SM64Lib/SM64Lib/Datatypecastes.cs

using global::System.Runtime.InteropServices;

namespace SM64Lib;

static class Datatypecastes
{
    public static short LongToInt16(long value)
    {
        var cast = default(CasterLongInt16);
        cast.LongValue = value;
        return cast.Int16Value;
    }

    [StructLayout(LayoutKind.Explicit)]
    private struct CasterLongInt16
    {
        [FieldOffset(0)]
        public long LongValue;
        [FieldOffset(0)]
        public short Int16Value;
    }

    public static byte LongToByte(long value)
    {
        var cast = default(CasterLongByte);
        cast.LongValue = value;
        return cast.ByteValue;
    }

    [StructLayout(LayoutKind.Explicit)]
    private struct CasterLongByte
    {
        [FieldOffset(0)]
        public long LongValue;
        [FieldOffset(0)]
        public byte ByteValue;
    }
}