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osu-lazer/osu.Game/Rulesets/Ruleset.cs
2019-02-18 14:49:43 +09:00

142 lines
6.2 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.Collections.Generic;
using System.Linq;
using osu.Framework.Graphics;
using osu.Framework.Input.Bindings;
using osu.Game.Beatmaps;
using osu.Game.Graphics;
using osu.Game.Overlays.Settings;
using osu.Game.Rulesets.Edit;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Replays.Types;
using osu.Game.Rulesets.UI;
using osu.Game.Beatmaps.Legacy;
using osu.Game.Configuration;
using osu.Game.Rulesets.Configuration;
using osu.Game.Rulesets.Difficulty;
using osu.Game.Scoring;
namespace osu.Game.Rulesets
{
public abstract class Ruleset
{
public readonly RulesetInfo RulesetInfo;
public IEnumerable<Mod> GetAllMods() => Enum.GetValues(typeof(ModType)).Cast<ModType>()
// Confine all mods of each mod type into a single IEnumerable<Mod>
.SelectMany(GetModsFor)
// Filter out all null mods
.Where(mod => mod != null)
// Resolve MultiMods as their .Mods property
.SelectMany(mod => (mod as MultiMod)?.Mods ?? new[] { mod });
public abstract IEnumerable<Mod> GetModsFor(ModType type);
/// <summary>
/// Converts mods from legacy enum values. Do not override if you're not a legacy ruleset.
/// </summary>
/// <param name="mods">The legacy enum which will be converted</param>
/// <returns>An enumerable of constructed <see cref="Mod"/>s</returns>
public virtual IEnumerable<Mod> ConvertLegacyMods(LegacyMods mods) => new Mod[] { };
public Mod GetAutoplayMod() => GetAllMods().First(mod => mod is ModAutoplay);
protected Ruleset(RulesetInfo rulesetInfo = null)
{
RulesetInfo = rulesetInfo ?? createRulesetInfo();
}
/// <summary>
/// Attempt to create a hit renderer for a beatmap
/// </summary>
/// <param name="beatmap">The beatmap to create the hit renderer for.</param>
/// <exception cref="BeatmapInvalidForRulesetException">Unable to successfully load the beatmap to be usable with this ruleset.</exception>
/// <returns></returns>
public abstract RulesetContainer CreateRulesetContainerWith(WorkingBeatmap beatmap);
/// <summary>
/// Creates a <see cref="IBeatmapConverter"/> to convert a <see cref="IBeatmap"/> to one that is applicable for this <see cref="Ruleset"/>.
/// </summary>
/// <param name="beatmap">The <see cref="IBeatmap"/> to be converted.</param>
/// <returns>The <see cref="IBeatmapConverter"/>.</returns>
public abstract IBeatmapConverter CreateBeatmapConverter(IBeatmap beatmap);
/// <summary>
/// Optionally creates a <see cref="IBeatmapProcessor"/> to alter a <see cref="IBeatmap"/> after it has been converted.
/// </summary>
/// <param name="beatmap">The <see cref="IBeatmap"/> to be processed.</param>
/// <returns>The <see cref="IBeatmapProcessor"/>.</returns>
public virtual IBeatmapProcessor CreateBeatmapProcessor(IBeatmap beatmap) => null;
public abstract LegacyDifficultyCalculator CreateDifficultyCalculator(WorkingBeatmap beatmap);
public virtual PerformanceCalculator CreatePerformanceCalculator(WorkingBeatmap beatmap, ScoreInfo score) => null;
public virtual HitObjectComposer CreateHitObjectComposer() => null;
public virtual Drawable CreateIcon() => new SpriteIcon { Icon = FontAwesome.fa_question_circle };
public abstract string Description { get; }
public virtual RulesetSettingsSubsection CreateSettings() => null;
/// <summary>
/// Creates the <see cref="IRulesetConfigManager"/> for this <see cref="Ruleset"/>.
/// </summary>
/// <param name="settings">The <see cref="SettingsStore"/> to store the settings.</param>
public virtual IRulesetConfigManager CreateConfig(SettingsStore settings) => null;
/// <summary>
/// Do not override this unless you are a legacy mode.
/// </summary>
public virtual int? LegacyID => null;
/// <summary>
/// A unique short name to reference this ruleset in online requests.
/// </summary>
public abstract string ShortName { get; }
/// <summary>
/// A list of available variant ids.
/// </summary>
public virtual IEnumerable<int> AvailableVariants => new[] { 0 };
/// <summary>
/// Get a list of default keys for the specified variant.
/// </summary>
/// <param name="variant">A variant.</param>
/// <returns>A list of valid <see cref="KeyBinding"/>s.</returns>
public virtual IEnumerable<KeyBinding> GetDefaultKeyBindings(int variant = 0) => new KeyBinding[] { };
/// <summary>
/// Gets the name for a key binding variant. This is used for display in the settings overlay.
/// </summary>
/// <param name="variant">The variant.</param>
/// <returns>A descriptive name of the variant.</returns>
public virtual string GetVariantName(int variant) => string.Empty;
/// <summary>
/// For rulesets which support legacy (osu-stable) replay conversion, this method will create an empty replay frame
/// for conversion use.
/// </summary>
/// <returns>An empty frame for the current ruleset, or null if unsupported.</returns>
public virtual IConvertibleReplayFrame CreateConvertibleReplayFrame() => null;
/// <summary>
/// Create a ruleset info based on this ruleset.
/// </summary>
/// <returns>A filled <see cref="RulesetInfo"/>.</returns>
private RulesetInfo createRulesetInfo() => new RulesetInfo
{
Name = Description,
ShortName = ShortName,
InstantiationInfo = GetType().AssemblyQualifiedName,
ID = LegacyID,
Available = true
};
}
}