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Location: alysbrooks-public/games/isometric-park-fna/FNA/src/Graphics/PackedVector/NormalizedByte4.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/NormalizedByte4.cs
140 lines | 2.7 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 NormalizedByte4 : IPackedVector<uint>, IEquatable<NormalizedByte4>
{
#region Public Properties
[CLSCompliant(false)]
public uint PackedValue
{
get
{
return packedValue;
}
set
{
packedValue = value;
}
}
#endregion
#region Private Variables
private uint packedValue;
#endregion
#region Public Constructors
public NormalizedByte4(Vector4 vector)
{
packedValue = Pack(vector.X, vector.Y, vector.Z, vector.W);
}
public NormalizedByte4(float x, float y, float z, float w)
{
packedValue = Pack(x, y, z, w);
}
#endregion
#region Public Methods
public Vector4 ToVector4()
{
return new Vector4(
((sbyte) (packedValue & 0xFF)) / 127.0f,
((sbyte) ((packedValue >> 8) & 0xFF)) / 127.0f,
((sbyte) ((packedValue >> 16) & 0xFF)) / 127.0f,
((sbyte) ((packedValue >> 24) & 0xFF)) / 127.0f
);
}
#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 !=(NormalizedByte4 a, NormalizedByte4 b)
{
return a.packedValue != b.packedValue;
}
public static bool operator ==(NormalizedByte4 a, NormalizedByte4 b)
{
return a.packedValue == b.packedValue;
}
public override bool Equals(object obj)
{
return (obj is NormalizedByte4) && Equals((NormalizedByte4) obj);
}
public bool Equals(NormalizedByte4 other)
{
return packedValue == 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 uint Pack(float x, float y, float z, float w)
{
uint byte4 = (
(uint) Math.Round(MathHelper.Clamp(x, -1.0f, 1.0f) * 127.0f)
) & 0x000000FF;
uint byte3 = (
(
(uint) Math.Round(MathHelper.Clamp(y, -1.0f, 1.0f) * 127.0f)
) << 8
) & 0x0000FF00;
uint byte2 = (
(
(uint) Math.Round(MathHelper.Clamp(z, -1.0f, 1.0f) * 127.0f)
) << 16
) & 0x00FF0000;
uint byte1 = (
(
(uint) Math.Round(MathHelper.Clamp(w, -1.0f, 1.0f) * 127.0f)
) << 24
) & 0xFF000000;
return byte4 | byte3 | byte2 | byte1;
}
#endregion
}
}