COM_AddCommand('atmetalchars', function(player, arg)
    if player.valid == false then
        return
    end
    if player.valid == true then
        if arg == nil then
            CONS_Printf(player, '1 = airtight')
            CONS_Printf(player, '0  = permeable')
        else
            if arg == ('0') then
                player.metalwater = false
                print('Machines are now permeable.')
                return
            end
            if arg == ('1') then
                if player.mo.skin == "eggman" or player.mo.skin == "eggette" then
                    return
                end
                if player.metalwater == nil or player.metalwater == false then
                    player.metalwater = true
                    print('Machines are now airtight.')
                end
            end
        end
    end
end, COM_ADMIN)

addHook("PlayerThink", function(player)
	if player.metalwater == nil then
		player.metalwater = false
	end
	if player.metalwater and (player.charflags & SF_MACHINE) then
		player.powers[pw_underwater] = 1202 * TICRATE
		player.powers[pw_spacetime] = 1202 * TICRATE
	end
end)