struct light
    lightning l
    unit a
    unit b
    real time
    method clear takes nothing returns nothing
        call DestroyLightning(this.l)
    endmethod
    method movelight takes nothing returns nothing
        call MoveLightningEx(this.l,true,GetUnitX(this.a),GetUnitY(this.a),GetUnitFlyHeight(t  his.a),GetUnitX(this.b),GetUnitY(this.b),GetUnitFlyHeight(this.b))
    endmethod
endstruct

function SpellLightningMove takes nothing returns nothing
    local light data = TimerGetData()
    call data.movelight()
    set data.time = (data.time - 0.04)
    if data.time <= 0 then
        call TimerRemoveEx()
        call data.clear()
        call data.destroy()
    endif
endfunction

function SpellLightning takes string s, unit a, unit b, real time returns nothing
    local light data = light.create()
    set data.l = AddLightningEx(s,true,GetUnitX(a),GetUnitY(a),GetUnitFlyHeight(a),GetUnitX(b),Ge  tUnitY(b),GetUnitFlyHeight(b))
    set data.a = a
    set data.b = b
    set data.time = time
    call TimerStartEx(0.04, true, data, function SpellLightningMove)
endfunction

function GetUnitZ takes unit u returns real
    set bj_enumDestructableCenter = GetUnitLoc(u)
    return (GetLocationZ(bj_enumDestructableCenter) + GetUnitFlyHeight(u))
endfunction

function GetUnitZ takes unit u returns real
    set bj_enumDestructableCenter = GetUnitLoc(u)
    set bj_meleeNearestMineDist = GetLocationZ(bj_enumDestructableCenter)
    call RemoveLocation(bj_enumDestructableCenter)
    return (bj_meleeNearestMineDist + GetUnitFlyHeight(u))
endfunction