Hacking Biohazard HD Remaster (PS3) .ARC (Translate)

xujozer

xujozer

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Hello guys, I'm trying to understand the Biohazard files, the conteiner have the .arc extension, and there a possibly .zlib compression. I used Offzip to extract, and extracted two files: EventMes_e106_eng.dmg and RoomMes_r106_eng.dmg, two text files, so far so good.
So, I used the compression .zlib in autoit (zlib.dll), but the structure became different, freezing in-game test...
Testing without compression, freezing too...
1417197232-U2.jpg

(freezing only happens in the part of the edited file, firsts dialogues.)

Here is some information about the file we got:
Endianness -> Big Endian

*HEADER 16 BYTES*
Signature: {0}SFH
Unknown: 0x00010001
Size ARC: 0x00000F4F
Unknown: 0x00000000
*******************
*ARC*
File Signature: {0}CRA
Version: {0x00 08} = (8)
Number of Files: {0x00 02} = 2 Files
---------------------------------------------------
For each File:
File Name: 64 Bytes
Code of Extension: 4 Bytes (0X242BB29A) = .dmg
Size Comp: 4 bytes (0x00000179)
Size Decomp: 4 Bytes (0x00002EEA)
Offset (-0x10): 4 bytes (0X00000058)
---------------------------------------------------
For each File in pack:
Math "Offset" += 0x10
Go To Offset
Read "Size Comp Bytes"
---------------------------------------------------
"Size ARC" += 0x10
Go to "Size ARC"
Unknown Bytes - 32 Bytes
Click to expand...

Our objective (my group) is to extract the .dmg to translate the dialogues, and then reinsert them in .arc.
If anyone knows how works these .arc files, please help us.

File:
http://www.mediafire.com/download/qqb7irrloxhr7qf/mes_r106.arc

PS: In each .arc file, has some bytes who point to the end of the file that appears to be md5:
1417196264-U2.png
 

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  • TwoSpikedHands @ TwoSpikedHands:
    yall im torn... ive been hacking away at tales of phantasia GBA (the USA version) and have so many documents of reverse engineering i've done
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    I just found out that the EU version is better in literally every way, better sound quality, better lighting, and there's even a patch someone made to make the text look nicer
  • TwoSpikedHands @ TwoSpikedHands:
    Do I restart now using what i've learned on the EU version since it's a better overall experience? or do I continue with the US version since that is what ive been using, and if someone decides to play my hack, it would most likely be that version?
  • Sicklyboy @ Sicklyboy:
    @TwoSpikedHands, I'll preface this with the fact that I know nothing about the game, but, I think it depends on what your goals are. Are you trying to make a definitive version of the game? You may want to refocus your efforts on the EU version then. Or, are you trying to make a better US version? In which case, the only way to make a better US version is to keep on plugging away at that one ;)
  • Sicklyboy @ Sicklyboy:
    I'm not familiar with the technicalities of the differences between the two versions, but I'm wondering if at least some of those differences are things that you could port over to the US version in your patch without having to include copyrighted assets from the EU version
  • TwoSpikedHands @ TwoSpikedHands:
    @Sicklyboy I am wanting to fully change the game and bend it to my will lol. I would like to eventually have the ability to add more characters, enemies, even have a completely different story if i wanted. I already have the ability to change the tilemaps in the US version, so I can basically make my own map and warp to it in game - so I'm pretty far into it!
  • TwoSpikedHands @ TwoSpikedHands:
    I really would like to make a hack that I would enjoy playing, and maybe other people would too. swapping to the EU version would also mean my US friends could not legally play it
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    I am definitely considering porting over some of the EU features without using the actual ROM itself, tbh that would probably be the best way to go about it... but i'm sad that the voice acting is so.... not good on the US version. May not be a way around that though
  • TwoSpikedHands @ TwoSpikedHands:
    I appreciate the insight!
    TwoSpikedHands @ TwoSpikedHands: I appreciate the insight!