
Masking = true,
Anchor = Anchor.BottomCentre,
Origin = Anchor.BottomCentre,
Size = new Vector2(triangleSize.X, triangleSize.Y - taper),
Children = new Drawable[]
{
new Circle
{
Name = @"Locking wedge",
Anchor = Anchor.TopCentre,
Origin = Anchor.Centre,
Colour = overlayColourProvider.Background1,
Size = new Vector2(8),
}
},
},
new Circle
{
Name = @"Swing connection point",
Y = swing_vertical_offset,
Anchor = Anchor.BottomCentre,
Origin = Anchor.Centre,
Colour = overlayColourProvider.Colour0,
Size = new Vector2(8)
},
new Container
{
Name = @"Lower cover",
Anchor = Anchor.BottomCentre,
Origin = Anchor.BottomCentre,
RelativeSizeAxes = Axes.X,
Masking = true,
Height = lower_cover_height,
Children = new Drawable[]
{
new Triangle
{
Anchor = Anchor.BottomCentre,
Origin = Anchor.BottomCentre,
Size = triangleSize,
Colour = overlayColourProvider.Background2,
EdgeSmoothness = new Vector2(1),
Alpha = 0.8f
},
}
},
bpmText = new OsuSpriteText
{
Name = @"BPM display",
Colour = overlayColourProvider.Content1,
Anchor = Anchor.BottomCentre,
Origin = Anchor.BottomCentre,
Y = -3,
},
};
Clock = new FramedClock(metronomeClock = new StopwatchClock(true));
}
private double beatLength;
private TimingControlPoint timingPoint;
private bool isSwinging;
private readonly BindableInt interpolatedBpm = new BindableInt();
private ScheduledDelegate latchDelegate;
protected override void LoadComplete()
{
base.LoadComplete();
interpolatedBpm.BindValueChanged(bpm => bpmText.Text = bpm.NewValue.ToLocalisableString());
}
protected override void Update()
{
base.Update();
if (BeatSyncSource.ControlPoints == null || BeatSyncSource.Clock == null)
return;
metronomeClock.Rate = IsBeatSyncedWithTrack ? BeatSyncSource.Clock.Rate : 1;
timingPoint = BeatSyncSource.ControlPoints.TimingPointAt(BeatSyncSource.Clock.CurrentTime);
if (beatLength != timingPoint.BeatLength)
{
beatLength = timingPoint.BeatLength;
EarlyActivationMilliseconds = timingPoint.BeatLength / 2;
float bpmRatio = (float)Interpolation.ApplyEasing(Easing.OutQuad, Math.Clamp((timingPoint.BPM - 30) / 480, 0, 1));
weight.MoveToY((float)Interpolation.Lerp(0.1f, 0.83f, bpmRatio), 600, Easing.OutQuint);
this.TransformBindableTo(interpolatedBpm, (int)Math.Round(timingPoint.BPM), 600, Easing.OutQuint);
}
if (BeatSyncSource.Clock?.IsRunning != true && isSwinging)
{
swing.ClearTransforms(true);
isSwinging = false;
tickPlaybackDelegate?.Cancel();
tickPlaybackDelegate = null;
// instantly latch if pendulum arm is close enough to center (to prevent awkward delayed playback of latch sound)
if (Precision.AlmostEquals(swing.Rotation, 0, 1))
{
swing.RotateTo(0, 60, Easing.OutQuint);
stick.FadeColour(overlayColourProvider.Colour2, 1000, Easing.OutQuint);
sampleLatch?.Play();
return;
}
using (BeginDelayedSequence(350))
{
swing.RotateTo(0, 1000, Easing.OutQuint);
stick.FadeColour(overlayColourProvider.Colour2, 1000, Easing.OutQuint);
using (BeginDelayedSequence(380))
latchDelegate = Schedule(() => sampleLatch?.Play());
}
}
}
protected override void OnNewBeat(int beatIndex, TimingControlPoint timingPoint, EffectControlPoint effectPoint, ChannelAmplitudes amplitudes)
{
base.OnNewBeat(beatIndex, timingPoint, effectPoint, amplitudes);
const float angle = 27.5f;
if (!IsBeatSyncedWithTrack)
return;
isSwinging = true;
latchDelegate?.Cancel();
latchDelegate = null;
float currentAngle = swing.Rotation;
float targetAngle = currentAngle > 0 ? -angle : angle;
swing.RotateTo(targetAngle, beatLength, Easing.InOutQuad);
if (currentAngle != 0 && Math.Abs(currentAngle - targetAngle) > angle * 1.8f && isSwinging)
{
using (BeginDelayedSequence(beatLength / 2))
{
stick.FlashColour(overlayColourProvider.Content1, beatLength, Easing.OutQuint);
tickPlaybackDelegate = Schedule(() =>
{
if (!EnableClicking)
return;
var channel = beatIndex % timingPoint.TimeSignature.Numerator == 0 ? sampleTickDownbeat?.GetChannel() : sampleTick?.GetChannel();
if (channel == null)
return;
channel.Frequency.Value = RNG.NextDouble(0.98f, 1.02f);
channel.Play();
});
}
}
}
}
}