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Normalize all the line endings

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Dean Herbert
2018-04-13 18:19:50 +09:00
parent f99503b60c
commit 32a74f95a5
1069 changed files with 95293 additions and 95293 deletions
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osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/DistanceObjectPatternGenerator.cs
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@ -1,491 +1,491 @@
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Game.Audio;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Mania.MathUtils;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using osu.Game.Rulesets.Mania.Objects;
using osu.Game.Beatmaps.ControlPoints;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
{
/// <summary>
/// A pattern generator for IHasDistance hit objects.
/// </summary>
internal class DistanceObjectPatternGenerator : PatternGenerator
{
/// <summary>
/// Base osu! slider scoring distance.
/// </summary>
private const float osu_base_scoring_distance = 100;
private readonly double endTime;
private readonly double segmentDuration;
private readonly int spanCount;
private PatternType convertType;
public DistanceObjectPatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, Beatmap originalBeatmap)
: base(random, hitObject, beatmap, previousPattern, originalBeatmap)
{
convertType = PatternType.None;
if (!Beatmap.ControlPointInfo.EffectPointAt(hitObject.StartTime).KiaiMode)
convertType = PatternType.LowProbability;
var distanceData = hitObject as IHasDistance;
var repeatsData = hitObject as IHasRepeats;
spanCount = repeatsData?.SpanCount() ?? 1;
TimingControlPoint timingPoint = beatmap.ControlPointInfo.TimingPointAt(hitObject.StartTime);
DifficultyControlPoint difficultyPoint = beatmap.ControlPointInfo.DifficultyPointAt(hitObject.StartTime);
// The true distance, accounting for any repeats
double distance = (distanceData?.Distance ?? 0) * spanCount;
// The velocity of the osu! hit object - calculated as the velocity of a slider
double osuVelocity = osu_base_scoring_distance * beatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier * difficultyPoint.SpeedMultiplier / timingPoint.BeatLength;
// The duration of the osu! hit object
double osuDuration = distance / osuVelocity;
endTime = hitObject.StartTime + osuDuration;
segmentDuration = (endTime - HitObject.StartTime) / spanCount;
}
public override Pattern Generate()
{
if (spanCount > 1)
{
if (segmentDuration <= 90)
return generateRandomHoldNotes(HitObject.StartTime, 1);
if (segmentDuration <= 120)
{
convertType |= PatternType.ForceNotStack;
return generateRandomNotes(HitObject.StartTime, spanCount + 1);
}
if (segmentDuration <= 160)
return generateStair(HitObject.StartTime);
if (segmentDuration <= 200 && ConversionDifficulty > 3)
return generateRandomMultipleNotes(HitObject.StartTime);
double duration = endTime - HitObject.StartTime;
if (duration >= 4000)
return generateNRandomNotes(HitObject.StartTime, 0.23, 0, 0);
if (segmentDuration > 400 && spanCount < TotalColumns - 1 - RandomStart)
return generateTiledHoldNotes(HitObject.StartTime);
return generateHoldAndNormalNotes(HitObject.StartTime);
}
if (segmentDuration <= 110)
{
if (PreviousPattern.ColumnWithObjects < TotalColumns)
convertType |= PatternType.ForceNotStack;
else
convertType &= ~PatternType.ForceNotStack;
return generateRandomNotes(HitObject.StartTime, segmentDuration < 80 ? 1 : 2);
}
if (ConversionDifficulty > 6.5)
{
if ((convertType & PatternType.LowProbability) > 0)
return generateNRandomNotes(HitObject.StartTime, 0.78, 0.3, 0);
return generateNRandomNotes(HitObject.StartTime, 0.85, 0.36, 0.03);
}
if (ConversionDifficulty > 4)
{
if ((convertType & PatternType.LowProbability) > 0)
return generateNRandomNotes(HitObject.StartTime, 0.43, 0.08, 0);
return generateNRandomNotes(HitObject.StartTime, 0.56, 0.18, 0);
}
if (ConversionDifficulty > 2.5)
{
if ((convertType & PatternType.LowProbability) > 0)
return generateNRandomNotes(HitObject.StartTime, 0.3, 0, 0);
return generateNRandomNotes(HitObject.StartTime, 0.37, 0.08, 0);
}
if ((convertType & PatternType.LowProbability) > 0)
return generateNRandomNotes(HitObject.StartTime, 0.17, 0, 0);
return generateNRandomNotes(HitObject.StartTime, 0.27, 0, 0);
}
/// <summary>
/// Generates random hold notes that start at an span the same amount of rows.
/// </summary>
/// <param name="startTime">Start time of each hold note.</param>
/// <param name="noteCount">Number of hold notes.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateRandomHoldNotes(double startTime, int noteCount)
{
// - - - -
// ■ - ■ ■
// □ - □ □
// ■ - ■ ■
var pattern = new Pattern();
int usableColumns = TotalColumns - RandomStart - PreviousPattern.ColumnWithObjects;
int nextColumn = Random.Next(RandomStart, TotalColumns);
for (int i = 0; i < Math.Min(usableColumns, noteCount); i++)
{
while (pattern.ColumnHasObject(nextColumn) || PreviousPattern.ColumnHasObject(nextColumn)) //find available column
nextColumn = Random.Next(RandomStart, TotalColumns);
addToPattern(pattern, nextColumn, startTime, endTime);
}
// This is can't be combined with the above loop due to RNG
for (int i = 0; i < noteCount - usableColumns; i++)
{
while (pattern.ColumnHasObject(nextColumn))
nextColumn = Random.Next(RandomStart, TotalColumns);
addToPattern(pattern, nextColumn, startTime, endTime);
}
return pattern;
}
/// <summary>
/// Generates random notes, with one note per row and no stacking.
/// </summary>
/// <param name="startTime">The start time.</param>
/// <param name="noteCount">The number of notes.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateRandomNotes(double startTime, int noteCount)
{
// - - - -
// x - - -
// - - x -
// - - - x
// x - - -
var pattern = new Pattern();
int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
{
while (PreviousPattern.ColumnHasObject(nextColumn))
nextColumn = Random.Next(RandomStart, TotalColumns);
}
int lastColumn = nextColumn;
for (int i = 0; i < noteCount; i++)
{
addToPattern(pattern, nextColumn, startTime, startTime);
while (nextColumn == lastColumn)
nextColumn = Random.Next(RandomStart, TotalColumns);
lastColumn = nextColumn;
startTime += segmentDuration;
}
return pattern;
}
/// <summary>
/// Generates a stair of notes, with one note per row.
/// </summary>
/// <param name="startTime">The start time.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateStair(double startTime)
{
// - - - -
// x - - -
// - x - -
// - - x -
// - - - x
// - - x -
// - x - -
// x - - -
var pattern = new Pattern();
int column = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
bool increasing = Random.NextDouble() > 0.5;
for (int i = 0; i <= spanCount; i++)
{
addToPattern(pattern, column, startTime, startTime);
startTime += segmentDuration;
// Check if we're at the borders of the stage, and invert the pattern if so
if (increasing)
{
if (column >= TotalColumns - 1)
{
increasing = false;
column--;
}
else
column++;
}
else
{
if (column <= RandomStart)
{
increasing = true;
column++;
}
else
column--;
}
}
return pattern;
}
/// <summary>
/// Generates random notes with 1-2 notes per row and no stacking.
/// </summary>
/// <param name="startTime">The start time.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateRandomMultipleNotes(double startTime)
{
// - - - -
// x - - -
// - x x -
// - - - x
// x - x -
var pattern = new Pattern();
bool legacy = TotalColumns >= 4 && TotalColumns <= 8;
int interval = Random.Next(1, TotalColumns - (legacy ? 1 : 0));
int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
for (int i = 0; i <= spanCount; i++)
{
addToPattern(pattern, nextColumn, startTime, startTime);
nextColumn += interval;
if (nextColumn >= TotalColumns - RandomStart)
nextColumn = nextColumn - TotalColumns - RandomStart + (legacy ? 1 : 0);
nextColumn += RandomStart;
// If we're in 2K, let's not add many consecutive doubles
if (TotalColumns > 2)
addToPattern(pattern, nextColumn, startTime, startTime);
nextColumn = Random.Next(RandomStart, TotalColumns);
startTime += segmentDuration;
}
return pattern;
}
/// <summary>
/// Generates random hold notes. The amount of hold notes generated is determined by probabilities.
