osu/osu.Game/Rulesets/Difficulty/PerformanceCalculator.cs

42 lines
1.2 KiB
C#

// 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 System;
using System.Linq;
using osu.Framework.Audio.Track;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Game.Rulesets.Mods;
using osu.Game.Scoring;
namespace osu.Game.Rulesets.Difficulty
{
public abstract class PerformanceCalculator
{
protected readonly DifficultyAttributes Attributes;
protected readonly Ruleset Ruleset;
protected readonly ScoreInfo Score;
protected double TimeRate { get; private set; } = 1;
protected PerformanceCalculator(Ruleset ruleset, DifficultyAttributes attributes, ScoreInfo score)
{
Ruleset = ruleset;
Score = score;
Attributes = attributes ?? throw new ArgumentNullException(nameof(attributes));
ApplyMods(score.Mods);
}
protected virtual void ApplyMods(Mod[] mods)
{
var track = new TrackVirtual(10000);
mods.OfType<IApplicableToTrack>().ForEach(m => m.ApplyToTrack(track));
TimeRate = track.Rate;
}
public abstract PerformanceAttributes Calculate();
}
}