[HELP]Add Functions in this Drug Script

[CobbTheWarriorsRPG]

Hello I saw this Script in the forum,The script are made by taalasmaa and SirniNamaz,but I want to add to the script functions like When you use the cannabis you lose 1 hit and you have low gravity for 3 mins And Sell drugs,Can somebody help to create a nice script? here is the code For Taalasmaa

client.lua

  
function trolo() 
x,y = guiGetScreenSize() 
guiDrugs = guiCreateWindow(x-285-20,y-253-20,285,253,"F3 - Drug Manager",false) 
lblDrug = guiCreateLabel(17,31,32,16,"Drug:",false,guiDrugs) 
lblAmount = guiCreateLabel(203,31,50,15,"Amount:",false,guiDrugs) 
rdoCannabis = guiCreateRadioButton(15,55,135,17,"Cannabis",false,guiDrugs) 
guiRadioButtonSetSelected(rdoCannabis,true) 
rdoHeroin = guiCreateRadioButton(15,79,135,17,"Heroin",false,guiDrugs) 
rdoCocaine = guiCreateRadioButton(15,104,135,17,"Cocaine",false,guiDrugs) 
rdoLSD = guiCreateRadioButton(15,129,135,17,"LSD",false,guiDrugs) 
rdoEcstasy = guiCreateRadioButton(15,154,135,17,"Ecstasy",false,guiDrugs) 
rdoOpium = guiCreateRadioButton(15,180,135,17,"Opium",false,guiDrugs) 
btnTakeHit = guiCreateButton(39,208,96,30,"Take a Hit",false,guiDrugs) 
btnSell = guiCreateButton(145,208,96,30,"Sell",false,guiDrugs) 
lblCannabis = guiCreateLabel(200,54,54,14,"0",false,guiDrugs) 
guiLabelSetVerticalAlign(lblCannabis,"center") 
guiLabelSetHorizontalAlign(lblCannabis,"center",false) 
lblHeroin = guiCreateLabel(200,76,54,14,"0",false,guiDrugs) 
guiLabelSetVerticalAlign(lblHeroin,"center") 
guiLabelSetHorizontalAlign(lblHeroin,"center",false) 
lblCocaine = guiCreateLabel(200,102,54,14,"0",false,guiDrugs) 
guiLabelSetVerticalAlign(lblCocaine,"center") 
guiLabelSetHorizontalAlign(lblCocaine,"center",false) 
lblLSD = guiCreateLabel(200,127,54,14,"0",false,guiDrugs) 
guiLabelSetVerticalAlign(lblLSD,"center") 
guiLabelSetHorizontalAlign(lblLSD,"center",false) 
lblEcstasy = guiCreateLabel(200,153,54,14,"0",false,guiDrugs) 
guiLabelSetVerticalAlign(lblEcstasy,"center") 
guiLabelSetHorizontalAlign(lblEcstasy,"center",false) 
lblOpium = guiCreateLabel(200,179,54,14,"0",false,guiDrugs) 
guiLabelSetVerticalAlign(lblOpium,"center") 
guiLabelSetHorizontalAlign(lblOpium,"center",false) 
guiSetVisible(guiDrugs,false) 
end 
addEventHandler("onClientResourceStart",getResourceRootElement(getThisResource()),trolo) 
  
function drugShowHide () 
  if (guiGetVisible(guiDrugs)==false) then 
    guiSetVisible(guiDrugs,true) 
    showCursor(true) 
  else 
    guiSetVisible(guiDrugs,false) 
    showCursor(false) 
  end 
end 
bindKey("F3","down",drugShowHide) 
  
  
  
function oncQuit() 
    amountCannabis = guiGetText(lblCannabis) 
    amountHeroin = guiGetText(lblHeroin) 
    amountCocaine = guiGetText(lblCocaine) 
    amountLSD = guiGetText(lblLSD) 
    amountEcstasy = guiGetText(lblEcstasy) 
    amountOpium = guiGetText(lblOpium) 
    triggerServerEvent("saveDrugAmount",getLocalPlayer(),getLocalPlayer(),amountCannabis,amountHeroin,amountCocaine,amountLSD,amountEcstasy,amountOpium) 
end 
addEventHandler("onClientPlayerQuit",getRootElement(),oncQuit) 
  
