i searched the net about the JMXVEFF (*.efp, Silkroads Effects-Fileformat) and i came accross this:

seems to be some kind of decompilation. i guess its decompile of Joymax homebrewed tool for silkroad (modeling, animation etc.)
would be nice to peek or to copy and paste the "TOOLS & PLUGINS" Folder from the devs computerQuote:
D:\Project\SilkroadOnline\TOOLS & PLUGINS\SimpleViewer\objengine\ObjEngine.cpp
here is a screenshot i found about the "SimpleViewer" tool:






