Ryujinx/Ryujinx.HLE/HOS/Services/Mii/Helper.cs

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using Ryujinx.HLE.Utilities;
using System;
using System.Buffers.Binary;
namespace Ryujinx.HLE.HOS.Services.Mii
{
static class Helper
{
public static ushort CalculateCrc16(ReadOnlySpan<byte> data, int crc, bool reverseEndianess)
{
const ushort poly = 0x1021;
for (int i = 0; i < data.Length; i++)
{
crc ^= data[i] << 8;
for (int j = 0; j < 8; j++)
{
crc <<= 1;
if ((crc & 0x10000) != 0)
{
crc = (crc ^ poly) & 0xFFFF;
}
}
}
if (reverseEndianess)
{
return (ushort)(BinaryPrimitives.ReverseEndianness(crc) >> 16);
}
return (ushort)crc;
}
public static UInt128 GetDeviceId()
{
// FIXME: call set:sys GetMiiAuthorId
return new UInt128(0, 1);
}
public static ReadOnlySpan<byte> Ver3FacelineColorTable => new byte[] { 0, 1, 2, 3, 4, 5 };
public static ReadOnlySpan<byte> Ver3HairColorTable => new byte[] { 8, 1, 2, 3, 4, 5, 6, 7 };
public static ReadOnlySpan<byte> Ver3EyeColorTable => new byte[] { 8, 9, 10, 11, 12, 13 };
public static ReadOnlySpan<byte> Ver3MouthColorTable => new byte[] { 19, 20, 21, 22, 23 };
public static ReadOnlySpan<byte> Ver3GlassColorTable => new byte[] { 8, 14, 15, 16, 17, 18, 0 };
}
}