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Re: How do you use data stores with fe?

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StrongNuclear is not online. StrongNuclear
Joined: 05 Mar 2016
Total Posts: 963
25 Apr 2016 05:00 PM
What is the most efficient way to do this?
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AggressiveCatch is not online. AggressiveCatch
Joined: 17 Jul 2011
Total Posts: 5840
25 Apr 2016 05:01 PM
what's the difference with FE or without? you can only save data on the server anyways
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GetTheJobDone is not online. GetTheJobDone
Joined: 20 Apr 2016
Total Posts: 3008
25 Apr 2016 05:01 PM
What?

If FE is in any way, shape, or form causing even the slightest problem or annoyance saving data, you're doing it client-side which you are not supposed to do no matter what. Otherwise it changes nothing.
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GetTheJobDone is not online. GetTheJobDone
Joined: 20 Apr 2016
Total Posts: 3008
25 Apr 2016 05:02 PM
@aggressive

"Note: Data stores can only be accessed from server scripts."

Maybe he's using scripts in PlayerGui and saving data there I'm going to guess.
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StrongNuclear is not online. StrongNuclear
Joined: 05 Mar 2016
Total Posts: 963
25 Apr 2016 05:03 PM
Well I am using data stores server sided.
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StrongNuclear is not online. StrongNuclear
Joined: 05 Mar 2016
Total Posts: 963
25 Apr 2016 05:07 PM
Although I am accessing a number value inside the players backpack.
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StrongNuclear is not online. StrongNuclear
Joined: 05 Mar 2016
Total Posts: 963
25 Apr 2016 05:12 PM
So should I move that number value to server storage so it's not local?

How would I access it then?
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IanVIII is not online. IanVIII
Joined: 03 Apr 2016
Total Posts: 535
25 Apr 2016 05:19 PM
The same way you would normally use DS.
The same way you would normally use FE.
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eRanged is online. eRanged
Joined: 15 Jun 2013
Total Posts: 9746
25 Apr 2016 05:28 PM
If you're using no FE move it to ServerStorage. If you're using FE it doesn't matter where you put it. It could be Backpack. Whenever a player changes something locally, it doesnt effect the server at all. But when the server changes it, It effects everythings. For example:

LocalScript in Backpack

local objectRemoved = workspace:WaitForChild("objectRemoved") -- A part

wait(5)

objectRemoved:Destroy() -- This wont even work but if a exploiter does it, it will only delete for him, however if a server does it, it affects everyone.


Script in ServerScriptService

local objectRemoved = workspace:WaitForChild("objectRemoved") -- A part

wait(5)

objectRemoved:Destroy() --Removes the object for all players



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StrongNuclear is not online. StrongNuclear
Joined: 05 Mar 2016
Total Posts: 963
25 Apr 2016 06:50 PM
eRan idk what I'm doing wrong then.
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eRanged is online. eRanged
Joined: 15 Jun 2013
Total Posts: 9746
25 Apr 2016 06:52 PM
What is the problem?



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StrongNuclear is not online. StrongNuclear
Joined: 05 Mar 2016
Total Posts: 963
25 Apr 2016 06:53 PM
I am using data stores that work without fe but not with fe.
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eRanged is online. eRanged
Joined: 15 Jun 2013
Total Posts: 9746
25 Apr 2016 06:55 PM
Ok, well things that could cause it to break is if you're:

-Trying to access to player's PlayerGui (nothing in the PlayerGui shows for the Server)
-Trying to access things too fast (use WaitForChild to fix this)

I don't know anything else, you're gonna need to be more specific. You could try looking at peaspod's DataStore tutorial, that's how I started learning about it.



