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Sonic in Chaotix - Revision 02

Discussion in 'Engineering & Reverse Engineering' started by Wurly, Nov 11, 2006.

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  1. Nov 11, 2006 #1
    Wurly

    Wurly

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    [​IMG]

    Yes, I am releasing a new update of my hack. Some of the new features include:
    • Special Stage Art (from Sonic CD and SGR)
    • Overall New and Better Shaded Sprites (by KojiChao)
    • Combi Catcher sprite now uses the right Palette
    • Fixed up transparent pixels on Sonic on Title Screen
    • Title Card art now contains "Sonic" instead of "Mighty"
    • Fixed shifted lines of art for "Mega Monitor"
    However, this hack still contains some minor problems. There still may be transparent pixels in some art. The 'Switch character to Mighty' monitor still contains Mighty's art due to the fact that I cannot find the position of its art. Special Stage sprites are also kind of weird.

    Note that this hack still does not work in Kega. By trial and error, I have figured that Chaotix has a special checksum check routine within it's code that disables the slave or master SH2, causing the game to do weird stuff like flicker the screen. I have tested this in other 32x games as well by changing a single byte, but they still work fine. Drx says they probably intended to do this to piss hackers off, and I AM quite pissed at this. However, Gens bypasses all this, so until we find a solution, we'll just have to use Gens.

    Credit for the new shaded sprites goes to Heran Bago and KojiChao. Heran actually held on to these sprites knowing some day they'd be needed. And because I could not find them anywhere on the internet, I asked Heran Bago if he had them, and he just so happened to have them. What an awesome guy! As for KojiChao, she is probably the best spriter in the world. Thanks a whole bunch. Also, thanks to SGR for testing, pointing out sprites, and for the Special Stage sprites. Thanks to my C++ Port of Chaoxed, and again, drx for the cracking of the art compression format.

    Download - (1.84 MB)

    If someone has the ability to test this out on the real hardware, please contact me.

    Opinions and Comments would be appreciated. And in case you were interested, here are some pics:

    [​IMG][​IMG][​IMG][​IMG][​IMG][​IMG][​IMG][​IMG][​IMG]
     
  2. Nov 11, 2006 #2
    Mr. Fox

    Mr. Fox

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    OMG, this hack is sex.
     
  3. Nov 11, 2006 #3
    Billy

    Billy

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    *joygasm*
    Nice work! I liked revision 01, and this is much better then that. Truely amazing.
     
  4. Nov 11, 2006 #4
    Sith

    Sith

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    Downloaded. :)
    Making it work in Kega means it would mean having a good chance it could work on hardware.
    Great stuff, keep it up.
     
  5. Nov 11, 2006 #5
    Bonic

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    I hope this guy adds tails in soon :)
     
  6. Nov 12, 2006 #6
    Tweaker

    Tweaker

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    Tails may be a possibility, save the actual Tails, if he uses "Wechidna"'s slot (since that was originally tails anyway). It'd be hard to get the abilities right, though, so it may not be worth it unless he can port the tails object (the actual tails) over.
     
  7. Nov 12, 2006 #7
    Rockman Zero

    Rockman Zero

    Hello there, my little friend. Member
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    I bet it's possible. If animating the Tails' tails when he stands still is a problem, then just leave 'em unanimated. (At least that's what I'd do. =P)

    Edit: Sonic's color palette in the Bonus Stages (the giant rings that are hidden in the stages, not the ones at the end) is not correct. Mighty's Palette is still used.

    This hack is great and all. My only complaint is that when Sonic enters a Special stage, he wiggles when he runs and it irritates me to no end. (read: he goes off center.) If that could be fixed, I'd appreciate it. :)
     
  8. Nov 12, 2006 #8
    SGR

    SGR

    Give me the gams. Member
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    I found a major bug, and I'm surprised no one has caught it yet.

    Anyway...

    When you select Sonic in the combi catcher, the game will CRASH. I have already pointed this out to JJFTails and I'm sure he'll fix it soon.
     
  9. Nov 12, 2006 #9
    Crysta

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    sonic's arm seems to disappear when he ducks :P
     
  10. Nov 12, 2006 #10
    Mr. Fox

    Mr. Fox

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    The same thing happens in Crackers. And this sprite set is heavily based on Crackers' one.
     
  11. Nov 12, 2006 #11
    Hivebrain

    Hivebrain

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    It shouldn't be too difficult to have both Sonic and Mighty playable, as long as characters are managed by the 68k.
     
  12. Nov 12, 2006 #12
    Techokami

    Techokami

    For use only on NTSC Genesis systems Researcher
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    Hmm, this is really good, but the Special Stage walk/run sprites seem to be shifting back and forth a lot. Methinks it's because Chaotix flips the animation frames to save space... so you should shift the sprite over a few pixels to the other side to solve this.

    Keep up the good work!
     
  13. Nov 12, 2006 #13
    Wurly

    Wurly

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    Thing is, we don't exactly know where the code for loading characters, character selection, and etc. actually are. And even because of that, we don't know if it's 68k code or SH2 code. Well, I'm probably wrong =P

    Thanks guys, but I know this already =P
    But thanks for all the comments/praise guys! And keep up the bug reporting; it's needed for revision 03 =)
     
  14. Nov 12, 2006 #14
    drx

    drx

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    :rolleyes:
    It's definetely 68k code which handles the character objects, however it's Sh2 code which parses their sprites and puts graphics on the 32x VDP
     
  15. Nov 13, 2006 #15
    Robjoe

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    Dunno if you've seen this, but when I tried to play Techno Tower act 3 with two Sonics, the game hung at the screen where the two characters spin in a circle, and the titlecard never came.

    Still though, very, VERY awesome work you've done here. I can't seem to get enough of this. =D
     
  16. Nov 14, 2006 #16
    Yuski

    Yuski

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    This hack is excellent. You did an awesome job. Just for not, only one thing you should fix on Special Stage spinning sprites, where in one frame, the white dot is transparent.
     
  17. Nov 14, 2006 #17
    Nicholas Onimura

    Nicholas Onimura

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    You are truly awesome for this. Find out how to port Tails and you will be my new god.

    -Nick O.
     
  18. Nov 15, 2006 #18
    Shadow Fire

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    Get it to work in Kega, and I'll DEFINITELY download it. I'm sick of having to use Gens/Plus because some hacks refuse to work in the superior Kega. =P
     
  19. Nov 15, 2006 #19
    ChaotixTails

    ChaotixTails

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    ...If it's superior, why don't hacks work for it?

    <3 This is kickass.
     
  20. Nov 15, 2006 #20
    Shadow Fire

    Shadow Fire

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    Because Gens is far too lenient with the programming.
     
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