mirror of https://github.com/ppy/osu
84 lines
3.3 KiB
C#
84 lines
3.3 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using osu.Framework.Bindables;
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using osu.Framework.Graphics.Sprites;
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using osu.Framework.Utils;
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using osu.Game.Configuration;
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using osu.Game.Rulesets.Mods;
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using osu.Game.Rulesets.Objects.Drawables;
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using osu.Game.Rulesets.Osu.Objects;
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using osu.Game.Rulesets.Osu.Objects.Drawables;
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using osu.Game.Rulesets.Osu.UI;
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using osu.Game.Rulesets.UI;
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using osuTK;
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namespace osu.Game.Rulesets.Osu.Mods
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{
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internal class OsuModMagnetised : Mod, IUpdatableByPlayfield, IApplicableToDrawableRuleset<OsuHitObject>
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{
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public override string Name => "Magnetised";
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public override string Acronym => "MG";
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public override IconUsage? Icon => FontAwesome.Solid.Magnet;
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public override ModType Type => ModType.Fun;
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public override string Description => "No need to chase the circles – your cursor is a magnet!";
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public override double ScoreMultiplier => 1;
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public override Type[] IncompatibleMods => new[] { typeof(OsuModAutopilot), typeof(OsuModWiggle), typeof(OsuModTransform), typeof(ModAutoplay), typeof(OsuModRelax) };
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private IFrameStableClock gameplayClock;
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[SettingSource("Attraction strength", "How strong the pull is.", 0)]
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public BindableFloat AttractionStrength { get; } = new BindableFloat(0.5f)
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{
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Precision = 0.05f,
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MinValue = 0.05f,
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MaxValue = 1.0f,
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};
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public void ApplyToDrawableRuleset(DrawableRuleset<OsuHitObject> drawableRuleset)
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{
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gameplayClock = drawableRuleset.FrameStableClock;
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// Hide judgment displays and follow points as they won't make any sense.
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// Judgements can potentially be turned on in a future where they display at a position relative to their drawable counterpart.
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drawableRuleset.Playfield.DisplayJudgements.Value = false;
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(drawableRuleset.Playfield as OsuPlayfield)?.FollowPoints.Hide();
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}
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public void Update(Playfield playfield)
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{
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var cursorPos = playfield.Cursor.ActiveCursor.DrawPosition;
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foreach (var drawable in playfield.HitObjectContainer.AliveObjects)
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{
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switch (drawable)
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{
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case DrawableHitCircle circle:
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easeTo(circle, cursorPos);
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break;
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case DrawableSlider slider:
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if (!slider.HeadCircle.Result.HasResult)
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easeTo(slider, cursorPos);
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else
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easeTo(slider, cursorPos - slider.Ball.DrawPosition);
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break;
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}
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}
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}
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private void easeTo(DrawableHitObject hitObject, Vector2 destination)
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{
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double dampLength = Interpolation.Lerp(3000, 40, AttractionStrength.Value);
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float x = (float)Interpolation.DampContinuously(hitObject.X, destination.X, dampLength, gameplayClock.ElapsedFrameTime);
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float y = (float)Interpolation.DampContinuously(hitObject.Y, destination.Y, dampLength, gameplayClock.ElapsedFrameTime);
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hitObject.Position = new Vector2(x, y);
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}
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}
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}
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