How to change submarine availability?

[ETR3(SS)]

Originally Posted by william"hawkeye"

I've downloaded a mod that adds a new USS Tench, (https://www.subsim.com/radioroom/sho...d.php?t=230896) and I want to be able to play it earlier on, in maybe the 1941 or 42 campaign. Do any of you happen to know how to do this? Help would be appreciated. Thank you

Hey, mod author here. Go into Silent Hunters Wolves of the Pacific\MODS\SS 417 Tench\Data\UPCData\UPCCampaignData and open the CareerStart.upc file in a text editor. Under [CareerStart 2] change the IDLinkUserPlayerUnits line under the Pearl Harbor entry to read IDLinkUserPlayerUnits= F1Porpoise, 4, F1Tambor, 5, F1Gar, 4, F1Gato, 5, F1Tench, 5 and that will give you a Tench in 1942.


Be aware as others have stated you won't have 1945 tech on your boat and will have to add whatever flak guns, radar, deck gun, and torpedoes are available at that time.

[Moonlight]

Originally Posted by ETR3(SS)

IDLinkUserPlayerUnits= F1Porpoise, 4, F1Tambor, 5, F1Gar, 4, F1Gato, 5, F1Tench, 5 and that will give you a Tench in 1942.

What are those numbers for?, is it for the amount of boats available so the game gives you a probability of getting a boat with a different name or something?.

[ETR3(SS)]

Originally Posted by Moonlight

What are those numbers for?, is it for the amount of boats available so the game gives you a probability of getting a boat with a different name or something?.

Taking a guess I'd say it might have something to do with naming as you stated or probability of getting a boat of X class when offered an upgrade. Or it could be a leftover unimplemented game mechanic.


Edit to add better explanation after reading Bubbleheads post:


IDLinkUserPlayerUnits= F1Porpoise, 4



Yellow highlight references Flotillas.upc. Each boat will have its own [Flotilla X.UserPlayerUnitType X] entry. F for Flotilla number, Pearl for example is Flotilla 1.


Red highlight also references Flotillas.upc under its appropriate entry for UnitTypeCommonality=. This has a number associated with it and the note in the file states "to be used when a random choice is assigned." That could have something to do with what boat you get offered, but I haven't tested this aspect.

[Bubblehead1980]

Originally Posted by Moonlight

What are those numbers for?, is it for the amount of boats available so the game gives you a probability of getting a boat with a different name or something?.

I believe they are Flotilla numbers (Flotilla 1 is Sub Pac) and are linked to the boats available at different commands on different time periods etc. Fremantle is F2 I believe. Also believe they are linked to the orders player receives based on flotilla and type of submarine. I.E. prevents player based in Fremantle (F2, I think it is) being assigned to patrol off Honshu and vice versa.

Only thing is in TMO I have restored (mostly) the function to start a patrol in say Pearl Harbor , patrol en route, and complete patrol at Fremantle. This was often done when boats were switching commands. Used to be standard in the game and was changed for some reason and now have the very gamey instant transfer which I honestly..dislike. Adds a lot to sail from Pearl, patrol South China sea, etc then end in Australia. Same if do a new construction career. After sea trials, instead of magical transfer to Pearl, you sail from San Francisco. May run across an IJN submarine if in early war or an anxious "Friendly" patrol plane that bombs you, or anxious escort mistaking you for a japanese submarine.

Trying to restore the Balao seas trials as well, not sure why they were eliminated.