/// </summary>
/// <param name="startTime">The hold note start time.</param>
/// <param name="p2">The probability required for 2 hold notes to be generated.</param>
/// <param name="p3">The probability required for 3 hold notes to be generated.</param>
/// <param name="p4">The probability required for 4 hold notes to be generated.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateNRandomNotes(double startTime, double p2, double p3, double p4)
{
// - - - -
// ■ - ■ ■
// □ - □ □
// ■ - ■ ■
switch (TotalColumns)
{
case 2:
p2 = 0;
p3 = 0;
p4 = 0;
break;
case 3:
p2 = Math.Min(p2, 0.1);
p3 = 0;
p4 = 0;
break;
case 4:
p2 = Math.Min(p2, 0.3);
p3 = Math.Min(p3, 0.04);
p4 = 0;
break;
case 5:
p2 = Math.Min(p2, 0.34);
p3 = Math.Min(p3, 0.1);
p4 = Math.Min(p4, 0.03);
break;
}
bool isDoubleSample(SampleInfo sample) => sample.Name == SampleInfo.HIT_CLAP && sample.Name == SampleInfo.HIT_FINISH;
bool canGenerateTwoNotes = (convertType & PatternType.LowProbability) == 0;
canGenerateTwoNotes &= HitObject.Samples.Any(isDoubleSample) || sampleInfoListAt(HitObject.StartTime).Any(isDoubleSample);
if (canGenerateTwoNotes)
p2 = 1;
return generateRandomHoldNotes(startTime, GetRandomNoteCount(p2, p3, p4));
}
/// <summary>
/// Generates tiled hold notes. You can think of this as a stair of hold notes.
/// </summary>
/// <param name="startTime">The first hold note start time.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateTiledHoldNotes(double startTime)
{
// - - - -
// ■ ■ ■ ■
// □ □ □ □
// □ □ □ □
// □ □ □ ■
// □ □ ■ -
// □ ■ - -
// ■ - - -
var pattern = new Pattern();
int columnRepeat = Math.Min(spanCount, TotalColumns);
int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
{
while (PreviousPattern.ColumnHasObject(nextColumn))
nextColumn = Random.Next(RandomStart, TotalColumns);
}
for (int i = 0; i < columnRepeat; i++)
{
while (pattern.ColumnHasObject(nextColumn))
nextColumn = Random.Next(RandomStart, TotalColumns);
addToPattern(pattern, nextColumn, startTime, endTime);
startTime += segmentDuration;
}
return pattern;
}
/// <summary>
/// Generates a hold note alongside normal notes.
/// </summary>
/// <param name="startTime">The start time of notes.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateHoldAndNormalNotes(double startTime)
{
// - - - -
// ■ x x -
// ■ - x x
// ■ x - x
// ■ - x x
var pattern = new Pattern();
int holdColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
{
while (PreviousPattern.ColumnHasObject(holdColumn))
holdColumn = Random.Next(RandomStart, TotalColumns);
}
// Create the hold note
addToPattern(pattern, holdColumn, startTime, endTime);
int nextColumn = Random.Next(RandomStart, TotalColumns);
int noteCount;
if (ConversionDifficulty > 6.5)
noteCount = GetRandomNoteCount(0.63, 0);
else if (ConversionDifficulty > 4)
noteCount = GetRandomNoteCount(TotalColumns < 6 ? 0.12 : 0.45, 0);
else if (ConversionDifficulty > 2.5)
noteCount = GetRandomNoteCount(TotalColumns < 6 ? 0 : 0.24, 0);
else
noteCount = 0;
noteCount = Math.Min(TotalColumns - 1, noteCount);
bool ignoreHead = !sampleInfoListAt(startTime).Any(s => s.Name == SampleInfo.HIT_WHISTLE || s.Name == SampleInfo.HIT_FINISH || s.Name == SampleInfo.HIT_CLAP);
var rowPattern = new Pattern();
for (int i = 0; i <= spanCount; i++)
{
if (!(ignoreHead && startTime == HitObject.StartTime))
{
for (int j = 0; j < noteCount; j++)
{
while (rowPattern.ColumnHasObject(nextColumn) || nextColumn == holdColumn)
nextColumn = Random.Next(RandomStart, TotalColumns);
addToPattern(rowPattern, nextColumn, startTime, startTime);
}
}
pattern.Add(rowPattern);
rowPattern.Clear();
startTime += segmentDuration;
}
return pattern;
}
/// <summary>
/// Retrieves the sample info list at a point in time.
/// </summary>
/// <param name="time">The time to retrieve the sample info list from.</param>
/// <returns></returns>
private List<SampleInfo> sampleInfoListAt(double time)
{
var curveData = HitObject as IHasCurve;
if (curveData == null)
return HitObject.Samples;
double segmentTime = (endTime - HitObject.StartTime) / spanCount;
int index = (int)(segmentTime == 0 ? 0 : (time - HitObject.StartTime) / segmentTime);
return curveData.RepeatSamples[index];
}
/// <summary>
/// Constructs and adds a note to a pattern.
/// </summary>
/// <param name="pattern">The pattern to add to.</param>
/// <param name="column">The column to add the note to.</param>
/// <param name="startTime">The start time of the note.</param>
/// <param name="endTime">The end time of the note (set to <paramref name="startTime"/> for a non-hold note).</param>
private void addToPattern(Pattern pattern, int column, double startTime, double endTime)
{
ManiaHitObject newObject;
if (startTime == endTime)
{
newObject = new Note
{
StartTime = startTime,
Samples = sampleInfoListAt(startTime),
Column = column
};
}
else
{
var holdNote = new HoldNote
{
StartTime = startTime,
Column = column,
Duration = endTime - startTime,
Head = { Samples = sampleInfoListAt(startTime) },
Tail = { Samples = sampleInfoListAt(endTime) }
};
newObject = holdNote;
}
pattern.Add(newObject);
}
}
}
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Game.Audio;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Mania.MathUtils;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using osu.Game.Rulesets.Mania.Objects;
using osu.Game.Beatmaps.ControlPoints;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
{
/// <summary>
/// A pattern generator for IHasDistance hit objects.
/// </summary>
internal class DistanceObjectPatternGenerator : PatternGenerator
{
/// <summary>
/// Base osu! slider scoring distance.
/// </summary>
private const float osu_base_scoring_distance = 100;
private readonly double endTime;
private readonly double segmentDuration;
private readonly int spanCount;
private PatternType convertType;
public DistanceObjectPatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, Beatmap originalBeatmap)
: base(random, hitObject, beatmap, previousPattern, originalBeatmap)
{
convertType = PatternType.None;
if (!Beatmap.ControlPointInfo.EffectPointAt(hitObject.StartTime).KiaiMode)
convertType = PatternType.LowProbability;
var distanceData = hitObject as IHasDistance;
var repeatsData = hitObject as IHasRepeats;
spanCount = repeatsData?.SpanCount() ?? 1;
TimingControlPoint timingPoint = beatmap.ControlPointInfo.TimingPointAt(hitObject.StartTime);
DifficultyControlPoint difficultyPoint = beatmap.ControlPointInfo.DifficultyPointAt(hitObject.StartTime);
// The true distance, accounting for any repeats
double distance = (distanceData?.Distance ?? 0) * spanCount;
// The velocity of the osu! hit object - calculated as the velocity of a slider
double osuVelocity = osu_base_scoring_distance * beatmap.BeatmapInfo.BaseDifficulty.SliderMultiplier * difficultyPoint.SpeedMultiplier / timingPoint.BeatLength;
// The duration of the osu! hit object
double osuDuration = distance / osuVelocity;
endTime = hitObject.StartTime + osuDuration;
segmentDuration = (endTime - HitObject.StartTime) / spanCount;
}
public override Pattern Generate()
{
if (spanCount > 1)
{
if (segmentDuration <= 90)
return generateRandomHoldNotes(HitObject.StartTime, 1);
if (segmentDuration <= 120)
{
convertType |= PatternType.ForceNotStack;
return generateRandomNotes(HitObject.StartTime, spanCount + 1);
}
if (segmentDuration <= 160)
return generateStair(HitObject.StartTime);
if (segmentDuration <= 200 && ConversionDifficulty > 3)
return generateRandomMultipleNotes(HitObject.StartTime);
double duration = endTime - HitObject.StartTime;
if (duration >= 4000)
return generateNRandomNotes(HitObject.StartTime, 0.23, 0, 0);
if (segmentDuration > 400 && spanCount < TotalColumns - 1 - RandomStart)
return generateTiledHoldNotes(HitObject.StartTime);
return generateHoldAndNormalNotes(HitObject.StartTime);
}
if (segmentDuration <= 110)
{
if (PreviousPattern.ColumnWithObjects < TotalColumns)
convertType |= PatternType.ForceNotStack;
else
convertType &= ~PatternType.ForceNotStack;
return generateRandomNotes(HitObject.StartTime, segmentDuration < 80 ? 1 : 2);
}
if (ConversionDifficulty > 6.5)
{
if ((convertType & PatternType.LowProbability) > 0)
return generateNRandomNotes(HitObject.StartTime, 0.78, 0.3, 0);
return generateNRandomNotes(HitObject.StartTime, 0.85, 0.36, 0.03);
}
if (ConversionDifficulty > 4)
{
if ((convertType & PatternType.LowProbability) > 0)
return generateNRandomNotes(HitObject.StartTime, 0.43, 0.08, 0);
return generateNRandomNotes(HitObject.StartTime, 0.56, 0.18, 0);
}
if (ConversionDifficulty > 2.5)
{
if ((convertType & PatternType.LowProbability) > 0)
return generateNRandomNotes(HitObject.StartTime, 0.3, 0, 0);
return generateNRandomNotes(HitObject.StartTime, 0.37, 0.08, 0);
}
if ((convertType & PatternType.LowProbability) > 0)
return generateNRandomNotes(HitObject.StartTime, 0.17, 0, 0);
return generateNRandomNotes(HitObject.StartTime, 0.27, 0, 0);
}
/// <summary>
/// Generates random hold notes that start at an span the same amount of rows.
