By FroggestSpirit
Unpack/Pack NDS SDAT Files
Make backups, this can overwrite files without confirmation
Usage: python3 SDATTool.py [SDAT File] [mode] [SDAT Folder] [flags]
Modes:
-b Build SDAT
-u Unpack SDAT
Flags:
-ns Build without a SymbBlock
-o Optimize, remove duplicate files, and unused files
-os Optimize for size, same as above, but remove bank entries in the infoBlock (may break in game)
-or Optimize for ram, try to minimize the size of files that need to be loaded for each song (testing, might be buggy)
If only a SDAT file is provided, the output directory will be the same as the SDAT, with a new folder created. This will unpack to that folder. Similarly, the SDAT can be rebuilt from the same folder name if only the SDAT filename is provided with mode -b
Un-edited rebuilt SDAT files should be 1:1, if an SDAT is ripped from a game, decompiled and rebuilt, without being 1:1, please let me know.
-o Optimize (not -os optimize size) is geared towards not breaking in-game compatibility. If this is used and doesn't work in-game the same as the original, please let me know
-or works by creating a copy of the sbnk and swars used by each sseq, and tries to only build them with the instruments used in the sseq, removing the rest. The file size is generally larger, but the size of the sbnk and swars that need to load with the sseq should hopefully be smaller. This will also write a lot more files to the unpack directory
This is currently a regression to 1.2.1 for stability. The latest code is in the dev branch, but may have issues, especially with optimization flags.
New in version 1.2.1:
-Fixes for optimize for RAM option
New in version 1.2.0:
-Optimize for RAM option
New in version 1.1.0:
-Code cleanup
-Optimize and optimize size flags
New in version 1.0.0:
-Code overhull and JSON formatting
-Temporarily removed options to optimize SDAT (They will be the next priority)
-Fixed SSEQ dumping
