Improve network module in more C++ way

src/openrct2/network/NetworkConnection.cpp

@@ -20,15 +20,11 @@
 constexpr size_t NETWORK_DISCONNECT_REASON_BUFFER_SIZE = 256;
 constexpr size_t NetworkBufferSize = 1024 * 64; // 64 KiB, maximum packet size.
 
-NetworkConnection::NetworkConnection()
+NetworkConnection::NetworkConnection() noexcept
 {
     ResetLastPacketTime();
 }
 
-NetworkConnection::~NetworkConnection()
-{
-}
-
 NetworkReadPacket NetworkConnection::ReadPacket()
 {
     size_t bytesRead = 0;
@@ -155,7 +151,7 @@ void NetworkConnection::QueuePacket(NetworkPacket&& packet, bool front)
     }
 }
 
-void NetworkConnection::Disconnect()
+void NetworkConnection::Disconnect() noexcept
 {
     ShouldDisconnect = true;
 }
@@ -173,12 +169,12 @@ void NetworkConnection::SendQueuedPackets()
     }
 }
 
-void NetworkConnection::ResetLastPacketTime()
+void NetworkConnection::ResetLastPacketTime() noexcept
 {
     _lastPacketTime = platform_get_ticks();
 }
 
-bool NetworkConnection::ReceivedPacketRecently()
+bool NetworkConnection::ReceivedPacketRecently() const noexcept
 {
 #    ifndef DEBUG
     if (platform_get_ticks() > _lastPacketTime + 7000)
@@ -189,7 +185,7 @@ bool NetworkConnection::ReceivedPacketRecently()
     return true;
 }
 
-const utf8* NetworkConnection::GetLastDisconnectReason() const
+const utf8* NetworkConnection::GetLastDisconnectReason() const noexcept
 {
     return this->_lastDisconnectReason.c_str();
 }