/// </summary>
/// <param name="startTime">Start time of each hold note.</param>
/// <param name="noteCount">Number of hold notes.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateRandomHoldNotes(double startTime, int noteCount)
{
// - - - -
// ■ - ■ ■
// □ - □ □
// ■ - ■ ■
var pattern = new Pattern();
int usableColumns = TotalColumns - RandomStart - PreviousPattern.ColumnWithObjects;
int nextColumn = Random.Next(RandomStart, TotalColumns);
for (int i = 0; i < Math.Min(usableColumns, noteCount); i++)
{
while (pattern.ColumnHasObject(nextColumn) || PreviousPattern.ColumnHasObject(nextColumn)) //find available column
nextColumn = Random.Next(RandomStart, TotalColumns);
addToPattern(pattern, nextColumn, startTime, endTime);
}
// This is can't be combined with the above loop due to RNG
for (int i = 0; i < noteCount - usableColumns; i++)
{
while (pattern.ColumnHasObject(nextColumn))
nextColumn = Random.Next(RandomStart, TotalColumns);
addToPattern(pattern, nextColumn, startTime, endTime);
}
return pattern;
}
/// <summary>
/// Generates random notes, with one note per row and no stacking.
/// </summary>
/// <param name="startTime">The start time.</param>
/// <param name="noteCount">The number of notes.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateRandomNotes(double startTime, int noteCount)
{
// - - - -
// x - - -
// - - x -
// - - - x
// x - - -
var pattern = new Pattern();
int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
{
while (PreviousPattern.ColumnHasObject(nextColumn))
nextColumn = Random.Next(RandomStart, TotalColumns);
}
int lastColumn = nextColumn;
for (int i = 0; i < noteCount; i++)
{
addToPattern(pattern, nextColumn, startTime, startTime);
while (nextColumn == lastColumn)
nextColumn = Random.Next(RandomStart, TotalColumns);
lastColumn = nextColumn;
startTime += segmentDuration;
}
return pattern;
}
/// <summary>
/// Generates a stair of notes, with one note per row.
/// </summary>
/// <param name="startTime">The start time.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateStair(double startTime)
{
// - - - -
// x - - -
// - x - -
// - - x -
// - - - x
// - - x -
// - x - -
// x - - -
var pattern = new Pattern();
int column = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
bool increasing = Random.NextDouble() > 0.5;
for (int i = 0; i <= spanCount; i++)
{
addToPattern(pattern, column, startTime, startTime);
startTime += segmentDuration;
// Check if we're at the borders of the stage, and invert the pattern if so
if (increasing)
{
if (column >= TotalColumns - 1)
{
increasing = false;
column--;
}
else
column++;
}
else
{
if (column <= RandomStart)
{
increasing = true;
column++;
}
else
column--;
}
}
return pattern;
}
/// <summary>
/// Generates random notes with 1-2 notes per row and no stacking.
/// </summary>
/// <param name="startTime">The start time.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateRandomMultipleNotes(double startTime)
{
// - - - -
// x - - -
// - x x -
// - - - x
// x - x -
var pattern = new Pattern();
bool legacy = TotalColumns >= 4 && TotalColumns <= 8;
int interval = Random.Next(1, TotalColumns - (legacy ? 1 : 0));
int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
for (int i = 0; i <= spanCount; i++)
{
addToPattern(pattern, nextColumn, startTime, startTime);
nextColumn += interval;
if (nextColumn >= TotalColumns - RandomStart)
nextColumn = nextColumn - TotalColumns - RandomStart + (legacy ? 1 : 0);
nextColumn += RandomStart;
// If we're in 2K, let's not add many consecutive doubles
if (TotalColumns > 2)
addToPattern(pattern, nextColumn, startTime, startTime);
nextColumn = Random.Next(RandomStart, TotalColumns);
startTime += segmentDuration;
}
return pattern;
}
/// <summary>
/// Generates random hold notes. The amount of hold notes generated is determined by probabilities.
/// </summary>
/// <param name="startTime">The hold note start time.</param>
/// <param name="p2">The probability required for 2 hold notes to be generated.</param>
/// <param name="p3">The probability required for 3 hold notes to be generated.</param>
/// <param name="p4">The probability required for 4 hold notes to be generated.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateNRandomNotes(double startTime, double p2, double p3, double p4)
{
// - - - -
// ■ - ■ ■
// □ - □ □
// ■ - ■ ■
switch (TotalColumns)
{
case 2:
p2 = 0;
p3 = 0;
p4 = 0;
break;
case 3:
p2 = Math.Min(p2, 0.1);
p3 = 0;
p4 = 0;
break;
case 4:
p2 = Math.Min(p2, 0.3);
p3 = Math.Min(p3, 0.04);
p4 = 0;
break;
case 5:
p2 = Math.Min(p2, 0.34);
p3 = Math.Min(p3, 0.1);
p4 = Math.Min(p4, 0.03);
break;
}
bool isDoubleSample(SampleInfo sample) => sample.Name == SampleInfo.HIT_CLAP && sample.Name == SampleInfo.HIT_FINISH;
bool canGenerateTwoNotes = (convertType & PatternType.LowProbability) == 0;
canGenerateTwoNotes &= HitObject.Samples.Any(isDoubleSample) || sampleInfoListAt(HitObject.StartTime).Any(isDoubleSample);
if (canGenerateTwoNotes)
p2 = 1;
return generateRandomHoldNotes(startTime, GetRandomNoteCount(p2, p3, p4));
}
/// <summary>
/// Generates tiled hold notes. You can think of this as a stair of hold notes.
/// </summary>
/// <param name="startTime">The first hold note start time.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateTiledHoldNotes(double startTime)
{
// - - - -
// ■ ■ ■ ■
// □ □ □ □
// □ □ □ □
// □ □ □ ■
// □ □ ■ -
// □ ■ - -
// ■ - - -
var pattern = new Pattern();
int columnRepeat = Math.Min(spanCount, TotalColumns);
int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
{
while (PreviousPattern.ColumnHasObject(nextColumn))
nextColumn = Random.Next(RandomStart, TotalColumns);
}
for (int i = 0; i < columnRepeat; i++)
{
while (pattern.ColumnHasObject(nextColumn))
nextColumn = Random.Next(RandomStart, TotalColumns);
addToPattern(pattern, nextColumn, startTime, endTime);
startTime += segmentDuration;
}
return pattern;
}
/// <summary>
/// Generates a hold note alongside normal notes.
/// </summary>
/// <param name="startTime">The start time of notes.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateHoldAndNormalNotes(double startTime)
{
// - - - -
// ■ x x -
// ■ - x x
// ■ x - x
// ■ - x x
var pattern = new Pattern();
int holdColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
if ((convertType & PatternType.ForceNotStack) > 0 && PreviousPattern.ColumnWithObjects < TotalColumns)
{
while (PreviousPattern.ColumnHasObject(holdColumn))
holdColumn = Random.Next(RandomStart, TotalColumns);
}
// Create the hold note
addToPattern(pattern, holdColumn, startTime, endTime);
int nextColumn = Random.Next(RandomStart, TotalColumns);
int noteCount;
if (ConversionDifficulty > 6.5)
noteCount = GetRandomNoteCount(0.63, 0);
else if (ConversionDifficulty > 4)
noteCount = GetRandomNoteCount(TotalColumns < 6 ? 0.12 : 0.45, 0);
else if (ConversionDifficulty > 2.5)
noteCount = GetRandomNoteCount(TotalColumns < 6 ? 0 : 0.24, 0);
else
noteCount = 0;
noteCount = Math.Min(TotalColumns - 1, noteCount);
bool ignoreHead = !sampleInfoListAt(startTime).Any(s => s.Name == SampleInfo.HIT_WHISTLE || s.Name == SampleInfo.HIT_FINISH || s.Name == SampleInfo.HIT_CLAP);
var rowPattern = new Pattern();
for (int i = 0; i <= spanCount; i++)
{
if (!(ignoreHead && startTime == HitObject.StartTime))
{
for (int j = 0; j < noteCount; j++)
{
while (rowPattern.ColumnHasObject(nextColumn) || nextColumn == holdColumn)
nextColumn = Random.Next(RandomStart, TotalColumns);
addToPattern(rowPattern, nextColumn, startTime, startTime);
}
}
pattern.Add(rowPattern);
rowPattern.Clear();
startTime += segmentDuration;
}
return pattern;
}
/// <summary>
/// Retrieves the sample info list at a point in time.
