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Code Issues Releases Wiki Activity

Add LegacyBeatmapConversionDifficultyInfo abstraction

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This commit is contained in:
Dan Balasescu 2023-10-02 15:53:05 +09:00
parent 09c9baadec
commit b4b7a7ea5e
3 changed files with 96 additions and 26 deletions
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53
osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmapConverter.cs
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@ -14,6 +14,7 @@ using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using osu.Game.Rulesets.Mania.Beatmaps.Patterns;
using osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy;
using osu.Game.Rulesets.Scoring.Legacy;
using osu.Game.Utils;
using osuTK;
@ -43,39 +44,41 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
: base(beatmap, ruleset)
{
IsForCurrentRuleset = beatmap.BeatmapInfo.Ruleset.Equals(ruleset.RulesetInfo);
TargetColumns = GetColumnCount(LegacyBeatmapConversionDifficultyInfo.FromBeatmap(beatmap));
double roundedCircleSize = Math.Round(beatmap.Difficulty.CircleSize);
double roundedOverallDifficulty = Math.Round(beatmap.Difficulty.OverallDifficulty);
if (IsForCurrentRuleset)
if (IsForCurrentRuleset && TargetColumns > ManiaRuleset.MAX_STAGE_KEYS)
{
TargetColumns = GetColumnCountForNonConvert(beatmap.BeatmapInfo);
if (TargetColumns > ManiaRuleset.MAX_STAGE_KEYS)
{
TargetColumns /= 2;
Dual = true;
}
}
else
{
float percentSliderOrSpinner = (float)beatmap.HitObjects.Count(h => h is IHasDuration) / beatmap.HitObjects.Count;
if (percentSliderOrSpinner < 0.2)
TargetColumns = 7;
else if (percentSliderOrSpinner < 0.3 || roundedCircleSize >= 5)
TargetColumns = roundedOverallDifficulty > 5 ? 7 : 6;
else if (percentSliderOrSpinner > 0.6)
TargetColumns = roundedOverallDifficulty > 4 ? 5 : 4;
else
TargetColumns = Math.Max(4, Math.Min((int)roundedOverallDifficulty + 1, 7));
TargetColumns /= 2;
Dual = true;
}
originalTargetColumns = TargetColumns;
}
public static int GetColumnCountForNonConvert(BeatmapInfo beatmapInfo)
public static int GetColumnCount(LegacyBeatmapConversionDifficultyInfo difficulty)
{
double roundedCircleSize = Math.Round(beatmapInfo.Difficulty.CircleSize);
if (new ManiaRuleset().RulesetInfo.Equals(difficulty.SourceRuleset))
return GetColumnCountForNonConvert(difficulty);
double roundedCircleSize = Math.Round(difficulty.CircleSize);
double roundedOverallDifficulty = Math.Round(difficulty.OverallDifficulty);
int countSliderOrSpinner = difficulty.TotalObjectCount - difficulty.CircleCount;
float percentSpecialObjects = (float)countSliderOrSpinner / difficulty.TotalObjectCount;
if (percentSpecialObjects < 0.2)
return 7;
if (percentSpecialObjects < 0.3 || roundedCircleSize >= 5)
return roundedOverallDifficulty > 5 ? 7 : 6;
if (percentSpecialObjects > 0.6)
return roundedOverallDifficulty > 4 ? 5 : 4;
return Math.Max(4, Math.Min((int)roundedOverallDifficulty + 1, 7));
}
public static int GetColumnCountForNonConvert(IBeatmapDifficultyInfo difficulty)
{
double roundedCircleSize = Math.Round(difficulty.CircleSize);
return (int)Math.Max(1, roundedCircleSize);
}

2
osu.Game.Rulesets.Mania/ManiaFilterCriteria.cs
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@ -15,7 +15,7 @@ namespace osu.Game.Rulesets.Mania
public bool Matches(BeatmapInfo beatmapInfo)
{
return !keys.HasFilter || (beatmapInfo.Ruleset.OnlineID == new ManiaRuleset().LegacyID && keys.IsInRange(ManiaBeatmapConverter.GetColumnCountForNonConvert(beatmapInfo)));
return !keys.HasFilter || (beatmapInfo.Ruleset.OnlineID == new ManiaRuleset().LegacyID && keys.IsInRange(ManiaBeatmapConverter.GetColumnCountForNonConvert(beatmapInfo.Difficulty)));
}
public bool TryParseCustomKeywordCriteria(string key, Operator op, string value)

67
osu.Game/Rulesets/Scoring/Legacy/LegacyBeatmapConversionDifficultyInfo.cs Normal file
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@ -0,0 +1,67 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System.Linq;
using osu.Game.Beatmaps;
using osu.Game.Online.API.Requests.Responses;
using osu.Game.Rulesets.Objects.Types;
namespace osu.Game.Rulesets.Scoring.Legacy
{
/// <summary>
/// A set of properties that are required to facilitate beatmap conversion between legacy rulesets.
/// </summary>
public class LegacyBeatmapConversionDifficultyInfo : IBeatmapDifficultyInfo
{
/// <summary>
/// The beatmap's ruleset.
/// </summary>
public IRulesetInfo SourceRuleset { get; set; } = new RulesetInfo();
/// <summary>
/// The beatmap circle size.
/// </summary>
public float CircleSize { get; set; }
/// <summary>
/// The beatmap overall difficulty.
/// </summary>
public float OverallDifficulty { get; set; }
/// <summary>
/// The count of hitcircles in the beatmap.
/// </summary>
/// <remarks>
/// When converting from osu! ruleset beatmaps, this is equivalent to the sum of sliders and spinners in the beatmap.
/// </remarks>
public int CircleCount { get; set; }
/// <summary>
/// The total count of hitobjects in the beatmap.
/// </summary>
public int TotalObjectCount { get; set; }
float IBeatmapDifficultyInfo.DrainRate => 0;
float IBeatmapDifficultyInfo.ApproachRate => 0;
double IBeatmapDifficultyInfo.SliderMultiplier => 0;
double IBeatmapDifficultyInfo.SliderTickRate => 0;
public static LegacyBeatmapConversionDifficultyInfo FromAPIBeatmap(APIBeatmap apiBeatmap) => new LegacyBeatmapConversionDifficultyInfo
{
SourceRuleset = apiBeatmap.Ruleset,
CircleSize = apiBeatmap.CircleSize,
OverallDifficulty = apiBeatmap.OverallDifficulty,
CircleCount = apiBeatmap.CircleCount,
TotalObjectCount = apiBeatmap.SliderCount + apiBeatmap.SpinnerCount + apiBeatmap.CircleCount
};
public static LegacyBeatmapConversionDifficultyInfo FromBeatmap(IBeatmap beatmap) => new LegacyBeatmapConversionDifficultyInfo
{
SourceRuleset = beatmap.BeatmapInfo.Ruleset,
CircleSize = beatmap.Difficulty.CircleSize,
OverallDifficulty = beatmap.Difficulty.OverallDifficulty,
CircleCount = beatmap.HitObjects.Count(h => h is not IHasDuration),
TotalObjectCount = beatmap.HitObjects.Count
};
}
}