mirror of https://github.com/ppy/osu
73 lines
3.1 KiB
C#
73 lines
3.1 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 osu.Game.Audio;
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namespace osu.Game.Rulesets.Taiko.Skinning.Argon
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{
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public class VolumeAwareHitSampleInfo : HitSampleInfo
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{
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public const int SAMPLE_VOLUME_THRESHOLD_HARD = 90;
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public const int SAMPLE_VOLUME_THRESHOLD_MEDIUM = 60;
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public VolumeAwareHitSampleInfo(HitSampleInfo sampleInfo, bool isStrong = false)
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: base(sampleInfo.Name, isStrong ? BANK_STRONG : getBank(sampleInfo.Bank, sampleInfo.Name, sampleInfo.Volume), sampleInfo.Suffix, sampleInfo.Volume)
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{
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}
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public override IEnumerable<string> LookupNames
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{
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get
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{
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foreach (string name in base.LookupNames)
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yield return name.Insert(name.LastIndexOf('/') + 1, "Argon/taiko-");
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}
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}
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private static string getBank(string originalBank, string sampleName, int volume)
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{
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// So basically we're overwriting mapper's bank intentions here.
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// The rationale is that most taiko beatmaps only use a single bank, but regularly adjust volume.
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switch (sampleName)
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{
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case HIT_NORMAL:
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case HIT_CLAP:
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{
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if (volume >= SAMPLE_VOLUME_THRESHOLD_HARD)
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return BANK_DRUM;
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if (volume >= SAMPLE_VOLUME_THRESHOLD_MEDIUM)
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return BANK_NORMAL;
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return BANK_SOFT;
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}
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default:
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return originalBank;
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}
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}
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public override bool Equals(HitSampleInfo? other) => other is VolumeAwareHitSampleInfo && base.Equals(other);
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/// <remarks>
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/// <para>
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/// This override attempts to match the <see cref="Equals"/> override above, but in theory it is not strictly necessary.
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/// Recall that <see cref="GetHashCode"/> <a href="https://learn.microsoft.com/en-us/dotnet/api/system.object.gethashcode?view=net-8.0#notes-to-inheritors">must meet the following requirements</a>:
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/// </para>
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/// <para>
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/// "If two objects compare as equal, the <see cref="GetHashCode"/> method for each object must return the same value.
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/// However, if two objects do not compare as equal, <see cref="GetHashCode"/> methods for the two objects do not have to return different values."
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/// </para>
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/// <para>
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/// Making this override combine the value generated by the base <see cref="GetHashCode"/> implementation with a constant means
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/// that <see cref="HitSampleInfo"/> and <see cref="VolumeAwareHitSampleInfo"/> instances which have the same values of their members
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/// will not have equal hash codes, which is slightly more efficient when these objects are used as dictionary keys.
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/// </para>
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/// </remarks>
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public override int GetHashCode() => HashCode.Combine(base.GetHashCode(), 1);
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}
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}
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