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fileFormatVersion: 2
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guid: 7f9ad1ce05574ba886146f9982e01142
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timeCreated: 1764839428
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#if INPUTSYSTEM_SUPPORT
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using System;
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using System.Globalization;
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using System.Text.RegularExpressions;
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using UnityEditor;
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using UnityEngine;
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using UnityEngine.InputSystem;
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public static class InputDeviceWatcher
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{
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public enum InputDeviceCategory
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{
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Keyboard,
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Xbox,
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PlayStation,
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Other
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}
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static readonly float DebounceWindow = 1f;
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public static InputDeviceCategory CurrentCategory = InputDeviceCategory.Keyboard;
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public static string CurrentDeviceName = "";
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private static InputAction _anyInputAction;
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private static int _lastDeviceId = -1;
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private static float _lastInputTime = -Mathf.Infinity;
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private static InputDeviceCategory _lastEmittedCategory = InputDeviceCategory.Keyboard;
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public static event Action<InputDeviceCategory> OnDeviceChanged;
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private static bool initialized = false;
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[RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.BeforeSceneLoad)]
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public static void Initialize()
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{
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if (initialized) return;
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initialized = true;
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CurrentCategory = InputDeviceCategory.Keyboard;
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CurrentDeviceName = "";
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_lastEmittedCategory = CurrentCategory; // 初始化同步
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_anyInputAction = new InputAction("AnyDevice", InputActionType.PassThrough);
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_anyInputAction.AddBinding("<Keyboard>/anyKey");
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_anyInputAction.AddBinding("<Gamepad>/*");
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_anyInputAction.AddBinding("<Joystick>/*");
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_anyInputAction.performed += OnAnyInputPerformed;
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_anyInputAction.Enable();
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InputSystem.onDeviceChange += OnDeviceChange;
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#if UNITY_EDITOR
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EditorApplication.playModeStateChanged += OnPlayModeStateChanged;
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#endif
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}
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#if UNITY_EDITOR
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static void OnPlayModeStateChanged(PlayModeStateChange state)
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{
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if (state == PlayModeStateChange.ExitingPlayMode)
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{
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Dispose();
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}
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EditorApplication.playModeStateChanged -= OnPlayModeStateChanged;
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}
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#endif
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public static void Dispose()
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{
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if (!initialized) return;
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CurrentCategory = InputDeviceCategory.Keyboard;
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_anyInputAction.performed -= OnAnyInputPerformed;
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_anyInputAction.Disable();
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_anyInputAction.Dispose();
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InputSystem.onDeviceChange -= OnDeviceChange;
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OnDeviceChanged = null;
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initialized = false;
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_lastEmittedCategory = InputDeviceCategory.Keyboard;
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}
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private static void OnAnyInputPerformed(InputAction.CallbackContext ctx)
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{
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if (ctx.control == null || ctx.control.device == null) return;
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var device = ctx.control.device;
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if (!IsRelevantDevice(device)) return;
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int curId = device.deviceId;
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float now = Time.realtimeSinceStartup;
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if (curId == _lastDeviceId) return;
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if (DebounceWindow > 0f && (now - _lastInputTime) < DebounceWindow) return;
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_lastInputTime = now;
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_lastDeviceId = curId;
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CurrentCategory = DetermineCategoryFromDevice(device);
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CurrentDeviceName = device.displayName ?? $"Device_{curId}";
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EmitChange();
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}
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private static void OnDeviceChange(InputDevice device, InputDeviceChange change)
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{
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if (change == InputDeviceChange.Removed || change == InputDeviceChange.Disconnected)
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{
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if (device.deviceId == _lastDeviceId)
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{
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_lastDeviceId = -1;
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_lastInputTime = -Mathf.Infinity;
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CurrentDeviceName = "";
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CurrentCategory = InputDeviceCategory.Keyboard;
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EmitChange();
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}
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}
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}
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// ------------------ 分类逻辑 --------------------
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private static InputDeviceCategory DetermineCategoryFromDevice(InputDevice device)
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{
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if (device == null) return InputDeviceCategory.Keyboard;
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// 重要：鼠标不再被视为键盘类（避免鼠标触发时回退到 Keyboard）
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if (device is Keyboard) return InputDeviceCategory.Keyboard;
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if (device is Mouse) return InputDeviceCategory.Other; // 明确忽略鼠标
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if (IsGamepadLike(device)) return GetGamepadCategory(device);
