//catapult script; fires once every 30 seconds
void main()
{
int nInt;
nInt=GetLocalInt(OBJECT_SELF, "nTimer");

if (!(nInt >= 5))
   {
   nInt += 1;
   SetLocalInt(OBJECT_SELF, "nTimer", nInt);
   return;
   }
object oOperator=GetObjectByTag("Operator");
object oTarget =GetNearestCreature(CREATURE_TYPE_PLAYER_CHAR,PLAYER_CHAR_IS_PC,OBJECT_SELF);
if (GetIsObjectValid(oOperator)&& GetDistanceToObject(oTarget)<58.0 && GetDistanceToObject(oTarget)>18.0)
    {
    ActionCastSpellAtObject(SPELL_FIREBALL, oTarget, METAMAGIC_ANY, TRUE, 10, PROJECTILE_PATH_TYPE_HIGH_BALLISTIC, TRUE);
    }
SetLocalInt(OBJECT_SELF, "nTimer", 0);
}