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)
{
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;
}
if (!convertType.HasFlagFast(PatternType.KeepSingle))
{
if (HitObject.Samples.Any(s => s.Name == HitSampleInfo.HIT_FINISH) && TotalColumns != 8)
{
convertType |= PatternType.Mirror;
}
else if (HitObject.Samples.Any(s => s.Name == HitSampleInfo.HIT_CLAP))
{
convertType |= PatternType.Gathered;
}
}
}
private Pattern generate()
{
if (TotalColumns == 1)
{
var pattern = new Pattern();
addToPattern(pattern, 0, StartTime, EndTime);
return(pattern);
}
if (SpanCount > 1)
{
if (SegmentDuration <= 90)
{
return(generateRandomHoldNotes(StartTime, 1));
}
if (SegmentDuration <= 120)
{
convertType |= PatternType.ForceNotStack;
return(generateRandomNotes(StartTime, SpanCount + 1));
}
if (SegmentDuration <= 160)
{
return(generateStair(StartTime));
}
if (SegmentDuration <= 200 && ConversionDifficulty > 3)
{
return(generateRandomMultipleNotes(StartTime));
}
double duration = EndTime - StartTime;
if (duration >= 4000)
{
return(generateNRandomNotes(StartTime, 0.23, 0, 0));
}
if (SegmentDuration > 400 && SpanCount < TotalColumns - 1 - RandomStart)
{
return(generateTiledHoldNotes(StartTime));
}
return(generateHoldAndNormalNotes(StartTime));
}
if (SegmentDuration <= 110)
{
if (PreviousPattern.ColumnWithObjects < TotalColumns)
{
convertType |= PatternType.ForceNotStack;
}
else
{
convertType &= ~PatternType.ForceNotStack;
}
return(generateRandomNotes(StartTime, SegmentDuration < 80 ? 1 : 2));
}
if (ConversionDifficulty > 6.5)
{
if (convertType.HasFlagFast(PatternType.LowProbability))
{
return(generateNRandomNotes(StartTime, 0.78, 0.3, 0));
}
return(generateNRandomNotes(StartTime, 0.85, 0.36, 0.03));
}
if (ConversionDifficulty > 4)
{
if (convertType.HasFlagFast(PatternType.LowProbability))
{
return(generateNRandomNotes(StartTime, 0.43, 0.08, 0));
}
return(generateNRandomNotes(StartTime, 0.56, 0.18, 0));
}
if (ConversionDifficulty > 2.5)
{
if (convertType.HasFlagFast(PatternType.LowProbability))
{
return(generateNRandomNotes(StartTime, 0.3, 0, 0));
}
return(generateNRandomNotes(StartTime, 0.37, 0.08, 0));
}
if (convertType.HasFlagFast(PatternType.LowProbability))
{
return(generateNRandomNotes(StartTime, 0.17, 0, 0));
}
return(generateNRandomNotes(StartTime, 0.27, 0, 0));
}