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What do these patterns mean?

 
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Ethereal401
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PostPosted: Fri Jan 15, 2010 12:19 am    Post subject: What do these patterns mean? Reply with quote

I've noticed that some times when I run a scan for a memory address I'll narrow it down to a few dozen or so using the changed value search. Most of these memory address values increase and decrease when I increase and decrease the value, but using the changed value search method some of these values seem to change randomly when I increase or decrease the initial values.

Anyone have any insight on whats going on here?
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noko_112
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PostPosted: Fri Jan 15, 2010 2:00 am    Post subject: Reply with quote

encryption?
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Dark Byte
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PostPosted: Fri Jan 15, 2010 4:34 am    Post subject: Reply with quote

mouse position
music
graphics
ai
calculations
gametimer
etc...
etc...
etc...

those all change constantly
that's why you HAVE to use unchanged scan to filter out the wrong addresses

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Ethereal401
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PostPosted: Fri Jan 15, 2010 12:19 pm    Post subject: Reply with quote

Dark Byte wrote:
mouse position
music
graphics
ai
calculations
gametimer
etc...
etc...
etc...

those all change constantly
that's why you HAVE to use unchanged scan to filter out the wrong addresses


Thank you for your insight Dark Byte, but it's not that simple. I know it's not music, ai, calculations or gametimer.


I believe it may have something to do with mouse position now that I think about it. That would make sense.

Thanks for your help..
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Psy
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PostPosted: Fri Jan 15, 2010 12:44 pm    Post subject: Reply with quote

Ethereal401 wrote:

Thank you for your insight Dark Byte, but it's not that simple. I know it's not music, ai, calculations or gametimer.


How and why?
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Ethereal401
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PostPosted: Fri Jan 15, 2010 12:53 pm    Post subject: Reply with quote

Psy wrote:
Ethereal401 wrote:

Thank you for your insight Dark Byte, but it's not that simple. I know it's not music, ai, calculations or gametimer.


How and why?


Well I know it wasn't music because he same music constantly played in the background. It wasn't ai because there was no ai being used at the time. It wasn't a gametimer, because there are no timers being used at this point.
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Dark Byte
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PostPosted: Fri Jan 15, 2010 3:14 pm    Post subject: Reply with quote

music is build up out of hundreds to millions of different samples
The music player takes a piece of the music, and converts it to data for the audio device. There is a lot of changing memory involved here.

If the music was a constant beep of the same frequency then yes, perhaps the music wasn't changed, but then I wouldn't really call that music


timers include stuff like last time you move the mouse, the last time you scrolled(to make sure scrolling doesn't go too fast), the last time you gave any command, the last time the game updated the display, the time inbetween the last 10 frames

as for ai stuff, who knows, perhaps the programmers have build the game so it even learns when playing without ai ? (not many games do, and most don't even learn anything, but would be cool, and again, involves a lot of memory changing)

also, every pixel on the screen is usually 4 bytes

you might not expect it, but a LOT changes in a game that you are not aware of

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