  
  
function outputDrug (var1, var2, var3, var4, var5, var6) 
    guiSetText ( lblCannabis,var1) 
    guiSetText ( lblHeroin,var2) 
    guiSetText ( lblCocaine,var3) 
    guiSetText ( lblLSD,var4) 
    guiSetText ( lblEcstasy,var5) 
    guiSetText ( lblOpium,var6) 
end 
addEvent( "outputDrug2", true ) 
addEventHandler( "outputDrug2", getRootElement(), outputDrug ) 
  
  
addEvent("firstTime",true) 
addEventHandler("firstTime",getRootElement(), 
function() 
    outputChatBox ("Test Measage") 
    guiSetText(lblCannabis,"2") 
    guiSetText(lblHeroin,"2") 
    guiSetText(lblCocaine,"0") 
    guiSetText(lblLSD,"0") 
    guiSetText(lblEcstasy,"0") 
    guiSetText(lblOpium,"0") 
end) 
  

server.lua

  
addEvent("saveDrugAmount",true) 
addEventHandler("saveDrugAmount",getRootElement(), 
function(player,amountCannabisS,amountHeroinS,amountCocaineS,amountLSDS,amountEcstasyS,amountOpiumS) 
    playeraccount = getPlayerAccount(player) 
    if (playeraccount) then 
        setAccountData(playeraccount,"amountCannabis",tonumber(amountCannabisS)) 
        setAccountData(playeraccount,"amountHeroin",tonumber(amountHeroinS)) 
        setAccountData(playeraccount,"amountCocaine",tonumber(amountCocaineS)) 
        setAccountData(playeraccount,"amountLSDS",tonumber(amountLSDS)) 
        setAccountData(playeraccount,"amountEcstasy",tonumber(amountEcstasyS)) 
        setAccountData(playeraccount,"amountOpium",tonumber(amountOpiumS)) 
    end 
end) 
  
  
function loadDrugAmount() 
    playeraccount = getPlayerAccount(source) 
    if (playeraccount) then 
        amountCannabis2 = getAccountData(playeraccount,"amountCannabis") 
        amountHeroin2 = getAccountData(playeraccount,"amountHeroin") 
        amountCocaine2 = getAccountData(playeraccount,"amountCocaine") 
        amountLSD2 = getAccountData(playeraccount,"amountLSDS") 
        amountEcstasy2 = getAccountData(playeraccount,"amountEcstasy") 
        amountOpium2 = getAccountData(playeraccount,"amountOpium") 
        if (amountCannabis2) then 
        triggerClientEvent (source, "outputDrug2", getRootElement(), amountCannabis2, amountHeroin2, amountCocaine2, amountLSD2, amountEcstasy2, amountOpium2 ) 
        else 
        triggerClientEvent(source,"firstTime",getRootElement()) 
        end 
    end 
end 
addEventHandler("onPlayerLogin",getRootElement(),loadDrugAmount) 
  

[uhm]

Well the first thing you'll want to do is create a callback for the buttons btnTakeHit and btnSell. That way you can add code that executes when you press the button. (in client script)

addEventHandler ( "onClientGUIClick", btnTakeHit , takeAHit, false ) 

https://wiki.multitheftauto.com/wiki/AddEventHandler

https://wiki.multitheftauto.com/wiki/OnClientGUIClick

  
function takeAHit( button ) 
        -- Code goes here 
        -- To determine which drug user used, use the guiRadioButtonGetSelected function 
        -- [url=https://wiki.multitheftauto.com/wiki/GuiRadioButtonGetSelected]https://wiki.multitheftauto.com/wiki/Gui ... etSelected[/url] 
end 
  

Hope this puts you in the right direction!