mirror of https://github.com/ppy/osu
99 lines
3.4 KiB
C#
99 lines
3.4 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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#nullable disable
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using osu.Game.Audio;
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using osu.Game.Beatmaps;
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using osu.Game.Beatmaps.ControlPoints;
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using osu.Game.Rulesets.Judgements;
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using osu.Game.Rulesets.Objects.Types;
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using osu.Game.Rulesets.Osu.Judgements;
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using osu.Game.Rulesets.Scoring;
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using osuTK;
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namespace osu.Game.Rulesets.Osu.Objects
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{
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public class Spinner : OsuHitObject, IHasDuration
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{
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public double EndTime
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{
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get => StartTime + Duration;
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set => Duration = value - StartTime;
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}
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public double Duration { get; set; }
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/// <summary>
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/// Number of spins required to finish the spinner without miss.
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/// </summary>
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public int SpinsRequired { get; protected set; } = 1;
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/// <summary>
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/// Number of spins available to give bonus, beyond <see cref="SpinsRequired"/>.
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/// </summary>
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public int MaximumBonusSpins { get; protected set; } = 1;
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public override Vector2 StackOffset => Vector2.Zero;
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protected override void ApplyDefaultsToSelf(ControlPointInfo controlPointInfo, IBeatmapDifficultyInfo difficulty)
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{
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base.ApplyDefaultsToSelf(controlPointInfo, difficulty);
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// spinning doesn't match 1:1 with stable, so let's fudge them easier for the time being.
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const double stable_matching_fudge = 0.6;
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// close to 477rpm
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const double maximum_rotations_per_second = 8;
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double secondsDuration = Duration / 1000;
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double minimumRotationsPerSecond = stable_matching_fudge * IBeatmapDifficultyInfo.DifficultyRange(difficulty.OverallDifficulty, 3, 5, 7.5);
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SpinsRequired = (int)(secondsDuration * minimumRotationsPerSecond);
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MaximumBonusSpins = (int)((maximum_rotations_per_second - minimumRotationsPerSecond) * secondsDuration);
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}
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protected override void CreateNestedHitObjects(CancellationToken cancellationToken)
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{
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base.CreateNestedHitObjects(cancellationToken);
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int totalSpins = MaximumBonusSpins + SpinsRequired;
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for (int i = 0; i < totalSpins; i++)
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{
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cancellationToken.ThrowIfCancellationRequested();
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double startTime = StartTime + (float)(i + 1) / totalSpins * Duration;
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AddNested(i < SpinsRequired
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? new SpinnerTick { StartTime = startTime, SpinnerDuration = Duration }
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: new SpinnerBonusTick { StartTime = startTime, SpinnerDuration = Duration, Samples = new[] { CreateHitSampleInfo("spinnerbonus") } });
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}
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}
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public override Judgement CreateJudgement() => new OsuJudgement();
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protected override HitWindows CreateHitWindows() => HitWindows.Empty;
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public override IList<HitSampleInfo> AuxiliarySamples => CreateSpinningSamples();
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public HitSampleInfo[] CreateSpinningSamples()
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{
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var referenceSample = Samples.FirstOrDefault();
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if (referenceSample == null)
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return Array.Empty<HitSampleInfo>();
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return new[]
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{
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referenceSample.With("spinnerspin")
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};
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}
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}
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}
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