BCA (File Format)

This page describes the .bca format. .bca is primarily used for driver animations, but some objects and items use them as well. This format is similar to .bck, but .bca animations all frames instead of just keyframes.

File Format
Counts and offsets refer to the Scale, Offset, and Translation tables.

The scale, rotation, and translation tables are the same in structure: they are basically a list all of the values that are needed for each bone.