Custom Input

using System;
using UnityEngine;
using UnityEngine.InputSystem;

public class Input : MonoBehaviour
{
    public enum InputType
    {
        Keyboard,
        Gamepad
    }

    public InputType inputType;

    [HideInInspector] public Vector2 MoveVector => _moveVector;
    private Vector2 _moveVector;

    private void Update()
    {
        switch (inputType)
        {
            case InputType.Keyboard:
                _moveVector.x = (Keyboard.current.aKey.isPressed ? -1f : 0f) + (Keyboard.current.dKey.isPressed ? 1f : 0f);
                _moveVector.y = (Keyboard.current.sKey.isPressed ? -1f : 0f) + (Keyboard.current.wKey.isPressed ? 1f : 0f);
                break;
            case InputType.Gamepad when Gamepad.current == null:
                return;
            case InputType.Gamepad:
                _moveVector.x = (Gamepad.current.dpad.left.isPressed ? -1f : 0f) + (Gamepad.current.dpad.right.isPressed ? 1f : 0f);
                _moveVector.y = (Gamepad.current.dpad.down.isPressed ? -1f : 0f) + (Gamepad.current.dpad.up.isPressed ? 1f : 0f);
                break;
            default:
                throw new ArgumentOutOfRangeException();
        }
    }
}