[Bug 37705] Heroes of Might and Magic VI Shades of Darkness Textures Fail to Display in Most Campaign Maps

https://bugs.winehq.org/show_bug.cgi?id=37705

--- Comment #14 from Sergey Isakov  ---
It is the real reason for the bug?
~~~~
    if (stream_info->use_map & (1u << WINED3D_FFP_NORMAL))
    {
        WARN(" lighting state not saved yet... Some strange stuff may happen
!\n");
    }

~~~~

Please somebody points me a direction to research!