Setup entry point + integrated moonworks stuff

Nerfed.Runtime/Graphics/PackedVector/Alpha8.cs

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+/* MoonWorks - Game Development Framework
+ * Copyright 2021 Evan Hemsley
+ */
+
+/* Derived from code by Ethan Lee (Copyright 2009-2021).
+ * Released under the Microsoft Public License.
+ * See fna.LICENSE for details.
+
+ * Derived from code by the Mono.Xna Team (Copyright 2006).
+ * Released under the MIT License. See monoxna.LICENSE for details.
+ */
+
+using System.Numerics;
+
+namespace Nerfed.Runtime.Graphics.PackedVector;
+
+/// <summary>
+/// Packed vector type containing unsigned normalized values ranging from 0 to 1.
+/// The x and z components use 5 bits, and the y component uses 6 bits.
+/// </summary>
+public struct Alpha8 : IPackedVector<byte>, IEquatable<Alpha8>, IPackedVector
+{
+	#region Public Properties
+
+	/// <summary>
+	/// Gets and sets the packed value.
+	/// </summary>
+	public byte PackedValue
+	{
+		get
+		{
+			return packedValue;
+		}
+		set
+		{
+			packedValue = value;
+		}
+	}
+
+	#endregion
+
+	#region Private Variables
+
+	private byte packedValue;
+
+	#endregion
+
+	#region Public Constructor
+
+	/// <summary>
+	/// Creates a new instance of Alpha8.
+	/// </summary>
+	/// <param name="alpha">The alpha component</param>
+	public Alpha8(float alpha)
+	{
+		packedValue = Pack(alpha);
+	}
+
+	#endregion
+
+	#region Public Methods
+
+	/// <summary>
+	/// Gets the packed vector in float format.
+	/// </summary>
+	/// <returns>The packed vector in Vector3 format</returns>
+	public float ToAlpha()
+	{
+		return (float) (packedValue / 255.0f);
+	}
+
+	#endregion
+
+	#region IPackedVector Methods
+
+	/// <summary>
+	/// Sets the packed vector from a Vector4.
+	/// </summary>
+	/// <param name="vector">Vector containing the components.</param>
+	void IPackedVector.PackFromVector4(Vector4 vector)
+	{
+		packedValue = Pack(vector.W);
+	}
+
+	/// <summary>
+	/// Gets the packed vector in Vector4 format.
+	/// </summary>
+	/// <returns>The packed vector in Vector4 format</returns>
+	Vector4 IPackedVector.ToVector4()
+	{
+		return new Vector4(
+			0.0f,
+			0.0f,
+			0.0f,
+			(float) (packedValue / 255.0f)
+		);
+	}
+
+	#endregion
+
+	#region Public Static Operators and Override Methods
+
+	/// <summary>
+	/// Compares an object with the packed vector.
+	/// </summary>
+	/// <param name="obj">The object to compare.</param>
+	/// <returns>True if the object is equal to the packed vector.</returns>
+	public override bool Equals(object obj)
+	{
+		return (obj is Alpha8) && Equals((Alpha8) obj);
+	}
+
+	/// <summary>
+	/// Compares another Bgra5551 packed vector with the packed vector.
+	/// </summary>
+	/// <param name="other">The Bgra5551 packed vector to compare.</param>
+	/// <returns>True if the packed vectors are equal.</returns>
+	public bool Equals(Alpha8 other)
+	{
+		return packedValue == other.packedValue;
+	}
+
+	/// <summary>
+	/// Gets a string representation of the packed vector.
+	/// </summary>
+	/// <returns>A string representation of the packed vector.</returns>
+	public override string ToString()
+	{
+		return packedValue.ToString("X");
+	}
+
+	/// <summary>
+	/// Gets a hash code of the packed vector.
+	/// </summary>
+	/// <returns>The hash code for the packed vector.</returns>
+	public override int GetHashCode()
+	{
+		return packedValue.GetHashCode();
+	}
+
+	public static bool operator ==(Alpha8 lhs, Alpha8 rhs)
+	{
+		return lhs.packedValue == rhs.packedValue;
+	}
+
+	public static bool operator !=(Alpha8 lhs, Alpha8 rhs)
+	{
+		return lhs.packedValue != rhs.packedValue;
+	}
+
+	#endregion
+
+	#region Private Static Pack Method
+
+	private static byte Pack(float alpha)
+	{
+		return (byte) System.Math.Round(Math.Clamp(alpha, 0, 1) * 255.0f);
+	}
+
+	#endregion
+}