//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
//     file="ColumnSet4.cs"
//     Project: StgSharp
//     AuthorGroup: Nitload Space
//     Copyright (c) Nitload Space. All rights reserved.
//     
//     Permission is hereby granted, free of charge, to any person 
//     obtaining a copy of this software and associated documentation 
//     files (the “Software”), to deal in the Software without restriction, 
//     including without limitation the rights to use, copy, modify, merge,
//     publish, distribute, sublicense, and/or sell copies of the Software, 
//     and to permit persons to whom the Software is furnished to do so, 
//     subject to the following conditions:
//     
//     The above copyright notice and 
//     this permission notice shall be included in all copies 
//     or substantial portions of the Software.
//     
//     THE SOFTWARE IS PROVIDED “AS IS”, 
//     WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
//     INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
//     FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
//     IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
//     DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
//     ARISING FROM, OUT OF OR IN CONNECTION WITH 
//     THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//     
//-----------------------------------------------------------------------
//-----------------------------------------------------------------------
using StgSharp;
using StgSharp.Internal.Intrinsic;

using System;
using System.Numerics;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;

namespace StgSharp.Internal.Intrinsic
{
    [StructLayout( LayoutKind.Explicit, Size = 16 * sizeof( float ) )]
    internal struct ColumnSet4 : IEquatable<ColumnSet4>
    {

        [FieldOffset( 0 )]  internal Vector4 colum0;
        [FieldOffset( 16 )] internal Vector4 colum1;
        [FieldOffset( 32 )] internal Vector4 colum2;
        [FieldOffset( 48 )] internal Vector4 colum3;

        [FieldOffset( 0 )] public float m00;
        [FieldOffset( 16 )] public float m01;
        [FieldOffset( 32 )] public float m02;
        [FieldOffset( 48 )] public float m03;
        [FieldOffset( 4 )] public float m10;
        [FieldOffset( 20 )] public float m11;
        [FieldOffset( 36 )] public float m12;
        [FieldOffset( 52 )] public float m13;
        [FieldOffset( 8 )] public float m20;
        [FieldOffset( 24 )] public float m21;
        [FieldOffset( 40 )] public float m22;
        [FieldOffset( 56 )] public float m23;
        [FieldOffset( 12 )] public float m30;
        [FieldOffset( 28 )] public float m31;
        [FieldOffset( 44 )] public float m32;
        [FieldOffset( 60 )] public float m33;

        [MethodImpl( MethodImplOptions.AggressiveInlining )]
        internal ColumnSet4(
                         Vector4 colum0,
                         Vector4 colum1,
                         Vector4 colum2,
                         Vector4 colum3 )
        {
            Unsafe.SkipInit( out this );
            this.colum0 = colum0;
            this.colum1 = colum1;
            this.colum2 = colum2;
            this.colum3 = colum3;
        }

        public override bool Equals( object? obj )
        {
            return ( obj is ColumnSet4 mat ) && Equals( mat );
        }

        [MethodImpl( MethodImplOptions.AggressiveInlining )]
        public bool Equals( ColumnSet4 other )
        {
            return colum0.Equals( other.colum0 ) && colum1.Equals(
                other.colum1 ) && colum2.Equals( other.colum2 ) && colum3.Equals(
                other.colum3 );
        }

        [MethodImpl( MethodImplOptions.AggressiveInlining )]
        public static bool operator !=( ColumnSet4 left, ColumnSet4 right )
        {
            return !( left == right );
        }

        [MethodImpl( MethodImplOptions.AggressiveInlining )]
        public static bool operator ==( ColumnSet4 left, ColumnSet4 right )
        {
            return left.Equals( right );
        }

    }
}