make it work with either mintest default game or mineclone2

init.lua

@@ -26,16 +26,32 @@ minetest.register_tool("hammermod:steel_hammer", {
 
 })
 
+minetest.register_on_mods_loaded(function()
+	local ingredients = {
+		stick = "default:stick",
+		ironBlock = "default:steelblock",
+		ironIngot = "default:steel_ingot"	
+	}
+
+	if(minetest.registered_nodes["mcl_core:ironblock"]) then
+		ingredients = {
+			stick = "mcl_core:stick",
+			ironBlock = "mcl_core:ironblock",
+			ironIngot = "mcl_core:iron_ingot"
+		}
+	  
+	end
+	minetest.register_craft( {
+		output = 'hammermod:steel_hammer',
+		recipe = {
+		    {ingredients.ironIngot, ingredients.ironBlock, ingredients.ironIngot},
+		    {'', ingredients.stick, ''},
+		    {'', ingredients.stick, ''}  
+		},
+	    }
+	)
+end)
 
-minetest.register_craft( {
-        output = 'hammermod:steel_hammer',
-        recipe = {
-            {'mcl_core:iron_ingot', 'mcl_core:ironblock', 'mcl_core:iron_ingot'},
-            {'', 'mcl_core:stick', ''},
-            {'', 'mcl_core:stick', ''}  
-        },
-    }
-)
 
 
 local steelHammerDigs = {}