Retrieves name or id of the portrait of a crew member.
If the crew member has an individually stored portrait, the function returns "custom" and the id NONE. Also see the table and description of the fCopyGfx parameter in
SetPortrait
if(!WildcardMatch(GetPortrait(0, 0, 1), "?") )
SetPortrait("random", 0, GetPortrait(0, 1, 1), 1);
Assigns a random portrait to this clonk if the name of the current portrait is not just an index (i.e. "1", "2", "3") but a full portrait name (i.e. "Armored1", "Armored2").