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432 lines
18 KiB
C#
432 lines
18 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 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.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.Shapes;
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using osu.Framework.Graphics.Sprites;
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using osu.Framework.Graphics.Textures;
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using osu.Framework.Input.Events;
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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.Backgrounds;
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using osu.Game.Graphics.Containers;
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using osu.Game.Overlays;
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using osuTK;
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using osuTK.Graphics;
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using osuTK.Input;
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namespace osu.Game.Screens.Menu
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{
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/// <summary>
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/// osu! logo and its attachments (pulsing, visualiser etc.)
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/// </summary>
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public class OsuLogo : BeatSyncedContainer
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{
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public readonly Color4 OsuPink = Color4Extensions.FromHex(@"e967a1");
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private const double transition_length = 300;
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private readonly Sprite logo;
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private readonly CircularContainer logoContainer;
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private readonly Container logoBounceContainer;
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private readonly Container logoBeatContainer;
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private readonly Container logoAmplitudeContainer;
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private readonly Container logoHoverContainer;
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private readonly MenuLogoVisualisation visualizer;
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private readonly IntroSequence intro;
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private Sample sampleClick;
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private Sample sampleBeat;
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private Sample sampleDownbeat;
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private readonly Container colourAndTriangles;
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private readonly Triangles triangles;
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/// <summary>
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/// Return value decides whether the logo should play its own sample for the click action.
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/// </summary>
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public Func<bool> Action;
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/// <summary>
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/// The size of the logo Sprite with respect to the scale of its hover and bounce containers.
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/// </summary>
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/// <remarks>Does not account for the scale of this <see cref="OsuLogo"/></remarks>
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public float SizeForFlow => logo == null ? 0 : logo.DrawSize.X * logo.Scale.X * logoBounceContainer.Scale.X * logoHoverContainer.Scale.X;
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public bool IsTracking { get; set; }
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private readonly Sprite ripple;
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private readonly Container rippleContainer;
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public bool Triangles
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{
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set => colourAndTriangles.FadeTo(value ? 1 : 0, transition_length, Easing.OutQuint);
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}
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public override bool ReceivePositionalInputAt(Vector2 screenSpacePos) => logoContainer.ReceivePositionalInputAt(screenSpacePos);
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public bool Ripple
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{
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get => rippleContainer.Alpha > 0;
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set => rippleContainer.FadeTo(value ? 1 : 0, transition_length, Easing.OutQuint);
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}
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private const float visualizer_default_alpha = 0.5f;
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private readonly Box flashLayer;
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private readonly Container impactContainer;
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private const double early_activation = 60;
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public override bool IsPresent => base.IsPresent || Scheduler.HasPendingTasks;
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public OsuLogo()
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{
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EarlyActivationMilliseconds = early_activation;
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Origin = Anchor.Centre;
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AutoSizeAxes = Axes.Both;
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Children = new Drawable[]
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{
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intro = new IntroSequence
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{
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RelativeSizeAxes = Axes.Both,
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},
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logoHoverContainer = new Container
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{
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AutoSizeAxes = Axes.Both,
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Children = new Drawable[]
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{
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logoBounceContainer = new DragContainer
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{
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AutoSizeAxes = Axes.Both,
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Children = new Drawable[]
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{
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rippleContainer = new Container
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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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Children = new Drawable[]
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{
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ripple = new Sprite
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Blending = BlendingParameters.Additive,
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Alpha = 0
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}
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}
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},
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logoAmplitudeContainer = new Container
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{
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AutoSizeAxes = Axes.Both,
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Children = new Drawable[]
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{
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logoBeatContainer = new Container
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{
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AutoSizeAxes = Axes.Both,
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Children = new Drawable[]
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{
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visualizer = new MenuLogoVisualisation
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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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Alpha = visualizer_default_alpha,
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Size = new Vector2(0.96f)
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},
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new Container
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{
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AutoSizeAxes = Axes.Both,
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Children = new Drawable[]
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{
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logoContainer = new CircularContainer
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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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Scale = new Vector2(0.88f),
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Masking = true,
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Children = new Drawable[]
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{
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colourAndTriangles = new Container
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{
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RelativeSizeAxes = Axes.Both,
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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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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Colour = OsuPink,
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},
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triangles = new Triangles
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{
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TriangleScale = 4,
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ColourLight = Color4Extensions.FromHex(@"ff7db7"),
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ColourDark = Color4Extensions.FromHex(@"de5b95"),
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RelativeSizeAxes = Axes.Both,
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},
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}
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},
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flashLayer = new Box
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{
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RelativeSizeAxes = Axes.Both,
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Blending = BlendingParameters.Additive,
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Colour = Color4.White,
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Alpha = 0,
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},
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},
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},
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logo = new Sprite
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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},
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}
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},
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impactContainer = new CircularContainer
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Alpha = 0,
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BorderColour = Color4.White,
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RelativeSizeAxes = Axes.Both,
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BorderThickness = 10,
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Masking = true,
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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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AlwaysPresent = true,
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Alpha = 0,
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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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}
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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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/// <summary>
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/// Schedule a new external animation. Handled queueing and finishing previous animations in a sane way.
