Render Engine upgrade (Patreon)

As you might know from discord - I'm on my way to upgrading the game engine from old Unity 2019 to a modern one.  It will allow us to use more advanced and cool features (like Oil shaders for oil wrestling and dynamic oil/dirt application to bodies).  Also, we need this update to maintain the multiplayer part because the 2019 version is barely supported already and could stop working any day soon.

Surprisingly, the update went smoothly. I still have some errors here and there, we lost some fonts (check the picture), and most important - we lost cum visualization. But worry not! I did it once, so I can do it once again. For now, I'm doing my best to bring all the stuff back and bring you the updated game as soon as possible!