/// </summary>
/// <param name="time">The time to retrieve the sample info list from.</param>
/// <returns></returns>
private List<SampleInfo> sampleInfoListAt(double time)
{
var curveData = HitObject as IHasCurve;
if (curveData == null)
return HitObject.Samples;
double segmentTime = (endTime - HitObject.StartTime) / spanCount;
int index = (int)(segmentTime == 0 ? 0 : (time - HitObject.StartTime) / segmentTime);
return curveData.RepeatSamples[index];
}
/// <summary>
/// Constructs and adds a note to a pattern.
/// </summary>
/// <param name="pattern">The pattern to add to.</param>
/// <param name="column">The column to add the note to.</param>
/// <param name="startTime">The start time of the note.</param>
/// <param name="endTime">The end time of the note (set to <paramref name="startTime"/> for a non-hold note).</param>
private void addToPattern(Pattern pattern, int column, double startTime, double endTime)
{
ManiaHitObject newObject;
if (startTime == endTime)
{
newObject = new Note
{
StartTime = startTime,
Samples = sampleInfoListAt(startTime),
Column = column
};
}
else
{
var holdNote = new HoldNote
{
StartTime = startTime,
Column = column,
Duration = endTime - startTime,
Head = { Samples = sampleInfoListAt(startTime) },
Tail = { Samples = sampleInfoListAt(endTime) }
};
newObject = holdNote;
}
pattern.Add(newObject);
}
}
}

204
osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/EndTimeObjectPatternGenerator.cs
View File

@ -1,102 +1,102 @@
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System.Collections.Generic;
using osu.Game.Rulesets.Mania.MathUtils;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using System.Linq;
using osu.Game.Audio;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Mania.Objects;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
{
internal class EndTimeObjectPatternGenerator : PatternGenerator
{
private readonly double endTime;
public EndTimeObjectPatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, Beatmap originalBeatmap)
: base(random, hitObject, beatmap, new Pattern(), originalBeatmap)
{
var endtimeData = HitObject as IHasEndTime;
endTime = endtimeData?.EndTime ?? 0;
}
public override Pattern Generate()
{
var pattern = new Pattern();
bool generateHold = endTime - HitObject.StartTime >= 100;
if (TotalColumns == 8)
{
if (HitObject.Samples.Any(s => s.Name == SampleInfo.HIT_FINISH) && endTime - HitObject.StartTime < 1000)
addToPattern(pattern, 0, generateHold);
else
addToPattern(pattern, getNextRandomColumn(RandomStart), generateHold);
}
else if (TotalColumns > 0)
addToPattern(pattern, getNextRandomColumn(0), generateHold);
return pattern;
}
/// <summary>
/// Picks a random column after a column.
/// </summary>
/// <param name="start">The starting column.</param>
/// <returns>A random column after <paramref name="start"/>.</returns>
private int getNextRandomColumn(int start)
{
int nextColumn = Random.Next(start, TotalColumns);
while (PreviousPattern.ColumnHasObject(nextColumn))
nextColumn = Random.Next(start, TotalColumns);
return nextColumn;
}
/// <summary>
/// Constructs and adds a note to a pattern.
/// </summary>
/// <param name="pattern">The pattern to add to.</param>
/// <param name="column">The column to add the note to.</param>
/// <param name="holdNote">Whether to add a hold note.</param>
private void addToPattern(Pattern pattern, int column, bool holdNote)
{
ManiaHitObject newObject;
if (holdNote)
{
var hold = new HoldNote
{
StartTime = HitObject.StartTime,
Column = column,
Duration = endTime - HitObject.StartTime
};
if (hold.Head.Samples == null)
hold.Head.Samples = new List<SampleInfo>();
hold.Head.Samples.Add(new SampleInfo { Name = SampleInfo.HIT_NORMAL });
hold.Tail.Samples = HitObject.Samples;
newObject = hold;
}
else
{
newObject = new Note
{
StartTime = HitObject.StartTime,
Samples = HitObject.Samples,
Column = column
};
}
pattern.Add(newObject);
}
}
}
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System.Collections.Generic;
using osu.Game.Rulesets.Mania.MathUtils;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using System.Linq;
using osu.Game.Audio;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Mania.Objects;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
{
internal class EndTimeObjectPatternGenerator : PatternGenerator
{
private readonly double endTime;
public EndTimeObjectPatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, Beatmap originalBeatmap)
: base(random, hitObject, beatmap, new Pattern(), originalBeatmap)
{
var endtimeData = HitObject as IHasEndTime;
endTime = endtimeData?.EndTime ?? 0;
}
public override Pattern Generate()
{
var pattern = new Pattern();
bool generateHold = endTime - HitObject.StartTime >= 100;
if (TotalColumns == 8)
{
if (HitObject.Samples.Any(s => s.Name == SampleInfo.HIT_FINISH) && endTime - HitObject.StartTime < 1000)
addToPattern(pattern, 0, generateHold);
else
addToPattern(pattern, getNextRandomColumn(RandomStart), generateHold);
}
else if (TotalColumns > 0)
addToPattern(pattern, getNextRandomColumn(0), generateHold);
return pattern;
}
/// <summary>
/// Picks a random column after a column.
/// </summary>
/// <param name="start">The starting column.</param>
/// <returns>A random column after <paramref name="start"/>.</returns>
private int getNextRandomColumn(int start)
{
int nextColumn = Random.Next(start, TotalColumns);
while (PreviousPattern.ColumnHasObject(nextColumn))
nextColumn = Random.Next(start, TotalColumns);
return nextColumn;
}
/// <summary>
/// Constructs and adds a note to a pattern.
/// </summary>
/// <param name="pattern">The pattern to add to.</param>
/// <param name="column">The column to add the note to.</param>
/// <param name="holdNote">Whether to add a hold note.</param>
private void addToPattern(Pattern pattern, int column, bool holdNote)
{
ManiaHitObject newObject;
if (holdNote)
{
var hold = new HoldNote
{
StartTime = HitObject.StartTime,
Column = column,
Duration = endTime - HitObject.StartTime
};
if (hold.Head.Samples == null)
hold.Head.Samples = new List<SampleInfo>();
hold.Head.Samples.Add(new SampleInfo { Name = SampleInfo.HIT_NORMAL });
hold.Tail.Samples = HitObject.Samples;
newObject = hold;
}
else
{
newObject = new Note
{
StartTime = HitObject.StartTime,
Samples = HitObject.Samples,
Column = column
};
}
pattern.Add(newObject);
}
}
}

802
osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/HitObjectPatternGenerator.cs
View File

@ -1,401 +1,401 @@
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Linq;
using OpenTK;
using osu.Game.Audio;
using osu.Game.Beatmaps;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Rulesets.Mania.MathUtils;
using osu.Game.Rulesets.Mania.Objects;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
{
internal class HitObjectPatternGenerator : PatternGenerator
{
public PatternType StairType { get; private set; }
private readonly PatternType convertType;
public HitObjectPatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, double previousTime, Vector2 previousPosition, double density, PatternType lastStair, Beatmap originalBeatmap)
: base(random, hitObject, beatmap, previousPattern, originalBeatmap)
{
if (previousTime > hitObject.StartTime) throw new ArgumentOutOfRangeException(nameof(previousTime));
if (density < 0) throw new ArgumentOutOfRangeException(nameof(density));
StairType = lastStair;
TimingControlPoint timingPoint = beatmap.ControlPointInfo.TimingPointAt(hitObject.StartTime);
EffectControlPoint effectPoint = beatmap.ControlPointInfo.EffectPointAt(hitObject.StartTime);
var positionData = hitObject as IHasPosition;
float positionSeparation = ((positionData?.Position ?? Vector2.Zero) - previousPosition).Length;
double timeSeparation = hitObject.StartTime - previousTime;
if (timeSeparation <= 80)
{
// More than 187 BPM
convertType |= PatternType.ForceNotStack | PatternType.KeepSingle;
}
else if (timeSeparation <= 95)
{
// More than 157 BPM
convertType |= PatternType.ForceNotStack | PatternType.KeepSingle | lastStair;
}
else if (timeSeparation <= 105)
{
// More than 140 BPM
