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258 lines
7.6 KiB
C#
258 lines
7.6 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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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.Containers;
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using osu.Framework.Graphics.Sprites;
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using osu.Game.Graphics;
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using osu.Game.Graphics.Sprites;
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using osu.Game.Skinning;
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using osuTK;
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namespace osu.Game.Screens.Play.HUD
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{
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/// <summary>
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/// Uses the 'x' symbol and has a pop-out effect while rolling over.
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/// </summary>
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public class LegacyComboCounter : CompositeDrawable, IComboCounter
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{
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public Bindable<int> Current { get; } = new BindableInt { MinValue = 0, };
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private uint scheduledPopOutCurrentId;
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private const double pop_out_duration = 150;
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private const Easing pop_out_easing = Easing.None;
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private const double fade_out_duration = 100;
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/// <summary>
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/// Duration in milliseconds for the counter roll-up animation for each element.
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/// </summary>
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private const double rolling_duration = 20;
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private Drawable popOutCount;
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private Drawable displayedCountSpriteText;
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private int previousValue;
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private int displayedCount;
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private bool isRolling;
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[Resolved]
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private ISkinSource skin { get; set; }
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public LegacyComboCounter()
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{
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AutoSizeAxes = Axes.Both;
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Anchor = Anchor.BottomLeft;
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Origin = Anchor.BottomLeft;
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Margin = new MarginPadding { Bottom = 10, Left = 10 };
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Scale = new Vector2(1.2f);
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}
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/// <summary>
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/// Value shown at the current moment.
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/// </summary>
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public virtual int DisplayedCount
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{
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get => displayedCount;
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private set
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{
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if (displayedCount.Equals(value))
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return;
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if (isRolling)
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onDisplayedCountRolling(displayedCount, value);
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else if (displayedCount + 1 == value)
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onDisplayedCountIncrement(value);
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else
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onDisplayedCountChange(value);
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displayedCount = value;
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}
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}
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[BackgroundDependencyLoader]
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private void load()
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{
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InternalChildren = new[]
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{
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displayedCountSpriteText = createSpriteText().With(s =>
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{
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s.Alpha = 0;
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}),
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popOutCount = createSpriteText().With(s =>
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{
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s.Alpha = 0;
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s.Margin = new MarginPadding(0.05f);
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})
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};
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Current.ValueChanged += combo => updateCount(combo.NewValue == 0);
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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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((IHasText)displayedCountSpriteText).Text = formatCount(Current.Value);
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displayedCountSpriteText.Anchor = Anchor;
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displayedCountSpriteText.Origin = Origin;
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popOutCount.Origin = Origin;
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popOutCount.Anchor = Anchor;
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updateCount(false);
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}
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private void updateCount(bool rolling)
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{
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int prev = previousValue;
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previousValue = Current.Value;
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if (!IsLoaded)
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return;
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if (!rolling)
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{
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FinishTransforms(false, nameof(DisplayedCount));
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isRolling = false;
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DisplayedCount = prev;
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if (prev + 1 == Current.Value)
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onCountIncrement(prev, Current.Value);
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else
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onCountChange(prev, Current.Value);
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}
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else
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{
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onCountRolling(displayedCount, Current.Value);
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isRolling = true;
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}
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}
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private void transformPopOut(int newValue)
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{
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((IHasText)popOutCount).Text = formatCount(newValue);
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popOutCount.ScaleTo(1.6f);
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popOutCount.FadeTo(0.75f);
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popOutCount.MoveTo(Vector2.Zero);
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popOutCount.ScaleTo(1, pop_out_duration, pop_out_easing);
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popOutCount.FadeOut(pop_out_duration, pop_out_easing);
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popOutCount.MoveTo(displayedCountSpriteText.Position, pop_out_duration, pop_out_easing);
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}
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private void transformNoPopOut(int newValue)
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{
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((IHasText)displayedCountSpriteText).Text = formatCount(newValue);
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displayedCountSpriteText.ScaleTo(1);
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}
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private void transformPopOutSmall(int newValue)
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{
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((IHasText)displayedCountSpriteText).Text = formatCount(newValue);
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displayedCountSpriteText.ScaleTo(1.1f);
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displayedCountSpriteText.ScaleTo(1, pop_out_duration, pop_out_easing);
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}
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private void scheduledPopOutSmall(uint id)
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{
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// Too late; scheduled task invalidated
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if (id != scheduledPopOutCurrentId)
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return;
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DisplayedCount++;
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}
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private void onCountIncrement(int currentValue, int newValue)
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{
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scheduledPopOutCurrentId++;
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if (DisplayedCount < currentValue)
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DisplayedCount++;
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displayedCountSpriteText.Show();
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transformPopOut(newValue);
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uint newTaskId = scheduledPopOutCurrentId;
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Scheduler.AddDelayed(delegate
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{
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scheduledPopOutSmall(newTaskId);
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}, pop_out_duration);
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}
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private void onCountRolling(int currentValue, int newValue)
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{
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scheduledPopOutCurrentId++;
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// Hides displayed count if was increasing from 0 to 1 but didn't finish
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if (currentValue == 0 && newValue == 0)
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displayedCountSpriteText.FadeOut(fade_out_duration);
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transformRoll(currentValue, newValue);
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}
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private void onCountChange(int currentValue, int newValue)
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{
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scheduledPopOutCurrentId++;
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if (newValue == 0)
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displayedCountSpriteText.FadeOut();
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DisplayedCount = newValue;
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}
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private void onDisplayedCountRolling(int currentValue, int newValue)
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{
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if (newValue == 0)
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displayedCountSpriteText.FadeOut(fade_out_duration);
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else
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displayedCountSpriteText.Show();
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transformNoPopOut(newValue);
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}
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private void onDisplayedCountChange(int newValue)
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{
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displayedCountSpriteText.FadeTo(newValue == 0 ? 0 : 1);
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transformNoPopOut(newValue);
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}
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private void onDisplayedCountIncrement(int newValue)
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{
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displayedCountSpriteText.Show();
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transformPopOutSmall(newValue);
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}
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private void transformRoll(int currentValue, int newValue) =>
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this.TransformTo(nameof(DisplayedCount), newValue, getProportionalDuration(currentValue, newValue), Easing.None);
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private string formatCount(int count) => $@"{count}x";
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private double getProportionalDuration(int currentValue, int newValue)
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{
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double difference = currentValue > newValue ? currentValue - newValue : newValue - currentValue;
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return difference * rolling_duration;
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}
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private Drawable createSpriteText() => skin?.GetDrawableComponent(new HUDSkinComponent(HUDSkinComponents.ScoreText)) ?? new OsuSpriteText
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{
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Font = OsuFont.Numeric.With(size: 40),
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UseFullGlyphHeight = false,
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};
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}
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}
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