FOSS gamedev and creative worlds

The callback for register_on_generated returns blockseed: however, is it possible to get the blockseed of other blocks than the current one? If yes, how?

Maybe this helps: https://github.com/celeron55/minetest/blob/master/doc/lua_api.txt#L1073

Well, I finally managed to do without, reading a bit of the C++ code (it didn't work first time because I didn't notice that it was a u32).