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Nerf linear spacings in osu!catch #37287

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Nerf linear spacings in osu!catch #37287

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24 changes: 24 additions & 0 deletions osu.Game.Rulesets.Catch/Difficulty/Evaluators/MovementEvaluator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,30 @@ public static double EvaluateDifficultyOf(DifficultyHitObject current)
/ (CatchDifficultyHitObject.NORMALIZED_HALF_CATCHER_WIDTH * 6) / sqrtStrain;
}

// Linear spacing nerf.
double linearSpacingCount = 0;

for (int i = 0; i < Math.Min(current.Index, 10); i++)
{
var catchPrevObj = (CatchDifficultyHitObject)catchCurrent.Previous(i);

// Only same direction movements matter as they do not take any additional inputs.
if (Math.Sign(catchCurrent.DistanceMoved) != Math.Sign(catchPrevObj.DistanceMoved) || catchCurrent.DistanceMoved == 0 || catchPrevObj.DistanceMoved == 0)
break;

double currentSpacing = Math.Abs(catchCurrent.DistanceMoved / catchCurrent.StrainTime);
double prevSpacing = Math.Abs(catchPrevObj.DistanceMoved / catchPrevObj.StrainTime);

double relativeDifference = Math.Abs(currentSpacing / prevSpacing - 1);

if (relativeDifference > 0.05)
break;

linearSpacingCount++;
}

distanceAddition *= Math.Pow(0.7, linearSpacingCount);

// Bonus for edge dashes.
if (catchCurrent.LastObject.DistanceToHyperDash <= 20.0f)
{
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