Add static utility functions to convert float and integer to/from byt…

…e arrays: BytesToInt, BytesToFloat, IntToBytes, FloatToBytes.

.gitignore

@@ -1,2 +1,3 @@
 UE4Duino/Binaries/
 UE4Duino/Intermediate/
+/*.zip

UE4Duino/Source/UE4Duino/Private/Serial.cpp

@@ -11,6 +11,40 @@ USerial* USerial::OpenComPort(bool &bOpened, int32 Port, int32 BaudRate)
 	return Serial;
 }
 
+int32 USerial::BytesToInt(TArray<uint8> Bytes)
+{
+	if (Bytes.Num() != 4)
+	{
+		return 0;
+	}
+
+	return *reinterpret_cast<int32*>(Bytes.GetData());
+}
+
+TArray<uint8> USerial::IntToBytes(const int32 &Int)
+{
+	TArray<uint8> Bytes;
+	Bytes.Append(reinterpret_cast<const uint8*>(&Int), 4);
+	return Bytes;
+}
+
+float USerial::BytesToFloat(TArray<uint8> Bytes)
+{
+	if (Bytes.Num() != 4)
+	{
+		return 0;
+	}
+
+	return *reinterpret_cast<float*>(Bytes.GetData());
+}
+
+TArray<uint8> USerial::FloatToBytes(const float &Float)
+{
+	TArray<uint8> Bytes;
+	Bytes.Append(reinterpret_cast<const uint8*>(&Float), 4);
+	return Bytes;
+}
+
 USerial::USerial()
 	: m_hIDComDev(NULL)
 	, m_Port(-1)

UE4Duino/Source/UE4Duino/Private/Serial.h

@@ -50,6 +50,42 @@ class USerial : public UObject
 	UFUNCTION(BlueprintCallable, meta = (DisplayName = "Open Serial Port"), Category = "UE4Duino", meta = (Keywords = "com arduino serial start"))
 	static USerial* OpenComPort(bool &bOpened, int32 Port = 1, int32 BaudRate = 9600);
 
+	/**
+	* Utility function to convert 4 bytes into an Integer. If the input array's length is not 4, returns 0.
+	* 
+	* @param Bytes A byte array with 4 values representing the integer in little-endian format.
+	* @return The final integer value or 0 for an invalid array.
+	*/
+	UFUNCTION(BlueprintPure, meta = (DisplayName = "Bytes to Int"), Category = "UE4Duino", meta = (Keywords = "cast concatenate group bit bitwise"))
+	static int32 BytesToInt(TArray<uint8> Bytes);
+
+	/**
+	* Utility function to get the 4 bytes that make an integer.
+	*
+	* @param Int The integer value to be converted.
+	* @return A byte array containing the 4 bytes that make the integer, starting from the least significant one (little endian).
+	*/
+	UFUNCTION(BlueprintPure, meta = (DisplayName = "Int to Bytes"), Category = "UE4Duino", meta = (Keywords = "cast separate bit bitwise"))
+	static TArray<uint8> IntToBytes(const int32 &Int);
+
+	/**
+	* Utility function to convert 4 bytes into a float. If the input array's length is not 4, returns 0.0.
+	*
+	* @param Bytes A byte array with 4 values representing the float in IEEE 754 standard format.
+	* @return The final float value or 0.0 for an invalid array.
+	*/
+	UFUNCTION(BlueprintPure, meta = (DisplayName = "Bytes to Float"), Category = "UE4Duino", meta = (Keywords = "cast concatenate group bit bitwise"))
+	static float BytesToFloat(TArray<uint8> Bytes);
+
+	/**
+	* Utility function to get the 4 bytes that make a float.
+	*
+	* @param Float The float value to be converted.
+	* @return A byte array containing the 4 bytes that make the float, in IEEE 754 standard format.
+	*/
+	UFUNCTION(BlueprintPure, meta = (DisplayName = "Float to Bytes"), Category = "UE4Duino", meta = (Keywords = "cast separate bit bitwise"))
+	static TArray<uint8> FloatToBytes(const float &Float);
+
 	/**
 	* Open a serial port. Don't forget to close the port before exiting the game.
 	* If this Serial instance has already an opened port,