InputSystem Two Players, Two Controllers

Questions & Answers
1

I have recently switched to Unity’s new InputSystem as it’s far more convenient for rebinding keys. However, I’ve had trouble making it work for my 1-2 player game.
With the old system, I would assign a function to something like “joystick 1 button 1”, and player 2 would use “joystick 2 button 1”.

With the new system there doesn’t seem to be a way to differentiate between controllers, even when rebinding it’ll just assign the function to a generic ‘A button’ for example. This of course means that the characters of both player 1 and 2 are steered using the same controller.
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How can I assign player 1 to always use the first controller and player 2 to always use the second?

It might be worth noting that the two players control different prefabs and they can also change their prefabs while playing (switching characters).

Thanks in advance.

2

The player input manager can automatically join players for multiplayer (or you can do it manually). You could watch: Local Co-op in Unity using the New Input System - Tutorial - YouTube for how multiplayer works for the new input system and watch Tutorial - Create a Local Co-Op Player Setup Screen in Unity with the New Input System - YouTube for the character selection.

3

I’m not on my normal computer right now so I don’t have the exact script, but this should be something like it. Instead of just testing for input from Gamepad, try Gamepad.all[playerNum].whatever_button. I’ll update this answer when I get the actual script.