osu-lazer/osu.Game.Rulesets.Osu/Mods/OsuModHardRock.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.Linq;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Rulesets.Osu.UI;
using osuTK;

namespace osu.Game.Rulesets.Osu.Mods
{
    public class OsuModHardRock : ModHardRock, IApplicableToHitObject
    {
        public override double ScoreMultiplier => 1.06;
        public override bool Ranked => true;

        public void ApplyToHitObject(HitObject hitObject)
        {
            var osuObject = (OsuHitObject)hitObject;

            osuObject.Position = new Vector2(osuObject.Position.X, OsuPlayfield.BASE_SIZE.Y - osuObject.Y);

            if (hitObject is Slider slider)
            {
                slider.NestedHitObjects.OfType<SliderTick>().ForEach(h => h.Position = new Vector2(h.Position.X, OsuPlayfield.BASE_SIZE.Y - h.Position.Y));
                slider.NestedHitObjects.OfType<RepeatPoint>().ForEach(h => h.Position = new Vector2(h.Position.X, OsuPlayfield.BASE_SIZE.Y - h.Position.Y));

                var newControlPoints = new Vector2[slider.Path.ControlPoints.Length];
                for (int i = 0; i < slider.Path.ControlPoints.Length; i++)
                    newControlPoints[i] = new Vector2(slider.Path.ControlPoints[i].X, -slider.Path.ControlPoints[i].Y);

                slider.Path = new SliderPath(slider.Path.Type, newControlPoints, slider.Path.ExpectedDistance);
            }
        }
    }
}