Guide on adding a new model, animation, and creature to HoMMV

There isn't enough material in the model file.

Added 3 minutes later
I mean, in the text file xdb.

I think I've added everything (but I'm not sure anymore). After exporting to smd, I divided the model into 4 parts based on the materials. I added 4 items in the file. In the materials folder, there are also only 4, including xdb for materials, xdb for textures, and dds.