Merge branch 'master' into no-scope-catch

This commit is contained in:
ekrctb
2021-11-10 20:50:31 +09:00
committed by GitHub
283 changed files with 2862 additions and 1684 deletions

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@ -54,7 +54,9 @@ namespace osu.Game.Rulesets.Osu.Difficulty
if (mods.Any(h => h is OsuModRelax))
{
effectiveMissCount += countOk + countMeh;
// As we're adding Oks and Mehs to an approximated number of combo breaks the result can be higher than total hits in specific scenarios (which breaks some calculations) so we need to clamp it.
effectiveMissCount = Math.Min(effectiveMissCount + countOk + countMeh, totalHits);
multiplier *= 0.6;
}
@ -109,13 +111,11 @@ namespace osu.Game.Rulesets.Osu.Difficulty
double approachRateFactor = 0.0;
if (Attributes.ApproachRate > 10.33)
approachRateFactor = Attributes.ApproachRate - 10.33;
approachRateFactor = 0.3 * (Attributes.ApproachRate - 10.33);
else if (Attributes.ApproachRate < 8.0)
approachRateFactor = 0.025 * (8.0 - Attributes.ApproachRate);
approachRateFactor = 0.1 * (8.0 - Attributes.ApproachRate);
double approachRateTotalHitsFactor = 1.0 / (1.0 + Math.Exp(-(0.007 * (totalHits - 400))));
double approachRateBonus = 1.0 + (0.03 + 0.37 * approachRateTotalHitsFactor) * approachRateFactor;
aimValue *= 1.0 + approachRateFactor * lengthBonus; // Buff for longer maps with high AR.
if (mods.Any(m => m is OsuModBlinds))
aimValue *= 1.3 + (totalHits * (0.0016 / (1 + 2 * effectiveMissCount)) * Math.Pow(accuracy, 16)) * (1 - 0.003 * Attributes.DrainRate * Attributes.DrainRate);
@ -125,10 +125,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
aimValue *= 1.0 + 0.04 * (12.0 - Attributes.ApproachRate);
}
aimValue *= approachRateBonus;
// Scale the aim value with accuracy _slightly_.
aimValue *= 0.5 + accuracy / 2.0;
aimValue *= accuracy;
// It is important to also consider accuracy difficulty when doing that.
aimValue *= 0.98 + Math.Pow(Attributes.OverallDifficulty, 2) / 2500;
@ -154,11 +151,9 @@ namespace osu.Game.Rulesets.Osu.Difficulty
double approachRateFactor = 0.0;
if (Attributes.ApproachRate > 10.33)
approachRateFactor = Attributes.ApproachRate - 10.33;
approachRateFactor = 0.3 * (Attributes.ApproachRate - 10.33);
double approachRateTotalHitsFactor = 1.0 / (1.0 + Math.Exp(-(0.007 * (totalHits - 400))));
speedValue *= 1.0 + (0.03 + 0.37 * approachRateTotalHitsFactor) * approachRateFactor;
speedValue *= 1.0 + approachRateFactor * lengthBonus; // Buff for longer maps with high AR.
if (mods.Any(m => m is OsuModBlinds))
{
@ -255,7 +250,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
private int calculateEffectiveMissCount()
{
// guess the number of misses + slider breaks from combo
// Guess the number of misses + slider breaks from combo
double comboBasedMissCount = 0.0;
if (Attributes.SliderCount > 0)
@ -265,7 +260,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
comboBasedMissCount = fullComboThreshold / Math.Max(1.0, scoreMaxCombo);
}
// we're clamping misscount because since its derived from combo it can be higher than total hits and that breaks some calculations
// Clamp misscount since it's derived from combo and can be higher than total hits and that breaks some calculations
comboBasedMissCount = Math.Min(comboBasedMissCount, totalHits);
return Math.Max(countMiss, (int)Math.Floor(comboBasedMissCount));