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StrongNuclear is not online. StrongNuclear
Joined: 05 Mar 2016
Total Posts: 963
25 Apr 2016 07:00 PM
The only thing I am accessing in the server scripts is a number value in the local players backpack.
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AggressiveCatch is not online. AggressiveCatch
Joined: 17 Jul 2011
Total Posts: 5840
25 Apr 2016 07:01 PM
ya that won't work
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StrongNuclear is not online. StrongNuclear
Joined: 05 Mar 2016
Total Posts: 963
25 Apr 2016 07:03 PM
So would I have to use remote events?
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AggressiveCatch is not online. AggressiveCatch
Joined: 17 Jul 2011
Total Posts: 5840
25 Apr 2016 07:04 PM
yep
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StrongNuclear is not online. StrongNuclear
Joined: 05 Mar 2016
Total Posts: 963
25 Apr 2016 07:06 PM
Is there a tutorial for using data stores with fe?
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AggressiveCatch is not online. AggressiveCatch
Joined: 17 Jul 2011
Total Posts: 5840
25 Apr 2016 07:08 PM
http://wiki.roblox.com/index.php?title=RemoteFunction_and_RemoteEvent_Tutorial

just learn how to use remote events for all purposes
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eRanged is online. eRanged
Joined: 15 Jun 2013
Total Posts: 9746
25 Apr 2016 07:17 PM
ServerScripts don't need a Remote to access a player's Backpack (remember the example I gave).

However, if the LocalScript wanted to check the value then it would need to use a Remote



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AggressiveCatch is not online. AggressiveCatch
Joined: 17 Jul 2011
Total Posts: 5840
25 Apr 2016 07:18 PM
"ServerScripts don't need a Remote to access a player's Backpack (remember the example I gave)."

what example???
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eRanged is online. eRanged
Joined: 15 Jun 2013
Total Posts: 9746
25 Apr 2016 07:29 PM
Well you don't technically need a Remote to just view the Value, but if you wanted to buy a Weapon from shot, you should use remotes because checking from local can easily cause exploiters to just change their cash. (In my example, if you check from server the exploiters cash wont change.)

Here's another example.

ScreenGui
TextButton
LocalScript --Code Below (not real code just a example)


local Cash = ...Backpack..Cash
local Remote = -- 2lazywrite --
local AmountNeeded = 150

script.Parent.MouseButton1Click:connect(function()
if AmountNeeded <= Cash then
Remote:FireServer(Cash,AmountNeeded,WeaponName)
end)


Script in ServerScriptService

local Remote = -- 2lazywrite --

Remote.OnServerEvent:connect(function(player,Cash,ReqAmount,WeaponName)
local newWeapon = ..WeaponContainer.WeaponName:Clone()
newWeapon.Parent = player.Backpack
end)

^ --Easy exploit. The exploiter can just send a fake cash like 9999 and a fake Amount like 2. This is something you can do to prevent that:

local Cash = ...Backpack..Cash
local Remote = -- 2lazywrite --

script.Parent.MouseButton1Click:connect(function()
Remote:FireServer(WeaponName)
end)


Script in ServerScriptService

local Remote = -- 2lazywrite --

Remote.OnServerEvent:connect(function(player,WeaponName)
local Weapon = ..WeaponContainer.WeaponName
local Cash = player.Backpack..Cash
local ReqAmount = Weapon.Amount --A NumberValue

if ReqAmount <= Cash then
local newWeapon = Weapon:Clone()
newWeapon.Parent = player.Backpack
end
end)



Now... let's look at what we actually fixed.

Well first, We are not getting any values beside the WeaponName from the Client. Which means the player could only change the WeaponName. But that would be the same as just clicking a different button for the weapon.

Secondly, We Checked ReqAmount and Cash from server. GREATLY needed because if the exploiter has 50 cash and changes its cash to 500 it wont change for the server and we will still 50 cash.



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eRanged is online. eRanged
Joined: 15 Jun 2013
Total Posts: 9746
25 Apr 2016 07:31 PM
I posted a example earlier in the thread. That post was for strong though



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StrongNuclear is not online. StrongNuclear
Joined: 05 Mar 2016
Total Posts: 963
26 Apr 2016 05:17 PM
So my method should be working why is it not then?
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eRanged is online. eRanged
Joined: 15 Jun 2013
Total Posts: 9746
26 Apr 2016 05:22 PM
Idk, I don't even know your code xD


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