diff -r 060a13878ca0 -r be953e1621d9 sources/network/bytestream.cpp
--- a/sources/network/bytestream.cpp	Wed Jan 27 12:41:50 2021 +0200
+++ b/sources/network/bytestream.cpp	Wed Jan 27 19:48:41 2021 +0200
@@ -1,5 +1,5 @@
 /*
-	Copyright 2014 - 2016 Teemu Piippo
+	Copyright 2014 - 2021 Teemu Piippo
 	All rights reserved.
 
 	Redistribution and use in source and binary forms, with or without
@@ -36,7 +36,7 @@
  * \brief Constructs a byte cursor. The cursor is placed to the beginning of the stream.
  * \param data
  */
-Bytestream::Bytestream(ByteArray& data) :
+Bytestream::Bytestream(std::vector<unsigned char>& data) :
     m_data(data),
     m_position(0) {}
 
@@ -49,8 +49,8 @@
 	if (bytesLeft() < bytes)
 	{
 		int bytesPast = bytes - bytesLeft();
-		String message;
-		message.sprintf("attempted to read %d byte%s past the end of bytestream", bytesPast, plural(bytesPast));
+		std::string message;
+		message = sprintf("attempted to read %d byte%s past the end of bytestream", bytesPast, plural(bytesPast));
 		throw IOError (message);
 	}
 }
@@ -66,7 +66,7 @@
 /*!
  * \returns an iterator to the current data position.
  */
-ByteArray::Iterator Bytestream::getCurrentIterator()
+std::vector<unsigned char>::iterator Bytestream::getCurrentIterator()
 {
 	return m_data.begin() + m_position;
 }
@@ -90,7 +90,7 @@
 	ensureReadSpace (2);
 	int16_t result = 0;
 
-	for (int i : range(2))
+	for (int i : {0, 1})
 		result |= read() << (i * 8);
 
 	return result;
@@ -104,8 +104,8 @@
 {
 	ensureReadSpace (4);
 	int32_t result = 0;
-
-	for (int i : range(4))
+	
+	for (int i = 0; i < 4; i += 1)
 		result |= read() << (i * 8);
 
 	return result;
@@ -127,9 +127,9 @@
  * \brief Reads in characters until a null terminator is encountered.
  * \returns the read string.
  */
-String Bytestream::readString()
+std::string Bytestream::readString()
 {
-	String result;
+	std::string result;
 
 	for (char byte; (byte = readByte()) != '\0';)
 	{
@@ -145,10 +145,10 @@
  * \param length Amount of bytes to read.
  * \returns the read buffer.
  */
-ByteArray Bytestream::readBuffer(int length)
+std::vector<unsigned char> Bytestream::readBuffer(int length)
 {
 	ensureReadSpace(length);
-	ByteArray result(length);
+	std::vector<unsigned char> result(length);
 	memcpy(result.data(), m_data.data() + m_position, length);
 	m_position += length;
 	return result;
@@ -160,7 +160,7 @@
  */
 void Bytestream::writeByte(int8_t value)
 {
-	m_data.append(value);
+	m_data.push_back(value);
 }
 
 /*!
@@ -169,8 +169,9 @@
  */
 void Bytestream::writeShort(int16_t value)
 {
-	for (int i : range(2))
-		m_data.append((value >> (i * 8)) & 0xFF);
+	m_data.reserve(m_data.size() + 2);
+	for (int i : {0, 1})
+		m_data.push_back((value >> (i * 8)) & 0xFF);
 }
 
 /*!
@@ -179,8 +180,9 @@
  */
 void Bytestream::writeLong(int32_t value)
 {
-	for (int i : range(4))
-		m_data.append((value >> (i * 8)) & 0xFF);
+	m_data.reserve(m_data.size() + 4);
+	for (int i = 0; i < 4; i += 1)
+		m_data.push_back((value >> (i * 8)) & 0xFF);
 }
 
 /*!
@@ -199,10 +201,13 @@
  * \brief Writes the given string to the end of the data.
  * \param text String to write.
  */
-void Bytestream::writeString(const String& string)
+void Bytestream::writeString(const std::string& string)
 {
-	m_data.append(string.toBytes(), string.length());
-	m_data.append(0);
+	const int oldSize = m_data.size();
+	m_data.reserve(m_data.size() + string.length() + 1);
+	m_data.resize(m_data.size() + string.length());
+	std::copy(string.begin(), string.end(), m_data.begin() + oldSize);
+	m_data.push_back(0);
 }
 
 /*!