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@ -2,7 +2,6 @@
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Linq;
using osu.Game.Rulesets.Difficulty.Preprocessing;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Osu.Objects;
@ -14,6 +13,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Preprocessing
{
private const int normalized_radius = 50; // Change radius to 50 to make 100 the diameter. Easier for mental maths.
private const int min_delta_time = 25;
private const float maximum_slider_radius = normalized_radius * 2.4f;
private const float assumed_slider_radius = normalized_radius * 1.65f;
protected new OsuHitObject BaseObject => (OsuHitObject)base.BaseObject;
@ -89,7 +90,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Preprocessing
if (lastObject is Slider lastSlider)
{
computeSliderCursorPosition(lastSlider);
TravelDistance = lastSlider.LazyTravelDistance * scalingFactor;
TravelDistance = lastSlider.LazyTravelDistance;
TravelTime = Math.Max(lastSlider.LazyTravelTime / clockRate, min_delta_time);
MovementTime = Math.Max(StrainTime - TravelTime, min_delta_time);
@ -99,7 +100,9 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Preprocessing
// For hitobjects which continue in the direction of the slider, the player will normally follow through the slider,
// such that they're not jumping from the lazy position but rather from very close to (or the end of) the slider.
// In such cases, a leniency is applied by also considering the jump distance from the tail of the slider, and taking the minimum jump distance.
MovementDistance = Math.Min(JumpDistance, tailJumpDistance);
// Additional distance is removed based on position of jump relative to slider follow circle radius.
// JumpDistance is the leniency distance beyond the assumed_slider_radius. tailJumpDistance is maximum_slider_radius since the full distance of radial leniency is still possible.
MovementDistance = Math.Max(0, Math.Min(JumpDistance - (maximum_slider_radius - assumed_slider_radius), tailJumpDistance - maximum_slider_radius));
}
else
{
@ -126,37 +129,60 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Preprocessing
if (slider.LazyEndPosition != null)
return;
slider.LazyEndPosition = slider.StackedPosition;
slider.LazyTravelTime = slider.NestedHitObjects[^1].StartTime - slider.StartTime;
float followCircleRadius = (float)(slider.Radius * 2.4);
var computeVertex = new Action<double>(t =>
double endTimeMin = slider.LazyTravelTime / slider.SpanDuration;
if (endTimeMin % 2 >= 1)
endTimeMin = 1 - endTimeMin % 1;
else
endTimeMin %= 1;
slider.LazyEndPosition = slider.StackedPosition + slider.Path.PositionAt(endTimeMin); // temporary lazy end position until a real result can be derived.
var currCursorPosition = slider.StackedPosition;
double scalingFactor = normalized_radius / slider.Radius; // lazySliderDistance is coded to be sensitive to scaling, this makes the maths easier with the thresholds being used.
for (int i = 1; i < slider.NestedHitObjects.Count; i++)
{
double progress = (t - slider.StartTime) / slider.SpanDuration;
if (progress % 2 >= 1)
progress = 1 - progress % 1;
else
progress %= 1;
var currMovementObj = (OsuHitObject)slider.NestedHitObjects[i];
// ReSharper disable once PossibleInvalidOperationException (bugged in current r# version)
var diff = slider.StackedPosition + slider.Path.PositionAt(progress) - slider.LazyEndPosition.Value;
float dist = diff.Length;
Vector2 currMovement = Vector2.Subtract(currMovementObj.StackedPosition, currCursorPosition);
double currMovementLength = scalingFactor * currMovement.Length;
slider.LazyTravelTime = t - slider.StartTime;
// Amount of movement required so that the cursor position needs to be updated.
double requiredMovement = assumed_slider_radius;
if (dist > followCircleRadius)
if (i == slider.NestedHitObjects.Count - 1)
{
// The cursor would be outside the follow circle, we need to move it
diff.Normalize(); // Obtain direction of diff
dist -= followCircleRadius;
slider.LazyEndPosition += diff * dist;
slider.LazyTravelDistance += dist;
}
});
// The end of a slider has special aim rules due to the relaxed time constraint on position.
// There is both a lazy end position as well as the actual end slider position. We assume the player takes the simpler movement.
// For sliders that are circular, the lazy end position may actually be farther away than the sliders true end.
// This code is designed to prevent buffing situations where lazy end is actually a less efficient movement.
Vector2 lazyMovement = Vector2.Subtract((Vector2)slider.LazyEndPosition, currCursorPosition);
// Skip the head circle
var scoringTimes = slider.NestedHitObjects.Skip(1).Select(t => t.StartTime);
foreach (double time in scoringTimes)
computeVertex(time);
if (lazyMovement.Length < currMovement.Length)
currMovement = lazyMovement;
currMovementLength = scalingFactor * currMovement.Length;
}
else if (currMovementObj is SliderRepeat)
{
// For a slider repeat, assume a tighter movement threshold to better assess repeat sliders.
requiredMovement = normalized_radius;
}
if (currMovementLength > requiredMovement)
{
// this finds the positional delta from the required radius and the current position, and updates the currCursorPosition accordingly, as well as rewarding distance.
currCursorPosition = Vector2.Add(currCursorPosition, Vector2.Multiply(currMovement, (float)((currMovementLength - requiredMovement) / currMovementLength)));
currMovementLength *= (currMovementLength - requiredMovement) / currMovementLength;
slider.LazyTravelDistance += (float)currMovementLength;
}
if (i == slider.NestedHitObjects.Count - 1)
slider.LazyEndPosition = currCursorPosition;
}
slider.LazyTravelDistance *= (float)Math.Pow(1 + slider.RepeatCount / 2.5, 1.0 / 2.5); // Bonus for repeat sliders until a better per nested object strain system can be achieved.
}
private Vector2 getEndCursorPosition(OsuHitObject hitObject)

