2e3b56f89c
Added Half and Vector[234]h structs. Added Vector[234]d, Matrix4d and Quaterniond structs.
397 lines
15 KiB
C#
397 lines
15 KiB
C#
#region --- License ---
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/*
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Copyright (c) 2006 - 2008 The Open Toolkit library.
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the "Software"), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#endregion
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using System;
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using System.IO;
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using System.Runtime.InteropServices;
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using System.Runtime.Serialization;
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namespace OpenTK.Math
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{
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/// <summary>4-component Vector of the Half type. Occupies 8 Byte total.</summary>
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[Serializable, StructLayout(LayoutKind.Sequential)]
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public struct Vector4h : ISerializable, IEquatable<Vector4h>
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{
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#region Public Fields
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/// <summary>The X component of the Half4.</summary>
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public Half X;
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/// <summary>The Y component of the Half4.</summary>
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public Half Y;
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/// <summary>The Z component of the Half4.</summary>
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public Half Z;
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/// <summary>The W component of the Half4.</summary>
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public Half W;
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#endregion Public Fields
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#region Constructors
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/// <summary>
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/// The new Half4 instance will avoid conversion and copy directly from the Half parameters.
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/// </summary>
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/// <param name="x">An Half instance of a 16-Bit half precision floating point number.</param>
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/// <param name="y">An Half instance of a 16-Bit half precision floating point number.</param>
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/// <param name="z">An Half instance of a 16-Bit half precision floating point number.</param>
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/// <param name="w">An Half instance of a 16-Bit half precision floating point number.</param>
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public Vector4h(Half x, Half y, Half z, Half w)
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{
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this.X = x;
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this.Y = y;
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this.Z = z;
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this.W = w;
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}
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/// <summary>
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/// The new Half4 instance will convert the 4 parameters into 16-Bit Half precision floating point.
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/// </summary>
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/// <param name="x">32-Bit Single precision floating point number.</param>
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/// <param name="y">32-Bit Single precision floating point number.</param>
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/// <param name="z">32-Bit Single precision floating point number.</param>
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/// <param name="w">32-Bit Single precision floating point number.</param>
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public Vector4h(Single x, Single y, Single z, Single w)
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{
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X = new Half(x);
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Y = new Half(y);
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Z = new Half(z);
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W = new Half(w);
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}
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/// <summary>
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/// The new Half4 instance will convert the 4 parameters into 16-Bit Half precision floating point.
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/// </summary>
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/// <param name="x">32-Bit Single precision floating point number.</param>
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/// <param name="y">32-Bit Single precision floating point number.</param>
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/// <param name="z">32-Bit Single precision floating point number.</param>
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/// <param name="w">32-Bit Single precision floating point number.</param>
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/// <param name="throwOnError">Enable checks that will throw if the conversion result is not meaningful.</param>
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public Vector4h(Single x, Single y, Single z, Single w, bool throwOnError)
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{
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X = new Half(x, throwOnError);
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Y = new Half(y, throwOnError);
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Z = new Half(z, throwOnError);
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W = new Half(w, throwOnError);
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}
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/// <summary>
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/// The new Half4 instance will convert the Vector4 into 16-Bit Half precision floating point.
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/// </summary>
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/// <param name="v">OpenTK.Math.Vector4</param>
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[CLSCompliant(false)]
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public Vector4h(Vector4 v)
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{
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X = new Half(v.X);
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Y = new Half(v.Y);
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Z = new Half(v.Z);
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W = new Half(v.W);
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}
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/// <summary>
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/// The new Half4 instance will convert the Vector4 into 16-Bit Half precision floating point.
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/// </summary>
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/// <param name="v">OpenTK.Math.Vector4</param>
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/// <param name="throwOnError">Enable checks that will throw if the conversion result is not meaningful.</param>
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[CLSCompliant(false)]
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public Vector4h(Vector4 v, bool throwOnError)
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{
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X = new Half(v.X, throwOnError);
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Y = new Half(v.Y, throwOnError);
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Z = new Half(v.Z, throwOnError);
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W = new Half(v.W, throwOnError);
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}
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/// <summary>
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/// The new Half4 instance will convert the Vector4 into 16-Bit Half precision floating point.
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/// This is the fastest constructor.
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/// </summary>
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/// <param name="v">OpenTK.Math.Vector4</param>
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public Vector4h(ref Vector4 v)
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{
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X = new Half(v.X);
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Y = new Half(v.Y);
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Z = new Half(v.Z);
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W = new Half(v.W);
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}
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/// <summary>
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/// The new Half4 instance will convert the Vector4 into 16-Bit Half precision floating point.
