Added constructor and SetData to Texture2D

obviously this has to be done for the other texture types as well at some point

GlitchyEngine/src/Math/ResourceBox.bf

@@ -0,0 +1,62 @@
+using System;
+
+namespace GlitchyEngine.Math
+{
+	public struct ResourceBox
+	{
+		/// The x position of the left hand side of the box.
+		public uint32 Left;
+		/// The y position of the top of the box.
+		public uint32 Top;
+		/// The z position of the front of the box.
+		public uint32 Front;
+		/// The x position of the right hand side of the box.
+		public uint32 Right;
+		/// The y position of the bottom of the box.
+		public uint32 Bottom;
+		/// The z position of the back of the box.
+		public uint32 Back;
+
+		/**
+		 * Returns true if the box is empty.
+		 * A box is empty if the top value is greater than or equal to the bottom value,
+		 * or the left value is greater than or equal to the right value,
+		 * or the front value is greater than or equal to the back value.
+		 */
+		public bool IsEmpty => Top >= Bottom || Left >= Right || Front >= Back;
+
+		/**
+		 * Instantiates a new instance of an uninitialized Box structure.
+		 */
+		public this()
+		{
+			this = default;
+		}
+
+		/**
+		 * Instantiates a new instance of a Box structure that is initialized with the dimensions of a box.
+		 */
+		public this(uint32 left, uint32 top, uint32 front, uint32 right, uint32 bottom, uint32 back)
+		{
+			Left = left;
+			Top = top;
+			Front = front;
+			Right = right;
+			Bottom = bottom;
+			Back = back;
+		}
+
+		[Inline]
+		public static bool operator ==(ResourceBox l, ResourceBox r)
+		{
+			return l.Left == r.Left && l.Top == r.Top && l.Front == r.Front &&
+				l.Right == r.Right && l.Bottom == r.Bottom && l.Back == r.Back;
+		}
+
+		[Inline]
+		public static bool operator !=(ResourceBox l, ResourceBox r)
+		{
+			return !(l == r);
+		}
+	}
+}