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@ -23,8 +23,10 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
private const double wide_angle_multiplier = 1.5;
private const double acute_angle_multiplier = 2.0;
private const double slider_multiplier = 1.5;
private const double velocity_change_multiplier = 0.75;
private double currentStrain = 1;
private double currentStrain;
private double skillMultiplier => 23.25;
private double strainDecayBase => 0.15;
@ -61,7 +63,11 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
prevVelocity = Math.Max(prevVelocity, movementVelocity + travelVelocity);
}
double angleBonus = 0;
double wideAngleBonus = 0;
double acuteAngleBonus = 0;
double sliderBonus = 0;
double velocityChangeBonus = 0;
double aimStrain = currVelocity; // Start strain with regular velocity.
if (Math.Max(osuCurrObj.StrainTime, osuLastObj.StrainTime) < 1.25 * Math.Min(osuCurrObj.StrainTime, osuLastObj.StrainTime)) // If rhythms are the same.
@ -73,10 +79,10 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
double lastLastAngle = osuLastLastObj.Angle.Value;
// Rewarding angles, take the smaller velocity as base.
angleBonus = Math.Min(currVelocity, prevVelocity);
double angleBonus = Math.Min(currVelocity, prevVelocity);
double wideAngleBonus = calcWideAngleBonus(currAngle);
double acuteAngleBonus = calcAcuteAngleBonus(currAngle);
wideAngleBonus = calcWideAngleBonus(currAngle);
acuteAngleBonus = calcAcuteAngleBonus(currAngle);
if (osuCurrObj.StrainTime > 100) // Only buff deltaTime exceeding 300 bpm 1/2.
acuteAngleBonus = 0;
@ -88,14 +94,48 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
* Math.Pow(Math.Sin(Math.PI / 2 * (Math.Clamp(osuCurrObj.JumpDistance, 50, 100) - 50) / 50), 2); // Buff distance exceeding 50 (radius) up to 100 (diameter).
}
wideAngleBonus *= angleBonus * (1 - Math.Min(wideAngleBonus, Math.Pow(calcWideAngleBonus(lastAngle), 3))); // Penalize wide angles if they're repeated, reducing the penalty as the lastAngle gets more acute.
acuteAngleBonus *= 0.5 + 0.5 * (1 - Math.Min(acuteAngleBonus, Math.Pow(calcAcuteAngleBonus(lastLastAngle), 3))); // Penalize acute angles if they're repeated, reducing the penalty as the lastLastAngle gets more obtuse.
angleBonus = acuteAngleBonus * acute_angle_multiplier + wideAngleBonus * wide_angle_multiplier; // add the angle buffs together.
// Penalize wide angles if they're repeated, reducing the penalty as the lastAngle gets more acute.
wideAngleBonus *= angleBonus * (1 - Math.Min(wideAngleBonus, Math.Pow(calcWideAngleBonus(lastAngle), 3)));
// Penalize acute angles if they're repeated, reducing the penalty as the lastLastAngle gets more obtuse.
acuteAngleBonus *= 0.5 + 0.5 * (1 - Math.Min(acuteAngleBonus, Math.Pow(calcAcuteAngleBonus(lastLastAngle), 3)));
}
}
aimStrain += angleBonus; // Add in angle bonus.
if (Math.Max(prevVelocity, currVelocity) != 0)
{
// We want to use the average velocity over the whole object when awarding differences, not the individual jump and slider path velocities.
prevVelocity = (osuLastObj.JumpDistance + osuLastObj.TravelDistance) / osuLastObj.StrainTime;
currVelocity = (osuCurrObj.JumpDistance + osuCurrObj.TravelDistance) / osuCurrObj.StrainTime;
// Scale with ratio of difference compared to 0.5 * max dist.
double distRatio = Math.Pow(Math.Sin(Math.PI / 2 * Math.Abs(prevVelocity - currVelocity) / Math.Max(prevVelocity, currVelocity)), 2);
// Reward for % distance up to 125 / strainTime for overlaps where velocity is still changing.
double overlapVelocityBuff = Math.Min(125 / Math.Min(osuCurrObj.StrainTime, osuLastObj.StrainTime), Math.Abs(prevVelocity - currVelocity));
// Reward for % distance slowed down compared to previous, paying attention to not award overlap
double nonOverlapVelocityBuff = Math.Abs(prevVelocity - currVelocity)
// do not award overlap
* Math.Pow(Math.Sin(Math.PI / 2 * Math.Min(1, Math.Min(osuCurrObj.JumpDistance, osuLastObj.JumpDistance) / 100)), 2);
// Choose the largest bonus, multiplied by ratio.
velocityChangeBonus = Math.Max(overlapVelocityBuff, nonOverlapVelocityBuff) * distRatio;
// Penalize for rhythm changes.
velocityChangeBonus *= Math.Pow(Math.Min(osuCurrObj.StrainTime, osuLastObj.StrainTime) / Math.Max(osuCurrObj.StrainTime, osuLastObj.StrainTime), 2);
}
if (osuCurrObj.TravelTime != 0)
{
// Reward sliders based on velocity.
sliderBonus = osuCurrObj.TravelDistance / osuCurrObj.TravelTime;
}
// Add in acute angle bonus or wide angle bonus + velocity change bonus, whichever is larger.
aimStrain += Math.Max(acuteAngleBonus * acute_angle_multiplier, wideAngleBonus * wide_angle_multiplier + velocityChangeBonus * velocity_change_multiplier);
// Add in additional slider velocity bonus.
aimStrain += sliderBonus * slider_multiplier;
return aimStrain;
}