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/// </summary>
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/// <param name="v">OpenTK.Math.Vector4</param>
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/// <param name="throwOnError">Enable checks that will throw if the conversion result is not meaningful.</param>
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public Vector4h(ref Vector4 v, bool throwOnError)
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{
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X = new Half(v.X, throwOnError);
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Y = new Half(v.Y, throwOnError);
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Z = new Half(v.Z, throwOnError);
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W = new Half(v.W, throwOnError);
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}
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/// <summary>
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/// The new Half4 instance will convert the Vector4d into 16-Bit Half precision floating point.
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/// </summary>
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/// <param name="v">OpenTK.Math.Vector4d</param>
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public Vector4h(Vector4d v)
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{
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X = new Half(v.X);
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Y = new Half(v.Y);
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Z = new Half(v.Z);
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W = new Half(v.W);
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}
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/// <summary>
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/// The new Half4 instance will convert the Vector4d into 16-Bit Half precision floating point.
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/// </summary>
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/// <param name="v">OpenTK.Math.Vector4d</param>
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/// <param name="throwOnError">Enable checks that will throw if the conversion result is not meaningful.</param>
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public Vector4h(Vector4d v, bool throwOnError)
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{
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X = new Half(v.X, throwOnError);
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Y = new Half(v.Y, throwOnError);
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Z = new Half(v.Z, throwOnError);
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W = new Half(v.W, throwOnError);
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}
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/// <summary>
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/// The new Half4 instance will convert the Vector4d into 16-Bit Half precision floating point.
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/// This is the faster constructor.
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/// </summary>
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/// <param name="v">OpenTK.Math.Vector4d</param>
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[CLSCompliant(false)]
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public Vector4h(ref Vector4d v)
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{
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X = new Half(v.X);
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Y = new Half(v.Y);
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Z = new Half(v.Z);
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W = new Half(v.W);
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}
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/// <summary>
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/// The new Half4 instance will convert the Vector4d into 16-Bit Half precision floating point.
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/// </summary>
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/// <param name="v">OpenTK.Math.Vector4d</param>
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/// <param name="throwOnError">Enable checks that will throw if the conversion result is not meaningful.</param>
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[CLSCompliant(false)]
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public Vector4h(ref Vector4d v, bool throwOnError)
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{
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X = new Half(v.X, throwOnError);
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Y = new Half(v.Y, throwOnError);
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Z = new Half(v.Z, throwOnError);
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W = new Half(v.W, throwOnError);
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}
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#endregion Constructors
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#region Half -> Single
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/// <summary>
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/// Returns this Half4 instance's contents as Vector4.
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/// </summary>
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/// <returns>OpenTK.Math.Vector4</returns>
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public Vector4 ToVector4()
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{
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return new Vector4(X, Y, Z, W);
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}
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/// <summary>
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/// Returns this Half4 instance's contents as Vector4d.
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/// </summary>
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/// <param name="v">OpenTK.Math.Vector4d</param>
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public Vector4d ToVector4d()
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{
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return new Vector4d(X, Y, Z, W);
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}
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#endregion Half -> Single
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#region Conversions
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/// <summary>Converts OpenTK.Math.Vector4 to OpenTK.Math.Half4.</summary>
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/// <param name="v4f">The Vector4 to convert.</param>
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/// <returns>The resulting Half vector.</returns>
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public static explicit operator Vector4h(Vector4 v4f)
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{
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return new Vector4h(v4f);
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}
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/// <summary>Converts OpenTK.Math.Vector4d to OpenTK.Math.Half4.</summary>
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/// <param name="v4d">The Vector4d to convert.</param>
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/// <returns>The resulting Half vector.</returns>
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public static explicit operator Vector4h(Vector4d v4d)
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{
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return new Vector4h(v4d);
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}
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/// <summary>Converts OpenTK.Math.Half4 to OpenTK.Math.Vector4.</summary>
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/// <param name="h4">The Half4 to convert.</param>
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/// <returns>The resulting Vector4.</returns>
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public static explicit operator Vector4(Vector4h h4)
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{
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Vector4 result = new Vector4();
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result.X = h4.X.ToSingle();
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result.Y = h4.Y.ToSingle();
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result.Z = h4.Z.ToSingle();
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result.W = h4.W.ToSingle();
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return result;
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}
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/// <summary>Converts OpenTK.Math.Half4 to OpenTK.Math.Vector4d.</summary>
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/// <param name="h4">The Half4 to convert.</param>
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/// <returns>The resulting Vector4d.</returns>
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public static explicit operator Vector4d(Vector4h h4)
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{
