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Sonic Adventure 2 Hacking

Discussion in 'Engineering & Reverse Engineering' started by Turbohog, Feb 20, 2012.

  1. BlazeHedgehog

    BlazeHedgehog

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    If we can get a mod that removes Sonic's soaps and goes back to his old shoes, I would be super A-OK with that.

    Just sayin'.
     
  2. CrashSG32

    CrashSG32

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    ^It's been done, but I can't post a link because I'm on my phone :/

    Look it up on YouTube, that's where I found it :)
     
  3. BlazeHedgehog

    BlazeHedgehog

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    For the Dreamcast version, though? And with correct animations for grinding and such? Because I remember somebody from here or SonicCult was messing around with that years ago and got it sort of working but not entirely. I think it might've been Grap3?
     
  4. CrashSG32

    CrashSG32

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    ^Here's the video I was talking about:

    http://www.youtube.com/watch?v=ORtfZtbMBw4&feature=youtube_gdata_player

    To answer your questions:
    Yes, it is a Dreamcast SA2 hack.
    I'm not sure about about correct animations, as it is just a texture edit, I think.
     
  5. BlazeHedgehog

    BlazeHedgehog

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    Yeah, that's just a texture edit. And not a very good one, it looks like.
     
  6. darkspines35

    darkspines35

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    Welp, that could be very possible if we can figure out how the game loads certain nodes that have only vertex or poly data. The shoes and body pieces seem to be handled in this funky way. It's also possible Sonic may still have the original shoes in SA2B, but there's not current way to confirm it other than the textures popping up in cutscene files, which could be for any number of reasons.
     
  7. gold lightning

    gold lightning

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    I'm not an expert by any means, but couldn't replacing Sonic's shoes be accomplished by borrowing some data from the trial build shown here?
    [youtube]http://www.youtube.com/watch?v=ybdEXBWaRLc[/youtube]
    Of course it probably takes more effort than simply swapping files, but it might be a good place to start.
     
  8. darkspines35

    darkspines35

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    Essentially, but it has to be endian swapped since SA2 was Little Endian and SA2B is Big Endian. And with putting them in SA2, you could just swap files. But there's issues when Sonic gets the flame ring and magic hands. That's about all I can say in regards to it really, haha.
     
  9. BlazeHedgehog

    BlazeHedgehog

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    Like I said, I think grap3 succeeded in getting classic shoes from the demo to load in the full game years ago, but it messed up Sonic's grinding animation and the game had a tendency to crash a lot if I recall correctly.
     
  10. darkspines35

    darkspines35

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    PolygonJim did it too, he even swapped Metal over Shadow there at one point. I don't remember how crashy crashy he said it was though.
     
  11. Aerosol

    Aerosol

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    Sonic (?): Coming summer of 2055...?
    Too easy! Like sugar-cake!. Good times.

    In any event, I wonder if Sega put those shoes in so that people were left unaware of Sonic's new kicks for that game?
     
  12. Knucklez

    Knucklez

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    Regardless, they were horrendous in the game, although they looked pretty hot in the official artwork.
     
  13. Aerosol

    Aerosol

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    Sonic (?): Coming summer of 2055...?
    Oh god yea. He looked weighted down by his shoes. As if they were two or three sizes too large. Higher polygon resolution might've made them look positively badass.

    Blender 2.63 needs to hurry the fuck up
     
  14. darkspines35

    darkspines35

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    http://www.youtube.com/watch?v=qfLVStGXc2I

    So here's this to show off what I've been up to in SA2B modding. I also have a bit of info to share with you all in regards to Super Sonic and Super Shadow in Multiplayer. Upon inspecting a RAM dump of the game, I found this.

    Code (Text):
    1. SONIC   Supersonic hedgehog.    Speed increase 20 rings,    attack with 40 rings and    stop time with 60 rings.    
    2. SHADOW  Ultimate life form made by Professor Gerald.    Speed and attacks   are identical to Sonic.
    3. AMY Cheerful and happy girl in love with Sonic. Not very fast, but gets attacks with less rings.    
    4. METAL SONIC Sonic-type robot that   debuted in "Sonic CD."  Good acceleration but   has no special attacks.
    5. KNUCKLES    Echidna who protects    the Master Emerald. Special attack with each 20 rings collected.    
    6. ROUGE   Treasure hunter who specializes in jewels.  Can use same special    attack as Knuckles.
    7. TIKAL   Knuckles tribe girl from Sonic Adventure.   Quick but weak attacks  and hunting skills.
    8. CHAOS ZERO  Chaos Emerald guardian  Moves slow, but strong  attacks and punches.    
    9. TAILS   A fox with two tails.   Uses "Cyclone" to fight.    Uses special attack with    every 20 rings collected.  
    10. EGGMAN  Evil genius scientist   who despises Sonic. Uses same attack as Tails with 20 rings.    
    11. CHAO WALKER Created by Tails to help Chao to fight. Weak attacks/defense    but quickest character.
    12. DARK CHAO WALKER    Sinister Chao, machine  created by Eggman.  Hard attacks/defense    but slowest character.  
    13. SUPER SONIC Powered by the  7 Chaos Emeralds.   Amazing speed and moves,    but dies if rings are lost.
    14. SUPER SHADOW        
    I remember talking to I think Aquaslash once about the description of Super Sonic once, but now it's being posted up here.
     
  15. That's a big step :D I remember seeing that description on Cult years ago.

    Hopefully if a Steam release comes, more can be done.
     
  16. Ryuki

    Ryuki

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    I love you. So, so much.
     
  17. darkspines35

    darkspines35

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    Haha, I knew the description was posted on the Cult at some point, but I never saw it myself. I never forgot when Aquaslash told me about it though, haha. Also, does anyone know why using Puyo Tools doesn't make GVM files that actually work...? Or is this a matter I'm gonna have to take up with Yoshi 15?

    Edit: So the GVM issues are fixed. Now it's just a matter of making colour schemes seem right for some of the models. I'm also focusing on seeing what I can do about Super Shadow now. Should have an update sooner or later.
     
  18. darkspines35

    darkspines35

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    And a wild Super Shadow has appeared!

    [​IMG]
    [​IMG]
    [​IMG]
    [​IMG]
    [​IMG]

    Currently have texture issues to work out with this mofo, but I'll have a video or something up in a day or so.
     
  19. darkspines35

    darkspines35

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    http://www.youtube.com/watch?v=dJ4I_SvJjMQ

    So there should be a release on Saturday if all goes well.
     
  20. darkspines35

    darkspines35

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    And as promised, here is the release video.

    http://www.youtube.com/watch?v=Dd_huTYO3-8

    I hope you all enjoy this!