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140 lines
4.4 KiB
C#
140 lines
4.4 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 System;
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using JetBrains.Annotations;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.Animations;
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using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics.Pooling;
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using osu.Framework.Graphics.Sprites;
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using osuTK;
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using osuTK.Graphics;
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namespace osu.Game.Rulesets.Catch.UI
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{
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/// <summary>
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/// Represents a component responsible for displaying
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/// the appropriate catcher trails when requested to.
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/// </summary>
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public class CatcherTrailDisplay : CompositeDrawable
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{
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private readonly Catcher catcher;
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private readonly DrawablePool<CatcherTrailSprite> trailPool;
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private readonly Container<CatcherTrailSprite> dashTrails;
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private readonly Container<CatcherTrailSprite> hyperDashTrails;
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private readonly Container<CatcherTrailSprite> endGlowSprites;
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private Color4 hyperDashTrailsColour = Catcher.DEFAULT_HYPER_DASH_COLOUR;
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public Color4 HyperDashTrailsColour
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{
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get => hyperDashTrailsColour;
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set
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{
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if (hyperDashTrailsColour == value)
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return;
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hyperDashTrailsColour = value;
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hyperDashTrails.Colour = hyperDashTrailsColour;
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}
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}
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private Color4 endGlowSpritesColour = Catcher.DEFAULT_HYPER_DASH_COLOUR;
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public Color4 EndGlowSpritesColour
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{
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get => endGlowSpritesColour;
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set
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{
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if (endGlowSpritesColour == value)
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return;
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endGlowSpritesColour = value;
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endGlowSprites.Colour = endGlowSpritesColour;
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}
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}
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private bool trail;
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/// <summary>
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/// Whether to start displaying trails following the catcher.
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/// </summary>
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public bool DisplayTrail
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{
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get => trail;
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set
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{
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if (trail == value)
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return;
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trail = value;
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if (trail)
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displayTrail();
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}
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}
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public CatcherTrailDisplay([NotNull] Catcher catcher)
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{
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this.catcher = catcher ?? throw new ArgumentNullException(nameof(catcher));
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RelativeSizeAxes = Axes.Both;
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InternalChildren = new Drawable[]
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{
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trailPool = new DrawablePool<CatcherTrailSprite>(30),
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dashTrails = new Container<CatcherTrailSprite> { RelativeSizeAxes = Axes.Both },
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hyperDashTrails = new Container<CatcherTrailSprite> { RelativeSizeAxes = Axes.Both, Colour = Catcher.DEFAULT_HYPER_DASH_COLOUR },
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endGlowSprites = new Container<CatcherTrailSprite> { RelativeSizeAxes = Axes.Both, Colour = Catcher.DEFAULT_HYPER_DASH_COLOUR },
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};
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}
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/// <summary>
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/// Displays a single end-glow catcher sprite.
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/// </summary>
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public void DisplayEndGlow()
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{
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var endGlow = createTrailSprite(endGlowSprites);
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endGlow.MoveToOffset(new Vector2(0, -10), 1200, Easing.In);
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endGlow.ScaleTo(endGlow.Scale * 0.95f).ScaleTo(endGlow.Scale * 1.2f, 1200, Easing.In);
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endGlow.FadeOut(1200);
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endGlow.Expire(true);
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}
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private void displayTrail()
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{
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if (!DisplayTrail)
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return;
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var sprite = createTrailSprite(catcher.HyperDashing ? hyperDashTrails : dashTrails);
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sprite.FadeTo(0.4f).FadeOut(800, Easing.OutQuint);
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sprite.Expire(true);
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Scheduler.AddDelayed(displayTrail, catcher.HyperDashing ? 25 : 50);
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}
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private CatcherTrailSprite createTrailSprite(Container<CatcherTrailSprite> target)
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{
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var texture = (catcher.CurrentDrawableCatcher as TextureAnimation)?.CurrentFrame ?? ((Sprite)catcher.CurrentDrawableCatcher).Texture;
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CatcherTrailSprite sprite = trailPool.Get();
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sprite.Texture = texture;
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sprite.Anchor = catcher.Anchor;
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sprite.Scale = catcher.Scale;
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sprite.Blending = BlendingParameters.Additive;
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sprite.RelativePositionAxes = catcher.RelativePositionAxes;
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sprite.Position = catcher.Position;
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target.Add(sprite);
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return sprite;
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}
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}
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}
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