Bck2bca

Overview
bck2bca is a tool which converts .bck files into .bca by linearly interpolating between keyframes of the .bck. It can be used in combination with a custom .bck creation tool to create custom .bca animations.

Usage
The tool requires a recent version of Python 3 to be installed. On Windows it is important to tick "Add Python to Path" in the installer.

To use bck2bca in the command line prompt: python bck_to_bca.py [input bck] [output bca] For Windows users a .bat file exists which supports drag & drop of a .bck file on the .bat.

Links
Source Code