Add refined iron, machine block and generator craft

compatibility.lua

@@ -461,6 +461,7 @@ if industrialtest.mclAvailable then
 			}
 		})
 	end
+	industrialtest.gameTexturePrefix="mcl"
 	-- FIXME: Formspecs when used with MCL are misaligned, to fix that and also preserve compatibilty
 	-- with MTG MCL has to stop using legacy formspec coordinates ~mrkubax10
 	industrialtest.formspecVersion=function()
@@ -474,7 +475,9 @@ if industrialtest.mclAvailable then
 	end
 	-- assign element keys for elements that are required later
 	industrialtest.elementKeys.stick="mcl_core:stick"
+	industrialtest.elementKeys.ironIngot="mcl_core:iron_ingot"
 	industrialtest.elementKeys.powerCarrier="mesecons:mesecon"
+	industrialtest.elementKeys.furnace="mcl_furnaces:furnace"
 	
 	-- register required minerals that are not available in MCL
 	industrialtest.registerMetal("tin","Tin",3,3)
@@ -630,10 +633,13 @@ elseif industrialtest.mtgAvailable then
 	industrialtest.formspecPlayerInv=function()
 		return "list[current_player;main;0.5,6.25;8,1]list[current_player;main;0.5,7.5;8,3;8]"
 	end
+	industrialtest.gameTexturePrefix="mtg"
 	industrialtest.elementKeys.tinIngot="default:tin_ingot"
 	industrialtest.elementKeys.bronzeIngot="default:bronze_ingot"
+	industrialtest.elementKeys.ironIngot="default:steel_ingot"
 	industrialtest.elementKeys.stick="default:stick"
 	industrialtest.elementKeys.powerCarrier="default:mese_crystal_fragment"
+	industrialtest.elementKeys.furnace="default:furnace"
 else
 	error("No compatible games found!")
 end