Adds "line of sight" status to Grid (after the error occurs). The status is disabled seconds later.
The idea being if someone you're healing is LOS, you can dim their frame's transparency temporarily or indicate that you need to maneuver yourself into line of sight.
Donations welcome. There's a donate button here.
Bitcoin address: 13mvJMp8Z38SUAnZ4PgGpio5L2inqWQGsP