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262 lines
10 KiB
C#
262 lines
10 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using System.Globalization;
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using osu.Framework.Allocation;
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using osu.Framework.Configuration;
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using osu.Framework.Extensions.Color4Extensions;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Effects;
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using osu.Framework.Graphics.Shapes;
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using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Input.Events;
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using osu.Framework.MathUtils;
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using osu.Game.Graphics;
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using osu.Game.Graphics.Sprites;
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using OpenTK;
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using OpenTK.Graphics;
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namespace osu.Game.Overlays.Volume
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{
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public class VolumeMeter : Container
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{
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private CircularProgress volumeCircle;
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private CircularProgress volumeCircleGlow;
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public BindableDouble Bindable { get; } = new BindableDouble { MinValue = 0, MaxValue = 1 };
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private readonly float circleSize;
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private readonly Color4 meterColour;
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private readonly string name;
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private OsuSpriteText text;
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private BufferedContainer maxGlow;
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public VolumeMeter(string name, float circleSize, Color4 meterColour)
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{
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this.circleSize = circleSize;
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this.meterColour = meterColour;
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this.name = name;
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AutoSizeAxes = Axes.Both;
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}
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[BackgroundDependencyLoader]
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private void load(OsuColour colours)
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{
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Color4 backgroundColour = colours.Gray1;
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CircularProgress bgProgress;
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const float progress_start_radius = 0.75f;
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const float progress_size = 0.03f;
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const float progress_end_radius = progress_start_radius + progress_size;
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const float blur_amount = 5;
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Children = new Drawable[]
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{
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new Container
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{
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Size = new Vector2(circleSize),
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Children = new Drawable[]
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{
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new BufferedContainer
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{
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Alpha = 0.9f,
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RelativeSizeAxes = Axes.Both,
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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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RelativeSizeAxes = Axes.Both,
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Colour = backgroundColour,
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},
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new CircularContainer
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{
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Masking = true,
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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RelativeSizeAxes = Axes.Both,
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Size = new Vector2(progress_end_radius),
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Children = new Drawable[]
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{
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bgProgress = new CircularProgress
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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RelativeSizeAxes = Axes.Both,
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Rotation = 180,
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Colour = backgroundColour,
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},
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new Container
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Name = "Progress under covers for smoothing",
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RelativeSizeAxes = Axes.Both,
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Rotation = 180,
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Child = volumeCircle = new CircularProgress
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{
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RelativeSizeAxes = Axes.Both,
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}
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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 = "Inner Cover",
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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RelativeSizeAxes = Axes.Both,
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Colour = backgroundColour,
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Size = new Vector2(progress_start_radius),
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},
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new Container
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{
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Name = "Progress overlay for glow",
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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RelativeSizeAxes = Axes.Both,
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Size = new Vector2(progress_start_radius + progress_size / 1.5f),
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Rotation = 180,
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Padding = new MarginPadding(-Blur.KernelSize(blur_amount)),
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Child = (volumeCircleGlow = new CircularProgress
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{
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RelativeSizeAxes = Axes.Both,
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InnerRadius = progress_size * 0.8f,
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}).WithEffect(new GlowEffect
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{
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Colour = meterColour,
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BlurSigma = new Vector2(blur_amount),
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Strength = 5,
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PadExtent = true
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}),
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},
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},
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},
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maxGlow = (text = new OsuSpriteText
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Font = "Venera",
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TextSize = 0.16f * circleSize
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}).WithEffect(new GlowEffect
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{
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Colour = Color4.Transparent,
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PadExtent = true,
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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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Size = new Vector2(120, 20),
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CornerRadius = 10,
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Masking = true,
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Margin = new MarginPadding { Left = circleSize + 10 },
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Origin = Anchor.CentreLeft,
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Anchor = Anchor.CentreLeft,
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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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Alpha = 0.9f,
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RelativeSizeAxes = Axes.Both,
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Colour = backgroundColour,
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},
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new OsuSpriteText
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Font = "Exo2.0-Bold",
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Text = name
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}
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}
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}
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};
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Bindable.ValueChanged += newVolume =>
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{
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this.TransformTo("DisplayVolume",
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newVolume,
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400,
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Easing.OutQuint);
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};
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bgProgress.Current.Value = 0.75f;
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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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Bindable.TriggerChange();
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}
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private double displayVolume;
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protected double DisplayVolume
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{
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get => displayVolume;
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set
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{
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displayVolume = value;
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if (displayVolume > 0.99f)
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{
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text.Text = "MAX";
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maxGlow.EffectColour = meterColour.Opacity(2f);
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}
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else
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{
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maxGlow.EffectColour = Color4.Transparent;
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text.Text = Math.Round(displayVolume * 100).ToString(CultureInfo.CurrentCulture);
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}
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volumeCircle.Current.Value = displayVolume * 0.75f;
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volumeCircleGlow.Current.Value = displayVolume * 0.75f;
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}
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}
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public double Volume
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{
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get => Bindable;
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private set => Bindable.Value = value;
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}
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private const float adjust_step = 0.05f;
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public void Increase(double amount = 1, bool isPrecise = false) => adjust(amount, isPrecise);
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public void Decrease(double amount = 1, bool isPrecise = false) => adjust(-amount, isPrecise);
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// because volume precision is set to 0.01, this local is required to keep track of more precise adjustments and only apply when possible.
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private double adjustAccumulator;
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private void adjust(double delta, bool isPrecise)
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{
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adjustAccumulator += delta * adjust_step * (isPrecise ? 0.1 : 1);
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if (Math.Abs(adjustAccumulator) < Bindable.Precision)
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return;
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Volume += adjustAccumulator;
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adjustAccumulator = 0;
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}
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protected override bool OnScroll(ScrollEvent e)
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{
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adjust(e.ScrollDelta.Y, e.IsPrecise);
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return true;
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}
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private const float transition_length = 500;
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protected override bool OnHover(HoverEvent e)
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{
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this.ScaleTo(1.04f, transition_length, Easing.OutExpo);
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return false;
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}
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protected override void OnHoverLost(HoverLostEvent e)
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{
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this.ScaleTo(1f, transition_length, Easing.OutExpo);
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}
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}
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}
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