Unity Input System: Get the type of input device the player is currently using.

GetInputDeviceType.cs

using System;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.InputSystem.DualShock;
using UnityEngine.InputSystem.XInput;

// Hope this helps someone navigate the mess that is Unitys Input System.

namespace MccDev260.InputDevices
{
    /// <summary>
    /// Possible input types you want to account for.
    /// </summary>
    [Serializable]
    public enum InputDeviceType
    {
        PC,
        Playstation,
        Xbox,
    }

    /// <summary>
    /// Example script that returns the type of input device last used by the player.
    /// </summary>
    /// <remarks>
    /// Note: This is for use with Unitys 'new' Input System package.
    /// </remarks>
    public class GetInputDeviceType : MonoBehaviour
    {
        [SerializeField] private InputActionAsset actionsAsset;
        [SerializeField] private InputDeviceType currentInputDevice = InputDeviceType.PC;

        /// <summary>
        /// Returns the device type the player is currently using.
        /// </summary>
        public InputDeviceType GetCurrentDevice { get { return currentInputDevice; } }

        private void OnEnable()
        {
            // Setup a callback thats triggered each time a bound input is used.
            foreach (InputActionMap map in actionsAsset.actionMaps)
            {
                map.actionTriggered += OnActionTriggered;
            }
        }

        private void OnDisable()
        {
            // Remove callback when object is disabled to free up memory.

            foreach (InputActionMap map in actionsAsset.actionMaps)
            {
                map.actionTriggered -= OnActionTriggered;
            }
        }

        private void OnActionTriggered(InputAction.CallbackContext obj)
        {
            SetCurrentDeviceType(obj.control.device);
        }

        private void SetCurrentDeviceType(InputDevice device)
        {
            switch (device)
            {
                case Gamepad:
                    if (device is DualShockGamepad)
                    {
                        Debug.Log("Last used device is a Playstation Controller");
                        currentInputDevice = InputDeviceType.Playstation;
                    }
                    else if (device is XInputController)
                    {
                        Debug.Log("Last used device is an Xbox Controller");
                        currentInputDevice = InputDeviceType.Xbox;
                    }
                    else
                    {
                        Debug.Log("Unknown Controller!");
                    }
                break;

                case Keyboard or Mouse:
                    Debug.Log("Last used device is Keyboard and mouse!");
                    currentInputDevice = InputDeviceType.PC;
                break;

                default:
                    Debug.Log("Unrecognised control scheme");
                break;
            }
        }
    }
}