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