mirror of https://github.com/ppy/osu
87 lines
3.2 KiB
C#
87 lines
3.2 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using System.Collections.Generic;
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using Newtonsoft.Json;
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using osu.Game.Beatmaps;
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using osu.Game.Rulesets.Mods;
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namespace osu.Game.Rulesets.Difficulty
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{
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/// <summary>
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/// Describes the difficulty of a beatmap, as output by a <see cref="DifficultyCalculator"/>.
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/// </summary>
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[JsonObject(MemberSerialization.OptIn)]
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public class DifficultyAttributes
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{
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protected const int ATTRIB_ID_AIM = 1;
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protected const int ATTRIB_ID_SPEED = 3;
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protected const int ATTRIB_ID_OVERALL_DIFFICULTY = 5;
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protected const int ATTRIB_ID_APPROACH_RATE = 7;
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protected const int ATTRIB_ID_MAX_COMBO = 9;
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protected const int ATTRIB_ID_DIFFICULTY = 11;
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protected const int ATTRIB_ID_GREAT_HIT_WINDOW = 13;
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protected const int ATTRIB_ID_SCORE_MULTIPLIER = 15;
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protected const int ATTRIB_ID_FLASHLIGHT = 17;
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protected const int ATTRIB_ID_SLIDER_FACTOR = 19;
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protected const int ATTRIB_ID_SPEED_NOTE_COUNT = 21;
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/// <summary>
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/// The mods which were applied to the beatmap.
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/// </summary>
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public Mod[] Mods { get; set; } = Array.Empty<Mod>();
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/// <summary>
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/// The combined star rating of all skills.
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/// </summary>
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[JsonProperty("star_rating", Order = -3)]
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public double StarRating { get; set; }
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/// <summary>
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/// The maximum achievable combo.
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/// </summary>
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[JsonProperty("max_combo", Order = -2)]
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public int MaxCombo { get; set; }
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/// <summary>
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/// Creates new <see cref="DifficultyAttributes"/>.
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/// </summary>
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public DifficultyAttributes()
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{
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}
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/// <summary>
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/// Creates new <see cref="DifficultyAttributes"/>.
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/// </summary>
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/// <param name="mods">The mods which were applied to the beatmap.</param>
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/// <param name="starRating">The combined star rating of all skills.</param>
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public DifficultyAttributes(Mod[] mods, double starRating)
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{
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Mods = mods;
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StarRating = starRating;
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}
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/// <summary>
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/// Converts this <see cref="DifficultyAttributes"/> to osu-web compatible database attribute mappings.
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/// </summary>
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/// <remarks>
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/// See: osu_difficulty_attribs table.
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/// </remarks>
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public virtual IEnumerable<(int attributeId, object value)> ToDatabaseAttributes()
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{
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yield return (ATTRIB_ID_MAX_COMBO, MaxCombo);
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}
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/// <summary>
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/// Reads osu-web database attribute mappings into this <see cref="DifficultyAttributes"/> object.
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/// </summary>
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/// <param name="values">The attribute mappings.</param>
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/// <param name="onlineInfo">The <see cref="IBeatmapOnlineInfo"/> where more information about the beatmap may be extracted from (such as AR/CS/OD/etc).</param>
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public virtual void FromDatabaseAttributes(IReadOnlyDictionary<int, double> values, IBeatmapOnlineInfo onlineInfo)
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{
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MaxCombo = (int)values[ATTRIB_ID_MAX_COMBO];
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}
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}
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}
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