// Copyright (c) ppy Pty Ltd . Licensed under the MIT Licence. // See the LICENCE file in the repository root for full licence text. using System; using osu.Framework.Graphics; using osu.Framework.Graphics.Sprites; using osu.Framework.Localisation; using osu.Framework.Utils; using osu.Game.Graphics; using osu.Game.Rulesets.Mods; using osu.Game.Rulesets.Objects.Drawables; using osu.Game.Rulesets.Osu.Objects.Drawables; namespace osu.Game.Rulesets.Osu.Mods { public class OsuModSpunOut : Mod, IApplicableToDrawableHitObject { public override string Name => "Spun Out"; public override string Acronym => "SO"; public override IconUsage? Icon => OsuIcon.ModSpunOut; public override ModType Type => ModType.Automation; public override LocalisableString Description => @"Spinners will be automatically completed."; public override double ScoreMultiplier => 0.9; public override Type[] IncompatibleMods => new[] { typeof(ModAutoplay), typeof(OsuModAutopilot), typeof(OsuModTarget) }; public void ApplyToDrawableHitObject(DrawableHitObject hitObject) { if (hitObject is DrawableSpinner spinner) { spinner.HandleUserInput = false; spinner.OnUpdate += onSpinnerUpdate; } } private void onSpinnerUpdate(Drawable drawable) { var spinner = (DrawableSpinner)drawable; spinner.RotationTracker.Tracking = true; // early-return if we were paused to avoid division-by-zero in the subsequent calculations. if (Precision.AlmostEquals(spinner.Clock.Rate, 0)) return; // because the spinner is under the gameplay clock, it is affected by rate adjustments on the track; // for that reason using ElapsedFrameTime directly leads to fewer SPM with Half Time and more SPM with Double Time. // for spinners we want the real (wall clock) elapsed time; to achieve that, unapply the clock rate locally here. double rateIndependentElapsedTime = spinner.Clock.ElapsedFrameTime / spinner.Clock.Rate; // multiply the SPM by 1.01 to ensure that the spinner is completed. if the calculation is left exact, // some spinners may not complete due to very minor decimal loss during calculation float rotationSpeed = (float)(1.01 * spinner.HitObject.SpinsRequired / spinner.HitObject.Duration); spinner.RotationTracker.AddRotation(MathUtils.RadiansToDegrees((float)rateIndependentElapsedTime * rotationSpeed * MathF.PI * 2.0f)); } } }