Source/OpenTK/Math/Vector4h.cs

#region --- License ---
/*
Copyright (c) 2006 - 2008 The Open Toolkit library.

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.
 */
#endregion

using System;
using System.IO;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Xml.Serialization;

namespace OpenTK
{
    [Serializable, StructLayout(LayoutKind.Sequential)]
    public struct Vector4h : ISerializable, IEquatable<Vector4h>
    {
        #region Public Fields

        public Half X;

        public Half Y;

        public Half Z;

        public Half W;

        #endregion Public Fields

        #region Constructors

        public Vector4h(Half x, Half y, Half z, Half w)
        {
            this.X = x;
            this.Y = y;
            this.Z = z;
            this.W = w;
        }

        public Vector4h(Single x, Single y, Single z, Single w)
        {
            X = new Half(x);
            Y = new Half(y);
            Z = new Half(z);
            W = new Half(w);
        }

        public Vector4h(Single x, Single y, Single z, Single w, bool throwOnError)
        {
            X = new Half(x, throwOnError);
            Y = new Half(y, throwOnError);
            Z = new Half(z, throwOnError);
            W = new Half(w, throwOnError);
        }

        [CLSCompliant(false)]
        public Vector4h(Vector4 v)
        {
            X = new Half(v.X);
            Y = new Half(v.Y);
            Z = new Half(v.Z);
            W = new Half(v.W);
        }

        [CLSCompliant(false)]
        public Vector4h(Vector4 v, bool throwOnError)
        {
            X = new Half(v.X, throwOnError);
            Y = new Half(v.Y, throwOnError);
            Z = new Half(v.Z, throwOnError);
            W = new Half(v.W, throwOnError);
        }

        public Vector4h(ref Vector4 v)
        {
            X = new Half(v.X);
            Y = new Half(v.Y);
            Z = new Half(v.Z);
            W = new Half(v.W);
        }

        public Vector4h(ref Vector4 v, bool throwOnError)
        {
            X = new Half(v.X, throwOnError);
            Y = new Half(v.Y, throwOnError);
            Z = new Half(v.Z, throwOnError);
            W = new Half(v.W, throwOnError);
        }

        public Vector4h(Vector4d v)
        {
            X = new Half(v.X);
            Y = new Half(v.Y);
            Z = new Half(v.Z);
            W = new Half(v.W);
        }

        public Vector4h(Vector4d v, bool throwOnError)
        {
            X = new Half(v.X, throwOnError);
            Y = new Half(v.Y, throwOnError);
            Z = new Half(v.Z, throwOnError);
            W = new Half(v.W, throwOnError);
        }

        [CLSCompliant(false)]
        public Vector4h(ref Vector4d v)
        {
            X = new Half(v.X);
            Y = new Half(v.Y);
            Z = new Half(v.Z);
            W = new Half(v.W);
        }

        [CLSCompliant(false)]
        public Vector4h(ref Vector4d v, bool throwOnError)
        {
            X = new Half(v.X, throwOnError);
            Y = new Half(v.Y, throwOnError);
            Z = new Half(v.Z, throwOnError);
            W = new Half(v.W, throwOnError);
        }

        #endregion Constructors

        #region Swizzle

        [XmlIgnore]
        public Vector2h Xy { get { return new Vector2h(X, Y); } set { X = value.X; Y = value.Y; } }

        [XmlIgnore]
        public Vector3h Xyz { get { return new Vector3h(X, Y, Z); } set { X = value.X; Y = value.Y; Z = value.Z; } }

        #endregion

        #region Half -> Single

        public Vector4 ToVector4()
        {
            return new Vector4(X, Y, Z, W);
        }

        public Vector4d ToVector4d()
        {
            return new Vector4d(X, Y, Z, W);
        }

        #endregion Half -> Single

        #region Conversions

        public static explicit operator Vector4h(Vector4 v4f)
        {
            return new Vector4h(v4f);
        }

        public static explicit operator Vector4h(Vector4d v4d)
        {
            return new Vector4h(v4d);
        }

        public static explicit operator Vector4(Vector4h h4)
        {
            Vector4 result = new Vector4();
            result.X = h4.X.ToSingle();
            result.Y = h4.Y.ToSingle();
            result.Z = h4.Z.ToSingle();
            result.W = h4.W.ToSingle();
            return result;
        }

        public static explicit operator Vector4d(Vector4h h4)
        {
            Vector4d result = new Vector4d();
            result.X = h4.X.ToSingle();
            result.Y = h4.Y.ToSingle();
            result.Z = h4.Z.ToSingle();
            result.W = h4.W.ToSingle();
            return result;
        }

        #endregion Conversions

        #region Constants

        public static readonly int SizeInBytes = 8;

        #endregion Constants

        #region ISerializable

        public Vector4h(SerializationInfo info, StreamingContext context)
        {
            this.X = (Half)info.GetValue("X", typeof(Half));
            this.Y = (Half)info.GetValue("Y", typeof(Half));
            this.Z = (Half)info.GetValue("Z", typeof(Half));
            this.W = (Half)info.GetValue("W", typeof(Half));
        }

        public void GetObjectData(SerializationInfo info, StreamingContext context)
        {
            info.AddValue("X", this.X);
            info.AddValue("Y", this.Y);
            info.AddValue("Z", this.Z);
            info.AddValue("W", this.W);
        }

        #endregion ISerializable

        #region Binary dump

        public void FromBinaryStream(BinaryReader bin)
        {
            X.FromBinaryStream(bin);
            Y.FromBinaryStream(bin);
            Z.FromBinaryStream(bin);
            W.FromBinaryStream(bin);
        }

        public void ToBinaryStream(BinaryWriter bin)
        {
            X.ToBinaryStream(bin);
            Y.ToBinaryStream(bin);
            Z.ToBinaryStream(bin);
            W.ToBinaryStream(bin);
        }

        #endregion Binary dump

        #region IEquatable<Half4> Members

        public bool Equals(Vector4h other)
        {
            return (this.X.Equals(other.X) && this.Y.Equals(other.Y) && this.Z.Equals(other.Z) && this.W.Equals(other.W));
        }

        #endregion

        #region ToString()

        public override string ToString()
        {
            return String.Format("({0}, {1}, {2}, {3})", X.ToString(), Y.ToString(), Z.ToString(), W.ToString());
        }

        #endregion ToString()

        #region BitConverter

        public static byte[] GetBytes(Vector4h h)
        {
            byte[] result = new byte[SizeInBytes];

            byte[] temp = Half.GetBytes(h.X);
            result[0] = temp[0];
            result[1] = temp[1];
            temp = Half.GetBytes(h.Y);
            result[2] = temp[0];
            result[3] = temp[1];
            temp = Half.GetBytes(h.Z);
            result[4] = temp[0];
            result[5] = temp[1];
            temp = Half.GetBytes(h.W);
            result[6] = temp[0];
            result[7] = temp[1];

            return result;
        }

        public static Vector4h FromBytes(byte[] value, int startIndex)
        {
            Vector4h h4 = new Vector4h();
            h4.X = Half.FromBytes(value, startIndex);
            h4.Y = Half.FromBytes(value, startIndex + 2);
            h4.Z = Half.FromBytes(value, startIndex + 4);
            h4.W = Half.FromBytes(value, startIndex + 6);
            return h4;
        }

        #endregion BitConverter
    }
}

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