Add argon hit explosion

osu.Game.Rulesets.Mania/Skinning/Argon/ArgonHitExplosion.cs

@@ -0,0 +1,99 @@
+// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
+// See the LICENCE file in the repository root for full licence text.
+
+using osu.Framework.Allocation;
+using osu.Framework.Bindables;
+using osu.Framework.Graphics;
+using osu.Framework.Graphics.Containers;
+using osu.Framework.Graphics.Effects;
+using osu.Framework.Graphics.Shapes;
+using osu.Framework.Utils;
+using osu.Game.Rulesets.Judgements;
+using osu.Game.Rulesets.Mania.UI;
+using osu.Game.Rulesets.UI.Scrolling;
+using osuTK.Graphics;
+
+namespace osu.Game.Rulesets.Mania.Skinning.Argon
+{
+    public class ArgonHitExplosion : CompositeDrawable, IHitExplosion
+    {
+        private const float default_large_faint_size = 0.8f;
+
+        public override bool RemoveWhenNotAlive => true;
+
+        [Resolved]
+        private Column column { get; set; } = null!;
+
+        private readonly IBindable<ScrollingDirection> direction = new Bindable<ScrollingDirection>();
+
+        private Container largeFaint = null!;
+
+        private Bindable<Color4> accentColour = null!;
+
+        public ArgonHitExplosion()
+        {
+            Origin = Anchor.Centre;
+
+            RelativeSizeAxes = Axes.X;
+            Height = ArgonNotePiece.NOTE_HEIGHT;
+        }
+
+        [BackgroundDependencyLoader]
+        private void load(IScrollingInfo scrollingInfo)
+        {
+            InternalChildren = new Drawable[]
+            {
+                largeFaint = new Container
+                {
+                    Anchor = Anchor.Centre,
+                    Origin = Anchor.Centre,
+                    RelativeSizeAxes = Axes.Both,
+                    Masking = true,
+                    CornerRadius = ArgonNotePiece.CORNER_RADIUS,
+                    Blending = BlendingParameters.Additive,
+                    Child = new Box
+                    {
+                        Colour = Color4.White,
+                        RelativeSizeAxes = Axes.Both,
+                    },
+                },
+            };
+
+            direction.BindTo(scrollingInfo.Direction);
+            direction.BindValueChanged(onDirectionChanged, true);
+
+            accentColour = column.AccentColour.GetBoundCopy();
+            accentColour.BindValueChanged(colour =>
+            {
+                largeFaint.Colour = Interpolation.ValueAt(0.8f, colour.NewValue, Color4.White, 0, 1);
+
+                largeFaint.EdgeEffect = new EdgeEffectParameters
+                {
+                    Type = EdgeEffectType.Glow,
+                    Colour = colour.NewValue,
+                    Roundness = 40,
+                    Radius = 60,
+                };
+            }, true);
+        }
+
+        private void onDirectionChanged(ValueChangedEvent<ScrollingDirection> direction)
+        {
+            if (direction.NewValue == ScrollingDirection.Up)
+            {
+                Anchor = Anchor.TopCentre;
+                Y = ArgonNotePiece.NOTE_HEIGHT / 2;
+            }
+            else
+            {
+                Anchor = Anchor.BottomCentre;
+                Y = -ArgonNotePiece.NOTE_HEIGHT / 2;
+            }
+        }
+
+        public void Animate(JudgementResult result)
+        {
+            this.FadeOutFromOne(PoolableHitExplosion.DURATION, Easing.Out);
+        }
+    }
+}

osu.Game.Rulesets.Mania/Skinning/Argon/ManiaArgonSkinTransformer.cs

@@ -49,6 +49,9 @@ namespace osu.Game.Rulesets.Mania.Skinning.Argon
 
                         case ManiaSkinComponents.KeyArea:
                             return new ArgonKeyArea();
+
+                        case ManiaSkinComponents.HitExplosion:
+                            return new ArgonHitExplosion();
                     }
 
                     break;