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osu-lazer/osu.Game/Skinning/LegacySkin.cs

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// 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.
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using System;
using System.Collections.Generic;
using System.Diagnostics;
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using System.IO;
using System.Linq;
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using JetBrains.Annotations;
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using osu.Framework.Audio.Sample;
using osu.Framework.Bindables;
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using osu.Framework.Graphics;
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using osu.Framework.Graphics.OpenGL.Textures;
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using osu.Framework.Graphics.Textures;
using osu.Framework.IO.Stores;
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using osu.Game.Audio;
using osu.Game.Beatmaps.Formats;
using osu.Game.IO;
using osu.Game.Rulesets.Objects.Types;
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using osu.Game.Rulesets.Scoring;
using osu.Game.Screens.Play;
using osu.Game.Screens.Play.HUD;
using osu.Game.Screens.Play.HUD.HitErrorMeters;
using osuTK.Graphics;
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namespace osu.Game.Skinning
{
public class LegacySkin : Skin
{
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[CanBeNull]
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protected TextureStore Textures;
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[CanBeNull]
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protected ISampleStore Samples;
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/// <summary>
/// Whether texture for the keys exists.
/// Used to determine if the mania ruleset is skinned.
/// </summary>
private readonly Lazy<bool> hasKeyTexture;
protected virtual bool AllowManiaSkin => hasKeyTexture.Value;
/// <summary>
/// Whether this skin can use samples with a custom bank (custom sample set in stable terminology).
/// Added in order to match sample lookup logic from stable (in stable, only the beatmap skin could use samples with a custom sample bank).
/// </summary>
protected virtual bool UseCustomSampleBanks => false;
private readonly Dictionary<int, LegacyManiaSkinConfiguration> maniaConfigurations = new Dictionary<int, LegacyManiaSkinConfiguration>();
[UsedImplicitly(ImplicitUseKindFlags.InstantiatedWithFixedConstructorSignature)]
public LegacySkin(SkinInfo skin, IStorageResourceProvider resources)
: this(skin, new LegacySkinResourceStore<SkinFileInfo>(skin, resources.Files), resources, "skin.ini")
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{
}
/// <summary>
/// Construct a new legacy skin instance.
/// </summary>
/// <param name="skin">The model for this skin.</param>
/// <param name="storage">A storage for looking up files within this skin using user-facing filenames.</param>
/// <param name="resources">Access to raw game resources.</param>
/// <param name="configurationFilename">The user-facing filename of the configuration file to be parsed. Can accept an .osu or skin.ini file.</param>
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protected LegacySkin(SkinInfo skin, [CanBeNull] IResourceStore<byte[]> storage, [CanBeNull] IStorageResourceProvider resources, string configurationFilename)
: this(skin, storage, resources, storage?.GetStream(configurationFilename))
{
}
/// <summary>
/// Construct a new legacy skin instance.
/// </summary>
/// <param name="skin">The model for this skin.</param>
/// <param name="storage">A storage for looking up files within this skin using user-facing filenames.</param>
/// <param name="resources">Access to raw game resources.</param>
/// <param name="configurationStream">An optional stream containing the contents of a skin.ini file.</param>
protected LegacySkin(SkinInfo skin, [CanBeNull] IResourceStore<byte[]> storage, [CanBeNull] IStorageResourceProvider resources, [CanBeNull] Stream configurationStream)
: base(skin, resources, configurationStream)
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{
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if (storage != null)
{
var samples = resources?.AudioManager?.GetSampleStore(storage);
if (samples != null)
samples.PlaybackConcurrency = OsuGameBase.SAMPLE_CONCURRENCY;
Samples = samples;
Textures = new TextureStore(resources?.CreateTextureLoaderStore(storage));
(storage as ResourceStore<byte[]>)?.AddExtension("ogg");
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}
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// todo: this shouldn't really be duplicated here (from ManiaLegacySkinTransformer). we need to come up with a better solution.
