Craftguide: Add icon for shapeless recipes

mods/craftguide/init.lua

@@ -100,21 +100,29 @@ function craftguide:get_recipe(iY, xoffset, tooltip, item, recipe_num, recipes)
 				recipe_num.." of "..recipes_total.."]"
 	end
 	local recipe_type = recipes[recipe_num].type
-	if recipe_type == "cooking" then
-		formspec = formspec..
-			"image["..(xoffset-0.8)..","..(iY+1)..
-				".5;0.5,0.5;craftguide_furnace.png]"
-	end
 
 	local items = recipes[recipe_num].items
 	local width = recipes[recipe_num].width
-	if width == 0 then
+	local is_shapeless = false
+	if recipe_type == "normal" and width == 0 then
+		is_shapeless = true
 		if #items <= 4 then
 			width = 2
 		else
 			width = min(3, #items)
 		end
 	end
+
+	if recipe_type == "cooking" then
+		formspec = formspec..
+			"image["..(xoffset-0.8)..","..(iY+1)..
+				".5;0.5,0.5;default_furnace_front_active.png]"
+	elseif is_shapeless then
+		formspec = formspec..
+			"image["..(xoffset-0.8)..","..(iY+1)..
+				".5;0.5,0.5;craftguide_shapeless.png]"
+	end
+
 	local rows = ceil(maxn(items) / width)
 	local btn_size, craftgrid_limit = 1, 5