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Merge pull request #19716 from MBmasher/fl-grid

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Nerf repeated angles in Flashlight skill
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Dan Balasescu 2022-08-29 21:15:45 +09:00 committed by GitHub
commit e34c8e4975
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2 changed files with 16 additions and 1 deletions
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15
osu.Game.Rulesets.Osu/Difficulty/Evaluators/FlashlightEvaluator.cs
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@ -18,11 +18,14 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
private const double min_velocity = 0.5;
private const double slider_multiplier = 1.3;
private const double min_angle_multiplier = 0.2;
/// <summary>
/// Evaluates the difficulty of memorising and hitting an object, based on:
/// <list type="bullet">
/// <item><description>distance between a number of previous objects and the current object,</description></item>
/// <item><description>the visual opacity of the current object,</description></item>
/// <item><description>the angle made by the current object,</description></item>
/// <item><description>length and speed of the current object (for sliders),</description></item>
/// <item><description>and whether the hidden mod is enabled.</description></item>
/// </list>
@ -43,6 +46,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
OsuDifficultyHitObject lastObj = osuCurrent;
double angleRepeatCount = 0.0;
// This is iterating backwards in time from the current object.
for (int i = 0; i < Math.Min(current.Index, 10); i++)
{
@ -66,6 +71,13 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
double opacityBonus = 1.0 + max_opacity_bonus * (1.0 - osuCurrent.OpacityAt(currentHitObject.StartTime, hidden));
result += stackNerf * opacityBonus * scalingFactor * jumpDistance / cumulativeStrainTime;
if (currentObj.Angle != null && osuCurrent.Angle != null)
{
// Objects further back in time should count less for the nerf.
if (Math.Abs(currentObj.Angle.Value - osuCurrent.Angle.Value) < 0.02)
angleRepeatCount += Math.Max(1.0 - 0.1 * i, 0.0);
}
}
lastObj = currentObj;
@ -77,6 +89,9 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Evaluators
if (hidden)
result *= 1.0 + hidden_bonus;
// Nerf patterns with repeated angles.
result *= min_angle_multiplier + (1.0 - min_angle_multiplier) / (angleRepeatCount + 1.0);
double sliderBonus = 0.0;
if (osuCurrent.BaseObject is Slider osuSlider)

2
osu.Game.Rulesets.Osu/Difficulty/Skills/Flashlight.cs
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@ -26,7 +26,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
hasHiddenMod = mods.Any(m => m is OsuModHidden);
}
private double skillMultiplier => 0.05;
private double skillMultiplier => 0.052;
private double strainDecayBase => 0.15;
private double currentStrain;