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Code Issues Releases Wiki Activity

Refactor pattern generation to not require ManiaBeatmap

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Dan Balasescu 2024-03-28 22:32:27 +09:00
parent 5febd40bd9
commit 64399e9dd9
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6 changed files with 41 additions and 33 deletions
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30
osu.Game.Rulesets.Mania/Beatmaps/ManiaBeatmapConverter.cs
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@ -27,8 +27,24 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
/// </summary>
private const int max_notes_for_density = 7;
/// <summary>
/// The total number of columns.
/// </summary>
public int TotalColumns => TargetColumns * (Dual ? 2 : 1);
/// <summary>
/// The number of columns per-stage.
/// </summary>
public int TargetColumns;
/// <summary>
/// Whether to double the number of stages.
/// </summary>
public bool Dual;
/// <summary>
/// Whether the beatmap instantiated with is for the mania ruleset.
/// </summary>
public readonly bool IsForCurrentRuleset;
private readonly int originalTargetColumns;
@ -152,7 +168,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
/// <returns>The hit objects generated.</returns>
private IEnumerable<ManiaHitObject> generateSpecific(HitObject original, IBeatmap originalBeatmap)
{
var generator = new SpecificBeatmapPatternGenerator(Random, original, beatmap, lastPattern, originalBeatmap);
var generator = new SpecificBeatmapPatternGenerator(Random, original, originalBeatmap, TotalColumns, lastPattern);
foreach (var newPattern in generator.Generate())
{
@ -171,13 +187,13 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
/// <returns>The hit objects generated.</returns>
private IEnumerable<ManiaHitObject> generateConverted(HitObject original, IBeatmap originalBeatmap)
{
Patterns.PatternGenerator conversion = null;
Patterns.PatternGenerator? conversion = null;
switch (original)
{
case IHasPath:
{
var generator = new PathObjectPatternGenerator(Random, original, beatmap, lastPattern, originalBeatmap);
var generator = new PathObjectPatternGenerator(Random, original, originalBeatmap, TotalColumns, lastPattern);
conversion = generator;
var positionData = original as IHasPosition;
@ -195,7 +211,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
case IHasDuration endTimeData:
{
conversion = new EndTimeObjectPatternGenerator(Random, original, beatmap, lastPattern, originalBeatmap);
conversion = new EndTimeObjectPatternGenerator(Random, original, originalBeatmap, TotalColumns, lastPattern);
recordNote(endTimeData.EndTime, new Vector2(256, 192));
computeDensity(endTimeData.EndTime);
@ -206,7 +222,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
{
computeDensity(original.StartTime);
conversion = new HitObjectPatternGenerator(Random, original, beatmap, lastPattern, lastTime, lastPosition, density, lastStair, originalBeatmap);
conversion = new HitObjectPatternGenerator(Random, original, originalBeatmap, TotalColumns, lastPattern, lastTime, lastPosition, density, lastStair);
recordNote(original.StartTime, positionData.Position);
break;
@ -231,8 +247,8 @@ namespace osu.Game.Rulesets.Mania.Beatmaps
/// </summary>
private class SpecificBeatmapPatternGenerator : Patterns.Legacy.PatternGenerator
{
public SpecificBeatmapPatternGenerator(LegacyRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, IBeatmap originalBeatmap)
: base(random, hitObject, beatmap, previousPattern, originalBeatmap)
public SpecificBeatmapPatternGenerator(LegacyRandom random, HitObject hitObject, IBeatmap beatmap, int totalColumns, Pattern previousPattern)
: base(random, hitObject, beatmap, previousPattern, totalColumns)
{
}

4
osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/EndTimeObjectPatternGenerator.cs
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@ -17,8 +17,8 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
private readonly int endTime;
private readonly PatternType convertType;
public EndTimeObjectPatternGenerator(LegacyRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, IBeatmap originalBeatmap)
: base(random, hitObject, beatmap, previousPattern, originalBeatmap)
public EndTimeObjectPatternGenerator(LegacyRandom random, HitObject hitObject, IBeatmap beatmap, int totalColumns, Pattern previousPattern)
: base(random, hitObject, beatmap, previousPattern, totalColumns)
{
endTime = (int)((HitObject as IHasDuration)?.EndTime ?? 0);