hasKeyTexture = new Lazy<bool>(() => this.GetAnimation(
lookupForMania<string>(new LegacyManiaSkinConfigurationLookup(4, LegacyManiaSkinConfigurationLookups.KeyImage, 0))?.Value ?? "mania-key1", true,
true) != null);
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}
protected override void ParseConfigurationStream(Stream stream)
{
base.ParseConfigurationStream(stream);
stream.Seek(0, SeekOrigin.Begin);
using (LineBufferedReader reader = new LineBufferedReader(stream))
{
var maniaList = new LegacyManiaSkinDecoder().Decode(reader);
foreach (var config in maniaList)
maniaConfigurations[config.Keys] = config;
}
}
public override IBindable<TValue> GetConfig<TLookup, TValue>(TLookup lookup)
{
switch (lookup)
{
case GlobalSkinColours colour:
switch (colour)
{
case GlobalSkinColours.ComboColours:
var comboColours = Configuration.ComboColours;
if (comboColours != null)
return SkinUtils.As<TValue>(new Bindable<IReadOnlyList<Color4>>(comboColours));
break;
default:
return SkinUtils.As<TValue>(getCustomColour(Configuration, colour.ToString()));
}
break;
case SkinComboColourLookup comboColour:
return SkinUtils.As<TValue>(GetComboColour(Configuration, comboColour.ColourIndex, comboColour.Combo));
case SkinCustomColourLookup customColour:
return SkinUtils.As<TValue>(getCustomColour(Configuration, customColour.Lookup.ToString()));
case LegacyManiaSkinConfigurationLookup maniaLookup:
if (!AllowManiaSkin)
break;
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var result = lookupForMania<TValue>(maniaLookup);
if (result != null)
return result;
break;
case SkinConfiguration.LegacySetting legacy:
return legacySettingLookup<TValue>(legacy);
default:
return genericLookup<TLookup, TValue>(lookup);
}
return null;
}
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private IBindable<TValue> lookupForMania<TValue>(LegacyManiaSkinConfigurationLookup maniaLookup)
{
if (!maniaConfigurations.TryGetValue(maniaLookup.Keys, out var existing))
maniaConfigurations[maniaLookup.Keys] = existing = new LegacyManiaSkinConfiguration(maniaLookup.Keys);
switch (maniaLookup.Lookup)
{
case LegacyManiaSkinConfigurationLookups.ColumnWidth:
Debug.Assert(maniaLookup.TargetColumn != null);
return SkinUtils.As<TValue>(new Bindable<float>(existing.ColumnWidth[maniaLookup.TargetColumn.Value]));
case LegacyManiaSkinConfigurationLookups.ColumnSpacing:
Debug.Assert(maniaLookup.TargetColumn != null);
return SkinUtils.As<TValue>(new Bindable<float>(existing.ColumnSpacing[maniaLookup.TargetColumn.Value]));
case LegacyManiaSkinConfigurationLookups.HitPosition:
return SkinUtils.As<TValue>(new Bindable<float>(existing.HitPosition));
case LegacyManiaSkinConfigurationLookups.ScorePosition:
return SkinUtils.As<TValue>(new Bindable<float>(existing.ScorePosition));
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case LegacyManiaSkinConfigurationLookups.LightPosition:
return SkinUtils.As<TValue>(new Bindable<float>(existing.LightPosition));
case LegacyManiaSkinConfigurationLookups.ShowJudgementLine:
return SkinUtils.As<TValue>(new Bindable<bool>(existing.ShowJudgementLine));
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case LegacyManiaSkinConfigurationLookups.ExplosionImage:
return SkinUtils.As<TValue>(getManiaImage(existing, "LightingN"));
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case LegacyManiaSkinConfigurationLookups.ExplosionScale:
Debug.Assert(maniaLookup.TargetColumn != null);
if (GetConfig<SkinConfiguration.LegacySetting, decimal>(SkinConfiguration.LegacySetting.Version)?.Value < 2.5m)
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return SkinUtils.As<TValue>(new Bindable<float>(1));
if (existing.ExplosionWidth[maniaLookup.TargetColumn.Value] != 0)
return SkinUtils.As<TValue>(new Bindable<float>(existing.ExplosionWidth[maniaLookup.TargetColumn.Value] / LegacyManiaSkinConfiguration.DEFAULT_COLUMN_SIZE));
return SkinUtils.As<TValue>(new Bindable<float>(existing.ColumnWidth[maniaLookup.TargetColumn.Value] / LegacyManiaSkinConfiguration.DEFAULT_COLUMN_SIZE));
case LegacyManiaSkinConfigurationLookups.ColumnLineColour:
return SkinUtils.As<TValue>(getCustomColour(existing, "ColourColumnLine"));
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case LegacyManiaSkinConfigurationLookups.JudgementLineColour:
return SkinUtils.As<TValue>(getCustomColour(existing, "ColourJudgementLine"));
case LegacyManiaSkinConfigurationLookups.ColumnBackgroundColour:
Debug.Assert(maniaLookup.TargetColumn != null);
