Animal Crossing: New Leaf QR Codes

Discussion in '3DS - Hacking & Homebrew' started by Sere, Mar 19, 2013.

Mar 19, 2013
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    Sere New Member

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    does anyone have any suggestions on trying to hack into these? There's a lot of restrictions that have bothered some people (you can't edit (not even to change a color) or display them in the Able sister's and you can't even scan QR codes until after 11 days at the earliest) so I've been trying to look into ways to do so to see the underlaying pattern the QR code is made of.

    is this possible? I haven't seen a topic about it and the game has been out in Japan for over 5 months now (and over a month and a half in Korea), so I hope asking is okay.
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    nukeboy95 Leave luck to heaven.

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    wait until usa release then more people will start to care about it
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    Pong20302000 i might be a Horcrux

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    nukeboy95 Leave luck to heaven.

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    cough fast forward time cough
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    Pong20302000 i might be a Horcrux

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    its in game days, not actual days

    the game knows if you change the 3DS clock :P
    Last edited by Pong20302000, Mar 19, 2013
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    gamer765 New Member

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    #skynet
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    Sere New Member

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    Actually, they don't choose. They are automatically locked to both the player and the maker if they do it with no warning. So, if you make an outfit and decided you want to make it in other colors, but have already made a QR of it and didn't save a copy, you actually have to recreate the entire outfit.

    I saw the hacking of QR's in Crashmo and Pushmo, which are also created by people, which is why I asked.

    nukeboy - not fond of fast forwarding time and you'd have to do it one day at a time anyway since you have to talk to Sable 11 days in a row.
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    Achilles New Member

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    Sere New Member

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    Although, I'm more looking into how to take the QR codes apart back for the image/pattern it's made of over making them--I suppose that is part of it. Maybe I'll see if I can contact them :/ Although, not sure what to ask.
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    Achilles New Member

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    Well this iPhone app lets you scan QR codes and it shows a little preview of the design after you're done. I think it even lets you change the creator of a code... it's not well documented though... still investigating.
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    Friendsxix GBATemp's Autistic Pikachu

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    I took a cursory examination of the QR Codes awhile back, and I was able to successfully alter a pattern and its name in a hex editor. I was also able to scan the code again, and the game accepted it. This proves two points: 1) The QR codes are not encrypted, and 2) There is no bizarre checksum scheme going on.

    (Also, I believe I used a QR code compressor/decompressor intended for Pushmo to get the actual data from the code, as well as to write new ones.)
    Last edited by Friendsxix, Mar 19, 2013
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    Sere New Member

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    Seriously? That is awesome and helps a lot. Going to look into the QR code compressor/decompressor for Pushmo then at the least for now
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    Friendsxix GBATemp's Autistic Pikachu

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    Yeah. Of course, I didn't test this with "pro" designs, only with the individual patterns. I'd imagine it'd be very similar, but can't say that with 100% certainty.
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    Sere New Member

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    Yeah--I think the biggest thing though is just all the different sizes which could cause some issues.
    Hats, Shirts, and general patterns are still 32x32.
    Dresses are 32x48
    Short sleeves are 16x16
    Long Sleeves are 16x32
    Faceboards are 52x64 (which has an area in the center that you can't edit as it's where a player's face goes through)

    At the very least, I'm mostly just hoping to find the pattern underneath (so like the old 32x32 graph pictures people would take pictures of for others so they could make it in their game before this QR thing) it over actually rebuilding/editing QRs which I'm hoping will make it less complicated so I can just make/pixel them in like... photoshop and save to make on Day 1.
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    Riversong New Member

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    So I keep seeing these creations pop up all over the place. Any ideas on how they are being made. I am not a very good artist, so I would appreciate it if someone knew where an easy to use generator is. I found one for the Android OS, but I am not sure how to use it. Suggestions?
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    chartube12 New Member

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    QR codes themselves will never be encrypted, even thinking that is plain silly. They are a new generation of barcodes. Like barcodes it's the store/app/program that decides how the code works/ is for. Those programs or system using them can be encrypted, but the barcodes/QR_codes never.

    Through trial and error people have figured out how the qr codes pattern is handled by different apps. In this case animal crossing has been out in Japan since november. By alternating various qr codes officially available for the game until they got working altered ones, they slowly learned what change in patterns worked, and didn't. Once they learned how the qr codes are handled by the game, it was a piece of cake to make an app for making their own qr codes.
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    chrisluna413 New Member

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    it's 2013 and their fourth game so they may have found a way past that. it was an easy trick people used and it's even easier to ftop it from happening again, assuming they want to.
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    chrisluna413 New Member

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    hes not very bright lol.

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