Prevent inserting the same key multiple times into an input action

openVulkanoCpp/Input/InputAction.hpp

@@ -53,11 +53,27 @@ namespace OpenVulkano::Input
 
 		void BindKey(InputKey key, float scale = 1)
 		{
+			for (auto& binding : keys)
+			{
+				if (binding.key == key)
+				{
+					binding.scale = scale;
+					return;
+				}
+			}
 			keys.emplace_back(key, scale);
 		}
 
 		void BindAxisButtons(InputKey keyPositive, InputKey keyNegative, float scale = 1)
 		{
+			for (auto& binding : axisButtons)
+			{
+				if (binding.positive == keyPositive && binding.negative == keyNegative)
+				{
+					binding.scale = scale;
+					return;
+				}
+			}
 			axisButtons.emplace_back(keyPositive, keyNegative, scale);
 		}
 	};

openVulkanoCpp/Input/InputKey.hpp

@@ -309,5 +309,15 @@ namespace OpenVulkano::Input
 		[[nodiscard]] InputType GetInputType() const { return type; }
 
 		[[nodiscard]] int16_t GetInputKey() const { return key; }
+
+		bool operator==(const InputKey& other)
+		{
+			return deviceType == other.deviceType && type == other.type && key == other.key;
+		}
+
+		bool operator!=(const InputKey& other)
+		{
+			return !(*this == other);
+		}
 	};
 }