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string combined = $"{device.description.interfaceName} {device.layout} {device.description.product} {device.description.manufacturer} {device.displayName}".ToLower();
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if (combined.Contains("xbox") || combined.Contains("xinput")) return InputDeviceCategory.Xbox;
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if (combined.Contains("dualshock") || combined.Contains("dualsense") || combined.Contains("playstation")) return InputDeviceCategory.PlayStation;
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return InputDeviceCategory.Other;
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}
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private static bool IsGamepadLike(InputDevice device)
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{
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if (device is Gamepad) return true;
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if (device is Joystick) return true;
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var layout = (device.layout ?? "").ToLower();
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// 这里保留 controller/gamepad/joystick 的识别，但忽略 mouse/touch 等
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if (layout.Contains("mouse") || layout.Contains("touch") || layout.Contains("pen")) return false;
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return layout.Contains("gamepad") || layout.Contains("controller") || layout.Contains("joystick");
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}
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private static bool IsRelevantDevice(InputDevice device)
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{
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if (device == null) return false;
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if (device is Keyboard) return true;
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if (IsGamepadLike(device)) return true;
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return false;
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}
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private static InputDeviceCategory GetGamepadCategory(InputDevice device)
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{
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if (device == null) return InputDeviceCategory.Other;
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var iface = (device.description.interfaceName ?? "").ToLower();
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if (iface.Contains("xinput")) return InputDeviceCategory.Xbox;
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if (TryParseVidPidFromCapabilities(device.description.capabilities, out int vendorId, out int _))
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{
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if (vendorId == 0x045E || vendorId == 1118) return InputDeviceCategory.Xbox;
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if (vendorId == 0x054C || vendorId == 1356) return InputDeviceCategory.PlayStation;
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}
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string combined = $"{device.description.interfaceName} {device.layout} {device.description.product} {device.description.manufacturer} {device.displayName}".ToLower();
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if (combined.Contains("xbox")) return InputDeviceCategory.Xbox;
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if (combined.Contains("dualshock") || combined.Contains("playstation")) return InputDeviceCategory.PlayStation;
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return InputDeviceCategory.Other;
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}
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// ------------------ VID/PID 解析 --------------------
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private static bool TryParseVidPidFromCapabilities(string capabilities, out int vendorId, out int productId)
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{
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vendorId = 0;
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productId = 0;
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if (string.IsNullOrEmpty(capabilities)) return false;
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try
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{
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var decVendor = Regex.Match(capabilities, "\"vendorId\"\\s*:\\s*(\\d+)", RegexOptions.IgnoreCase);
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var decProduct = Regex.Match(capabilities, "\"productId\"\\s*:\\s*(\\d+)", RegexOptions.IgnoreCase);
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if (decVendor.Success) int.TryParse(decVendor.Groups[1].Value, out vendorId);
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if (decProduct.Success) int.TryParse(decProduct.Groups[1].Value, out productId);
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return vendorId != 0 || productId != 0;
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}
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catch
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{
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return false;
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}
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}
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private static void EmitChange()
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{
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if (CurrentCategory == _lastEmittedCategory)
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{
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return;
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}
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int vid = GetVendorId();
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int pid = GetProductId();
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#if UNITY_EDITOR
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Debug.Log($"输入设备变更 -> {CurrentCategory} 触发设备: {CurrentDeviceName} vid=0x{vid:X} pid=0x{pid:X}");
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#endif
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OnDeviceChanged?.Invoke(CurrentCategory);
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_lastEmittedCategory = CurrentCategory;
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}
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private static int GetVendorId()
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{
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foreach (var d in InputSystem.devices)
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{
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if ((d.displayName ?? "") == CurrentDeviceName &&
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TryParseVidPidFromCapabilities(d.description.capabilities, out int v, out int _))
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return v;
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}
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return 0;
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}
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private static int GetProductId()
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{
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foreach (var d in InputSystem.devices)
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{
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if ((d.displayName ?? "") == CurrentDeviceName &&
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TryParseVidPidFromCapabilities(d.description.capabilities, out int _, out int p))
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return p;
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}
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return 0;
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}
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}
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#endif
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@ -1,11 +0,0 @@
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fileFormatVersion: 2
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guid: e78f6224467e13742a70115f1942d941
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MonoImporter:
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externalObjects: {}
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serializedVersion: 2
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defaultReferences: []
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executionOrder: 0
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icon: {instanceID: 0}
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userData:
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assetBundleName:
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assetBundleVariant:
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