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triggerServerEvent


Ihnify

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Hi

how to send information about the created element to the server from the client

example :

vehicleBlip = createElement('vehicleBlip', 'vehicleBlip')

I need to send vehicleBlip to the server

I want the blip to be deleted when the player gets in the car

how?)

Edited by Ihnify
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  • Ihnify changed the title to triggerServerEvent
57 minutes ago, Ihnify said:

Hi

how to send information about the created element to the server from the client

example :

vehicleBlip = createElement('vehicleBlip', 'vehicleBlip')

I need to send vehicleBlip to the server

I want the blip to be deleted when the player gets in the car

how?)

use destroyElement


type
 

destroyElement (element)

example:
let's assume that the created blip is called BlipCarro, then insert the function to execute when the player enters the car
 

 destroyElement (BlipCarro)

 

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1 minute ago, Rakashy said:

use destroyElement


type
 


destroyElement (element)

example:
let's assume that the created blip is called BlipCarro, then insert the function to execute when the player enters the car
 


 destroyElement (BlipCarro)

 

but blip is created only when a player gets into the transport stream zone, then blip is created, and I want to make sure that blip is not created if the player is in the car, and if the transport is already in the player's stream zone and another player got into the car, blip was deleted

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Just now, Ihnify said:

mas o blip é criado apenas quando um jogador entra na zona de fluxo de transporte, então o blip é criado, e eu quero ter certeza de que o blip não seja criado se o jogador estiver no carro e se o transporte já estiver na zona de fluxo do jogador e outro jogador entrou no carro, o blip foi excluído

post your script for more help...

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  • Moderators
1 hour ago, Ihnify said:

I need to send vehicleBlip to the server

  • Server created elements are available clientside.
  • Client created elements are NOT available on serverside.

 

But there is 1 trick you can use to delete clientside elements by serverside.

Start the following example when you are not downloading other resources, clientside must have been started before 10 seconds.

 

Server

local serverSideElement = createElement("exampleElement", "id:3563454hasduy3685dsfs") 


setTimer(function () -- destroy the element over 10 seconds
	destroyElement(serverSideElement)
end, 10000, 1)

 

Client

local clientSideElement = createElement("exampleExample")


-- get the serverside element
local serverSideElement = getElementByID("id:3563454hasduy3685dsfs")
if isElement(serverSideElement) then
	setElementParent(clientSideElement, serverSideElement) -- set the clientside element as child of the serverside element
end


addEventHandler("onClientElementDestroy", clientSideElement, 
function () 
  iprint("onClientElementDestroy")
end, false)

 

***

Fixed the wrong ID value.

 

 

Edited by IIYAMA
  • Like 1
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this client side 

local vehicleBlipRoot = createElement("vehicleBlipRoot", "vehicleBlipRoot")

local function streamIn()
	if getElementType(source) ~= "vehicle" then
		return
	end
	
	for _, blip in ipairs(getElementChildren(vehicleBlipRoot)) do
		if getElementAttachedTo(blip) == source then
			return
		end
	end

	if source == getPedOccupiedVehicle(localPlayer) then
		return
	end

	local blip = createBlipAttachedTo(source, 0, 1, 150, 150, 150, 255, 1)
	setElementParent(blip, vehicleBlipRoot)
end
addEventHandler("onClientElementStreamIn", root, streamIn)

local function streamOut()
	if getElementType(source) ~= "vehicle" then
		return
    end
	
    for _, blip in ipairs(getElementChildren(vehicleBlipRoot)) do
		if getElementAttachedTo(blip) == source then
			destroyElement(blip)
			break
		end
	end
end
addEventHandler("onClientElementStreamOut", root, streamOut)

I need to delete blip on the server

14 minutes ago, IIYAMA said:
  • Server created elements are available clientside.
  • Client created elements are NOT available on serverside.

 

But there is 1 trick you can use to delete clientside elements by serverside.

Start the following example when you are not downloading other resources, clientside must have been started before 10 seconds.

 

Server



local serverSideElement = createElement("exampleElement", "id:3563454hasduy3685dsfs") 


setTimer(function () -- destroy the element over 10 seconds
	destroyElement(serverSideElement)
end, 10000, 1)

 

Client



local clientSideElement = createElement("exampleExample")


-- get the serverside element
local serverSideElement = getElementByID("id:3563454hasduy3685dsfs")
if isElement(serverSideElement) then
	setElementParent(clientSideElement, serverSideElement) -- set the clientside element as child of the serverside element
end


addEventHandler("onClientElementDestroy", clientSideElement, 
function () 
  iprint("onClientElementDestroy")
end, false)

 

***

Fixed the wrong ID value.

 

 

but I need to delete the blip created on the client

Edited by Ihnify
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5 hours ago, Ihnify said:

but I need to delete the blip created on the client

Exactly, that is why I gave you an example of how to do that, don't waste it.

Since you still do not understand it, this is my last attempt to show you how you can delete clientside elements by also using a serverside element. If you still don't understand it, then that is unfortunately.

 

Serverside

local playerBlipElementContainerElement = createElement("playerBlipElementContainer", "playerBlipElementContainer:24436dg45632Ddfg") 

addEventHandler("onPlayerJoin", root, 
function () 
	local serverSideElement = createElement("playerBlipElement_serverSide") 
	setElementData(serverSideElement, "owner", source)
	setElementParent(serverSideElement, playerBlipElementContainerElement)
end)

--[[ 
-- Players already ingame
addEventHandler("onClientResourceStart"... getElementsByType("player") ...

