Cheat Engine

idk31 · Cheater Reputation: 1 Joined: 11 Jan 2016 Posts: 42

Hello CE Community. I can't figure this one out.

I made a script using AOB Injection to find an address. It works for me but not for a friend. With my help, he can find the address manually. He can edit the value and see results in-game as expected, but the script that should find it doesn't find it. The game is DMC Devil May Cry. The target address controls scene desaturation (black and white). While that may not seem very interesting, it's easy to test that we are close to the interesting stuff like DOF and tonemapping.

I had him follow steps to recreate the script. What he finds is identical. Same injection point and AOB string. It is all straightforward. Manually scanning the AOB string, he finds one result. Clicking "Find out what accesses this address" on the address gives one result. Going to the instruction and clicking "Find out what address this instruction accesses" gives one result -- the original address. Making an AOBscan for the instruction produces exactly what I sent him originally. When he adds the script, makes my edits (to make a symbol for it), creates the pointer (symbol+offset) and activates the script...nothing happens. See here (his screencap).

So, we can verify this address exists for him and value is editable. He found the same AOBscan for it. The same script that works for me just doesn't for him. Anyone have an idea why? I have made a few successful freecam tables. I feel pretty good that this should work and that he is doing everything right.

The table: here.

The code: // edited to make a new symbol, _dof

ParkourPenguin · Posted: Thu Jul 07, 2016 5:54 pm Post subject:

I notice all the pointers are pointing at addresses just past 0. If I had to guess, your friend isn't doing whatever is needed in order for the game to run that section of asm. If you just leave the game paused, that asm may never run, and that symbol will stay at its initialized value (0).

idk31 · Cheater Reputation: 1 Joined: 11 Jan 2016 Posts: 42

++METHOS · Posted: Thu Jul 07, 2016 6:21 pm Post subject:

Make sure he activates the script first, before adding/creating the pointer addresses to the table.

If that still doesn't work, then the instruction that he is hooking is not getting accessed, for whatever reason.

ParkourPenguin · Posted: Thu Jul 07, 2016 6:26 pm Post subject:

You are using a code injection to get the base address of something.

A code injection changes the game's code and redirects it to your code.

If the game never runs the code, it will not be executed.

The symbol _dof will not get populated until that code is executed.

Therefore, the game needs to run that code in order for _dof to point to the address you want.

If the game does not run that code, _dof will remain at 0, and will result in the addresses shown in your friend's image. When the game does run that code, _dof is populated with the correct address, which results in the addresses shown in your image.

STN · Posted: Thu Jul 07, 2016 11:12 pm Post subject:

This will help

https://en.wikipedia.org/wiki/Control_flow

idk31 · Cheater Reputation: 1 Joined: 11 Jan 2016 Posts: 42

panraven · Posted: Fri Jul 08, 2016 3:56 am Post subject:

sorry, useless comment due to careless reading~_~

<--deleted->

ParkourPenguin · Posted: Fri Jul 08, 2016 8:52 am Post subject:

Are you certain it's also running several hundred times a second for him?

If you both have the exact same table (i.e. your friend did not mess with it at all), then the symbol is not being populated for your friend. The only reasonable explanation (I can think of) is that code is not being run for him.

idk31 · Cheater Reputation: 1 Joined: 11 Jan 2016 Posts: 42

cooleko · Posted: Fri Jul 08, 2016 9:21 am Post subject:

If he can build it himself, but it still wont work, then something is off.
That something is him.

Get a new friend, or ask him to turn himself off and on again to fix all bugs.
He could try his computer too.

I was intrigued until you stated you walked him through the process of making it himself, generated the same code, and he still managed to make the code not work!

In the interests of fixing his problem, have him download the newest CE. Check your CE settings against his.
Make him stand in game where you are standing, looking where you are looking, with game settings exactly as yours, eventually you will figure out what he is doing wrong. Make him describe EVERYTHING. Eventually, you will get an "oh" out of him or you will hit yourself in the face when you realize what he is doing wrong.

I understand your pain, because I too, have a friend like this, and things don't work for him because he is intellectually challenged. I still love him but he just breaks things by being incompetent. His favorite statement when it comes to fixing his problems "you didn't tell me i needed to *turn the computer on*, *start CE*, *open the game*, *connect ce to the process*, *activate the script*, *something insanely simple that anyone with a heartbeat should instinctively know*"

idk31 · Cheater Reputation: 1 Joined: 11 Jan 2016 Posts: 42

cooleko · Posted: Fri Jul 08, 2016 9:41 am Post subject:

My friend is also too far away for me to be in person, that is why I described my process for remotely fixing his problems. But, I did assume you could skype/talk with him.

ParkourPenguin · Posted: Fri Jul 08, 2016 10:15 am Post subject:

Another thought is that maybe another script is interfering with that one, but I figure both you and your friend have tested that already.

I'll still assert that [_dof] == 0. Tell your friend to activate the script, set a breakpoint at the injection point, step through it, and figure out what's going on.

++METHOS · Posted: Fri Jul 08, 2016 12:41 pm Post subject: