void main()
{
    object oMe=OBJECT_SELF;
    object oDeployed=GetLocalObject(oMe,"oDeployed");
    int bDeployed=GetLocalInt(oMe,"bDeployed");
    object oTarget=GetLocalObject(oMe,"oTarget");
    object oEnemy=GetNearestCreature(CREATURE_TYPE_IS_ALIVE,TRUE,oMe,1,CREATURE_TYPE_REPUTATION,REPUTATION_TYPE_ENEMY,CREATURE_TYPE_PERCEPTION,PERCEPTION_SEEN);
    if (oDeployed!=OBJECT_INVALID&&bDeployed)
    { // artillery is deployed
      if (oEnemy==OBJECT_INVALID||GetDistanceBetween(oEnemy,oMe)>10.0)
      { // no enemy concerns
        // processed on heartbeat
      } // no enemy concerns
      else
      { // self defense
        ExecuteScript("nw_c2_default3",oMe);
      } // self defense
    } // artillery is deployed
    else
    { // normal
      ExecuteScript("nw_c2_default3",oMe);
    } // normal
}