Please note that MMD armatures does not universally adhere to game engine armature standard. This can cause problems when retargeting animation montages/actions and scripts that was made for UE4 ...

Blender addon that adds support for working with 3D vector fields using the FGA file format. - isathar/Blender_UE4_VectorFieldEditor ...

With the continuous advancement of current computer virtual reality theory and technology, automatic generation technology has become an important means of research and exploration of marine animation ...