Reset network activity timeout only for certain packets.

src/net/common/servergamestate.cpp

@@ -165,6 +165,8 @@ AbstractServerGameStateReceiving::Process(ServerGameThread &server)
 		// Process packet if one was received.
 		if (packet.get())
 		{
+			if (packet->IsClientActivity())
+				session.sessionData->ResetActivityTimer();
 			if (packet->ToNetPacketRetrievePlayerInfo())
 			{
 				// Delegate to Lobby.

src/net/common/serverlobbythread.cpp

@@ -358,6 +358,9 @@ ServerLobbyThread::ProcessLoop()
 		}
 		if (packet.get())
 		{
+			if (packet->IsClientActivity())
+				session.sessionData->ResetActivityTimer();
+
 			if (session.sessionData->GetState() == SessionData::Init)
 			{
 				if (packet->ToNetPacketInit())

src/net/common/sessionmanager.cpp

@@ -147,8 +147,6 @@ SessionManager::Select(unsigned timeoutMsec)
 			}
 		}
 	}
-	if (retSession.sessionData.get())
-		retSession.sessionData->ResetActivityTimer();
 	return retSession;
 }