mirror of https://github.com/ppy/osu
49 lines
1.7 KiB
C#
49 lines
1.7 KiB
C#
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// 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.Collections.Generic;
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using osu.Game.Beatmaps;
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using osu.Game.Rulesets.Edit;
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using osu.Game.Rulesets.Edit.Checks.Components;
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using osu.Game.Rulesets.Osu.Objects;
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namespace osu.Game.Rulesets.Osu.Edit.Checks
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{
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public class CheckTooShortSliders : ICheck
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{
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/// <summary>
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/// The shortest acceptable duration between the head and tail of the slider (so ignoring repeats).
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/// </summary>
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private const double span_duration_threshold = 125; // 240 BPM 1/2
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public CheckMetadata Metadata { get; } = new CheckMetadata(CheckCategory.Spread, "Too short sliders");
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public IEnumerable<IssueTemplate> PossibleTemplates => new IssueTemplate[]
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{
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new IssueTemplateTooShort(this)
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};
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public IEnumerable<Issue> Run(BeatmapVerifierContext context)
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{
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if (context.InterpretedDifficulty > DifficultyRating.Easy)
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yield break;
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foreach (var hitObject in context.Beatmap.HitObjects)
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{
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if (hitObject is Slider slider && slider.SpanDuration < span_duration_threshold)
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yield return new IssueTemplateTooShort(this).Create(slider);
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}
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}
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public class IssueTemplateTooShort : IssueTemplate
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{
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public IssueTemplateTooShort(ICheck check)
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: base(check, IssueType.Problem, "This slider is too short ({0:0} ms), expected at least {1:0} ms.")
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{
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}
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public Issue Create(Slider slider) => new Issue(slider, this, slider.SpanDuration, span_duration_threshold);
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}
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}
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}
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