Avoid redundant per-frame calls to getDbProp in CNetManager

--HG--
branch : kaetemi-optimize

code/ryzom/client/src/net_manager.cpp

@@ -3861,22 +3861,28 @@ bool CNetManager::update()
 		CInterfaceManager *im = CInterfaceManager::getInstance();
 		if (im)
 		{
-			CCDBNodeLeaf *node = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:PING", false);
+			CCDBNodeLeaf *node = m_PingLeaf ? &*m_PingLeaf
+				: (m_PingLeaf = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:PING", false));
 			if (node)
 				node->setValue32(getPing());
-			node = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:UPLOAD", false);
+			node = m_UploadLeaf ? &*m_UploadLeaf
+				: (m_UploadLeaf = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:UPLOAD", false));
 			if (node)
 				node->setValue32((sint32)(getMeanUpload()*1024.f/8.f));
-			node = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:DOWNLOAD", false);
+			node = m_DownloadLeaf ? &*m_DownloadLeaf
+				: (m_DownloadLeaf = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:DOWNLOAD", false));
 			if (node)
 				node->setValue32((sint32)(getMeanDownload()*1024.f/8.f));
-			node = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:PACKETLOST", false);
+			node = m_PacketLostLeaf ? &* m_PacketLostLeaf
+				: (m_PacketLostLeaf = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:PACKETLOST", false));
 			if (node)
 				node->setValue32((sint32)getMeanPacketLoss());
-			node = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:SERVERSTATE", false);
+			node = m_ServerStateLeaf ? &*m_ServerStateLeaf
+				: (m_ServerStateLeaf = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:SERVERSTATE", false));
 			if (node)
 				node->setValue32((sint32)getConnectionState());
-			node = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:CONNECTION_QUALITY", false);
+			node = m_ConnectionQualityLeaf ? &*m_ConnectionQualityLeaf
+				: (m_ConnectionQualityLeaf = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:CONNECTION_QUALITY", false));
 			if (node)
 				node->setValue32((sint32)getConnectionQuality());
 		}

code/ryzom/client/src/net_manager.h

@@ -43,6 +43,7 @@ void initializeNetwork();
 namespace NLMISC
 {
 	class CBitMemStream;
+	class CCDBNodeLeaf;
 };
 
 
@@ -126,6 +127,13 @@ public:
 protected:
 	bool _IsReplayStarting;
 #endif
+
+	NLMISC::CRefPtr<NLMISC::CCDBNodeLeaf> m_PingLeaf;
+	NLMISC::CRefPtr<NLMISC::CCDBNodeLeaf> m_UploadLeaf;
+	NLMISC::CRefPtr<NLMISC::CCDBNodeLeaf> m_DownloadLeaf;
+	NLMISC::CRefPtr<NLMISC::CCDBNodeLeaf> m_PacketLostLeaf;
+	NLMISC::CRefPtr<NLMISC::CCDBNodeLeaf> m_ServerStateLeaf;
+	NLMISC::CRefPtr<NLMISC::CCDBNodeLeaf> m_ConnectionQualityLeaf;
 };