code_language.skript:
on rightclick:
player's tool is a compass named "<yellow>Spectate players":
cancel event
set {_slot} to 0
open virtual chest inventory with size 6 named "Spectate players" to the player
loop all players in event-world:
if {spc::%loop-player%} is not set:
format gui slot {_slot} of player with loop-player's skull named "%loop-player%" to run player command "/teleport %loop-player%"
add 1 to {_slot}