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@ -23,7 +23,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
private double strainDecayBase => 0.15;
protected override double DecayWeight => 1.0;
protected override int HistoryLength => 10; // Look back for 10 notes is added for the sake of flashlight calculations.
private double currentStrain = 1;
private double currentStrain;
private double strainValueOf(DifficultyHitObject current)
{

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@ -24,8 +24,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty.Skills
private double skillMultiplier => 1375;
private double strainDecayBase => 0.3;
private double currentStrain = 1;
private double currentRhythm = 1;
private double currentStrain;
private double currentRhythm;
protected override int ReducedSectionCount => 5;
protected override double DifficultyMultiplier => 1.04;

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@ -5,10 +5,10 @@ using System;
using System.Collections.Generic;
using System.Linq;
using osu.Game.Beatmaps;
using osu.Game.Online.API.Requests.Responses;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Osu.Replays;
using osu.Game.Scoring;
using osu.Game.Users;
namespace osu.Game.Rulesets.Osu.Mods
{
@ -18,7 +18,7 @@ namespace osu.Game.Rulesets.Osu.Mods
public override Score CreateReplayScore(IBeatmap beatmap, IReadOnlyList<Mod> mods) => new Score
{
ScoreInfo = new ScoreInfo { User = new User { Username = "Autoplay" } },
ScoreInfo = new ScoreInfo { User = new APIUser { Username = "Autoplay" } },
Replay = new OsuAutoGenerator(beatmap, mods).Generate()
};
}

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@ -5,11 +5,11 @@ using System;
using System.Collections.Generic;
using System.Linq;
using osu.Game.Beatmaps;
using osu.Game.Online.API.Requests.Responses;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Rulesets.Osu.Replays;
using osu.Game.Scoring;
using osu.Game.Users;
namespace osu.Game.Rulesets.Osu.Mods
{
@ -19,7 +19,7 @@ namespace osu.Game.Rulesets.Osu.Mods
public override Score CreateReplayScore(IBeatmap beatmap, IReadOnlyList<Mod> mods) => new Score
{
ScoreInfo = new ScoreInfo { User = new User { Username = "Autoplay" } },
ScoreInfo = new ScoreInfo { User = new APIUser { Username = "Autoplay" } },
Replay = new OsuAutoGenerator(beatmap, mods).Generate()
};
}