scoreboard players add @s[scores={dummy_y=..-8192}] dummy_y 8192

execute unless score @s dummy_y matches ..-4096 run function bd:control/warp/warp_to_saved_coords/y/n2048
execute if score @s dummy_y matches ..-4096 positioned ~ ~-4096 ~ run function bd:control/warp/warp_to_saved_coords/n/p2048