From 4da78a8c009c4f2b0c5a254c923d194046b0c5c9 Mon Sep 17 00:00:00 2001 From: tsunyoku Date: Tue, 24 Sep 2024 10:06:07 +0100 Subject: [PATCH] make speed bonuses additive, scale distanceBonus --- .../Difficulty/Evaluators/SpeedEvaluator.cs | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/osu.Game.Rulesets.Osu/Difficulty/Evaluators/SpeedEvaluator.cs b/osu.Game.Rulesets.Osu/Difficulty/Evaluators/SpeedEvaluator.cs index 37fd11391c..4dbc3d9a23 100644 --- a/osu.Game.Rulesets.Osu/Difficulty/Evaluators/SpeedEvaluator.cs +++ b/osu.Game.Rulesets.Osu/Difficulty/Evaluators/SpeedEvaluator.cs @@ -13,6 +13,7 @@ public static class SpeedEvaluator private const double single_spacing_threshold = 125; // 1.25 circles distance between centers private const double min_speed_bonus = 75; // ~200BPM private const double speed_balancing_factor = 40; + private const double distance_multiplier = 0.95; /// /// Evaluates the difficulty of tapping the current object, based on: @@ -51,11 +52,11 @@ public static double EvaluateDifficultyOf(DifficultyHitObject current) strainTime /= Math.Clamp((strainTime / osuCurrObj.HitWindowGreat) / 0.93, 0.92, 1); // speedBonus will be 1.0 for BPM < 200 - double speedBonus = 1.0; + double speedBonus = 0.0; // Add additional scaling bonus for streams/bursts higher than 200bpm if (strainTime < min_speed_bonus) - speedBonus = 1 + 0.75 * Math.Pow((min_speed_bonus - strainTime) / speed_balancing_factor, 2); + speedBonus = 0.75 * Math.Pow((min_speed_bonus - strainTime) / speed_balancing_factor, 2); double travelDistance = osuPrevObj?.TravelDistance ?? 0; double distance = travelDistance + osuCurrObj.MinimumJumpDistance; @@ -64,10 +65,10 @@ public static double EvaluateDifficultyOf(DifficultyHitObject current) distance = Math.Min(distance, single_spacing_threshold); // Max distance bonus is 2 at single_spacing_threshold - double distanceBonus = 1 + Math.Pow(distance / single_spacing_threshold, 3.5); + double distanceBonus = Math.Pow(distance / single_spacing_threshold, 3.75) * distance_multiplier; // Base difficulty with all bonuses - double difficulty = speedBonus * distanceBonus * 1000 / strainTime; + double difficulty = (1 + speedBonus + distanceBonus) * 1000 / strainTime; // Apply penalty if there's doubletappable doubles return difficulty * doubletapness;