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return SkinUtils.As<TValue>(getCustomColour(existing, $"Colour{maniaLookup.TargetColumn + 1}"));
case LegacyManiaSkinConfigurationLookups.ColumnLightColour:
Debug.Assert(maniaLookup.TargetColumn != null);
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return SkinUtils.As<TValue>(getCustomColour(existing, $"ColourLight{maniaLookup.TargetColumn + 1}"));
case LegacyManiaSkinConfigurationLookups.MinimumColumnWidth:
return SkinUtils.As<TValue>(new Bindable<float>(existing.MinimumColumnWidth));
case LegacyManiaSkinConfigurationLookups.NoteImage:
Debug.Assert(maniaLookup.TargetColumn != null);
return SkinUtils.As<TValue>(getManiaImage(existing, $"NoteImage{maniaLookup.TargetColumn}"));
case LegacyManiaSkinConfigurationLookups.HoldNoteHeadImage:
Debug.Assert(maniaLookup.TargetColumn != null);
return SkinUtils.As<TValue>(getManiaImage(existing, $"NoteImage{maniaLookup.TargetColumn}H"));
case LegacyManiaSkinConfigurationLookups.HoldNoteTailImage:
Debug.Assert(maniaLookup.TargetColumn != null);
return SkinUtils.As<TValue>(getManiaImage(existing, $"NoteImage{maniaLookup.TargetColumn}T"));
case LegacyManiaSkinConfigurationLookups.HoldNoteBodyImage:
Debug.Assert(maniaLookup.TargetColumn != null);
return SkinUtils.As<TValue>(getManiaImage(existing, $"NoteImage{maniaLookup.TargetColumn}L"));
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case LegacyManiaSkinConfigurationLookups.HoldNoteLightImage:
return SkinUtils.As<TValue>(getManiaImage(existing, "LightingL"));
case LegacyManiaSkinConfigurationLookups.HoldNoteLightScale:
Debug.Assert(maniaLookup.TargetColumn != null);
if (GetConfig<SkinConfiguration.LegacySetting, decimal>(SkinConfiguration.LegacySetting.Version)?.Value < 2.5m)
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return SkinUtils.As<TValue>(new Bindable<float>(1));
if (existing.HoldNoteLightWidth[maniaLookup.TargetColumn.Value] != 0)
return SkinUtils.As<TValue>(new Bindable<float>(existing.HoldNoteLightWidth[maniaLookup.TargetColumn.Value] / LegacyManiaSkinConfiguration.DEFAULT_COLUMN_SIZE));
return SkinUtils.As<TValue>(new Bindable<float>(existing.ColumnWidth[maniaLookup.TargetColumn.Value] / LegacyManiaSkinConfiguration.DEFAULT_COLUMN_SIZE));
case LegacyManiaSkinConfigurationLookups.KeyImage:
Debug.Assert(maniaLookup.TargetColumn != null);
return SkinUtils.As<TValue>(getManiaImage(existing, $"KeyImage{maniaLookup.TargetColumn}"));
case LegacyManiaSkinConfigurationLookups.KeyImageDown:
Debug.Assert(maniaLookup.TargetColumn != null);
return SkinUtils.As<TValue>(getManiaImage(existing, $"KeyImage{maniaLookup.TargetColumn}D"));
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case LegacyManiaSkinConfigurationLookups.LeftStageImage:
return SkinUtils.As<TValue>(getManiaImage(existing, "StageLeft"));
case LegacyManiaSkinConfigurationLookups.RightStageImage:
return SkinUtils.As<TValue>(getManiaImage(existing, "StageRight"));
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case LegacyManiaSkinConfigurationLookups.BottomStageImage:
return SkinUtils.As<TValue>(getManiaImage(existing, "StageBottom"));
case LegacyManiaSkinConfigurationLookups.LightImage:
return SkinUtils.As<TValue>(getManiaImage(existing, "StageLight"));
case LegacyManiaSkinConfigurationLookups.HitTargetImage:
return SkinUtils.As<TValue>(getManiaImage(existing, "StageHint"));
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case LegacyManiaSkinConfigurationLookups.LeftLineWidth:
Debug.Assert(maniaLookup.TargetColumn != null);
return SkinUtils.As<TValue>(new Bindable<float>(existing.ColumnLineWidth[maniaLookup.TargetColumn.Value]));
case LegacyManiaSkinConfigurationLookups.RightLineWidth:
Debug.Assert(maniaLookup.TargetColumn != null);
return SkinUtils.As<TValue>(new Bindable<float>(existing.ColumnLineWidth[maniaLookup.TargetColumn.Value + 1]));
case LegacyManiaSkinConfigurationLookups.Hit0:
case LegacyManiaSkinConfigurationLookups.Hit50:
case LegacyManiaSkinConfigurationLookups.Hit100:
case LegacyManiaSkinConfigurationLookups.Hit200:
case LegacyManiaSkinConfigurationLookups.Hit300:
case LegacyManiaSkinConfigurationLookups.Hit300g:
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return SkinUtils.As<TValue>(getManiaImage(existing, maniaLookup.Lookup.ToString()));
case LegacyManiaSkinConfigurationLookups.KeysUnderNotes:
return SkinUtils.As<TValue>(new Bindable<bool>(existing.KeysUnderNotes));
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}
return null;
}
/// <summary>
/// Retrieves the correct combo colour for a given colour index and information on the combo.
