1605296300@qq.com
55 lines
1.9 KiB
C#
55 lines
1.9 KiB
C#
using NAudio.Wave;
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using System;
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using UnityEngine;
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using System.IO;
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using CriWareFormats;
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using ClHcaSharp;
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namespace UmaMusumeAudio
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{
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public class UmaWaveStream : WaveStream
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{
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/*
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* Open Umamusume > umamusume_Data > resources.assets with a hex editor.
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* Check the results when finding the string "StreamingAssets".
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* The key should be near a string named "cri_auth".
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*/
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private const ulong umaMusumeKey = 75923756697503;
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private readonly HcaWaveStream hcaWaveStream;
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public UmaWaveStream(AwbReader awbReader, int waveId)
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{
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Stream awbSubfile = awbReader.GetWaveSubfileStream(awbReader.Waves.Find((wave) => wave.WaveId == waveId));
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hcaWaveStream = new HcaWaveStream(awbSubfile, MixKey(umaMusumeKey, awbReader.Subkey));
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}
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public override WaveFormat WaveFormat => hcaWaveStream.WaveFormat;
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public bool Loop { get => hcaWaveStream.Loop; set { hcaWaveStream.Loop = value; } }
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public long LoopStartSample { get => hcaWaveStream.LoopStartSample; set { hcaWaveStream.LoopStartSample = value; } }
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public long LoopEndSample { get => hcaWaveStream.LoopEndSample; set { hcaWaveStream.LoopEndSample = value; } }
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public override long Length => hcaWaveStream.Length;
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public override long Position { get => hcaWaveStream.Position; set => hcaWaveStream.Position = value; }
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public short[][] SampleBuffer => hcaWaveStream.SampleBuffer;
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public HcaDecoder Decoder => hcaWaveStream.Decoder;
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public HcaInfo Info => hcaWaveStream.Info;
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public override int Read(byte[] buffer, int offset, int count)
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{
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return hcaWaveStream.Read(buffer, offset, count);
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}
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public void ResetLoop() => hcaWaveStream.ResetLoop();
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private static ulong MixKey(ulong key, ushort subkey) =>
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key * (((ulong)subkey << 16) | ((ushort)~subkey + 2u));
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}
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}
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