function clone_node(name) node2={} node=minetest.registered_nodes[name] for k,v in pairs(node) do node2[k]=v end return node2 end furnace=clone_node("default:furnace") furnace.groups.tubedevice=1 furnace.groups.tubedevice_receiver=1 furnace.tube={insert_object = function(pos,node,stack,direction) local meta=minetest.get_meta(pos) local inv=meta:get_inventory() if direction.y==1 then return inv:add_item("fuel",stack) else return inv:add_item("src",stack) end end, can_insert=function(pos,node,stack,direction) local meta=minetest.get_meta(pos) local inv=meta:get_inventory() if direction.y==1 then return inv:room_for_item("fuel",stack) elseif direction.y==-1 then return inv:room_for_item("src",stack) else return 0 end end, input_inventory="dst"} furnace.after_place_node= function(pos) tube_scanforobjects(pos) end furnace.after_dig_node = function(pos) tube_scanforobjects(pos) end minetest.register_node(":default:furnace",furnace) furnace=clone_node("default:furnace_active") furnace.groups.tubedevice=1 furnace.groups.tubedevice_receiver=1 furnace.tube={insert_object=function(pos,node,stack,direction) local meta=minetest.get_meta(pos) local inv=meta:get_inventory() if direction.y==1 then return inv:add_item("fuel",stack) else return inv:add_item("src",stack) end end, can_insert=function(pos,node,stack,direction) local meta=minetest.get_meta(pos) local inv=meta:get_inventory() if direction.y==1 then return inv:room_for_item("fuel",stack) elseif direction.y==-1 then return inv:room_for_item("src",stack) else return 0 end end, input_inventory="dst"} furnace.after_place_node= function(pos) tube_scanforobjects(pos) end furnace.after_dig_node = function(pos) tube_scanforobjects(pos) end minetest.register_node(":default:furnace_active",furnace) chest=clone_node("default:chest") chest.groups.tubedevice=1 chest.groups.tubedevice_receiver=1 chest.tube={insert_object = function(pos,node,stack,direction) local meta=minetest.get_meta(pos) local inv=meta:get_inventory() return inv:add_item("main",stack) end, can_insert=function(pos,node,stack,direction) local meta=minetest.get_meta(pos) local inv=meta:get_inventory() return inv:room_for_item("main",stack) end, input_inventory="main"} chest.after_place_node = function(pos) tube_scanforobjects(pos) end chest.after_dig_node = function(pos) tube_scanforobjects(pos) end minetest.register_node(":default:chest",chest)