Another restructure with code updates.

Updated RectTextrue.cs, VertexInformation.cs, and IDrawable.cs to properly pass indice information.

RecrownedGTK/Graphics/Render/IDrawable.cs

@@ -0,0 +1,12 @@
+using OpenTK;
+namespace RecrownedGTK.Graphics.Render {
+    public interface IDrawable
+    {
+        /// <summary>
+        /// Fills the parameters with the information needed to draw this texture.
+        /// </summary>
+        /// <param name="vertices">The vertices in pairs of 3 normalized in the order x, y, and z.</param>
+        /// <param name="textureData">The texture data to be used. Can be null.</param>
+        void Draw(out VertexInformation[] vertices, out uint[] indices, out TextureData textureData);
+    }
+}