ForbidFirePurp
From NexusWiki
ForbidFirePurp(race, targetunit, purpose, forbid);
If ’forbid’ is not 0, then the ships of the race can use weapons by FREE fire against ’targetunit’ that are not suitable for ’purpose’. You can disable several purposes simultaneously. It can be removed by ’forbid’=0. Disabling is not valid on tFireTo’s target.
