function mesecon:swap_node(pos, name) local node = minetest.env:get_node(pos) local data = minetest.env:get_meta(pos):to_table() node.name = name minetest.env:add_node(pos, node) minetest.env:get_meta(pos):from_table(data) end function mesecon:move_node(pos, newpos) local node = minetest.env:get_node(pos) local meta = minetest.env:get_meta(pos):to_table() minetest.env:remove_node(pos) minetest.env:add_node(newpos, node) minetest.env:get_meta(pos):from_table(meta) end function mesecon:addPosRule(p, r) return {x = p.x + r.x, y = p.y + r.y, z = p.z + r.z} end function mesecon:cmpPos(p1, p2) return (p1.x == p2.x and p1.y == p2.y and p1.z == p2.z) end