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using System;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
namespace Ryujinx.HLE.Utilities
{
[StructLayout(LayoutKind.Sequential)]
public struct UInt128 : IEquatable<UInt128>
{
public readonly long Low;
public readonly long High;
public bool IsNull => (Low | High) == 0;
public UInt128(long low, long high)
{
Low = low;
High = high;
}
public UInt128(byte[] bytes)
{
Low = BitConverter.ToInt64(bytes, 0);
High = BitConverter.ToInt64(bytes, 8);
}
public UInt128(string hex)
{
if (hex == null || hex.Length != 32 || !hex.All("0123456789abcdefABCDEF".Contains))
{
throw new ArgumentException("Invalid Hex value!", nameof(hex));
}
Low = Convert.ToInt64(hex.Substring(16), 16);
High = Convert.ToInt64(hex.Substring(0, 16), 16);
}
public void Write(BinaryWriter binaryWriter)
{
binaryWriter.Write(Low);
binaryWriter.Write(High);
}
public override string ToString()
{
return High.ToString("x16") + Low.ToString("x16");
}
public static bool operator ==(UInt128 x, UInt128 y)
{
return x.Equals(y);
}
public static bool operator !=(UInt128 x, UInt128 y)
{
return !x.Equals(y);
}
public override bool Equals(object obj)
{
return obj is UInt128 uint128 && Equals(uint128);
}
public bool Equals(UInt128 cmpObj)
{
return Low == cmpObj.Low && High == cmpObj.High;
}
public override int GetHashCode()
{
return HashCode.Combine(Low, High);
}
}
}
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