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157 lines
5.4 KiB
C#
157 lines
5.4 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 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.Animations;
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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.Graphics.Textures;
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using osu.Game.Rulesets.Objects.Drawables;
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using osu.Game.Rulesets.Osu.Objects.Drawables;
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using osu.Game.Skinning;
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using osuTK;
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using osuTK.Graphics;
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namespace osu.Game.Rulesets.Osu.Skinning.Legacy
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{
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public partial class LegacySliderBall : CompositeDrawable
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{
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private readonly ISkin skin;
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[Resolved(canBeNull: true)]
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private DrawableHitObject? parentObject { get; set; }
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private Sprite layerNd = null!;
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private Sprite layerSpec = null!;
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private TextureAnimation ballAnimation = null!;
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private Texture[] ballTextures = null!;
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public Color4 BallColour => ballAnimation.Colour;
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public LegacySliderBall(ISkin skin)
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{
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this.skin = skin;
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AutoSizeAxes = Axes.Both;
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}
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[BackgroundDependencyLoader]
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private void load()
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{
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Vector2 maxSize = OsuLegacySkinTransformer.MAX_FOLLOW_CIRCLE_AREA_SIZE;
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var ballColour = skin.GetConfig<OsuSkinColour, Color4>(OsuSkinColour.SliderBall)?.Value ?? Color4.White;
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ballTextures = skin.GetTextures("sliderb", default, default, true, "", maxSize, out _);
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InternalChildren = new Drawable[]
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{
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layerNd = new Sprite
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Texture = skin.GetTexture("sliderb-nd")?.WithMaximumSize(maxSize),
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Colour = new Color4(5, 5, 5, 255),
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},
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ballAnimation = new LegacySkinExtensions.SkinnableTextureAnimation
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Colour = ballColour,
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},
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layerSpec = new Sprite
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{
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Anchor = Anchor.Centre,
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Origin = Anchor.Centre,
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Texture = skin.GetTexture("sliderb-spec")?.WithMaximumSize(maxSize),
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Blending = BlendingParameters.Additive,
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},
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};
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if (parentObject != null)
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parentObject.HitObjectApplied += onHitObjectApplied;
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onHitObjectApplied(parentObject);
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}
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private readonly IBindable<Color4> accentColour = new Bindable<Color4>();
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protected override void LoadComplete()
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{
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base.LoadComplete();
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if (parentObject != null)
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{
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parentObject.ApplyCustomUpdateState += updateStateTransforms;
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updateStateTransforms(parentObject, parentObject.State.Value);
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if (skin.GetConfig<SkinConfiguration.LegacySetting, bool>(SkinConfiguration.LegacySetting.AllowSliderBallTint)?.Value == true)
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{
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accentColour.BindTo(parentObject.AccentColour);
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accentColour.BindValueChanged(a => ballAnimation.Colour = a.NewValue, true);
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}
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}
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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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//undo rotation on layers which should not be rotated.
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float appliedRotation = Parent!.Rotation;
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layerNd.Rotation = -appliedRotation;
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layerSpec.Rotation = -appliedRotation;
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}
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private void onHitObjectApplied(DrawableHitObject? drawableObject = null)
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{
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double frameDelay;
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if (drawableObject?.HitObject != null)
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{
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DrawableSlider drawableSlider = (DrawableSlider)drawableObject;
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frameDelay = Math.Max(
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0.15 / drawableSlider.HitObject.Velocity * LegacySkinExtensions.SIXTY_FRAME_TIME,
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LegacySkinExtensions.SIXTY_FRAME_TIME);
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}
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else
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frameDelay = LegacySkinExtensions.SIXTY_FRAME_TIME;
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ballAnimation.ClearFrames();
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foreach (var texture in ballTextures)
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ballAnimation.AddFrame(texture, frameDelay);
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}
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private void updateStateTransforms(DrawableHitObject drawableObject, ArmedState _)
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{
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// Gets called by slider ticks, tails, etc., leading to duplicated
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// animations which in this case have no visual impact (due to
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// instant fade) but may negatively affect performance
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if (drawableObject is not DrawableSlider)
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return;
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using (BeginAbsoluteSequence(drawableObject.StateUpdateTime))
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this.FadeIn();
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using (BeginAbsoluteSequence(drawableObject.HitStateUpdateTime))
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this.FadeOut();
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}
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protected override void Dispose(bool isDisposing)
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{
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base.Dispose(isDisposing);
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if (parentObject != null)
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{
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parentObject.HitObjectApplied -= onHitObjectApplied;
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parentObject.ApplyCustomUpdateState -= updateStateTransforms;
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}
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}
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}
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}
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