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Discussion in '3DS - ROM Hacking, Translations and Utilities' started by Polarise, Oct 18, 2016.
Hello, how does one datamine a 3ds game? I have a 3ds with a9lh if that is step one.
It involves reading different file formats, sometimes brand new ones. Basically, prior ROM hacking experience is required.
LOL datamine is not what you think. It's literally analyzing every piece of code and assets from the game to find hidden textures, mechanics and other stuff.
It's not for guys like you. Why would you want to anyway?
Well not step one since you don't even need a 3DS at all......... If you have to ask what data mining is than you probably lack the experience to actually "mine data".
You pick up game
Does game say 3DS?
Yes? It's 3DS
No: Not 3DS.
Just answer the guy. I'm also pretty curious. After all, don't we all start at square one ?
Fair enough. Start by reading THIS. I'm just saying google is your friend. research how to decrypt and unpack ROM files and you'll be well on your way. Hence why the first response said rom hacking experience is necessary. How are you going to know where/what to do with the files you extract if you've never done it before? I agree we all start somewhere but you have to help yourself first. Spoonfeeding is pretty frowned upon, not to mention arrogant if someone expects someone else to walk them through a process they know nothing about.
So just dump and decrypt the game for the romfs?
More or less. Than you can figure out how to open new/existing file extensions to actually view the data when the majority of it is compressed. So you'll need to find a way to decompress the files, then find a way to open the containers to view the data. Data can be stored in a wide variety of file containers and another reason why people say data mining is for people with experience. The further you get, the more questions you'll have (obviously) and people may or may not want to hold someone's hand. Meaning if you're not familiar with how data works in general when it comes to ROMS, where it's usually stored, general file containers etc then you're going to hit a road block every step of the way.
It's basically like saying you want to build your own super computer without knowing the different components of the system and how they work together. Sure, someone could teach you the process but without understanding what you're doing they pretty much have to do it for you. My advice is to research information regarding ROMs and the type of info stored, the file containers that are seen often etc etc before you try to mess with them.
datamine-> looking for stuff in game code
NOT determine -> to know if it's a 3ds game
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"deep" "datamine" (a name that i just invented) also envolves searching in the "empty" areas inside the memory about leftovers, deleted content, unnused content etc...
https://tcrf.net/The_Cutting_Room_Floor is a site dedicated to researching unused and cut content from video games.
in a demo you can find lefovers and clues about the real game...
for example the Pokemon list and sprites that are not used on the demo were retrieved from the demo
but yeah, this requires some programming and some skills and sometimes even build tools (when there is a new type of file\data)
Thank you. And I did use Google, which led me here.