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Slightly optimise and de-branch rhythm pattern recognition

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This commit is contained in:
Bartłomiej Dach 2020-08-18 19:47:36 +02:00
parent d7ff3d77eb
commit ce0e5cf9a1
1 changed files with 16 additions and 15 deletions
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25
osu.Game.Rulesets.Taiko/Difficulty/Skills/Rhythm.cs
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@ -38,28 +38,29 @@ namespace osu.Game.Rulesets.Taiko.Difficulty.Skills
{ {
for (int start = rhythmHistory.Count - l - 1; start >= 0; start--) for (int start = rhythmHistory.Count - l - 1; start >= 0; start--)
{ {
bool samePattern = true; if (!samePattern(start, l))
continue;
for (int i = 0; i < l; i++)
{
if (rhythmHistory[start + i].Rhythm != rhythmHistory[rhythmHistory.Count - l + i].Rhythm)
{
samePattern = false;
}
}
if (samePattern) // Repetition found!
{
int notesSince = hitobject.ObjectIndex - rhythmHistory[start].ObjectIndex; int notesSince = hitobject.ObjectIndex - rhythmHistory[start].ObjectIndex;
penalty *= repetitionPenalty(notesSince); penalty *= repetitionPenalty(notesSince);
break; break;
} }
} }
}
return penalty; return penalty;
} }
private bool samePattern(int start, int l)
{
for (int i = 0; i < l; i++)
{
if (rhythmHistory[start + i].Rhythm != rhythmHistory[rhythmHistory.Count - l + i].Rhythm)
return false;
}
return true;
}
private double patternLengthPenalty(int patternLength) private double patternLengthPenalty(int patternLength)
{ {
double shortPatternPenalty = Math.Min(0.15 * patternLength, 1.0); double shortPatternPenalty = Math.Min(0.15 * patternLength, 1.0);