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Merge pull request #4878 from HoLLy-HaCKeR/expose-skills

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Expose skills in DifficultyAttributes
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Dean Herbert 2019-06-11 18:47:56 +09:00 committed by GitHub
commit 5c2c4f0ada
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 18 additions and 11 deletions
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5
osu.Game.Rulesets.Catch/Difficulty/CatchDifficultyCalculator.cs
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@ -31,7 +31,7 @@ namespace osu.Game.Rulesets.Catch.Difficulty
protected override DifficultyAttributes CreateDifficultyAttributes(IBeatmap beatmap, Mod[] mods, Skill[] skills, double clockRate)
{
if (beatmap.HitObjects.Count == 0)
return new CatchDifficultyAttributes { Mods = mods };
return new CatchDifficultyAttributes { Mods = mods, Skills = skills };
// this is the same as osu!, so there's potential to share the implementation... maybe
double preempt = BeatmapDifficulty.DifficultyRange(beatmap.BeatmapInfo.BaseDifficulty.ApproachRate, 1800, 1200, 450) / clockRate;
@ -41,7 +41,8 @@ namespace osu.Game.Rulesets.Catch.Difficulty
StarRating = Math.Sqrt(skills[0].DifficultyValue()) * star_scaling_factor,
Mods = mods,
ApproachRate = preempt > 1200.0 ? -(preempt - 1800.0) / 120.0 : -(preempt - 1200.0) / 150.0 + 5.0,
MaxCombo = beatmap.HitObjects.Count(h => h is Fruit) + beatmap.HitObjects.OfType<JuiceStream>().SelectMany(j => j.NestedHitObjects).Count(h => !(h is TinyDroplet))
MaxCombo = beatmap.HitObjects.Count(h => h is Fruit) + beatmap.HitObjects.OfType<JuiceStream>().SelectMany(j => j.NestedHitObjects).Count(h => !(h is TinyDroplet)),
Skills = skills
};
}

3
osu.Game.Rulesets.Mania/Difficulty/ManiaDifficultyCalculator.cs
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@ -30,7 +30,7 @@ namespace osu.Game.Rulesets.Mania.Difficulty
protected override DifficultyAttributes CreateDifficultyAttributes(IBeatmap beatmap, Mod[] mods, Skill[] skills, double clockRate)
{
if (beatmap.HitObjects.Count == 0)
return new ManiaDifficultyAttributes { Mods = mods };
return new ManiaDifficultyAttributes { Mods = mods, Skills = skills };
return new ManiaDifficultyAttributes
{
@ -38,6 +38,7 @@ namespace osu.Game.Rulesets.Mania.Difficulty
Mods = mods,
// Todo: This int cast is temporary to achieve 1:1 results with osu!stable, and should be removed in the future
GreatHitWindow = (int)(beatmap.HitObjects.First().HitWindows.Great / 2) / clockRate,
Skills = skills
};
}

5
osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs
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@ -28,7 +28,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
protected override DifficultyAttributes CreateDifficultyAttributes(IBeatmap beatmap, Mod[] mods, Skill[] skills, double clockRate)
{
if (beatmap.HitObjects.Count == 0)
return new OsuDifficultyAttributes { Mods = mods };
return new OsuDifficultyAttributes { Mods = mods, Skills = skills };
double aimRating = Math.Sqrt(skills[0].DifficultyValue()) * difficulty_multiplier;
double speedRating = Math.Sqrt(skills[1].DifficultyValue()) * difficulty_multiplier;
@ -50,7 +50,8 @@ namespace osu.Game.Rulesets.Osu.Difficulty
SpeedStrain = speedRating,
ApproachRate = preempt > 1200 ? (1800 - preempt) / 120 : (1200 - preempt) / 150 + 5,
OverallDifficulty = (80 - hitWindowGreat) / 6,
MaxCombo = maxCombo
MaxCombo = maxCombo,
Skills = skills
};
}

3
osu.Game.Rulesets.Taiko/Difficulty/TaikoDifficultyCalculator.cs
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@ -27,7 +27,7 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
protected override DifficultyAttributes CreateDifficultyAttributes(IBeatmap beatmap, Mod[] mods, Skill[] skills, double clockRate)
{
if (beatmap.HitObjects.Count == 0)
return new TaikoDifficultyAttributes { Mods = mods };
return new TaikoDifficultyAttributes { Mods = mods, Skills = skills };
return new TaikoDifficultyAttributes
{
@ -36,6 +36,7 @@ namespace osu.Game.Rulesets.Taiko.Difficulty
// Todo: This int cast is temporary to achieve 1:1 results with osu!stable, and should be removed in the future
GreatHitWindow = (int)(beatmap.HitObjects.First().HitWindows.Great / 2) / clockRate,
MaxCombo = beatmap.HitObjects.Count(h => h is Hit),
Skills = skills
};
}

5
osu.Game/Rulesets/Difficulty/DifficultyAttributes.cs
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@ -1,6 +1,7 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using osu.Game.Rulesets.Difficulty.Skills;
using osu.Game.Rulesets.Mods;
namespace osu.Game.Rulesets.Difficulty
@ -8,6 +9,7 @@ namespace osu.Game.Rulesets.Difficulty
public class DifficultyAttributes
{
public Mod[] Mods;
public Skill[] Skills;
public double StarRating;
@ -15,9 +17,10 @@ namespace osu.Game.Rulesets.Difficulty
{
}
public DifficultyAttributes(Mod[] mods, double starRating)
public DifficultyAttributes(Mod[] mods, Skill[] skills, double starRating)
{
Mods = mods;
Skills = skills;
StarRating = starRating;
}
}

8
osu.Game/Rulesets/Difficulty/Skills/Skill.cs
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@ -3,6 +3,7 @@
using System;
using System.Collections.Generic;
using System.Linq;
using osu.Game.Rulesets.Difficulty.Preprocessing;
using osu.Game.Rulesets.Difficulty.Utils;
@ -17,7 +18,7 @@ namespace osu.Game.Rulesets.Difficulty.Skills
/// <summary>
/// The peak strain for each <see cref="DifficultyCalculator.SectionLength"/> section of the beatmap.
/// </summary>
public IList<double> StrainPeaks => strainPeaks;
public IReadOnlyList<double> StrainPeaks => strainPeaks;
/// <summary>
/// Strain values are multiplied by this number for the given skill. Used to balance the value of different skills between each other.
@ -84,13 +85,12 @@ namespace osu.Game.Rulesets.Difficulty.Skills
/// </summary>
public double DifficultyValue()
{
strainPeaks.Sort((a, b) => b.CompareTo(a)); // Sort from highest to lowest strain.
double difficulty = 0;
double weight = 1;
// Difficulty is the weighted sum of the highest strains from every section.
foreach (double strain in strainPeaks)
// We're sorting from highest to lowest strain.
foreach (double strain in strainPeaks.OrderByDescending(d => d))
{
difficulty += strain * weight;
weight *= DecayWeight;