scoreboard players add @s[scores={dummy_y=..-32}] dummy_y 32

execute unless score @s dummy_y matches ..-16 run function bd:control/warp/warp_to_saved_coords/y/n8
execute if score @s dummy_y matches ..-16 positioned ~ ~-16 ~ run function bd:control/warp/warp_to_saved_coords/y/n8