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/// </summary>
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/// <param name="action">The animation to be performed</param>
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/// <param name="waitForPrevious">If true, the new animation is delayed until all previous transforms finish. If false, existing transformed are cleared.</param>
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public void AppendAnimatingAction(Action action, bool waitForPrevious)
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{
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void runnableAction()
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{
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if (waitForPrevious)
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this.DelayUntilTransformsFinished().Schedule(action);
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else
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{
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ClearTransforms();
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action();
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}
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}
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if (IsLoaded)
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runnableAction();
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else
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Schedule(runnableAction);
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}
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[BackgroundDependencyLoader]
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private void load(TextureStore textures, AudioManager audio)
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{
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sampleClick = audio.Samples.Get(@"Menu/osu-logo-select");
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sampleBeat = audio.Samples.Get(@"Menu/osu-logo-heartbeat");
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sampleDownbeat = audio.Samples.Get(@"Menu/osu-logo-downbeat");
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logo.Texture = textures.Get(@"Menu/logo");
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ripple.Texture = textures.Get(@"Menu/logo");
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}
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private int lastBeatIndex;
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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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lastBeatIndex = beatIndex;
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double beatLength = timingPoint.BeatLength;
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float amplitudeAdjust = Math.Min(1, 0.4f + amplitudes.Maximum);
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if (beatIndex < 0) return;
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if (IsHovered)
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{
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this.Delay(early_activation).Schedule(() =>
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{
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if (beatIndex % timingPoint.TimeSignature.Numerator == 0)
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{
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sampleDownbeat?.Play();
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}
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else
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{
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var channel = sampleBeat.GetChannel();
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channel.Frequency.Value = 0.95 + RNG.NextDouble(0.1);
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channel.Play();
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}
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});
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}
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logoBeatContainer
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.ScaleTo(1 - 0.02f * amplitudeAdjust, early_activation, Easing.Out).Then()
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.ScaleTo(1, beatLength * 2, Easing.OutQuint);
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ripple.ClearTransforms();
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ripple
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.ScaleTo(logoAmplitudeContainer.Scale)
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.ScaleTo(logoAmplitudeContainer.Scale * (1 + 0.04f * amplitudeAdjust), beatLength, Easing.OutQuint)
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.FadeTo(0.15f * amplitudeAdjust).FadeOut(beatLength, Easing.OutQuint);
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if (effectPoint.KiaiMode && flashLayer.Alpha < 0.4f)
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{
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flashLayer.ClearTransforms();
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flashLayer
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.FadeTo(0.2f * amplitudeAdjust, early_activation, Easing.Out).Then()
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.FadeOut(beatLength);
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visualizer.ClearTransforms();
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visualizer
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.FadeTo(visualizer_default_alpha * 1.8f * amplitudeAdjust, early_activation, Easing.Out).Then()
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.FadeTo(visualizer_default_alpha, beatLength);
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}
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}
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public void PlayIntro()
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{
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const double length = 3150;
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const double fade = 200;
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logoHoverContainer.FadeOut().Delay(length).FadeIn(fade);
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intro.Show();
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intro.Start(length);
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intro.Delay(length + fade).FadeOut();
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}
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[Resolved]
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private MusicController musicController { get; set; }
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protected override void Update()
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{
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base.Update();
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const float scale_adjust_cutoff = 0.4f;
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const float velocity_adjust_cutoff = 0.98f;
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const float paused_velocity = 0.5f;
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if (musicController.CurrentTrack.IsRunning)
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{
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float maxAmplitude = lastBeatIndex >= 0 ? musicController.CurrentTrack.CurrentAmplitudes.Maximum : 0;
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logoAmplitudeContainer.Scale = new Vector2((float)Interpolation.Damp(logoAmplitudeContainer.Scale.X, 1 - Math.Max(0, maxAmplitude - scale_adjust_cutoff) * 0.04f, 0.9f, Time.Elapsed));
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if (maxAmplitude > velocity_adjust_cutoff)
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triangles.Velocity = 1 + Math.Max(0, maxAmplitude - velocity_adjust_cutoff) * 50;
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else
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triangles.Velocity = (float)Interpolation.Damp(triangles.Velocity, 1, 0.995f, Time.Elapsed);
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}
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else
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{
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triangles.Velocity = paused_velocity;
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}
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}
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public override bool HandlePositionalInput => base.HandlePositionalInput && Action != null && Alpha > 0.2f;
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protected override bool OnMouseDown(MouseDownEvent e)
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{
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if (e.Button != MouseButton.Left) return false;
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logoBounceContainer.ScaleTo(0.9f, 1000, Easing.Out);
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return true;
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}
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protected override void OnMouseUp(MouseUpEvent e)
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{
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if (e.Button != MouseButton.Left) return;
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logoBounceContainer.ScaleTo(1f, 500, Easing.OutElastic);
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}
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protected override bool OnClick(ClickEvent e)
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{
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if (Action?.Invoke() ?? true)
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sampleClick.Play();
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flashLayer.ClearTransforms();
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flashLayer.Alpha = 0.4f;
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flashLayer.FadeOut(1500, Easing.OutExpo);
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return true;
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}
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protected override bool OnHover(HoverEvent e)
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{
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logoHoverContainer.ScaleTo(1.1f, 500, Easing.OutElastic);
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return true;
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}
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protected override void OnHoverLost(HoverLostEvent e)
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{
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logoHoverContainer.ScaleTo(1, 500, Easing.OutElastic);
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}
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public void Impact()
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{
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impactContainer.FadeOutFromOne(250, Easing.In);
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impactContainer.ScaleTo(0.96f);
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impactContainer.ScaleTo(1.12f, 250);
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}
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private class DragContainer : Container
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{
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public override bool DragBlocksClick => false;
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protected override bool OnDragStart(DragStartEvent e) => true;
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protected override void OnDrag(DragEvent e)
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{
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Vector2 change = e.MousePosition - e.MouseDownPosition;
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// Diminish the drag distance as we go further to simulate "rubber band" feeling.
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change *= change.Length <= 0 ? 0 : MathF.Pow(change.Length, 0.6f) / change.Length;
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this.MoveTo(change);
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}
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protected override void OnDragEnd(DragEndEvent e)
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{
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this.MoveTo(Vector2.Zero, 800, Easing.OutElastic);
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base.OnDragEnd(e);
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}
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}
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}
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}
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