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Code Issues Releases Wiki Activity

Reimplement as extension method on IBeatmap

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Implementation has changed slightly to support arbitrary levels of
nested hitobjects.
This commit is contained in:
Dan Balasescu 2022-02-16 12:05:55 +09:00
parent 74a55ead77
commit 215da7e933
2 changed files with 25 additions and 16 deletions
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17
osu.Game.Rulesets.Osu/Difficulty/OsuDifficultyCalculator.cs
View File

@ -9,7 +9,6 @@ using osu.Game.Rulesets.Difficulty;
using osu.Game.Rulesets.Difficulty.Preprocessing;
using osu.Game.Rulesets.Difficulty.Skills;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Osu.Difficulty.Preprocessing;
using osu.Game.Rulesets.Osu.Difficulty.Skills;
using osu.Game.Rulesets.Osu.Mods;
@ -62,21 +61,7 @@ namespace osu.Game.Rulesets.Osu.Difficulty
double preempt = IBeatmapDifficultyInfo.DifficultyRange(beatmap.Difficulty.ApproachRate, 1800, 1200, 450) / clockRate;
double drainRate = beatmap.Difficulty.DrainRate;
int maxCombo = 0;
void countCombo(HitObject ho)
{
if (ho.CreateJudgement().MaxResult.AffectsCombo())
maxCombo++;
}
foreach (HitObject ho in beatmap.HitObjects)
{
countCombo(ho);
foreach (HitObject nested in ho.NestedHitObjects)
countCombo(nested);
}
int maxCombo = beatmap.GetMaxCombo();
int hitCirclesCount = beatmap.HitObjects.Count(h => h is HitCircle);
int sliderCount = beatmap.HitObjects.Count(h => h is Slider);

24
osu.Game/Beatmaps/IBeatmap.cs
View File

@ -5,6 +5,7 @@ using System.Collections.Generic;
using osu.Game.Beatmaps.ControlPoints;
using osu.Game.Beatmaps.Timing;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Scoring;
namespace osu.Game.Beatmaps
{
@ -70,4 +71,27 @@ namespace osu.Game.Beatmaps
/// </summary>
new IReadOnlyList<T> HitObjects { get; }
}
public static class BeatmapExtensions
{
/// <summary>
/// Finds the maximum achievable combo by hitting all <see cref="HitObject"/>s in a beatmap.
/// </summary>
public static int GetMaxCombo(this IBeatmap beatmap)
{
int combo = 0;
foreach (var h in beatmap.HitObjects)
addCombo(h, ref combo);
return combo;
static void addCombo(HitObject hitObject, ref int combo)
{
if (hitObject.CreateJudgement().MaxResult.AffectsCombo())
combo++;
foreach (var nested in hitObject.NestedHitObjects)
addCombo(nested, ref combo);
}
}
}
}