Input not working on build (custom HID)

Unity Engine
1

Hey everyone,

We’ve set up a custom HID layout (flightstick) and it works in the editor. However, there is no response when we test with a build, though other automatically generated input (keyboard/xbox controller) do work.

The code is taken from the documentation and filled out to match the device information:

using UnityEditor;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.InputSystem.Layouts;

[InputControlLayout(stateType = typeof(ThrustmasterHIDInputReport))]
#if UNITY_EDITOR
[InitializeOnLoad]
#endif

public class ThrustmasterJoystrickHID : Joystick
{
    static ThrustmasterJoystrickHID()
    {
        InputSystem.RegisterLayout<ThrustmasterJoystrickHID>(
            matches: new InputDeviceMatcher()
                .WithInterface("HID")
                .WithCapability("vendorId", 1973)
                .WithCapability("productId", 790));
    }

    [RuntimeInitializeOnLoadMethod]
    static void Init() { }
}

using System.Runtime.InteropServices;
using UnityEngine.InputSystem.Layouts;
using UnityEngine.InputSystem.LowLevel;
using UnityEngine.InputSystem.Utilities;

[StructLayout(LayoutKind.Explicit, Size = 32)]
struct ThrustmasterHIDInputReport : IInputStateTypeInfo
{
     public FourCC format => new FourCC('H', 'I', 'D');

    [FieldOffset(0)] public byte reportId;

    [InputControl(name = "stick", layout = "Stick", format = "VEC2")]
    [InputControl(name = "stick/x", offset = 0, format = "BYTE",
        parameters = "normalize,normalizeMin=0,normalizeMax=1,normalizeZero=0.5,invert")]
    [InputControl(name = "stick/y", offset = 1, format = "BYTE",
        parameters = "normalize,normalizeMin=0,normalizeMax=1,normalizeZero=0.5")]
    [FieldOffset(1)] public byte stickX;
    [FieldOffset(2)] public byte stickY;

    [InputControl(name = "trigger", layout = "Button", offset = 5, bit = 4)]
    [FieldOffset(3)] public byte trigger;
}
2

What’s the build target? There’s a known bug in il2cpp which causes the static class constructor to not be invoked when Init() runs.

3

Thanks Rene!

So checking, and it was still set to default Mono. However, it made me think to try building it out on x86_64, and that seems to have worked.