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CrowdControl/Assets/Plugins/ConsolePro/Remote/LiteNetLib/FastBitConverter.cs

121 lines
3.8 KiB
C#

#if DEBUG && !UNITY_WP_8_1 && !UNITY_WSA
using System.Runtime.InteropServices;
namespace FlyingWormConsole3.LiteNetLib.Utils
{
public static class FastBitConverter
{
[StructLayout(LayoutKind.Explicit)]
private struct ConverterHelperDouble
{
[FieldOffset(0)]
public ulong Along;
[FieldOffset(0)]
public double Adouble;
}
[StructLayout(LayoutKind.Explicit)]
private struct ConverterHelperFloat
{
[FieldOffset(0)]
public int Aint;
[FieldOffset(0)]
public float Afloat;
}
private static void WriteLittleEndian(byte[] buffer, int offset, ulong data)
{
#if BIGENDIAN
buffer[offset + 7] = (byte)(data);
buffer[offset + 6] = (byte)(data >> 8);
buffer[offset + 5] = (byte)(data >> 16);
buffer[offset + 4] = (byte)(data >> 24);
buffer[offset + 3] = (byte)(data >> 32);
buffer[offset + 2] = (byte)(data >> 40);
buffer[offset + 1] = (byte)(data >> 48);
buffer[offset ] = (byte)(data >> 56);
#else
buffer[offset] = (byte)(data);
buffer[offset + 1] = (byte)(data >> 8);
buffer[offset + 2] = (byte)(data >> 16);
buffer[offset + 3] = (byte)(data >> 24);
buffer[offset + 4] = (byte)(data >> 32);
buffer[offset + 5] = (byte)(data >> 40);
buffer[offset + 6] = (byte)(data >> 48);
buffer[offset + 7] = (byte)(data >> 56);
#endif
}
private static void WriteLittleEndian(byte[] buffer, int offset, int data)
{
#if BIGENDIAN
buffer[offset + 3] = (byte)(data);
buffer[offset + 2] = (byte)(data >> 8);
buffer[offset + 1] = (byte)(data >> 16);
buffer[offset ] = (byte)(data >> 24);
#else
buffer[offset] = (byte)(data);
buffer[offset + 1] = (byte)(data >> 8);
buffer[offset + 2] = (byte)(data >> 16);
buffer[offset + 3] = (byte)(data >> 24);
#endif
}
public static void WriteLittleEndian(byte[] buffer, int offset, short data)
{
#if BIGENDIAN
buffer[offset + 1] = (byte)(data);
buffer[offset ] = (byte)(data >> 8);
#else
buffer[offset] = (byte)(data);
buffer[offset + 1] = (byte)(data >> 8);
#endif
}
public static void GetBytes(byte[] bytes, int startIndex, double value)
{
ConverterHelperDouble ch = new ConverterHelperDouble { Adouble = value };
WriteLittleEndian(bytes, startIndex, ch.Along);
}
public static void GetBytes(byte[] bytes, int startIndex, float value)
{
ConverterHelperFloat ch = new ConverterHelperFloat { Afloat = value };
WriteLittleEndian(bytes, startIndex, ch.Aint);
}
public static void GetBytes(byte[] bytes, int startIndex, short value)
{
WriteLittleEndian(bytes, startIndex, value);
}
public static void GetBytes(byte[] bytes, int startIndex, ushort value)
{
WriteLittleEndian(bytes, startIndex, (short)value);
}
public static void GetBytes(byte[] bytes, int startIndex, int value)
{
WriteLittleEndian(bytes, startIndex, value);
}
public static void GetBytes(byte[] bytes, int startIndex, uint value)
{
WriteLittleEndian(bytes, startIndex, (int)value);
}
public static void GetBytes(byte[] bytes, int startIndex, long value)
{
WriteLittleEndian(bytes, startIndex, (ulong)value);
}
public static void GetBytes(byte[] bytes, int startIndex, ulong value)
{
WriteLittleEndian(bytes, startIndex, value);
}
}
}
#endif