Remote event needs client script, but tweening needs server script?

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#1

Hello!

I am making a game with roleplaying stuff; one part is an alarm system. I decided I wanted it also to open the doors as well as flashing lights. I’ve tested the alarm system and it works fine. It supposedly fires on all clients. The problem I have is the doors. It is my understanding that the server handles block positions, not the client, but the client is the only one able to receive the OnClientEvent:Connect function with a client script. How am I supposed to affect things in the server if I can only use a client script to connect?

I either receive an
attempt to index nil with 'position'
or an
Onclientevent can only be used on the client

Screenshot 2023-12-27 114849
Screenshot 2023-12-27 114849903×607 57.8 KB

Thanks!

#2

What data are you trying to send with position and how do you receive the data?

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#3

I’m trying to index the initial position of the parts before they are tweened.
The line it’s whining about is local initialPosition1a = part1a.Position

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#4

It’s really not that easy to work little to no information, could you provide some code snippets on how you are trying to achieve what you want to make

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#5

Im not exactly sure what data you’re asking for.

This is where I define the parts and the vectors 
local doorModel1 = script.Parent.Part1
local doorModel2 = script.Parent.Part2

local part1a = doorModel1:FindFirstChild("A")
local part1b = doorModel1:FindFirstChild("B")
local part1c = doorModel1:FindFirstChild("C")

local part2a = doorModel2:FindFirstChild("A")
local part2b = doorModel2:FindFirstChild("B")
local part2c = doorModel2:FindFirstChild("C")

local initialPosition1a = part1a.Position
local initialPosition1b = part1b.Position
local initialPosition1c = part1c.Position

local initialPosition2a = part2a.Position
local initialPosition2b = part2b.Position
local initialPosition2c = part2c.Position

local openOffset1 = Vector3.new(4, 0, 0) -- Change these offsets as needed
local openOffset2 = Vector3.new(-4, 0, 0) -- Change these offsets as needed
...
local doorOpen = script:FindFirstChild("Value")
...
local tweenInfo = TweenInfo.new(2, Enum.EasingStyle.Cubic, Enum.EasingDirection.InOut)
This the relevant part of the door closing and opening function 
local function toggleDoor()
	-- Check if the button is on cooldown
	if isOnCooldown then
		return
	end
...

	if doorOpen.Value == true then
		doorOpen.Value = false
		
		local part1aTween1 = game:GetService("TweenService"):Create(part1a, tweenInfo, {Position = initialPosition1a})
		local part1bTween1 = game:GetService("TweenService"):Create(part1b, tweenInfo, {Position = initialPosition1b})
		local part1cTween1 = game:GetService("TweenService"):Create(part1c, tweenInfo, {Position = initialPosition1c})

		local part2aTween1 = game:GetService("TweenService"):Create(part2a, tweenInfo, {Position = initialPosition2a})
		local part2bTween1 = game:GetService("TweenService"):Create(part2b, tweenInfo, {Position = initialPosition2b})
		local part2cTween1 = game:GetService("TweenService"):Create(part2c, tweenInfo, {Position = initialPosition2c})
		

		part1aTween1:Play()
		part1bTween1:Play()
		part1cTween1:Play()

		part2aTween1:Play()
		part2bTween1:Play()
		part2cTween1:Play()

	else 

		doorOpen.Value = true

		local part1aTween2 = game:GetService("TweenService"):Create(part1a, tweenInfo, {Position = initialPosition1a + openOffset1})
		local part1bTween2 = game:GetService("TweenService"):Create(part1b, tweenInfo, {Position = initialPosition1b + openOffset1})
		local part1cTween2 = game:GetService("TweenService"):Create(part1c, tweenInfo, {Position = initialPosition1c + openOffset1})

		local part2aTween2 = game:GetService("TweenService"):Create(part2a, tweenInfo, {Position = initialPosition2a + openOffset2})
		local part2bTween2 = game:GetService("TweenService"):Create(part2b, tweenInfo, {Position = initialPosition2b + openOffset2})
		local part2cTween2 = game:GetService("TweenService"):Create(part2c, tweenInfo, {Position = initialPosition2c + openOffset2})
		part1aTween2:Play()
		part1bTween2:Play()
		part1cTween2:Play()

		part2aTween2:Play()
		part2bTween2:Play()
		part2cTween2:Play()

...
			end
		end)
	end
Then this function waits for the event to be fired 
local ReplicatedStorage = game:GetService("ReplicatedStorage")
local MusterAlarmEvent = ReplicatedStorage:WaitForChild("MusterAlarmEvent")

local function onMusterAlarm()
	toggleDoor()
end

MusterAlarmEvent.OnClientEvent:Connect(onMusterAlarm)

Please let me know if you need other data. As I said earlier, the event fires correctly and connects.

#6

Make sure that the Script that is getting the remote fire is a Local Script, not a Server Script

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#7

That’s the problem. If it’s a local script, it can’t change the position of the parts

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