http://en.war2.ru/tutorials/setting-up-linux-ubuntu-to-play-warcraft-ii-bne/
Install winetricks
brew install winetricks
Download and install the Warcraft II BNE ddraw.dll and replace it in ~/.wine/drive_c/GOG Games/Warcraft II BNE/
http://en.war2.ru/dl/war2_ddraw_blurfix.zip
Edit wine configuration
winecfg
Under Libraries tab add ddraw in New override for library, and set it to use Native(Windows) under Edit Override
Under Libraries tab add wsock32 in New override for library, and set it to use Native then Builtin under Edit Override
Under Graphics tab check "Automatically capture the mouse in full-screen windows" and check emulate virtual desktop and set it to 640 x 480
IPXWrapper is included in the GOG version.
Install IPXWrapper (https://www.solemnwarning.net/ipxwrapper/) to enable IPX over UDP. Instructions can be viewed here: https://github.com/solemnwarning/ipxwrapper