Header

    globals
    endglobals
    
    function attackRandomUnit takes Tower tower returns nothing
        local Iterate it  = Iterate.overUnitsInRangeOfCaster(tower, TARGET_CREEPS, tower.getRange())
        local Creep creep = it.nextRandom()
        if creep != 0 then
            call it.destroy()
            call IssueTargetOrder(tower.getUnit(), "attack", creep.getUnit())
        endif
    endfunction
    
    function doIt takes nothing returns nothing
        local timer t = GetExpiredTimer()
        call attackRandomUnit(GetTimerData(t))
        call ReleaseTimer(t)
        set t = null
    endfunction
    
    //Do not remove or rename this function!
    //Put your initialization tasks here, this function will be called on map init
    private function init takes nothing returns nothing
    endfunction

On Attack

function onAttack takes Item itm returns nothing
    local Tower tower = itm.getCarrier()
    local timer t 
    if tower.typ.dmgpt > 0 then
        set t = NewTimer()
        call SetTimerData(t,tower)
        call TimerStart(t, pendingAttacksTimerStep, false, function doIt) 
        set t = null
    else
        call attackRandomUnit(tower)
    endif
endfunction