diff --git a/osu.Game.Tests/Editing/Checks/CheckBreaksTest.cs b/osu.Game.Tests/Editing/Checks/CheckBreaksTest.cs new file mode 100644 index 0000000000..664f72c5f8 --- /dev/null +++ b/osu.Game.Tests/Editing/Checks/CheckBreaksTest.cs @@ -0,0 +1,10 @@ +// Copyright (c) ppy Pty Ltd . Licensed under the MIT Licence. +// See the LICENCE file in the repository root for full licence text. + +namespace osu.Game.Tests.Editing.Checks +{ + public class CheckBreaksTest + { + + } +} diff --git a/osu.Game/Rulesets/Edit/BeatmapVerifier.cs b/osu.Game/Rulesets/Edit/BeatmapVerifier.cs index 3988f29e13..4bcf74db45 100644 --- a/osu.Game/Rulesets/Edit/BeatmapVerifier.cs +++ b/osu.Game/Rulesets/Edit/BeatmapVerifier.cs @@ -38,6 +38,9 @@ namespace osu.Game.Rulesets.Edit // Timing new CheckPreviewTime(), + + // Events + new CheckBreaks() }; public IEnumerable Run(BeatmapVerifierContext context) diff --git a/osu.Game/Rulesets/Edit/Checks/CheckBreaks.cs b/osu.Game/Rulesets/Edit/Checks/CheckBreaks.cs new file mode 100644 index 0000000000..12dc5554f4 --- /dev/null +++ b/osu.Game/Rulesets/Edit/Checks/CheckBreaks.cs @@ -0,0 +1,84 @@ +// Copyright (c) ppy Pty Ltd . Licensed under the MIT Licence. +// See the LICENCE file in the repository root for full licence text. + +using System.Collections.Generic; +using osu.Game.Beatmaps.Timing; +using osu.Game.Rulesets.Edit.Checks.Components; +using osu.Game.Rulesets.Objects; + +namespace osu.Game.Rulesets.Edit.Checks +{ + public class CheckBreaks : ICheck + { + // Breaks may be off by 1 ms. + private const int leniency_threshold = 1; + private const double min_start_threshold = 200; + + // Break end time depends on the upcoming object's pre-empt time. + // As things stand, "pre-empt time" is only defined for osu! standard + // This is a generic value representing AR=10 + // Relevant: https://github.com/ppy/osu/issues/14330#issuecomment-1002158551 + private const double min_end_threshold = 450; + public CheckMetadata Metadata => new CheckMetadata(CheckCategory.Events, "Breaks not achievable using the editor"); + + public IEnumerable PossibleTemplates => new IssueTemplate[] + { + new IssueTemplateEarlyStart(this), + new IssueTemplateLateEnd(this), + new IssueTemplateTooShort(this) + }; + + public IEnumerable Run(BeatmapVerifierContext context) + { + foreach (var breakPeriod in context.Beatmap.Breaks) + { + if (breakPeriod.Duration < BreakPeriod.MIN_BREAK_DURATION) + yield return new IssueTemplateTooShort(this).Create(breakPeriod.StartTime); + } + + foreach (var hitObject in context.Beatmap.HitObjects) + { + foreach (var breakPeriod in context.Beatmap.Breaks) + { + double diffStart = breakPeriod.StartTime - hitObject.GetEndTime(); + double diffEnd = hitObject.StartTime - breakPeriod.EndTime; + + if (diffStart < min_start_threshold - leniency_threshold && diffStart > 0) + yield return new IssueTemplateEarlyStart(this).Create(breakPeriod.StartTime, min_start_threshold - diffStart); + else if (diffEnd < min_end_threshold - leniency_threshold && diffEnd > 0) + yield return new IssueTemplateLateEnd(this).Create(breakPeriod.StartTime, min_end_threshold - diffEnd); + } + } + } + + public class IssueTemplateEarlyStart : IssueTemplate + { + public IssueTemplateEarlyStart(ICheck check) + : base(check, IssueType.Problem, "Break starts {0} ms early.") + { + } + + public Issue Create(double startTime, double diff) => new Issue(startTime, this, (int)diff); + } + + public class IssueTemplateLateEnd : IssueTemplate + { + public IssueTemplateLateEnd(ICheck check) + : base(check, IssueType.Problem, "Break ends {0} ms late.") + { + } + + public Issue Create(double startTime, double diff) => new Issue(startTime, this, (int)diff); + } + + public class IssueTemplateTooShort : IssueTemplate + { + public IssueTemplateTooShort(ICheck check) + : base(check, IssueType.Warning, "Break is non-functional due to being less than 650ms.") + { + } + + public Issue Create(double startTime) => new Issue(startTime, this); + } + } +}