Unity is what they are using, I just know from seeing it in the browser code and researched it a little last year. https://unity.com/solutions/build-backend. Source: over 1 year ago

I never said that Unreal is bad for non BRs, just that it is very good for BRs. The amount of work they put into making Fortnite work as well as it does puts it way above anything else for large match based shooters. I agree that Unity's old multiplayer code was an absolute mess, and I would have previously suggested using a third party solution. I was saying that I've heard good things about their new multiplayer... Source: about 2 years ago

DirectInput dates back to the Win9x days, and the current implementation dates back to the WinXP days. It's officially deprecated by Microsoft, which basically means "stop using it for new development." Its replacements are XInput (the Xbox controller API) and a similar API called Windows.Gaming.Input, intended for UWP applications. Source: over 1 year ago

For those unfamiliar with the XInput standard https://learn.microsoft.com/en-us/windows/win32/xinput/xinput-and-directinput. Source: over 1 year ago

I have experience making Teensy joysticks, so the hardware/firmware side is covered. I'm happy to hear DirectInput is still being used contrary to MS advice https://docs.microsoft.com/en-us/windows/win32/xinput/xinput-and-directinput Https://github.com/redragonx/can2rNET provides the interface to wheelchair control system. Source: over 2 years ago