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173 lines
5.4 KiB
C#
173 lines
5.4 KiB
C#
// Copyright (c) 2007-2017 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 OpenTK;
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using OpenTK.Graphics;
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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.Configuration;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.UserInterface;
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using osu.Framework.Input;
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using osu.Framework.Graphics.Cursor;
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using osu.Framework.Graphics.Shapes;
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namespace osu.Game.Graphics.UserInterface
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{
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public class OsuSliderBar<T> : SliderBar<T>, IHasTooltip, IHasAccentColour
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where T : struct, IEquatable<T>
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{
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private SampleChannel sample;
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private double lastSampleTime;
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private T lastSampleValue;
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protected readonly Nub Nub;
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private readonly Box leftBox;
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private readonly Box rightBox;
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public virtual string TooltipText
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{
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get
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{
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var bindableDouble = CurrentNumber as BindableNumber<double>;
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if (bindableDouble != null)
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{
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if (bindableDouble.MaxValue == 1 && (bindableDouble.MinValue == 0 || bindableDouble.MinValue == -1))
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return bindableDouble.Value.ToString(@"P0");
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return bindableDouble.Value.ToString(@"n1");
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}
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var bindableInt = CurrentNumber as BindableNumber<int>;
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if (bindableInt != null)
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return bindableInt.Value.ToString(@"n0");
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return Current.Value.ToString();
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}
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}
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private Color4 accentColour;
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public Color4 AccentColour
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{
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get { return accentColour; }
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set
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{
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accentColour = value;
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leftBox.Colour = value;
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rightBox.Colour = value;
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}
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}
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public OsuSliderBar()
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{
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Height = 12;
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RangePadding = 20;
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Children = new Drawable[]
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{
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leftBox = new Box
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{
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Height = 2,
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EdgeSmoothness = new Vector2(0, 0.5f),
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Position = new Vector2(2, 0),
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RelativeSizeAxes = Axes.None,
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Anchor = Anchor.CentreLeft,
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Origin = Anchor.CentreLeft,
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},
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rightBox = new Box
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{
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Height = 2,
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EdgeSmoothness = new Vector2(0, 0.5f),
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Position = new Vector2(-2, 0),
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RelativeSizeAxes = Axes.None,
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Anchor = Anchor.CentreRight,
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Origin = Anchor.CentreRight,
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Alpha = 0.5f,
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},
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Nub = new Nub
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{
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Origin = Anchor.TopCentre,
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Expanded = true,
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}
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};
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Current.DisabledChanged += disabled =>
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{
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Alpha = disabled ? 0.3f : 1;
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};
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}
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[BackgroundDependencyLoader]
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private void load(AudioManager audio, OsuColour colours)
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{
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sample = audio.Sample.Get(@"UI/sliderbar-notch");
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AccentColour = colours.Pink;
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}
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protected override bool OnHover(InputState state)
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{
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Nub.Glowing = true;
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return base.OnHover(state);
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}
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protected override void OnHoverLost(InputState state)
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{
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Nub.Glowing = false;
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base.OnHoverLost(state);
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}
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protected override void OnUserChange()
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{
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base.OnUserChange();
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playSample();
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}
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private void playSample()
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{
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if (Clock == null || Clock.CurrentTime - lastSampleTime <= 50)
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return;
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if (Current.Value.Equals(lastSampleValue))
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return;
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lastSampleValue = Current.Value;
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lastSampleTime = Clock.CurrentTime;
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sample.Frequency.Value = 1 + NormalizedValue * 0.2f;
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if (NormalizedValue == 0)
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sample.Frequency.Value -= 0.4f;
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else if (NormalizedValue == 1)
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sample.Frequency.Value += 0.4f;
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sample.Play();
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}
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protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
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{
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Nub.Current.Value = true;
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return base.OnMouseDown(state, args);
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}
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protected override bool OnMouseUp(InputState state, MouseUpEventArgs args)
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{
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Nub.Current.Value = false;
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return base.OnMouseUp(state, args);
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}
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protected override void UpdateAfterChildren()
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{
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base.UpdateAfterChildren();
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leftBox.Scale = new Vector2(MathHelper.Clamp(
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Nub.DrawPosition.X - Nub.DrawWidth / 2, 0, DrawWidth), 1);
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rightBox.Scale = new Vector2(MathHelper.Clamp(
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DrawWidth - Nub.DrawPosition.X - Nub.DrawWidth / 2, 0, DrawWidth), 1);
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}
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protected override void UpdateValue(float value)
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{
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Nub.MoveToX(RangePadding + UsableWidth * value, 250, EasingTypes.OutQuint);
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}
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}
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}
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