convertType |= PatternType.ForceNotStack | PatternType.LowProbability;
}
else if (timeSeparation <= 125)
{
// More than 120 BPM
convertType |= PatternType.ForceNotStack;
}
else if (timeSeparation <= 135 && positionSeparation < 20)
{
// More than 111 BPM stream
convertType |= PatternType.Cycle | PatternType.KeepSingle;
}
else if (timeSeparation <= 150 && positionSeparation < 20)
{
// More than 100 BPM stream
convertType |= PatternType.ForceStack | PatternType.LowProbability;
}
else if (positionSeparation < 20 && density >= timingPoint.BeatLength / 2.5)
{
// Low density stream
convertType |= PatternType.Reverse | PatternType.LowProbability;
}
else if (density < timingPoint.BeatLength / 2.5 || effectPoint.KiaiMode)
{
// High density
}
else
convertType |= PatternType.LowProbability;
}
public override Pattern Generate()
{
int lastColumn = PreviousPattern.HitObjects.FirstOrDefault()?.Column ?? 0;
if ((convertType & PatternType.Reverse) > 0 && PreviousPattern.HitObjects.Any())
{
// Generate a new pattern by copying the last hit objects in reverse-column order
var pattern = new Pattern();
for (int i = RandomStart; i < TotalColumns; i++)
if (PreviousPattern.ColumnHasObject(i))
addToPattern(pattern, RandomStart + TotalColumns - i - 1);
return pattern;
}
if ((convertType & PatternType.Cycle) > 0 && PreviousPattern.HitObjects.Count() == 1
// If we convert to 7K + 1, let's not overload the special key
&& (TotalColumns != 8 || lastColumn != 0)
// Make sure the last column was not the centre column
&& (TotalColumns % 2 == 0 || lastColumn != TotalColumns / 2))
{
// Generate a new pattern by cycling backwards (similar to Reverse but for only one hit object)
var pattern = new Pattern();
int column = RandomStart + TotalColumns - lastColumn - 1;
addToPattern(pattern, column);
return pattern;
}
if ((convertType & PatternType.ForceStack) > 0 && PreviousPattern.HitObjects.Any())
{
// Generate a new pattern by placing on the already filled columns
var pattern = new Pattern();
for (int i = RandomStart; i < TotalColumns; i++)
if (PreviousPattern.ColumnHasObject(i))
addToPattern(pattern, i);
return pattern;
}
if ((convertType & PatternType.Stair) > 0 && PreviousPattern.HitObjects.Count() == 1)
{
// Generate a new pattern by placing on the next column, cycling back to the start if there is no "next"
var pattern = new Pattern();
int targetColumn = lastColumn + 1;
if (targetColumn == TotalColumns)
{
targetColumn = RandomStart;
StairType = PatternType.ReverseStair;
}
addToPattern(pattern, targetColumn);
return pattern;
}
if ((convertType & PatternType.ReverseStair) > 0 && PreviousPattern.HitObjects.Count() == 1)
{
// Generate a new pattern by placing on the previous column, cycling back to the end if there is no "previous"
var pattern = new Pattern();
int targetColumn = lastColumn - 1;
if (targetColumn == RandomStart - 1)
{
targetColumn = TotalColumns - 1;
StairType = PatternType.Stair;
}
addToPattern(pattern, targetColumn);
return pattern;
}
if ((convertType & PatternType.KeepSingle) > 0)
return generateRandomNotes(1);
if ((convertType & PatternType.Mirror) > 0)
{
if (ConversionDifficulty > 6.5)
return generateRandomPatternWithMirrored(0.12, 0.38, 0.12);
if (ConversionDifficulty > 4)
return generateRandomPatternWithMirrored(0.12, 0.17, 0);
return generateRandomPatternWithMirrored(0.12, 0, 0);
}
if (ConversionDifficulty > 6.5)
{
if ((convertType & PatternType.LowProbability) > 0)
return generateRandomPattern(0.78, 0.42, 0, 0);
return generateRandomPattern(1, 0.62, 0, 0);
}
if (ConversionDifficulty > 4)
{
if ((convertType & PatternType.LowProbability) > 0)
return generateRandomPattern(0.35, 0.08, 0, 0);
return generateRandomPattern(0.52, 0.15, 0, 0);
}
if (ConversionDifficulty > 2)
{
if ((convertType & PatternType.LowProbability) > 0)
return generateRandomPattern(0.18, 0, 0, 0);
return generateRandomPattern(0.45, 0, 0, 0);
}
return generateRandomPattern(0, 0, 0, 0);
}
/// <summary>
/// Generates random notes.
/// <para>
/// This will generate as many as it can up to <paramref name="noteCount"/>, accounting for
/// any stacks if <see cref="convertType"/> is forcing no stacks.
/// </para>
/// </summary>
/// <param name="noteCount">The amount of notes to generate.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateRandomNotes(int noteCount)
{
var pattern = new Pattern();
bool allowStacking = (convertType & PatternType.ForceNotStack) == 0;
if (!allowStacking)
noteCount = Math.Min(noteCount, TotalColumns - RandomStart - PreviousPattern.ColumnWithObjects);
int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
for (int i = 0; i < noteCount; i++)
{
while (pattern.ColumnHasObject(nextColumn) || PreviousPattern.ColumnHasObject(nextColumn) && !allowStacking)
{
if ((convertType & PatternType.Gathered) > 0)
{
nextColumn++;
if (nextColumn == TotalColumns)
nextColumn = RandomStart;
}
else
nextColumn = Random.Next(RandomStart, TotalColumns);
}
addToPattern(pattern, nextColumn);
}
return pattern;
}
/// <summary>
/// Whether this hit object can generate a note in the special column.
/// </summary>
private bool hasSpecialColumn => HitObject.Samples.Any(s => s.Name == SampleInfo.HIT_CLAP) && HitObject.Samples.Any(s => s.Name == SampleInfo.HIT_FINISH);
/// <summary>
/// Generates a random pattern.
/// </summary>
/// <param name="p2">Probability for 2 notes to be generated.</param>
/// <param name="p3">Probability for 3 notes to be generated.</param>
/// <param name="p4">Probability for 4 notes to be generated.</param>
/// <param name="p5">Probability for 5 notes to be generated.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateRandomPattern(double p2, double p3, double p4, double p5)
{
var pattern = new Pattern();
pattern.Add(generateRandomNotes(getRandomNoteCount(p2, p3, p4, p5)));
if (RandomStart > 0 && hasSpecialColumn)
addToPattern(pattern, 0);
return pattern;
}
/// <summary>
/// Generates a random pattern which has both normal and mirrored notes.
/// </summary>
/// <param name="centreProbability">The probability for a note to be added to the centre column.</param>
/// <param name="p2">Probability for 2 notes to be generated.</param>
/// <param name="p3">Probability for 3 notes to be generated.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateRandomPatternWithMirrored(double centreProbability, double p2, double p3)
{
var pattern = new Pattern();
bool addToCentre;
int noteCount = getRandomNoteCountMirrored(centreProbability, p2, p3, out addToCentre);
int columnLimit = (TotalColumns % 2 == 0 ? TotalColumns : TotalColumns - 1) / 2;
int nextColumn = Random.Next(RandomStart, columnLimit);
for (int i = 0; i < noteCount; i++)
{
while (pattern.ColumnHasObject(nextColumn))
nextColumn = Random.Next(RandomStart, columnLimit);
// Add normal note
addToPattern(pattern, nextColumn);
// Add mirrored note
addToPattern(pattern, RandomStart + TotalColumns - nextColumn - 1);
}
if (addToCentre)
addToPattern(pattern, TotalColumns / 2);
if (RandomStart > 0 && hasSpecialColumn)
addToPattern(pattern, 0);
return pattern;
}
/// <summary>
/// Generates a count of notes to be generated from a list of probabilities.
/// </summary>
/// <param name="p2">Probability for 2 notes to be generated.</param>
/// <param name="p3">Probability for 3 notes to be generated.</param>
/// <param name="p4">Probability for 4 notes to be generated.</param>
/// <param name="p5">Probability for 5 notes to be generated.</param>
/// <returns>The amount of notes to be generated.</returns>
private int getRandomNoteCount(double p2, double p3, double p4, double p5)
{
switch (TotalColumns)
{
case 2:
p2 = 0;
p3 = 0;
p4 = 0;
p5 = 0;
break;
case 3:
p2 = Math.Min(p2, 0.1);
p3 = 0;
p4 = 0;
p5 = 0;
break;
case 4:
p2 = Math.Min(p2, 0.23);
p3 = Math.Min(p3, 0.04);
p4 = 0;
p5 = 0;
break;
case 5:
p3 = Math.Min(p3, 0.15);
p4 = Math.Min(p4, 0.03);
p5 = 0;
break;
}
if (HitObject.Samples.Any(s => s.Name == SampleInfo.HIT_CLAP))
p2 = 1;
return GetRandomNoteCount(p2, p3, p4, p5);
}
/// <summary>
/// Generates a count of notes to be generated from a list of probabilities.
