And yesterday night,I finally worked out this main question,with a new way.Now no matter how many guns you have in one ship,I can make all of them fire.
The weapon upgrade system has also been changed.In old system,you can just change or add weapons in 1 positon(A01,A02,S01,S02,S03),but now,you can change the whole part,I mean:you can add or change light flak guns part,or heavy flak guns part,any parts like that.You'll change or add a dozen guns(or even more) to your ship in one time(we know,warships have more and more flak guns in wartime,in 1940 it may has 10 light flak guns,in 1942 with 40,and in 1944 maybe 80,so I mean you can add a lot of guns to your ship with 1 click).I hope I have make my word clear.
So,wait for WSM3.0.
__________________
|