i'm now in the UI step !!
because the major part of my new buildings can be used by all factions, i need to write culture UI for all buildings (too much)!!
does exist a tool to transform in desktop, for all files present in the folder.
#greek_uniquea7_constructed.TGA >>> #eastern_uniquea7_constructed.TGA
... or a possibility to attribute an unique UI for a building for all cultures.