Zlecenie: losowy teleport i spawn.

function randLoc(text: text="") :: location:
	while {_return} is not set:
		set {_x} to random integer between -2000 and 2000
		set {_z} to random integer between -2000 and 2000
		set {_loc} to location at {_x}, 256, {_z}
		while block at {_loc} is air:
			set {_loc} to location under {_loc}
			if block at {_loc} is water or lava:
				set {_x} to random integer between -2000 and 2000
				set {_z} to random integer between -2000 and 2000
				set {_loc} to location at {_x}, 256, {_z}
	return {_return}
on first join:
	teleport player to randLoc()

Problem został rozwiązany.