osu-lazer/osu.Game/Screens/Play/HUD/ArgonComboCounter.cs

// 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 System;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Localisation;
using osu.Game.Configuration;
using osu.Game.Rulesets.Scoring;
using osuTK;
using osuTK.Graphics;

namespace osu.Game.Screens.Play.HUD
{
    public partial class ArgonComboCounter : ComboCounter
    {
        private ArgonCounterTextComponent text = null!;

        protected override double RollingDuration => 500;
        protected override Easing RollingEasing => Easing.OutQuint;

        [SettingSource("Wireframe opacity", "Controls the opacity of the wire frames behind the digits.")]
        public BindableFloat WireframeOpacity { get; } = new BindableFloat(0.25f)
        {
            Precision = 0.01f,
            MinValue = 0,
            MaxValue = 1,
        };

        [BackgroundDependencyLoader]
        private void load(ScoreProcessor scoreProcessor)
        {
            Current.BindTo(scoreProcessor.Combo);
            Current.BindValueChanged(combo =>
            {
                bool wasIncrease = combo.NewValue > combo.OldValue;
                bool wasMiss = combo.OldValue > 1 && combo.NewValue == 0;

                float newScale = Math.Clamp(text.NumberContainer.Scale.X * (wasIncrease ? 1.1f : 0.8f), 0.6f, 1.4f);

                float duration = wasMiss ? 2000 : 500;

                text.NumberContainer
                    .ScaleTo(new Vector2(newScale))
                    .ScaleTo(Vector2.One, duration, Easing.OutQuint);

                if (wasMiss)
                    text.FlashColour(Color4.Red, duration, Easing.OutQuint);
            });
        }

        protected override LocalisableString FormatCount(int count) => $@"{count}x";

        protected override IHasText CreateText() => text = new ArgonCounterTextComponent(Anchor.TopLeft, "COMBO")
        {
            WireframeOpacity = { BindTarget = WireframeOpacity },
        };
    }
}