-- - getpos(): returns {x=num, y=num, z=num}
-- - setpos(pos); pos={x=num, y=num, z=num}
-- - moveto(pos, continuous=false): interpolated move
+-- - get_wielded_itemstring()
+-- - get_wielded_item()
+-- - damage_wielded_item(num) (item damage/wear range is 0-65535)
-- - add_to_inventory(itemstring): add an item to object inventory
-- - add_to_inventory_later(itemstring): like above, but after callback returns (only allowed for craftitem callbacks)
-- - get_hp(): returns number of hitpoints (2 * number of hearts)