(SOLVED) Bug. Can't use PS4 controller. X button registers as every single button pressed at once.

[Someoneman]

It worked fine earlier today, but this started happening all of a sudden.

EDIT: I found the solution. Even though I was using a DualShock 4, the game was treating it as an Xbox controller (probably due to Steam Input), but I was using the Generic Gamepad section of the options to set the controls. In the Xbox controller options, all the buttons were set to A, so changing them there fixed the problem.