Cheat Engine

markheloking · Cheater Reputation: 2 Joined: 21 Nov 2009 Posts: 35

So the short version is: how to use a symbol as an offset for a pointer?

See screenshot attached.

How I asked the question initially:

hhhuut · Posted: Thu Jan 14, 2016 8:44 am Post subject:

Instead of "[Pointer]+[Offset]" you could also write "[Pointer]+Offset+0"

markheloking · Cheater Reputation: 2 Joined: 21 Nov 2009 Posts: 35

That indeed does work, but that validates as:

"[Pointer]+Offset+0"
meaning
Value that pointer points to (10210600, itself another pointer) + the address of the offset (0BD60040) + 0
aka
10210600 + 0BD60040 + 0 = 1BF70640

So that does not solve my problem since I need to add the value that is stored in the symbol "Offset", not the address of that symbol.

hhhuut · Posted: Thu Jan 14, 2016 8:57 am Post subject:

Could you probably provide a screenshot?

markheloking · Cheater Reputation: 2 Joined: 21 Nov 2009 Posts: 35

At the moment I'm in the middle of figuring out a structs contents using that same table, so I'll screenshot in a minute.

Zanzer · Posted: Thu Jan 14, 2016 9:01 am Post subject:

With your instruction that sets the value of "offset", simply make it add "pointer" there as well.

hhhuut · Posted: Thu Jan 14, 2016 9:02 am Post subject:

So you want to follow a pointer with assembler?

markheloking · Cheater Reputation: 2 Joined: 21 Nov 2009 Posts: 35

Well not really. In a piece of assembly code I catch the pointer (because this changes a lot, and catching it this way is waaaay easier plus I don't think there is a toplevel pointer because of the way this game is build). I then put this pointer (in this case the 10210600) in a piece of allocated space, and give that a symbol name and register that symbol. This basically sets me up so that in my own allocated space (address 0BD60038, named Pointer by a registered symbol) the address of this pointer is stored (10210600).

I do all this because I want to show the value of 10210600+40 in my table.

hhhuut · Posted: Thu Jan 14, 2016 9:13 am Post subject:

So you want the read the pointer from my attached screenshot in assembler language, did I get that right?

markheloking · Cheater Reputation: 2 Joined: 21 Nov 2009 Posts: 35

See attached images.

If I use [Pointer]+Offset+0 it doesn't resolve btw, but if I use [Pointer]+Offset then it does.
I don't use the pointer screen from cheatengine, jus tthe "add address manually".

What I Get contains: [Pointer]+Offset
What I Want contains: [Pointer]+40 (manually entered the offset here so you see what it's supposed to produce as output in the table)

hhhuut · Posted: Thu Jan 14, 2016 9:43 am Post subject:

Well, you try to fill in a pointer into a single address. Click on the checkbos which reads "Pointer" and you're box will look like the one from my screenshot.

There you can fill in your Base in the big edit field below and the offset in the small (just as I did).

markheloking · Cheater Reputation: 2 Joined: 21 Nov 2009 Posts: 35

If it doesn't resolve you just get to see this in the table.

Please note that the actual names for the pointer and offset are different (longer) but end in offset and pointer so you still get what I mean.

CharacterUnlockScreenBasePointer = Pointer
CurrentSelectedCharOffset = Offset

[EDIT]
So if I use the pointer screen as you said (which effectively does the same thing, but rather with a GUI), you see the problem: you can't use a symbol as an offset!
See screenshot attached

hhhuut · Posted: Thu Jan 14, 2016 10:02 am Post subject:

Hm, then CE isn't capable of that ... But there's a workaround:

markheloking · Cheater Reputation: 2 Joined: 21 Nov 2009 Posts: 35

Hmmm... I'm going to steal that code for other purposes (the threading and such, haven't familiarized myself with that stuff yet). It's quite obsolete though as it's literally only 3 rows of extra code in my script (for now). I was just wondering if it was possible to work that magic with multiple offsets and such (especially if I'm trying to do something without scripts).

Thank you though.

@dark_byte why isn't it possible to use a symbol as offset or stuff like:

[Pointer]+Offset1+Offset2

Very often you have games and programs using multiple layers of offsets (linked lists or structs would come to mind).

mgr.inz.Player · Posted: Thu Jan 14, 2016 10:09 am Post subject:

Too bad I didn't read your topic yesterday.

My response would be: "just use another user symbol"