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264 lines
8.1 KiB
C#
264 lines
8.1 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 OpenTK;
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using OpenTK.Graphics;
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using OpenTK.Input;
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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.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.Framework.Input;
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using osu.Game.Graphics.Sprites;
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using osu.Game.Rulesets.Mods;
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using osu.Game.Rulesets.UI;
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using System;
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using System.Linq;
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using osu.Framework.Graphics.Cursor;
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using osu.Game.Graphics.UserInterface;
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namespace osu.Game.Overlays.Mods
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{
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/// <summary>
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/// Represents a clickable button which can cycle through one of more mods.
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/// </summary>
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public class ModButton : ModButtonEmpty, IHasTooltip
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{
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private ModIcon foregroundIcon;
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private ModIcon backgroundIcon;
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private readonly SpriteText text;
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private readonly Container<ModIcon> iconsContainer;
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private SampleChannel sampleOn, sampleOff;
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public Action<Mod> Action; // Passed the selected mod or null if none
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public string TooltipText => (SelectedMod?.Description ?? Mods.FirstOrDefault()?.Description) ?? string.Empty;
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private const Easing mod_switch_easing = Easing.InOutSine;
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private const double mod_switch_duration = 120;
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// A selected index of -1 means not selected.
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private int selectedIndex = -1;
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protected int SelectedIndex
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{
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get
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{
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return selectedIndex;
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}
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set
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{
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if (value == selectedIndex) return;
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int direction = value < selectedIndex ? -1 : 1;
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bool beforeSelected = Selected;
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Mod modBefore = SelectedMod ?? Mods[0];
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if (value >= Mods.Length)
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selectedIndex = -1;
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else if (value < -1)
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selectedIndex = Mods.Length - 1;
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else
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selectedIndex = value;
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Mod modAfter = SelectedMod ?? Mods[0];
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if (beforeSelected != Selected)
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{
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iconsContainer.RotateTo(Selected ? 5f : 0f, 300, Easing.OutElastic);
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iconsContainer.ScaleTo(Selected ? 1.1f : 1f, 300, Easing.OutElastic);
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}
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if (modBefore != modAfter)
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{
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const float rotate_angle = 16;
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foregroundIcon.RotateTo(rotate_angle * direction, mod_switch_duration, mod_switch_easing);
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backgroundIcon.RotateTo(-rotate_angle * direction, mod_switch_duration, mod_switch_easing);
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backgroundIcon.Icon = modAfter.Icon;
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using (BeginDelayedSequence(mod_switch_duration, true))
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{
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foregroundIcon
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.RotateTo(-rotate_angle * direction)
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.RotateTo(0f, mod_switch_duration, mod_switch_easing);
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backgroundIcon
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.RotateTo(rotate_angle * direction)
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.RotateTo(0f, mod_switch_duration, mod_switch_easing);
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Schedule(() => displayMod(modAfter));
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}
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}
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foregroundIcon.Highlighted = Selected;
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}
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}
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public bool Selected => SelectedIndex != -1;
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private Color4 selectedColour;
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public Color4 SelectedColour
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{
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get
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{
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return selectedColour;
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}
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set
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{
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if (value == selectedColour) return;
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selectedColour = value;
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if (Selected) foregroundIcon.Colour = value;
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}
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}
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private Mod mod;
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public Mod Mod
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{
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get
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{
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return mod;
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}
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set
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{
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mod = value;
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if (mod == null)
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{
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Mods = Array.Empty<Mod>();
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Alpha = 0;
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}
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else
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{
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Mods = (mod as MultiMod)?.Mods ?? new[] { mod };
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Alpha = 1;
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}
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createIcons();
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if (Mods.Length > 0)
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{
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displayMod(Mods[0]);
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}
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}
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}
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public Mod[] Mods { get; private set; }
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// the mods from Mod, only multiple if Mod is a MultiMod
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public virtual Mod SelectedMod => Mods.ElementAtOrDefault(SelectedIndex);
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[BackgroundDependencyLoader]
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private void load(AudioManager audio)
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{
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sampleOn = audio.Sample.Get(@"UI/check-on");
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sampleOff = audio.Sample.Get(@"UI/check-off");
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}
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protected override bool OnMouseDown(InputState state, MouseDownEventArgs args)
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{
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switch (args.Button)
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{
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case MouseButton.Left:
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SelectNext();
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break;
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case MouseButton.Right:
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SelectPrevious();
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break;
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}
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return true;
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}
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public void SelectNext()
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{
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(++SelectedIndex == Mods.Length ? sampleOff : sampleOn).Play();
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Action?.Invoke(SelectedMod);
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}
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public void SelectPrevious()
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{
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(--SelectedIndex == -1 ? sampleOff : sampleOn).Play();
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Action?.Invoke(SelectedMod);
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}
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public void Deselect()
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{
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SelectedIndex = -1;
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}
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private void displayMod(Mod mod)
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{
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if (backgroundIcon != null)
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backgroundIcon.Icon = foregroundIcon.Icon;
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foregroundIcon.Icon = mod.Icon;
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text.Text = mod.Name;
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}
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private void createIcons()
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{
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iconsContainer.Clear();
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if (Mods.Length > 1)
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{
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iconsContainer.AddRange(new[]
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{
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backgroundIcon = new ModIcon(Mods[1])
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{
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Origin = Anchor.BottomRight,
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Anchor = Anchor.BottomRight,
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Position = new Vector2(1.5f),
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},
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foregroundIcon = new ModIcon(Mods[0])
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{
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Origin = Anchor.BottomRight,
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Anchor = Anchor.BottomRight,
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Position = new Vector2(-1.5f),
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},
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});
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}
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else
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{
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iconsContainer.Add(foregroundIcon = new ModIcon(Mod)
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{
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Origin = Anchor.Centre,
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Anchor = Anchor.Centre,
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});
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}
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}
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public ModButton(Mod mod)
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{
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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(77f, 80f),
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Origin = Anchor.TopCentre,
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Anchor = Anchor.TopCentre,
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Children = new Drawable[]
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{
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iconsContainer = new Container<ModIcon>
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{
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RelativeSizeAxes = Axes.Both,
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Origin = Anchor.Centre,
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Anchor = Anchor.Centre,
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}
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}
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},
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text = new OsuSpriteText
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{
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Y = 75,
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Origin = Anchor.TopCentre,
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Anchor = Anchor.TopCentre,
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TextSize = 18,
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},
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new HoverClickSounds()
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};
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Mod = mod;
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}
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}
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}
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