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Location: alysbrooks-public/games/isometric-park-fna/FNA/src/Graphics/PackedVector/NormalizedShort4.cs - annotation

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Commit Description:
Various UI improvements.
Commit Description:
Various UI improvements.
References:
r291:6a7d5e8510b1 default
File last commit:
r0:e33f209de7e5 default
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FNA/src/Graphics/PackedVector/NormalizedShort4.cs
155 lines | 2.8 KiB | text/x-csharp | CSharpLexer
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alys
Early working version (including all dependencies, lol).
 r0 #region License
/* FNA - XNA4 Reimplementation for Desktop Platforms
* Copyright 2009-2020 Ethan Lee and the MonoGame Team
*
* Released under the Microsoft Public License.
* See LICENSE for details.
*/
#endregion
#region Using Statements
using System;
#endregion
namespace Microsoft.Xna.Framework.Graphics.PackedVector
{
public struct NormalizedShort4 : IPackedVector<ulong>, IEquatable<NormalizedShort4>
{
#region Public Properties
[CLSCompliant(false)]
public ulong PackedValue
{
get
{
return packedValue;
}
set
{
packedValue = value;
}
}
#endregion
#region Private Variables
private ulong packedValue;
#endregion
#region Public Constructors
public NormalizedShort4(Vector4 vector)
{
packedValue = Pack(vector.X, vector.Y, vector.Z, vector.W);
}
public NormalizedShort4(float x, float y, float z, float w)
{
packedValue = Pack(x, y, z, w);
}
#endregion
#region Public Methods
public Vector4 ToVector4()
{
const float maxVal = 0x7FFF;
return new Vector4(
((short) (packedValue & 0xFFFF)) / maxVal,
((short) ((packedValue >> 0x10) & 0xFFFF)) / maxVal,
((short) ((packedValue >> 0x20) & 0xFFFF)) / maxVal,
((short) ((packedValue >> 0x30) & 0xFFFF)) / maxVal
);
}
#endregion
#region IPackedVector Methods
void IPackedVector.PackFromVector4(Vector4 vector)
{
packedValue = Pack(vector.X, vector.Y, vector.Z, vector.W);
}
#endregion
#region Public Static Operators and Override Methods
public static bool operator !=(NormalizedShort4 a, NormalizedShort4 b)
{
return !a.Equals(b);
}
public static bool operator ==(NormalizedShort4 a, NormalizedShort4 b)
{
return a.Equals(b);
}
public override bool Equals(object obj)
{
return (obj is NormalizedShort4) && Equals((NormalizedShort4) obj);
}
public bool Equals(NormalizedShort4 other)
{
return packedValue.Equals(other.packedValue);
}
public override int GetHashCode()
{
return packedValue.GetHashCode();
}
public override string ToString()
{
return packedValue.ToString("X");
}
#endregion
#region Private Static Pack Method
private static ulong Pack(float x, float y, float z, float w)
{
const float max = 0x7FFF;
const float min = -max;
ulong word4 = (
(ulong) MathHelper.Clamp(
(float) Math.Round(x * max),
min,
max
) & 0xFFFF
);
ulong word3 = (
(ulong) MathHelper.Clamp(
(float) Math.Round(y * max),
min,
max
) & 0xFFFF
) << 0x10;
ulong word2 = (
(ulong) MathHelper.Clamp(
(float) Math.Round(z * max),
min,
max
) & 0xFFFF
) << 0x20;
ulong word1 = (
(ulong) MathHelper.Clamp(
(float) Math.Round(w * max),
min,
max
) & 0xFFFF
) << 0x30;
return (word4 | word3 | word2 | word1);
}
#endregion
}
}