/// </summary>
/// <param name="centreProbability">The probability for a note to be added to the centre column.</param>
/// <param name="p2">Probability for 2 notes to be generated.</param>
/// <param name="p3">Probability for 3 notes to be generated.</param>
/// <param name="addToCentre">Whether to add a note to the centre column.</param>
/// <returns>The amount of notes to be generated. The note to be added to the centre column will NOT be part of this count.</returns>
private int getRandomNoteCountMirrored(double centreProbability, double p2, double p3, out bool addToCentre)
{
addToCentre = false;
if ((convertType & PatternType.ForceNotStack) > 0)
return getRandomNoteCount(p2 / 2, p2, (p2 + p3) / 2, p3);
switch (TotalColumns)
{
case 2:
centreProbability = 0;
p2 = 0;
p3 = 0;
break;
case 3:
centreProbability = Math.Min(centreProbability, 0.03);
p2 = 0;
p3 = 0;
break;
case 4:
centreProbability = 0;
p2 = Math.Min(p2 * 2, 0.2);
p3 = 0;
break;
case 5:
centreProbability = Math.Min(centreProbability, 0.03);
p3 = 0;
break;
case 6:
centreProbability = 0;
p2 = Math.Min(p2 * 2, 0.5);
p3 = Math.Min(p3 * 2, 0.15);
break;
}
double centreVal = Random.NextDouble();
int noteCount = GetRandomNoteCount(p2, p3);
addToCentre = TotalColumns % 2 != 0 && noteCount != 3 && centreVal > 1 - centreProbability;
return noteCount;
}
/// <summary>
/// Constructs and adds a note to a pattern.
/// </summary>
/// <param name="pattern">The pattern to add to.</param>
/// <param name="column">The column to add the note to.</param>
private void addToPattern(Pattern pattern, int column)
{
pattern.Add(new Note
{
StartTime = HitObject.StartTime,
Samples = HitObject.Samples,
Column = column
});
}
}
}
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Linq;
using OpenTK;
using osu.Game.Audio;
using osu.Game.Beatmaps;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Rulesets.Mania.MathUtils;
using osu.Game.Rulesets.Mania.Objects;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
{
internal class HitObjectPatternGenerator : PatternGenerator
{
public PatternType StairType { get; private set; }
private readonly PatternType convertType;
public HitObjectPatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, double previousTime, Vector2 previousPosition, double density, PatternType lastStair, Beatmap originalBeatmap)
: base(random, hitObject, beatmap, previousPattern, originalBeatmap)
{
if (previousTime > hitObject.StartTime) throw new ArgumentOutOfRangeException(nameof(previousTime));
if (density < 0) throw new ArgumentOutOfRangeException(nameof(density));
StairType = lastStair;
TimingControlPoint timingPoint = beatmap.ControlPointInfo.TimingPointAt(hitObject.StartTime);
EffectControlPoint effectPoint = beatmap.ControlPointInfo.EffectPointAt(hitObject.StartTime);
var positionData = hitObject as IHasPosition;
float positionSeparation = ((positionData?.Position ?? Vector2.Zero) - previousPosition).Length;
double timeSeparation = hitObject.StartTime - previousTime;
if (timeSeparation <= 80)
{
// More than 187 BPM
convertType |= PatternType.ForceNotStack | PatternType.KeepSingle;
}
else if (timeSeparation <= 95)
{
// More than 157 BPM
convertType |= PatternType.ForceNotStack | PatternType.KeepSingle | lastStair;
}
else if (timeSeparation <= 105)
{
// More than 140 BPM
convertType |= PatternType.ForceNotStack | PatternType.LowProbability;
}
else if (timeSeparation <= 125)
{
// More than 120 BPM
convertType |= PatternType.ForceNotStack;
}
else if (timeSeparation <= 135 && positionSeparation < 20)
{
// More than 111 BPM stream
convertType |= PatternType.Cycle | PatternType.KeepSingle;
}
else if (timeSeparation <= 150 && positionSeparation < 20)
{
// More than 100 BPM stream
convertType |= PatternType.ForceStack | PatternType.LowProbability;
}
else if (positionSeparation < 20 && density >= timingPoint.BeatLength / 2.5)
{
// Low density stream
convertType |= PatternType.Reverse | PatternType.LowProbability;
}
else if (density < timingPoint.BeatLength / 2.5 || effectPoint.KiaiMode)
{
// High density
}
else
convertType |= PatternType.LowProbability;
}
public override Pattern Generate()
{
int lastColumn = PreviousPattern.HitObjects.FirstOrDefault()?.Column ?? 0;
if ((convertType & PatternType.Reverse) > 0 && PreviousPattern.HitObjects.Any())
{
// Generate a new pattern by copying the last hit objects in reverse-column order
var pattern = new Pattern();
for (int i = RandomStart; i < TotalColumns; i++)
if (PreviousPattern.ColumnHasObject(i))
addToPattern(pattern, RandomStart + TotalColumns - i - 1);
return pattern;
}
if ((convertType & PatternType.Cycle) > 0 && PreviousPattern.HitObjects.Count() == 1
// If we convert to 7K + 1, let's not overload the special key
&& (TotalColumns != 8 || lastColumn != 0)
// Make sure the last column was not the centre column
&& (TotalColumns % 2 == 0 || lastColumn != TotalColumns / 2))
{
// Generate a new pattern by cycling backwards (similar to Reverse but for only one hit object)
var pattern = new Pattern();
int column = RandomStart + TotalColumns - lastColumn - 1;
addToPattern(pattern, column);
return pattern;
}
if ((convertType & PatternType.ForceStack) > 0 && PreviousPattern.HitObjects.Any())
{
// Generate a new pattern by placing on the already filled columns
var pattern = new Pattern();
for (int i = RandomStart; i < TotalColumns; i++)
if (PreviousPattern.ColumnHasObject(i))
addToPattern(pattern, i);
return pattern;
}
if ((convertType & PatternType.Stair) > 0 && PreviousPattern.HitObjects.Count() == 1)
{
// Generate a new pattern by placing on the next column, cycling back to the start if there is no "next"
var pattern = new Pattern();
int targetColumn = lastColumn + 1;
if (targetColumn == TotalColumns)
{
targetColumn = RandomStart;
StairType = PatternType.ReverseStair;
}
addToPattern(pattern, targetColumn);
return pattern;
}
if ((convertType & PatternType.ReverseStair) > 0 && PreviousPattern.HitObjects.Count() == 1)
{
// Generate a new pattern by placing on the previous column, cycling back to the end if there is no "previous"
var pattern = new Pattern();
int targetColumn = lastColumn - 1;
if (targetColumn == RandomStart - 1)
{
targetColumn = TotalColumns - 1;
StairType = PatternType.Stair;
}
addToPattern(pattern, targetColumn);
return pattern;
}
if ((convertType & PatternType.KeepSingle) > 0)
return generateRandomNotes(1);
if ((convertType & PatternType.Mirror) > 0)
{
if (ConversionDifficulty > 6.5)
return generateRandomPatternWithMirrored(0.12, 0.38, 0.12);
if (ConversionDifficulty > 4)
return generateRandomPatternWithMirrored(0.12, 0.17, 0);
return generateRandomPatternWithMirrored(0.12, 0, 0);
}
if (ConversionDifficulty > 6.5)
{
if ((convertType & PatternType.LowProbability) > 0)
return generateRandomPattern(0.78, 0.42, 0, 0);
return generateRandomPattern(1, 0.62, 0, 0);
}
if (ConversionDifficulty > 4)
{
if ((convertType & PatternType.LowProbability) > 0)
return generateRandomPattern(0.35, 0.08, 0, 0);
return generateRandomPattern(0.52, 0.15, 0, 0);
}
if (ConversionDifficulty > 2)
{
if ((convertType & PatternType.LowProbability) > 0)
return generateRandomPattern(0.18, 0, 0, 0);
return generateRandomPattern(0.45, 0, 0, 0);
}
return generateRandomPattern(0, 0, 0, 0);
}
/// <summary>
/// Generates random notes.
/// <para>
/// This will generate as many as it can up to <paramref name="noteCount"/>, accounting for
/// any stacks if <see cref="convertType"/> is forcing no stacks.
/// </para>
/// </summary>
/// <param name="noteCount">The amount of notes to generate.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateRandomNotes(int noteCount)
{
var pattern = new Pattern();
bool allowStacking = (convertType & PatternType.ForceNotStack) == 0;
if (!allowStacking)
noteCount = Math.Min(noteCount, TotalColumns - RandomStart - PreviousPattern.ColumnWithObjects);
int nextColumn = GetColumn((HitObject as IHasXPosition)?.X ?? 0, true);
for (int i = 0; i < noteCount; i++)
{
while (pattern.ColumnHasObject(nextColumn) || PreviousPattern.ColumnHasObject(nextColumn) && !allowStacking)
{
if ((convertType & PatternType.Gathered) > 0)
{
nextColumn++;
if (nextColumn == TotalColumns)
nextColumn = RandomStart;
}
else
nextColumn = Random.Next(RandomStart, TotalColumns);
}
addToPattern(pattern, nextColumn);
}
return pattern;
}
/// <summary>
/// Whether this hit object can generate a note in the special column.
