Avoid redundant per-frame calls to getDbProp("UI:VARIABLES:MK_MOVE")

--HG--
branch : kaetemi-optimize

code/ryzom/client/src/motion/user_controls.cpp

@@ -294,7 +294,9 @@ void CUserControls::update()
 	// update camera collision once per frame
 	View.updateCameraCollision();
 
-	NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:MK_MOVE")->setValue32(autowalkState());
+	NLMISC::CCDBNodeLeaf *node = _UiVarMkMoveDB ? &*_UiVarMkMoveDB
+		: (_UiVarMkMoveDB = NLGUI::CDBManager::getInstance()->getDbProp("UI:VARIABLES:MK_MOVE"));
+	node->setValue32(autowalkState());
 }// update //
 
 

code/ryzom/client/src/motion/user_controls.h

@@ -31,6 +31,9 @@
 // Std.
 #include <string>
 
+namespace NLMISC {
+	class CCDBNodeLeaf;
+}
 
 ///////////
 // CLASS //
@@ -305,6 +308,8 @@ private:
 
 	/// when true the next forward action will cancel any moveto
 	bool _NextForwardCancelMoveTo;
+
+	NLMISC::CRefPtr<NLMISC::CCDBNodeLeaf> _UiVarMkMoveDB;
 };
 
 /// User Controls (mouse, keyboard, interfaces, ...)