o!m2bms

A 7k/8k osu!mania to BMS file converter.

Supports fully keysounded maps and bpm changes.

Installation

Written on Python 3.6+ and requires Pillow (for image resizing).

pip install Pillow

Set the default output directory by running,

python om2bms_osz.py -sdo [OUTPUT DIRECTORY]

or go to default_outdir.ini and paste the path to a subdirectory in a BMS songfolder directory.

Running

Run

python om2bms_osz.py -i sample_osz_file.osz

to convert all 7k/8k files in sample_osz_file.osz and output them to [OUTPUT DIRECTORY]/sample_osz_file

To convert individual .osu files run

python om2bms.py -i sample_osu_file.osu

To view help, run

python om2bms_osz.py -h

python om2bms.py -h

To-do List

• Drag-and-drop GUI
• 5k maps
• Key options for non-7k/8k maps

Notes

• There may be a global ~-5ms offset (Use "-o" option to adjust offset)
• Tested with LR2
• Does not support SV changes
• Uses first timing point to estimate the first measure
• Assumes timing points are always the start of a new measure
• If there are >1 hitsounds played in one note, only plays the hitsound with the highest bit

.osu file documentation.

BMS file documentation.

License

This project is licensed under the GPLv3 license, refer to LICENSE for details.