/// </summary>
private bool hasSpecialColumn => HitObject.Samples.Any(s => s.Name == SampleInfo.HIT_CLAP) && HitObject.Samples.Any(s => s.Name == SampleInfo.HIT_FINISH);
/// <summary>
/// Generates a random pattern.
/// </summary>
/// <param name="p2">Probability for 2 notes to be generated.</param>
/// <param name="p3">Probability for 3 notes to be generated.</param>
/// <param name="p4">Probability for 4 notes to be generated.</param>
/// <param name="p5">Probability for 5 notes to be generated.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateRandomPattern(double p2, double p3, double p4, double p5)
{
var pattern = new Pattern();
pattern.Add(generateRandomNotes(getRandomNoteCount(p2, p3, p4, p5)));
if (RandomStart > 0 && hasSpecialColumn)
addToPattern(pattern, 0);
return pattern;
}
/// <summary>
/// Generates a random pattern which has both normal and mirrored notes.
/// </summary>
/// <param name="centreProbability">The probability for a note to be added to the centre column.</param>
/// <param name="p2">Probability for 2 notes to be generated.</param>
/// <param name="p3">Probability for 3 notes to be generated.</param>
/// <returns>The <see cref="Pattern"/> containing the hit objects.</returns>
private Pattern generateRandomPatternWithMirrored(double centreProbability, double p2, double p3)
{
var pattern = new Pattern();
bool addToCentre;
int noteCount = getRandomNoteCountMirrored(centreProbability, p2, p3, out addToCentre);
int columnLimit = (TotalColumns % 2 == 0 ? TotalColumns : TotalColumns - 1) / 2;
int nextColumn = Random.Next(RandomStart, columnLimit);
for (int i = 0; i < noteCount; i++)
{
while (pattern.ColumnHasObject(nextColumn))
nextColumn = Random.Next(RandomStart, columnLimit);
// Add normal note
addToPattern(pattern, nextColumn);
// Add mirrored note
addToPattern(pattern, RandomStart + TotalColumns - nextColumn - 1);
}
if (addToCentre)
addToPattern(pattern, TotalColumns / 2);
if (RandomStart > 0 && hasSpecialColumn)
addToPattern(pattern, 0);
return pattern;
}
/// <summary>
/// Generates a count of notes to be generated from a list of probabilities.
/// </summary>
/// <param name="p2">Probability for 2 notes to be generated.</param>
/// <param name="p3">Probability for 3 notes to be generated.</param>
/// <param name="p4">Probability for 4 notes to be generated.</param>
/// <param name="p5">Probability for 5 notes to be generated.</param>
/// <returns>The amount of notes to be generated.</returns>
private int getRandomNoteCount(double p2, double p3, double p4, double p5)
{
switch (TotalColumns)
{
case 2:
p2 = 0;
p3 = 0;
p4 = 0;
p5 = 0;
break;
case 3:
p2 = Math.Min(p2, 0.1);
p3 = 0;
p4 = 0;
p5 = 0;
break;
case 4:
p2 = Math.Min(p2, 0.23);
p3 = Math.Min(p3, 0.04);
p4 = 0;
p5 = 0;
break;
case 5:
p3 = Math.Min(p3, 0.15);
p4 = Math.Min(p4, 0.03);
p5 = 0;
break;
}
if (HitObject.Samples.Any(s => s.Name == SampleInfo.HIT_CLAP))
p2 = 1;
return GetRandomNoteCount(p2, p3, p4, p5);
}
/// <summary>
/// Generates a count of notes to be generated from a list of probabilities.
/// </summary>
/// <param name="centreProbability">The probability for a note to be added to the centre column.</param>
/// <param name="p2">Probability for 2 notes to be generated.</param>
/// <param name="p3">Probability for 3 notes to be generated.</param>
/// <param name="addToCentre">Whether to add a note to the centre column.</param>
/// <returns>The amount of notes to be generated. The note to be added to the centre column will NOT be part of this count.</returns>
private int getRandomNoteCountMirrored(double centreProbability, double p2, double p3, out bool addToCentre)
{
addToCentre = false;
if ((convertType & PatternType.ForceNotStack) > 0)
return getRandomNoteCount(p2 / 2, p2, (p2 + p3) / 2, p3);
switch (TotalColumns)
{
case 2:
centreProbability = 0;
p2 = 0;
p3 = 0;
break;
case 3:
centreProbability = Math.Min(centreProbability, 0.03);
p2 = 0;
p3 = 0;
break;
case 4:
centreProbability = 0;
p2 = Math.Min(p2 * 2, 0.2);
p3 = 0;
break;
case 5:
centreProbability = Math.Min(centreProbability, 0.03);
p3 = 0;
break;
case 6:
centreProbability = 0;
p2 = Math.Min(p2 * 2, 0.5);
p3 = Math.Min(p3 * 2, 0.15);
break;
}
double centreVal = Random.NextDouble();
int noteCount = GetRandomNoteCount(p2, p3);
addToCentre = TotalColumns % 2 != 0 && noteCount != 3 && centreVal > 1 - centreProbability;
return noteCount;
}
/// <summary>
/// Constructs and adds a note to a pattern.
/// </summary>
/// <param name="pattern">The pattern to add to.</param>
/// <param name="column">The column to add the note to.</param>
private void addToPattern(Pattern pattern, int column)
{
pattern.Add(new Note
{
StartTime = HitObject.StartTime,
Samples = HitObject.Samples,
Column = column
});
}
}
}

246
osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/PatternGenerator.cs
View File

@ -1,123 +1,123 @@
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Linq;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Mania.MathUtils;
using osu.Game.Rulesets.Objects;
using OpenTK;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
{
/// <summary>
/// A pattern generator for legacy hit objects.
/// </summary>
internal abstract class PatternGenerator : Patterns.PatternGenerator
{
/// <summary>
/// The column index at which to start generating random notes.
/// </summary>
protected readonly int RandomStart;
/// <summary>
/// The random number generator to use.
/// </summary>
protected readonly FastRandom Random;
/// <summary>
/// The beatmap which <see cref="HitObject"/> is being converted from.
/// </summary>
protected readonly Beatmap OriginalBeatmap;
protected PatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, Beatmap originalBeatmap)
: base(hitObject, beatmap, previousPattern)
{
if (random == null) throw new ArgumentNullException(nameof(random));
if (originalBeatmap == null) throw new ArgumentNullException(nameof(originalBeatmap));
Random = random;
OriginalBeatmap = originalBeatmap;
RandomStart = TotalColumns == 8 ? 1 : 0;
}
/// <summary>
/// Converts an x-position into a column.
/// </summary>
/// <param name="position">The x-position.</param>
/// <param name="allowSpecial">Whether to treat as 7K + 1.</param>
/// <returns>The column.</returns>
protected int GetColumn(float position, bool allowSpecial = false)
{
if (allowSpecial && TotalColumns == 8)
{
const float local_x_divisor = 512f / 7;
return MathHelper.Clamp((int)Math.Floor(position / local_x_divisor), 0, 6) + 1;
}
float localXDivisor = 512f / TotalColumns;
return MathHelper.Clamp((int)Math.Floor(position / localXDivisor), 0, TotalColumns - 1);
}
/// <summary>
/// Generates a count of notes to be generated from probabilities.
/// </summary>
/// <param name="p2">Probability for 2 notes to be generated.</param>
/// <param name="p3">Probability for 3 notes to be generated.</param>
/// <param name="p4">Probability for 4 notes to be generated.</param>
/// <param name="p5">Probability for 5 notes to be generated.</param>
/// <param name="p6">Probability for 6 notes to be generated.</param>
/// <returns>The amount of notes to be generated.</returns>
protected int GetRandomNoteCount(double p2, double p3, double p4 = 0, double p5 = 0, double p6 = 0)
{
if (p2 < 0 || p2 > 1) throw new ArgumentOutOfRangeException(nameof(p2));
if (p3 < 0 || p3 > 1) throw new ArgumentOutOfRangeException(nameof(p3));
if (p4 < 0 || p4 > 1) throw new ArgumentOutOfRangeException(nameof(p4));
if (p5 < 0 || p5 > 1) throw new ArgumentOutOfRangeException(nameof(p5));
if (p6 < 0 || p6 > 1) throw new ArgumentOutOfRangeException(nameof(p6));
double val = Random.NextDouble();
if (val >= 1 - p6)
return 6;
if (val >= 1 - p5)
return 5;
if (val >= 1 - p4)
return 4;
if (val >= 1 - p3)
return 3;
return val >= 1 - p2 ? 2 : 1;
}
private double? conversionDifficulty;
/// <summary>
/// A difficulty factor used for various conversion methods from osu!stable.
