IL2CPP - Shim UnityEngine.Input to fix failing to find the type in some games

src/XUnity.AutoTranslator.Plugin.Core/InputProxy.cs

@@ -0,0 +1,67 @@
+#if IL2CPP
+
+using System;
+using System.Reflection;
+using UnityEngine;
+
+namespace XUnity.AutoTranslator.Plugin.Core;
+
+public static class Input
+{
+ static Type type = null;
+ static Type GetInputType()
+ {
+ type ??= Type.GetType("UnityEngine.Input, UnityEngine.CoreModule");
+ type ??= Type.GetType("UnityEngine.Input, UnityEngine.InputLegacyModule");
+ return type ?? throw new InvalidOperationException("Failed to find the UnityEngine.Input type");
+ }
+
+ static MethodInfo _getKey = null;
+ public static bool GetKey(KeyCode key)
+ {
+ _getKey ??= GetInputType().GetMethod("GetKey", new Type[] { typeof(KeyCode) });
+ return (bool)_getKey.Invoke(null, new object[] { key });
+ }
+ static MethodInfo _getKeyDown = null;
+ public static bool GetKeyDown(KeyCode key)
+ {
+ _getKeyDown ??= GetInputType().GetMethod("GetKeyDown", new Type[] { typeof(KeyCode) });
+ return (bool)_getKeyDown.Invoke(null, new object[] { key });
+ }
+
+ static MethodInfo _getMouseButton = null;
+ public static bool GetMouseButton(int button){
+ _getMouseButton ??= GetInputType().GetMethod("GetMouseButton", new Type[] { typeof(int) });
+ return (bool)_getMouseButton.Invoke(null, new object[] { button });
+ }
+
+ static MethodInfo _getMouseButtonDown = null;
+ public static bool GetMouseButtonDown(int button){
+ _getMouseButtonDown ??= GetInputType().GetMethod("GetMouseButtonDown", new Type[] { typeof(int) });
+ return (bool)_getMouseButtonDown.Invoke(null, new object[] { button });
+ }
+
+ static MethodInfo resetInputAxes = null;
+ public static void ResetInputAxes(){
+ resetInputAxes ??= GetInputType().GetMethod("ResetInputAxes", new Type[] {});
+ resetInputAxes.Invoke(null, new object[] {});
+ }
+
+ static PropertyInfo _mouseScrollDelta = null;
+ public static Vector2 mouseScrollDelta {
+ get {
+ // UnityEngine.Input.GetMouseButtonDown
+ _mouseScrollDelta ??= GetInputType().GetProperty("mouseScrollDelta");
+ return (Vector2)_mouseScrollDelta.GetValue(null, null);
+ }
+ }
+
+ static PropertyInfo _mousePosition = null;
+ public static Vector3 mousePosition {
+ get {
+ _mousePosition ??= GetInputType().GetProperty("mousePosition");
+ return (Vector3)_mousePosition.GetValue(null, null);
+ }
+ }
+}
+#endif