Let table.check selectively not recurse.

game/engines/default/engine/utils.lua

@@ -263,20 +263,21 @@ function table.removeFromList(t, ...)
 	end
 end
 
-function table.check(t, fct, path)
-	if path then path = path..'/' else path = '' end
+function table.check(t, fct, do_recurse, path)
+	if path and path ~= '' then path = path..'/' else path = '' end
+	do_recurse = do_recurse or function() return true end
 	for k, e in pairs(t) do
 		local tk, te = type(k), type(e)
-		if te == "table" and not e.__CLASSNAME then
-			local ok, err = table.check(e, fct, path..tostring(k))
+		if te == "table" and not e.__CLASSNAME and do_recurse(e) then
+			local ok, err = table.check(e, fct, do_recurse, path..tostring(k))
 			if not ok then return nil, err end
 		else
 			local ok, err = fct(t, path..tostring(k), e, te)
 			if not ok then return nil, err end
 		end
 
-		if tk == "table" and not k.__CLASSNAME then
-			local ok, err = table.check(k, fct, path..tostring(k))
+		if tk == "table" and not k.__CLASSNAME and do_recurse(k) then
+			local ok, err = table.check(k, fct, do_recurse, path..tostring(k))
 			if not ok then return nil, err end
 		else
 			local ok, err = fct(t, path.."<key>", k, tk)