/// </summary>
/// <param name="source">The source to retrieve the combo colours from.</param>
/// <param name="colourIndex">The preferred index for retrieving the combo colour with.</param>
/// <param name="combo">Information on the combo whose using the returned colour.</param>
protected virtual IBindable<Color4> GetComboColour(IHasComboColours source, int colourIndex, IHasComboInformation combo)
{
var colour = source.ComboColours?[colourIndex % source.ComboColours.Count];
return colour.HasValue ? new Bindable<Color4>(colour.Value) : null;
}
private IBindable<Color4> getCustomColour(IHasCustomColours source, string lookup)
=> source.CustomColours.TryGetValue(lookup, out var col) ? new Bindable<Color4>(col) : null;
private IBindable<string> getManiaImage(LegacyManiaSkinConfiguration source, string lookup)
=> source.ImageLookups.TryGetValue(lookup, out string image) ? new Bindable<string>(image) : null;
[CanBeNull]
private IBindable<TValue> legacySettingLookup<TValue>(SkinConfiguration.LegacySetting legacySetting)
{
switch (legacySetting)
{
case SkinConfiguration.LegacySetting.Version:
return SkinUtils.As<TValue>(new Bindable<decimal>(Configuration.LegacyVersion ?? SkinConfiguration.LATEST_VERSION));
default:
return genericLookup<SkinConfiguration.LegacySetting, TValue>(legacySetting);
}
}
[CanBeNull]
private IBindable<TValue> genericLookup<TLookup, TValue>(TLookup lookup)
{
try
{
if (Configuration.ConfigDictionary.TryGetValue(lookup.ToString(), out string val))
{
// special case for handling skins which use 1 or 0 to signify a boolean state.
if (typeof(TValue) == typeof(bool))
val = val == "1" ? "true" : "false";
var bindable = new Bindable<TValue>();
if (val != null)
bindable.Parse(val);
return bindable;
}
}
catch
{
}
return null;
}
public override Drawable GetDrawableComponent(ISkinComponent component)
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{
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if (base.GetDrawableComponent(component) is Drawable c)
return c;
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switch (component)
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{
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case SkinnableTargetComponent target:
switch (target.Target)
{
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case SkinnableTarget.MainHUDComponents:
var skinnableTargetWrapper = new SkinnableTargetComponentsContainer(container =>
{
var score = container.OfType<LegacyScoreCounter>().FirstOrDefault();
var accuracy = container.OfType<GameplayAccuracyCounter>().FirstOrDefault();
var combo = container.OfType<LegacyComboCounter>().FirstOrDefault();
if (score != null && accuracy != null)
{
accuracy.Y = container.ToLocalSpace(score.ScreenSpaceDrawQuad.BottomRight).Y;
}
var songProgress = container.OfType<SongProgress>().FirstOrDefault();
var hitError = container.OfType<HitErrorMeter>().FirstOrDefault();
if (hitError != null)
{
hitError.Anchor = Anchor.BottomCentre;
hitError.Origin = Anchor.CentreLeft;
hitError.Rotation = -90;
}
if (songProgress != null)
{
if (hitError != null) hitError.Y -= SongProgress.MAX_HEIGHT;
if (combo != null) combo.Y -= SongProgress.MAX_HEIGHT;
}
})
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{
Children = this.HasFont(LegacyFont.Score)
? new Drawable[]
{
new LegacyComboCounter(),
new LegacyScoreCounter(),
new LegacyAccuracyCounter(),
new LegacyHealthDisplay(),
new SongProgress(),
new BarHitErrorMeter(),
}
: new Drawable[]
{
// TODO: these should fallback to using osu!classic skin textures, rather than doing this.