]]

 

Clientside

local playerBlipElementContainerElement = getElementByID("playerBlipElementContainer:24436dg45632Ddfg")


-------------------
-- MODIFY THIS, for players already ingame (add a little delay) and for new players (onClientPlayerJoin + add a little delay)

local serverSideElements = getElementChildren(playerBlipElementContainerElement)
for i=1, #serverSideElements do
	local serverSideElement = serverSideElements[i]
	local owner = getElementData(serverSideElement, "owner")
	local blip = createBlipAttachedTo(owner, 0, 1, 150, 150, 150, 255, 1)
  
	setElementParent(blip, serverSideElement)
end

 

 

 

Edited by IIYAMA
  • Like 1
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1 hour ago, IIYAMA said:

Exactly, that is why I gave you an example of how to do that, don't waste it.

Since you still do not understand it, this is my last attempt to show you how you can delete clientside elements by also using a serverside element. If you still don't understand it, then that unfortunately.

 

Serverside




local playerBlipElementContainerElement = createElement("playerBlipElementContainer", "playerBlipElementContainer:24436dg45632Ddfg") 

addEventHandler("onPlayerJoin", root, 
function () 
	local serverSideElement = createElement("playerBlipElement_serverSide") 
	setElementData(serverSideElement, "owner", source)
	setElementParent(serverSideElement, playerBlipElementContainerElement)
end)

--[[ 
-- Players already ingame
addEventHandler("onClientResourceStart"... getElementsByType("player") ...

]]

 

Clientside




local playerBlipElementContainerElement = getElementByID("playerBlipElementContainer:24436dg45632Ddfg")


-------------------
-- MODIFY THIS, for players already ingame (add a little delay) and for new players (onClientPlayerJoin + add a little delay)

local serverSideElements = getElementChildren(playerBlipElementContainerElement)
for i=1, #serverSideElements do
	local serverSideElement = serverSideElements[i]
	local owner = getElementData(serverSideElement, "owner")
	local blip = createBlipAttachedTo(owner, 0, 1, 150, 150, 150, 255, 1)
  
	setElementParent(blip, serverSideElement)
end

 

 

 

Sorry, but I didn't understand :D I'm really stupid, you can use an example with creating a blip for an vehicle, and deleting it on the server, please, if it's not difficult

Edited by Ihnify
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3 hours ago, Ihnify said:

Sorry, but I didn't understand :D I'm really stupid, you can use an example with creating a blip for an vehicle, and deleting it on the server, please, if it's not difficult

You are not stupid, it might be too complex to begin with.

 

This is called the element tree:

Tre.png

https://wiki.multitheftauto.com/wiki/Element_tree

 

And as you know, tree's do start with the root element. (With this tree, there is a single root, yea I know that is strange...)

 

Under this (inverted) tree you can see it is branching in to different other elements.

This is how MTA organize it's elements.

  • resourceRoot is the start of a single resource.
  • Under the resourceRoot, you can see 1 resourceDynamicElementRoot. (This is where all your elements created by script are childs of)
  • There are also resourceMapRootElement(s). Each element represents a map element, created by a .map file.

 


 

Knowing all this and look at this representation of your resource (based on the code above):

 

Serverside

<resource id="your-resource"> <!-- resourceRoot -->
  <map id="dynamic"> <!-- resourceDynamicElementRoot -->
  </map>
</resource>

 

Clientside

<resource id="your-resource"> <!-- (serverside) resourceRoot -->
	<map id="dynamic"> <!-- (serverside) resourceDynamicElementRoot -->

<!-- START clientside -->
		<vehicleBlipRoot>
			<blip/>  
			<blip/>  
			<blip/>  
		</vehicleBlipRoot>
<!-- END clientside -->

	</map> <!-- (serverside) -->
</resource> <!-- (serverside) -->

 

As I said before, clientside has access to all serverside elements. But serverside has no access/isn't ware of clientside elements.

 


 

You want to destroy client elements with serverside, but serverside is not ware that they exist. With the following element structure you can solve that:

<resource id="your-resource">
	<map id="dynamic">
		<vehicleBlipRoot>

			<blipServerSide>
				<!-- START clientside -->
				<blip/>  
				<!-- END clientside -->
			</blipServerSide> 

			<blipServerSide>
				<!-- START clientside -->
				<blip/>  
				<!-- END clientside -->
			</blipServerSide> 
          
			<blipServerSide>
				<!-- START clientside -->
				<blip/>  
				<!-- END clientside -->
			</blipServerSide> 

		</vehicleBlipRoot>
	</map>
</resource>

 

If you delete blipServerSide, with the function destroyElement, then the blip clientside will also be deleted.

  1. This is happening because when you call the destroyElement function on serverside, the same function will be called on clientside on the same element (behind the scenes).
  2. And thx to propagation (already enabled) the function will also be called for all the children of the element that is about to be destroyed, which is in this case the client element blip.

 

 

I can't explain it better than this.

 

 

 

 

 

 

 

 

 

Edited by IIYAMA
  • Like 2
  • Thanks 1
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