6
osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/HitObjectPatternGenerator.cs
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@ -23,9 +23,9 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
private readonly PatternType convertType;
public HitObjectPatternGenerator(LegacyRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, double previousTime, Vector2 previousPosition, double density,
PatternType lastStair, IBeatmap originalBeatmap)
: base(random, hitObject, beatmap, previousPattern, originalBeatmap)
public HitObjectPatternGenerator(LegacyRandom random, HitObject hitObject, IBeatmap beatmap, int totalColumns, Pattern previousPattern, double previousTime, Vector2 previousPosition,
double density, PatternType lastStair)
: base(random, hitObject, beatmap, previousPattern, totalColumns)
{
StairType = lastStair;

4
osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/PathObjectPatternGenerator.cs
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@ -31,8 +31,8 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
private PatternType convertType;
public PathObjectPatternGenerator(LegacyRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, IBeatmap originalBeatmap)
: base(random, hitObject, beatmap, previousPattern, originalBeatmap)
public PathObjectPatternGenerator(LegacyRandom random, HitObject hitObject, IBeatmap beatmap, int totalColumns, Pattern previousPattern)
: base(random, hitObject, beatmap, previousPattern, totalColumns)
{
convertType = PatternType.None;
if (!Beatmap.ControlPointInfo.EffectPointAt(hitObject.StartTime).KiaiMode)

22
osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/PatternGenerator.cs
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@ -27,20 +27,12 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
/// </summary>
protected readonly LegacyRandom Random;
/// <summary>
/// The beatmap which <see cref="HitObject"/> is being converted from.
/// </summary>
protected readonly IBeatmap OriginalBeatmap;
protected PatternGenerator(LegacyRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, IBeatmap originalBeatmap)
: base(hitObject, beatmap, previousPattern)
protected PatternGenerator(LegacyRandom random, HitObject hitObject, IBeatmap beatmap, Pattern previousPattern, int totalColumns)
: base(hitObject, beatmap, totalColumns, previousPattern)
{
ArgumentNullException.ThrowIfNull(random);
ArgumentNullException.ThrowIfNull(originalBeatmap);
Random = random;
OriginalBeatmap = originalBeatmap;
RandomStart = TotalColumns == 8 ? 1 : 0;
}
@ -104,17 +96,17 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
if (conversionDifficulty != null)
return conversionDifficulty.Value;
HitObject lastObject = OriginalBeatmap.HitObjects.LastOrDefault();
HitObject firstObject = OriginalBeatmap.HitObjects.FirstOrDefault();
HitObject lastObject = Beatmap.HitObjects.LastOrDefault();
HitObject firstObject = Beatmap.HitObjects.FirstOrDefault();
// Drain time in seconds
int drainTime = (int)(((lastObject?.StartTime ?? 0) - (firstObject?.StartTime ?? 0) - OriginalBeatmap.TotalBreakTime) / 1000);
int drainTime = (int)(((lastObject?.StartTime ?? 0) - (firstObject?.StartTime ?? 0) - Beatmap.TotalBreakTime) / 1000);
if (drainTime == 0)
drainTime = 10000;
IBeatmapDifficultyInfo difficulty = OriginalBeatmap.Difficulty;
conversionDifficulty = ((difficulty.DrainRate + Math.Clamp(difficulty.ApproachRate, 4, 7)) / 1.5 + (double)OriginalBeatmap.HitObjects.Count / drainTime * 9f) / 38f * 5f / 1.15;
IBeatmapDifficultyInfo difficulty = Beatmap.Difficulty;
conversionDifficulty = ((difficulty.DrainRate + Math.Clamp(difficulty.ApproachRate, 4, 7)) / 1.5 + (double)Beatmap.HitObjects.Count / drainTime * 9f) / 38f * 5f / 1.15;
conversionDifficulty = Math.Min(conversionDifficulty.Value, 12);
return conversionDifficulty.Value;

8
osu.Game.Rulesets.Mania/Beatmaps/Patterns/PatternGenerator.cs
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@ -3,6 +3,7 @@
using System;
using System.Collections.Generic;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Objects;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns
@ -25,11 +26,11 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns
/// <summary>
/// The beatmap which <see cref="HitObject"/> is a part of.
/// </summary>
protected readonly ManiaBeatmap Beatmap;
protected readonly IBeatmap Beatmap;
protected readonly int TotalColumns;
protected PatternGenerator(HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern)
protected PatternGenerator(HitObject hitObject, IBeatmap beatmap, int totalColumns, Pattern previousPattern)
{
ArgumentNullException.ThrowIfNull(hitObject);
ArgumentNullException.ThrowIfNull(beatmap);
@ -38,8 +39,7 @@ namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns
HitObject = hitObject;
Beatmap = beatmap;
PreviousPattern = previousPattern;
TotalColumns = Beatmap.TotalColumns;
TotalColumns = totalColumns;
}
/// <summary>