1 files changed, 10 insertions, 1 deletions
diff --git a/Source/Core/InputCommon/ControllerEmu/ControlGroup/ControlGroup.h b/Source/Core/InputCommon/ControllerEmu/ControlGroup/ControlGroup.h
index 30798b9b4d..146dc16fcb 100644
--- a/Source/Core/InputCommon/ControllerEmu/ControlGroup/ControlGroup.h
+++ b/Source/Core/InputCommon/ControllerEmu/ControlGroup/ControlGroup.h
@@ -4,8 +4,10 @@
 
 #pragma once
 
+#include <cmath>
 #include <memory>
 #include <string>
+#include <type_traits>
 #include <vector>
 
 #include "Common/CommonTypes.h"
@@ -35,7 +37,8 @@ enum class GroupType
   Tilt,
   Cursor,
   Triggers,
-  Slider
+  Slider,
+  Shake,
 };
 
 class ControlGroup
@@ -64,6 +67,12 @@ public:
 
   void AddDeadzoneSetting(SettingValue<double>* value, double maximum_deadzone);
 
+  template <typename T>
+  static T ApplyDeadzone(T input, std::common_type_t<T> deadzone)
+  {
+    return std::copysign(std::max(T{0}, std::abs(input) - deadzone) / (T{1} - deadzone), input);
+  }
+
   const std::string name;
   const std::string ui_name;
   const GroupType type;