using StgSharp.Controlling;
using StgSharp.Math;
using System;
using System.Data.Common;
using System.Numerics;
using System.Runtime.InteropServices;

namespace StgSharp.Math
{
    [StructLayout(LayoutKind.Explicit)]
    public unsafe struct M128
    {
        [FieldOffset(0)] internal fixed float Single[4];
        [FieldOffset(0)] internal fixed double Double[2];

        [FieldOffset(0)] internal fixed sbyte Int8[16];
        [FieldOffset(0)] internal fixed short Int16[8];
        [FieldOffset(0)] internal fixed int Int32[4];
        [FieldOffset(0)] internal fixed long Int64[2];

        [FieldOffset(0)] internal fixed byte UInt8[16];
        [FieldOffset(0)] internal fixed ushort UInt16[8];
        [FieldOffset(0)] internal fixed uint UInt32[4];
        [FieldOffset(0)] internal fixed ulong UInt64[2];
    }

    [StructLayout(LayoutKind.Explicit, Size = 16, Pack = 16)]
    public struct Vec4d
    {
        [FieldOffset(0)] internal Vector4 vec;
        [FieldOffset(0)] internal M128 reg;

        [FieldOffset(0)] public float X;
        [FieldOffset(4)] public float Y;
        [FieldOffset(8)] public float Z;
        [FieldOffset(12)] public float W;


        public Vec4d(float x, float y, float z, float w)
        {
            vec = new Vector4(x, y, z, w);
        }

        public static implicit operator M128(Vec4d vec)
        {
            return vec.reg;
        }
    }
}