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osu-lazer/osu.Game/Rulesets/Difficulty/DifficultyAttributes.cs
2023-06-28 16:15:44 +09:00

113 lines
4.6 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.Collections.Generic;
using Newtonsoft.Json;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Scoring;
namespace osu.Game.Rulesets.Difficulty
{
/// <summary>
/// Describes the difficulty of a beatmap, as output by a <see cref="DifficultyCalculator"/>.
/// </summary>
[JsonObject(MemberSerialization.OptIn)]
public class DifficultyAttributes
{
protected const int ATTRIB_ID_AIM = 1;
protected const int ATTRIB_ID_SPEED = 3;
protected const int ATTRIB_ID_OVERALL_DIFFICULTY = 5;
protected const int ATTRIB_ID_APPROACH_RATE = 7;
protected const int ATTRIB_ID_MAX_COMBO = 9;
protected const int ATTRIB_ID_DIFFICULTY = 11;
protected const int ATTRIB_ID_GREAT_HIT_WINDOW = 13;
protected const int ATTRIB_ID_SCORE_MULTIPLIER = 15;
protected const int ATTRIB_ID_FLASHLIGHT = 17;
protected const int ATTRIB_ID_SLIDER_FACTOR = 19;
protected const int ATTRIB_ID_SPEED_NOTE_COUNT = 21;
protected const int ATTRIB_ID_LEGACY_ACCURACY_SCORE = 23;
protected const int ATTRIB_ID_LEGACY_COMBO_SCORE = 25;
protected const int ATTRIB_ID_LEGACY_BONUS_SCORE_RATIO = 27;
/// <summary>
/// The mods which were applied to the beatmap.
/// </summary>
public Mod[] Mods { get; set; } = Array.Empty<Mod>();
/// <summary>
/// The combined star rating of all skills.
/// </summary>
[JsonProperty("star_rating", Order = -3)]
public double StarRating { get; set; }
/// <summary>
/// The maximum achievable combo.
/// </summary>
[JsonProperty("max_combo", Order = -2)]
public int MaxCombo { get; set; }
/// <summary>
/// The accuracy portion of the legacy (ScoreV1) total score.
/// </summary>
public int LegacyAccuracyScore { get; set; }
/// <summary>
/// The combo-multiplied portion of the legacy (ScoreV1) total score.
/// </summary>
public int LegacyComboScore { get; set; }
/// <summary>
/// A ratio of <c>new_bonus_score / old_bonus_score</c> for converting the bonus score of legacy scores to the new scoring.
/// This is made up of all judgements that would be <see cref="HitResult.SmallBonus"/> or <see cref="HitResult.LargeBonus"/>.
/// </summary>
public double LegacyBonusScoreRatio { get; set; }
/// <summary>
/// Creates new <see cref="DifficultyAttributes"/>.
/// </summary>
public DifficultyAttributes()
{
}
/// <summary>
/// Creates new <see cref="DifficultyAttributes"/>.
/// </summary>
/// <param name="mods">The mods which were applied to the beatmap.</param>
/// <param name="starRating">The combined star rating of all skills.</param>
public DifficultyAttributes(Mod[] mods, double starRating)
{
Mods = mods;
StarRating = starRating;
}
/// <summary>
/// Converts this <see cref="DifficultyAttributes"/> to osu-web compatible database attribute mappings.
/// </summary>
/// <remarks>
/// See: osu_difficulty_attribs table.
/// </remarks>
public virtual IEnumerable<(int attributeId, object value)> ToDatabaseAttributes()
{
yield return (ATTRIB_ID_MAX_COMBO, MaxCombo);
yield return (ATTRIB_ID_LEGACY_ACCURACY_SCORE, LegacyAccuracyScore);
yield return (ATTRIB_ID_LEGACY_COMBO_SCORE, LegacyComboScore);
yield return (ATTRIB_ID_LEGACY_BONUS_SCORE_RATIO, LegacyBonusScoreRatio);
}
/// <summary>
/// Reads osu-web database attribute mappings into this <see cref="DifficultyAttributes"/> object.
/// </summary>
/// <param name="values">The attribute mappings.</param>
/// <param name="onlineInfo">The <see cref="IBeatmapOnlineInfo"/> where more information about the beatmap may be extracted from (such as AR/CS/OD/etc).</param>
public virtual void FromDatabaseAttributes(IReadOnlyDictionary<int, double> values, IBeatmapOnlineInfo onlineInfo)
{
MaxCombo = (int)values[ATTRIB_ID_MAX_COMBO];
LegacyAccuracyScore = (int)values[ATTRIB_ID_LEGACY_ACCURACY_SCORE];
LegacyComboScore = (int)values[ATTRIB_ID_LEGACY_COMBO_SCORE];
LegacyBonusScoreRatio = (int)values[ATTRIB_ID_LEGACY_BONUS_SCORE_RATIO];
}
}
}