osu/osu.Game.Rulesets.Mania/Mods/ManiaModHidden.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 System.Collections.Generic;
using System.Linq;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Rulesets.Mania.Objects;
using osu.Game.Rulesets.Mania.UI;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.UI;

namespace osu.Game.Rulesets.Mania.Mods
{
    public class ManiaModHidden : ModHidden, IApplicableToDrawableRuleset<ManiaHitObject>
    {
        public override string Description => @"Keys fade out before you hit them!";
        public override double ScoreMultiplier => 1;
        public override Type[] IncompatibleMods => new[] { typeof(ModFlashlight<ManiaHitObject>) };
        protected List<PlayfieldCover> PlayfieldCovers = new List<PlayfieldCover>();

        public virtual void ApplyToDrawableRuleset(DrawableRuleset<ManiaHitObject> drawableRuleset)
        {
            ManiaPlayfield maniaPlayfield = (ManiaPlayfield)drawableRuleset.Playfield;

            foreach (Column column in maniaPlayfield.Stages.SelectMany(stage => stage.Columns))
            {
                HitObjectContainer hoc = column.HitObjectArea.HitObjectContainer;
                Container hocParent = (Container)hoc.Parent;

                PlayfieldCover laneCover;

                hocParent.Remove(hoc);
                hocParent.Add(new BufferedContainer
                {
                    RelativeSizeAxes = Axes.Both,
                    Children = new Drawable[]
                    {
                        hoc,
                        laneCover = new PlayfieldCover
                        {
                            Coverage = 0.5f,
                            RelativeSizeAxes = Axes.Both,
                            Origin = Anchor.Centre,
                            Anchor = Anchor.Centre
                        }
                    }
                });

                PlayfieldCovers.Add(laneCover);
            }
        }
    }
}