using heirarchy for definitions implemented.

RecrownedAthenaeum/UI/Modular/Modules/Interactive/Button.cs

@@ -64,6 +64,18 @@ namespace RecrownedAthenaeum.UI.Modular.Modules.Interactive
             highlightedTexture = skin.GetTextureAtlasRegion(skinDefinition.selectedRegion);
         }
 
+        /// <summary>
+        /// Instantiates a button using a definition.
+        /// </summary>
+        /// <param name="skin">The skin the definition is defined in.</param>
+        /// <param name="skinDefinition">The definition itself.</param>
+        public Button(ISkin skin, ButtonSkinDefinition skinDefinition) : 
+            this(skin.GetTextureAtlasRegion(skinDefinition.downRegion), 
+                skin.GetTextureAtlasRegion(skinDefinition.upRegion), 
+                skin.GetTextureAtlasRegion(skinDefinition.disabledRegion), 
+                skin.GetTextureAtlasRegion(skinDefinition.selectedRegion))
+        {}
+
         /// <summary>
         /// Draws the button.
         /// </summary>