Current questions and answers regarding the map editor.

Yes, there are also texts in texts.pak and videos in data.pak/Dialogs and DialogScenes. I believe there are also separate camera files and CameraSets. The map.xdb and map-tag.xdb files together contain information about the map type, where to find its other files, and where the objects will be located on the map. The Terrain.bin file contains information about the map's surface. It is archived in the same way as your maps: preserving all the necessary folders and files within them, and then renamed to *.h5m.
There is. SetObjectPosition(object, coordinates, level (-1 -- current, 0 -- on the ground, 1 -- underground).