new DefaultComboCounter(),
new DefaultScoreCounter(),
new DefaultAccuracyCounter(),
new DefaultHealthDisplay(),
new SongProgress(),
new BarHitErrorMeter(),
}
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};
return skinnableTargetWrapper;
}
return null;
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case GameplaySkinComponent<HitResult> resultComponent:
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// TODO: this should be inside the judgement pieces.
Func<Drawable> createDrawable = () => getJudgementAnimation(resultComponent.Component);
// kind of wasteful that we throw this away, but should do for now.
if (createDrawable() != null)
{
var particle = getParticleTexture(resultComponent.Component);
if (particle != null)
return new LegacyJudgementPieceNew(resultComponent.Component, createDrawable, particle);
else
return new LegacyJudgementPieceOld(resultComponent.Component, createDrawable);
}
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break;
}
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return this.GetAnimation(component.LookupName, false, false);
}
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private Texture getParticleTexture(HitResult result)
{
switch (result)
{
case HitResult.Meh:
return GetTexture("particle50");
case HitResult.Ok:
return GetTexture("particle100");
case HitResult.Great:
return GetTexture("particle300");
}
return null;
}
private Drawable getJudgementAnimation(HitResult result)
{
switch (result)
{
case HitResult.Miss:
return this.GetAnimation("hit0", true, false);
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case HitResult.Meh:
return this.GetAnimation("hit50", true, false);
case HitResult.Ok:
return this.GetAnimation("hit100", true, false);
case HitResult.Great:
return this.GetAnimation("hit300", true, false);
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}
return null;
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}
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public override Texture GetTexture(string componentName, WrapMode wrapModeS, WrapMode wrapModeT)
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{
foreach (string name in getFallbackNames(componentName))
{
float ratio = 2;
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var texture = Textures?.Get($"{name}@2x", wrapModeS, wrapModeT);
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if (texture == null)
{
ratio = 1;
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texture = Textures?.Get(name, wrapModeS, wrapModeT);
}
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if (texture == null)
continue;
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texture.ScaleAdjust = ratio;
return texture;
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}
return null;
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}
public override ISample GetSample(ISampleInfo sampleInfo)
{
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IEnumerable<string> lookupNames;
if (sampleInfo is HitSampleInfo hitSample)
lookupNames = getLegacyLookupNames(hitSample);
else
{
lookupNames = sampleInfo.LookupNames.SelectMany(getFallbackNames);
}
foreach (string lookup in lookupNames)
{
var sample = Samples?.Get(lookup);
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if (sample != null)
{
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return sample;
}
}
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return null;
}
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private IEnumerable<string> getLegacyLookupNames(HitSampleInfo hitSample)
{
var lookupNames = hitSample.LookupNames.SelectMany(getFallbackNames);
if (!UseCustomSampleBanks && !string.IsNullOrEmpty(hitSample.Suffix))
{
// for compatibility with stable, exclude the lookup names with the custom sample bank suffix, if they are not valid for use in this skin.
// using .EndsWith() is intentional as it ensures parity in all edge cases
// (see LegacyTaikoSampleInfo for an example of one - prioritising the taiko prefix should still apply, but the sample bank should not).
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lookupNames = lookupNames.Where(name => !name.EndsWith(hitSample.Suffix, StringComparison.Ordinal));
}
foreach (string l in lookupNames)
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yield return l;
// also for compatibility, try falling back to non-bank samples (so-called "universal" samples) as the last resort.
// going forward specifying banks shall always be required, even for elements that wouldn't require it on stable,
// which is why this is done locally here.
yield return hitSample.Name;
}
private IEnumerable<string> getFallbackNames(string componentName)
{
// May be something like "Gameplay/osu/approachcircle" from lazer, or "Arrows/note1" from a user skin.
yield return componentName;
// Fall back to using the last piece for components coming from lazer (e.g. "Gameplay/osu/approachcircle" -> "approachcircle").
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yield return componentName.Split('/').Last();
}
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protected override void Dispose(bool isDisposing)
{
base.Dispose(isDisposing);
Textures?.Dispose();
Samples?.Dispose();
}
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}
}