// 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 System.Linq; using Newtonsoft.Json; using osu.Game.Beatmaps; using osu.Game.Rulesets.Mods; 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; /// <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> /// 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() => Enumerable.Empty<(int, object)>(); /// <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) { } } }