I have EQ installed on Ubuntu and mainly play from there. This may not work for you on OpenSUSE. However you will need to make sure you enable 32 bit architecture to your package handler. This page helped me get the correct wine version installed for Ubuntu. https://wiki.winehq.org/Ubuntu.
I moved my everquest directory into my .wine32/drive_c/ folder as well.
I never got PlayonLinux to work for EQ since it's not a supported app to them. Anyways, once you get wine installed, install winetricks. From winetricks you can install the dependencies that you'll need. I think dx9_43 is the directx version I installed and one of the dotnet versions and that was basically it. I ran everything from a command line since I had no luck with the gui options. Now all I do is cd into the everquest directory and type out the command: wine eqgame.exe patchme
I get errors in the terminal but the game plays just fine.
Do some google searching on OpenSUSE for winetricks and see if there is anyone that has installed EQ. That should help you out.
That loaded the game. However I had to disable I believe texturecache in the eqclient.ini or else character models were invisible.
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