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Make DifficultyCalculator support mod applications

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Fixes https://github.com/ppy/osu/issues/476.
This commit is contained in:
smoogipoo
2017-11-16 20:06:32 +09:00
parent f6bdfa9876
commit 62155e6dd5
11 changed files with 35 additions and 32 deletions
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37
osu.Game/Beatmaps/DifficultyCalculator.cs
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@ -3,6 +3,10 @@
using osu.Game.Rulesets.Objects;
using System.Collections.Generic;
using osu.Game.Rulesets.Mods;
using osu.Framework.Timing;
using System.Linq;
using osu.Framework.Extensions.IEnumerableExtensions;
namespace osu.Game.Beatmaps
{
@ -10,41 +14,44 @@ namespace osu.Game.Beatmaps
{
protected double TimeRate = 1;
protected abstract double CalculateInternal(Dictionary<string, string> categoryDifficulty);
private void loadTiming()
{
// TODO: Handle mods
const int audio_rate = 100;
TimeRate = audio_rate / 100.0;
}
public double Calculate(Dictionary<string, string> categoryDifficulty = null)
{
loadTiming();
double difficulty = CalculateInternal(categoryDifficulty);
return difficulty;
}
public abstract double Calculate(Dictionary<string, string> categoryDifficulty = null);
}
public abstract class DifficultyCalculator<T> : DifficultyCalculator where T : HitObject
{
protected readonly Beatmap Beatmap;
protected readonly Mod[] Mods;
protected List<T> Objects;
protected DifficultyCalculator(Beatmap beatmap)
: this(beatmap, null)
{
}
protected DifficultyCalculator(Beatmap beatmap, Mod[] mods)
{
Beatmap = beatmap;
Mods = mods ?? new Mod[0];
Objects = CreateBeatmapConverter().Convert(beatmap).HitObjects;
foreach (var h in Objects)
h.ApplyDefaults(beatmap.ControlPointInfo, beatmap.BeatmapInfo.BaseDifficulty);
ApplyMods(mods);
PreprocessHitObjects();
}
protected virtual void ApplyMods(Mod[] mods)
{
var clock = new StopwatchClock();
mods.OfType<IApplicableToClock>().ForEach(m => m.ApplyToClock(clock));
TimeRate = clock.Rate;
}
protected virtual void PreprocessHitObjects()
{
}