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Need help about element data


Dazee

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Okay so I was attempting to create a function where I can create a blip on the map which I successfully accomplish then I wanted to either use the same command to make the marker and remove it but I failed miserably here is my result can someone explain me on how to do things like that btw here is the code I came up with in the end that doesen't work

function createPartyBlip ( thePlayer, commandName )  
     if ( thePlayer ) then    
     local x,y,z = getElementPosition (thePlayer) 
     local theBlip = createBlip( x, y, z, 49, 0, 0, 0, 255) 
     local theBlip0 = setElementData( thePlayer, "tempdata.party", theBlip ) 
     local theBlip2 = setElementData ( thePlayer, "tempdata.partyblip", 1 ) 
     local theBlip3 = setElementData ( thePlayer, "tempdata.partyblippy", x ) 
     local theBlip4 = setElementData ( thePlayer, "tempdata.partyblippy", y ) 
     local theBlip5 = setElementData ( thePlayer, "tempdata.partyblippy", z ) 
     if ( theBlip ) then 
        outputChatBox("Marker created successfully", thePlayer) 
     else 
        outputChatBox("Failed to create a marker", thePlayer) 
       end 
    end 
    addCommandHandler( "party", createPartyBlip ) 
function removePartyBlip ( thePlayer, commandName )  
    if ( getElementData(thePlayer, "tempdata.partyblip", 1 ) ) then 
    local blippe=getElementData(thePlayer, "tempdata.party" ) 
    local blippy2=getElementData(thePlayer, "tempdata.partyblippy") 
    local blippy3=getElementData(thePlayer, "tempdata.partyblippy") 
    local blippy4=getElementData(thePlayer, "tempdata.partyblippy")  
    setElementData(thePlayer, "tempdata.partyblip", 0) 
    destroyElement(blippe, blippy2, blippy3, blippy4) 
    outputChatBox("Blip has been removed", thePlayer ) 
 end 
end 
end 
addCommandHandler( "partyremove", removePartyBlip ) 
  

If someone could correct this it would be a great learning experience for me since I learn from wiki and other scripts

Edited by Guest
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You don't need to do e.g. local abcd = setElementData.

Just use setElementData since you don't check the result anyway.

Also, I'm not sure but setElementData and getElementData probably require a boolean value (true/false) instead of 1 and 0.

About the destroying, only 1 argument allowed. destroyElement(element)

And you only need one anyway.

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Ok i have come up with this

function createPartyBlip ( thePlayer, commandName ) 
     local x,y,z = getElementPosition (thePlayer) 
     if ( thePlayer ) then    
     theBlip = createBlip( x, y, z, 49, 0, 0, 0, 255) 
     setElementData( thePlayer, "tempdata.party", theBlip ) 
     setElementData( thePlayer, "tempdata.patee", true ) 
     if ( theBlip ) then 
        outputChatBox("Marker created successfully", thePlayer) 
     else 
        outputChatBox("Failed to create a marker", thePlayer) 
       end 
    end 
    addCommandHandler( "party", createPartyBlip ) 
function removePartyBlip (thePlayer)  
    if ( getElementData(thePlayer, "tempdata.patee", true ) ) then 
    destroyElement(getElementData(thePlayer,"tempdata.party", theBlip)) 
    outputChatBox("Blip has been removed", thePlayer ) 
    setElementData( thePlayer, "tempdata.patee", false ) 
 end 
end 
end 
addCommandHandler( "partyremove", removePartyBlip ) 

but i dont understand why does it say the error all the time

[2014-09-05 00:44:33] WARNING: scoreboardupdated\basiccommands.lua:22: Bad argument @ 'addCommandHandler' [Expected function at argument 2, got nil] 

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I think you screwed up on ending functions.

  
function createPartyBlip ( thePlayer, commandName ) 
     local x,y,z = getElementPosition (thePlayer) 
     if ( thePlayer ) then    
        theBlip = createBlip( x, y, z, 49, 0, 0, 0, 255) 
        setElementData( thePlayer, "tempdata.party", theBlip ) 
        setElementData( thePlayer, "tempdata.patee", true ) 
        if ( theBlip ) then 
           outputChatBox("Marker created successfully", thePlayer) 
        else 
           outputChatBox("Failed to create a marker", thePlayer) 
         end 
     end 
end 
addCommandHandler( "party", createPartyBlip ) 
  
function removePartyBlip (thePlayer) 
    if ( getElementData(thePlayer, "tempdata.patee", true ) ) then 
       destroyElement(getElementData(thePlayer,"tempdata.party", theBlip)) 
       outputChatBox("Blip has been removed", thePlayer ) 
       setElementData( thePlayer, "tempdata.patee", false ) 
    end 
end 
addCommandHandler( "partyremove", removePartyBlip ) 
  

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