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3DS Data Tools

Tools for extracting and packing resources found in 3DS games

msbt.py

String resource extractor for MSBT 'MsgStdBn' files.

Converts between MSBT and JSON files for translation or string modification.

Usage

usage: msbt.py [-h] [-v] [-d] [-c] (-x | -p) [-y] -j JSON msbt_file

MsgStdBn Parser

positional arguments:
  msbt_file             MSBT file to parse

optional arguments:
  -h, --help            show this help message and exit
  -v, --verbose         print more data when working
  -d, --debug           print debug information
  -c, --colors          decode colors in strings
  -x, --extract         extract MSBT to plain text
  -p, --pack            pack plain text into an MSBT file
  -y, --yes             answer "Yes" to any questions (overwriting files)
  -j JSON, --json JSON  JSON document to read from or write to

Examples

Convert an MSBT to JSON for editing:

msbt.py -x -j Sample.json Sample.msbt

Convert from JSON back to MSBT:

msbt.py -p -j Sample.json Sample.msbt

If strings contain color codes (which are invalid UTF-16 bytes) then use the --colors flag to parse them:

msbt.py -x -c -j Sample.json Sample.msbt

Make sure you mirror the --colors flag when repacking:

msbt.py -p -c -j Sample.json Sample.msbt

Colors

In at least one game, colors are prefixed with two bytes, \u0003\u0004 followed by a 32-bit color code. The --colors flag will ensure that the 4 bytes following the color prefix are not parsed as UTF-16. The resulting output string will look like:

"\u0003\u0004[#ff112233]Color"

When packing the MSBT with the --colors flag, the parser will look for those color markers and write them as 4-byte integers just as they were read out originally. For example (little endian):

30 00 40 00 33 22 11 ff 43 6f 6c 6f 72

sarc.py

SARC (Sorted ARChive?) tool that can extract and pack both uncompressed and ZLIB compressed archives.

Uses TAR-like command line syntax.

Usage

usage: sarc.py [-h] [-v] [-d] [-y] [-z] [--compression-level LEVEL]
               (-x | -c | -t) [-l | -b] -f archive
               [file [file ...]]

SARC Archive Tool

positional arguments:
  file                  files to add to an archive

optional arguments:
  -h, --help            show this help message and exit
  -v, --verbose         print more data when working
  -d, --debug           print debug information
  -y, --yes             answer "yes" to questions (overwriting files)
  -z, --zlib            use ZLIB to compress or decompress the archive
  --compression-level LEVEL
                        ZLIB compression level (default: 6)
  -x, --extract         extract the SARC
  -c, --create          create a SARC
  -t, --list            list contents
  -l, --little-endian   use little endian encoding when creating an archive
                        (default)
  -b, --big-endian      use big endian encoding when creating an archive
  -f archive, --archive archive
                        the SARC filename

Examples

Extract an uncompressed SARC:

sarc.py -xf Sample.sarc

Create a compressed SARC:

sarc.py -czf Sample.zlib file1.txt file2.txt subdir/

List contents of a compressed SARC:

sarc.py -tzf Sample.zlib
subdir/file3.txt
subdir/file4.txt
file1.txt
file2.txt

bffnt.py

BFFNT extract/create tool. Creates a PNG file from the texture atlases in a BFFNT as well as a JSON manifest.

Usage

usage: bffnt [-h] [-v] [-d] [-y] [-l | -b] (-c | -x) -f bffnt

BFFNT Converter Tool

optional arguments:
  -h, --help            show this help message and exit
  -v, --verbose         print more data when working
  -d, --debug           print debug information
  -y, --yes             answer yes to any questions (overwriting files)
  -a, --ensure-ascii    turn off ensure_ascii option when dump json file
  -l, --little-endian   Use little endian encoding in the created BFFNT file
                        (default)
  -b, --big-endian      Use big endian encoding in the created BFFNT file
  -c, --create          create BFFNT file from extracted files
  -x, --extract         extract BFFNT into PNG/JSON files
  -f bffnt, --file bffnt
                        BFFNT file

Examples

Extract a BFFNT to PNG/JSON:

bffnt.py -xf Sample.bffnt

Results:

Sample_manifest.json
Sample_sheet0.png

Create a BFFNT from PNG/JSON:

bffnt.py -cf Sample.bffnt

Note: Sample_manifest.json and Sample_sheet0.png must be in the current directory to build Sample.bffnt

bflim.py

BFLIM converter to and from PNG files. This tool is still in development.

Goal: Apply swizzle when creating BFLIMs.

Usage

usage: bflim [-h] [-v] [-d] [-y] [-l | -b] [-s {0,8,4}] (-c png | -x | -i)
             bflim_file

BFLIM Converter

positional arguments:
  bflim_file            FLIM file

optional arguments:
  -h, --help            show this help message and exit
  -v, --verbose         print more data when working
  -d, --debug           print debug information
  -y, --yes             answer yes to any questions (overwriting files)
  -l, --little-endian   use Little Endian when reading/writing (default)
  -b, --big-endian      use Big Endian when reading/writing
  -s {0,8,4}, --swizzle {0,8,4}
                        set the swizzle type of the output BFLIM (default: 0)
                        0 - none; 4 - rotate 90deg; 8 - transpose
  -c png, --create png  create BFLIM file from PNG
  -x, --extract         convert BFLIM to PNG
  -i, --info            just list debug info and quit

Examples

Convert BFLIM to PNG:

bflim.py -x image.bflim

Convert PNG to BFLIM:

bflim.py -c image.png image.bflim

Convert PNG to BFLIM, setting swizzle to 90 degree rotation:

Note: Swizzling is only applied if OpenCV is available.

bflim.py -s 4 -c image.png image.bflim