weapon.explosive = true;
    public static WeaponType createISLAC20() {        WeaponType weapon = new WeaponType();            weapon.techLevel = TechConstants.T_IS_LEVEL_3;        weapon.name = "Light Auto Cannon/20";        weapon.setInternalName(weapon.name);        weapon.addLookupName("IS Light Auto Cannon/20");        weapon.addLookupName("ISLAC20");        weapon.addLookupName("IS Light Autocannon/20");        weapon.heat = 7;        weapon.damage = 20;        weapon.rackSize = 20;        weapon.ammoType = AmmoType.T_LAC;        weapon.shortRange = 2;        weapon.mediumRange = 4;        weapon.longRange = 6;        weapon.extremeRange = 8;        weapon.tonnage = 9.0f;        weapon.criticals = 6;        weapon.flags |= F_DIRECT_FIRE | F_BALLISTIC;        weapon.bv = 118;        weapon.cost = 325000;            return weapon;    }