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FarmVille 2: Country Escape

 
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tgp1994
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Joined: 28 Feb 2008
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PostPosted: Mon Dec 04, 2017 11:34 pm    Post subject: FarmVille 2: Country Escape Reply with quote

So I thought I'd try playing around with FarmVille 2: Country Escape for the lols and whatnot. Last I checked, this is a Unity game, client-side with support for syncing save data at the end of a session. It's on both PC and mobile. To start, you attach Cheat Engine to the process FVCE.exe.

The big microtransaction currency is "keys". I discovered a trick for finding the 4-byte value; you do an AOB search for 1C FE E8 15 03 00 00 00, then find the first result. Your value starts at offset -0x8.

After I think an update a day or two ago, my little trick no longer works. I can't find that AOB anywhere in memory. If I do scans for the 4-byte value I'm looking for, those come back empty too. I've also tried the unknown initial value method, and scanning for floats.

Does anyone have any guesses as to why I can't find the value anymore? I doubt they made the game serverside in a little patch, and even then, I'd think I would still be able to find the value somewhere in memory.

Edit: Now it seems to be randomly working on and off. Sometimes 4 byte scans work, other times not. You also have to be faster in your searches, since memory locations are changed more often now. This is also the pattern I look for in memory:

Code:
FF FF FF FF [4 byte value] [6C F3, sometimes varies] [[0C 06 84 C4 AB 53 FF FF FF FF]]


Note the last 10 bytes, those always seem to be the same now.
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Ginlace2
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Joined: 27 Dec 2017
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PostPosted: Wed Dec 27, 2017 11:08 am    Post subject: Reply with quote

I use Memu, an android emulator, and with a 4 byte scan, keys are easily found. Actually just about everything is editable. I have changed the max capacity of the silo and warehouse, as well as all items in it.

With Memu, you attach CE to memuheadless.exe
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tgp1994
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Joined: 28 Feb 2008
Posts: 31

PostPosted: Wed Dec 27, 2017 1:43 pm    Post subject: Reply with quote

Ginlace2 wrote:
I use Memu, an android emulator, and with a 4 byte scan, keys are easily found. Actually just about everything is editable. I have changed the max capacity of the silo and warehouse, as well as all items in it.

With Memu, you attach CE to memuheadless.exe


Yup, same thing with Android natively. Just search for the value and you'll eventually find it.
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