I'm just wondering - how can I disable gouraud shading in the engine for selected models? If possible, is there a way to set a flag to each model polygon to choose between using flat shaded (as MED has) and gouraud shaded? If so, how can I do this?

Try this:
Code:

---

action MyFlatEntity
{
  wait(1); // just to be safe
  material= mat_flat;
}

---

Is it possible to use a similar material for example wireframe only?

Cheers

The predefined materials are listed in the manual. Others have to be created with shaders.

hello. Is there any way to do this with A6 standard 6.22?

Yes, mat_flat is supported by all A6 editions.