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Vector4d result = new Vector4d();
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result.X = h4.X.ToSingle();
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result.Y = h4.Y.ToSingle();
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result.Z = h4.Z.ToSingle();
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result.W = h4.W.ToSingle();
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return result;
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}
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#endregion Conversions
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#region Constants
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/// <summary>The size in bytes for an instance of the Half4 struct is 8.</summary>
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public static readonly int SizeInBytes = 8;
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#endregion Constants
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#region ISerializable
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/// <summary>Constructor used by ISerializable to deserialize the object.</summary>
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/// <param name="info"></param>
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/// <param name="context"></param>
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public Vector4h(SerializationInfo info, StreamingContext context)
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{
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this.X = (Half)info.GetValue("X", typeof(Half));
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this.Y = (Half)info.GetValue("Y", typeof(Half));
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this.Z = (Half)info.GetValue("Z", typeof(Half));
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this.W = (Half)info.GetValue("W", typeof(Half));
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}
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/// <summary>Used by ISerialize to serialize the object.</summary>
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/// <param name="info"></param>
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/// <param name="context"></param>
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public void GetObjectData(SerializationInfo info, StreamingContext context)
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{
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info.AddValue("X", this.X);
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info.AddValue("Y", this.Y);
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info.AddValue("Z", this.Z);
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info.AddValue("W", this.W);
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}
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#endregion ISerializable
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#region Binary dump
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/// <summary>Updates the X,Y,Z and W components of this instance by reading from a Stream.</summary>
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/// <param name="bin">A BinaryReader instance associated with an open Stream.</param>
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public void FromBinaryStream(BinaryReader bin)
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{
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X.FromBinaryStream(bin);
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Y.FromBinaryStream(bin);
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Z.FromBinaryStream(bin);
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W.FromBinaryStream(bin);
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}
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/// <summary>Writes the X,Y,Z and W components of this instance into a Stream.</summary>
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/// <param name="bin">A BinaryWriter instance associated with an open Stream.</param>
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public void ToBinaryStream(BinaryWriter bin)
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{
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X.ToBinaryStream(bin);
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Y.ToBinaryStream(bin);
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Z.ToBinaryStream(bin);
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W.ToBinaryStream(bin);
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}
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#endregion Binary dump
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#region IEquatable<Half4> Members
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/// <summary>Returns a value indicating whether this instance is equal to a specified OpenTK.Math.Half4 vector.</summary>
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/// <param name="other">OpenTK.Math.Half4 to compare to this instance..</param>
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/// <returns>True, if other is equal to this instance; false otherwise.</returns>
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public bool Equals(Vector4h other)
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{
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return (this.X.Equals(other.X) && this.Y.Equals(other.Y) && this.Z.Equals(other.Z) && this.W.Equals(other.W));
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}
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#endregion
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#region ToString()
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/// <summary>Returns a string that contains this Half4's numbers in human-legible form.</summary>
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public override string ToString()
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{
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return String.Format("({0}, {1}, {2}, {3})", X.ToString(), Y.ToString(), Z.ToString(), W.ToString());
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}
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#endregion ToString()
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#region BitConverter
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/// <summary>Returns the Half4 as an array of bytes.</summary>
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/// <param name="h">The Half4 to convert.</param>
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/// <returns>The input as byte array.</returns>
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public static byte[] GetBytes(Vector4h h)
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{
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byte[] result = new byte[SizeInBytes];
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byte[] temp = Half.GetBytes(h.X);
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result[0] = temp[0];
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result[1] = temp[1];
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temp = Half.GetBytes(h.Y);
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result[2] = temp[0];
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result[3] = temp[1];
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temp = Half.GetBytes(h.Z);
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result[4] = temp[0];
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result[5] = temp[1];
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temp = Half.GetBytes(h.W);
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result[6] = temp[0];
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result[7] = temp[1];
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return result;
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}
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/// <summary>Converts an array of bytes into Half4.</summary>
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/// <param name="value">A Half4 in it's byte[] representation.</param>
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/// <param name="startIndex">The starting position within value.</param>
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/// <returns>A new Half4 instance.</returns>
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public static Vector4h FromBytes(byte[] value, int startIndex)
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{
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Vector4h h4 = new Vector4h();
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h4.X = Half.FromBytes(value, startIndex);
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h4.Y = Half.FromBytes(value, startIndex + 2);
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h4.Z = Half.FromBytes(value, startIndex + 4);
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h4.W = Half.FromBytes(value, startIndex + 6);
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return h4;
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}
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#endregion BitConverter
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}
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}
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