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

46 lines
1.4 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.Collections.Generic;
using System.Linq;
using osu.Framework.Audio.Track;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Game.Beatmaps;
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 IBeatmap Beatmap;
protected readonly ScoreInfo Score;
protected double TimeRate { get; private set; } = 1;
protected PerformanceCalculator(Ruleset ruleset, WorkingBeatmap beatmap, ScoreInfo score)
{
Ruleset = ruleset;
Score = score;
Beatmap = beatmap.GetPlayableBeatmap(ruleset.RulesetInfo, score.Mods);
Attributes = ruleset.CreateDifficultyCalculator(beatmap).Calculate(score.Mods);
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 double Calculate(Dictionary<string, double> categoryDifficulty = null);
}
}