/// </summary>
protected double ConversionDifficulty
{
get
{
if (conversionDifficulty != null)
return conversionDifficulty.Value;
HitObject lastObject = OriginalBeatmap.HitObjects.LastOrDefault();
HitObject firstObject = OriginalBeatmap.HitObjects.FirstOrDefault();
double drainTime = (lastObject?.StartTime ?? 0) - (firstObject?.StartTime ?? 0);
drainTime -= OriginalBeatmap.TotalBreakTime;
if (drainTime == 0)
drainTime = 10000000;
// We need this in seconds
drainTime /= 1000;
BeatmapDifficulty difficulty = OriginalBeatmap.BeatmapInfo.BaseDifficulty;
conversionDifficulty = ((difficulty.DrainRate + MathHelper.Clamp(difficulty.ApproachRate, 4, 7)) / 1.5 + OriginalBeatmap.HitObjects.Count / drainTime * 9f) / 38f * 5f / 1.15;
conversionDifficulty = Math.Min(conversionDifficulty.Value, 12);
return conversionDifficulty.Value;
}
}
}
}
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
using System.Linq;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Mania.MathUtils;
using osu.Game.Rulesets.Objects;
using OpenTK;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
{
/// <summary>
/// A pattern generator for legacy hit objects.
/// </summary>
internal abstract class PatternGenerator : Patterns.PatternGenerator
{
/// <summary>
/// The column index at which to start generating random notes.
/// </summary>
protected readonly int RandomStart;
/// <summary>
/// The random number generator to use.
/// </summary>
protected readonly FastRandom Random;
/// <summary>
/// The beatmap which <see cref="HitObject"/> is being converted from.
/// </summary>
protected readonly Beatmap OriginalBeatmap;
protected PatternGenerator(FastRandom random, HitObject hitObject, ManiaBeatmap beatmap, Pattern previousPattern, Beatmap originalBeatmap)
: base(hitObject, beatmap, previousPattern)
{
if (random == null) throw new ArgumentNullException(nameof(random));
if (originalBeatmap == null) throw new ArgumentNullException(nameof(originalBeatmap));
Random = random;
OriginalBeatmap = originalBeatmap;
RandomStart = TotalColumns == 8 ? 1 : 0;
}
/// <summary>
/// Converts an x-position into a column.
/// </summary>
/// <param name="position">The x-position.</param>
/// <param name="allowSpecial">Whether to treat as 7K + 1.</param>
/// <returns>The column.</returns>
protected int GetColumn(float position, bool allowSpecial = false)
{
if (allowSpecial && TotalColumns == 8)
{
const float local_x_divisor = 512f / 7;
return MathHelper.Clamp((int)Math.Floor(position / local_x_divisor), 0, 6) + 1;
}
float localXDivisor = 512f / TotalColumns;
return MathHelper.Clamp((int)Math.Floor(position / localXDivisor), 0, TotalColumns - 1);
}
/// <summary>
/// Generates a count of notes to be generated from probabilities.
/// </summary>
/// <param name="p2">Probability for 2 notes to be generated.</param>
/// <param name="p3">Probability for 3 notes to be generated.</param>
/// <param name="p4">Probability for 4 notes to be generated.</param>
/// <param name="p5">Probability for 5 notes to be generated.</param>
/// <param name="p6">Probability for 6 notes to be generated.</param>
/// <returns>The amount of notes to be generated.</returns>
protected int GetRandomNoteCount(double p2, double p3, double p4 = 0, double p5 = 0, double p6 = 0)
{
if (p2 < 0 || p2 > 1) throw new ArgumentOutOfRangeException(nameof(p2));
if (p3 < 0 || p3 > 1) throw new ArgumentOutOfRangeException(nameof(p3));
if (p4 < 0 || p4 > 1) throw new ArgumentOutOfRangeException(nameof(p4));
if (p5 < 0 || p5 > 1) throw new ArgumentOutOfRangeException(nameof(p5));
if (p6 < 0 || p6 > 1) throw new ArgumentOutOfRangeException(nameof(p6));
double val = Random.NextDouble();
if (val >= 1 - p6)
return 6;
if (val >= 1 - p5)
return 5;
if (val >= 1 - p4)
return 4;
if (val >= 1 - p3)
return 3;
return val >= 1 - p2 ? 2 : 1;
}
private double? conversionDifficulty;
/// <summary>
/// A difficulty factor used for various conversion methods from osu!stable.
/// </summary>
protected double ConversionDifficulty
{
get
{
if (conversionDifficulty != null)
return conversionDifficulty.Value;
HitObject lastObject = OriginalBeatmap.HitObjects.LastOrDefault();
HitObject firstObject = OriginalBeatmap.HitObjects.FirstOrDefault();
double drainTime = (lastObject?.StartTime ?? 0) - (firstObject?.StartTime ?? 0);
drainTime -= OriginalBeatmap.TotalBreakTime;
if (drainTime == 0)
drainTime = 10000000;
// We need this in seconds
drainTime /= 1000;
BeatmapDifficulty difficulty = OriginalBeatmap.BeatmapInfo.BaseDifficulty;
conversionDifficulty = ((difficulty.DrainRate + MathHelper.Clamp(difficulty.ApproachRate, 4, 7)) / 1.5 + OriginalBeatmap.HitObjects.Count / drainTime * 9f) / 38f * 5f / 1.15;
conversionDifficulty = Math.Min(conversionDifficulty.Value, 12);
return conversionDifficulty.Value;
}
}
}
}

130
osu.Game.Rulesets.Mania/Beatmaps/Patterns/Legacy/PatternType.cs
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@ -1,65 +1,65 @@
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
{
/// <summary>
/// The type of pattern to generate. Used for legacy patterns.
/// </summary>
[Flags]
internal enum PatternType
{
None = 0,
/// <summary>
/// Keep the same as last row.
/// </summary>
ForceStack = 1 << 0,
/// <summary>
/// Keep different from last row.
/// </summary>
ForceNotStack = 1 << 1,
/// <summary>
/// Keep as single note at its original position.
/// </summary>
KeepSingle = 1 << 2,
/// <summary>
/// Use a lower random value.
/// </summary>
LowProbability = 1 << 3,
/// <summary>
/// Reserved.
/// </summary>
Alternate = 1 << 4,
/// <summary>
/// Ignore the repeat count.
/// </summary>
ForceSigSlider = 1 << 5,
/// <summary>
/// Convert slider to circle.
/// </summary>
ForceNotSlider = 1 << 6,
/// <summary>
/// Notes gathered together.
/// </summary>
Gathered = 1 << 7,
Mirror = 1 << 8,
/// <summary>
/// Change 0 -> 6.
/// </summary>
Reverse = 1 << 9,
/// <summary>
/// 1 -> 5 -> 1 -> 5 like reverse.
/// </summary>
Cycle = 1 << 10,
/// <summary>
/// Next note will be at column + 1.
/// </summary>
Stair = 1 << 11,
/// <summary>
/// Next note will be at column - 1.
/// </summary>
ReverseStair = 1 << 12
}
}
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using System;
namespace osu.Game.Rulesets.Mania.Beatmaps.Patterns.Legacy
{
/// <summary>
/// The type of pattern to generate. Used for legacy patterns.
/// </summary>
[Flags]
internal enum PatternType
{
None = 0,
/// <summary>
/// Keep the same as last row.
/// </summary>
ForceStack = 1 << 0,
/// <summary>
/// Keep different from last row.
/// </summary>
ForceNotStack = 1 << 1,
/// <summary>
/// Keep as single note at its original position.
/// </summary>
KeepSingle = 1 << 2,
/// <summary>
/// Use a lower random value.
/// </summary>
LowProbability = 1 << 3,
/// <summary>
/// Reserved.
/// </summary>
Alternate = 1 << 4,
/// <summary>
/// Ignore the repeat count.
/// </summary>
ForceSigSlider = 1 << 5,
/// <summary>
/// Convert slider to circle.
/// </summary>
ForceNotSlider = 1 << 6,
/// <summary>
/// Notes gathered together.
/// </summary>
Gathered = 1 << 7,
Mirror = 1 << 8,
/// <summary>
/// Change 0 -> 6.
/// </summary>
Reverse = 1 << 9,
/// <summary>
/// 1 -> 5 -> 1 -> 5 like reverse.
/// </summary>
Cycle = 1 << 10,
/// <summary>
/// Next note will be at column + 1.
/// </summary>
Stair = 1 << 11,
/// <summary>
/// Next note will be at column - 1.
/// </summary>
ReverseStair = 1 << 12
}
}