scope Emp initializer Init{
    include "cj_types_priv.j"
    private hashtable Hash=InitHashtable()
    define{
        private SpellId                 ='A000'
        private LightId                 ="SPLK"
        private Duration                =15
        private TakesDmgToFirstTarg     =50  //%
        private TakesDmgToSecondTarg    =0 //%
        private CASTER                  =1
        private TARGET                  =2
        private Start($name$)=
        {
            thistype $name$ = thistype.create()
            timer t = NewTimer()
        }
        private End($name$,$func$)=
        {
            SetTimerData(t, $name$)
            TimerStart(t, 0.035, true, function thistype.$func$)
            t=null
        }
        private Get($name$)=
        {
            timer t = GetExpiredTimer()
            thistype $name$ = GetTimerData(t)
        }
        private DestrTrg(trig)=
        {
            if trig!=null then
                TriggerClearActions(trig)
                TriggerClearConditions(trig)
                DestroyTrigger(trig)
            endif
        }
            
    }
    private void onTakesDamage(){
        trigger t=GetTriggeringTrigger()
        int i=GetHandleId(t)
        unit cast=LoadUnitHandle(Hash,i,CASTER+2),targ=LoadUnitHandle(Hash,i,TARGET+2)
        real dmg1=LoadReal(Hash,i,CASTER),dmg2=LoadReal(Hash,i,TARGET)
        real dmg=GetEventDamage()
        unit u1=GetTriggerUnit(),u2=GetEventDamageSource()
        if dmg>0 and u2!=cast and u2!=targ
            if cast==u1
                SetWidgetLife(cast,GetWidgetLife(cast)+dmg/100*dmg1)
                DisableTrigger(t)
                UnitDamageTarget(u2, targ, dmg, true, true, ATTACK_TYPE_CHAOS, DAMAGE_TYPE_UNKNOWN,null)
                EnableTrigger(t)
            elseif targ==u1
                SetWidgetLife(targ,GetWidgetLife(targ)+dmg/100*dmg2)
                DisableTrigger(t)
                UnitDamageTarget(u2, cast, dmg, true, true, ATTACK_TYPE_CHAOS, DAMAGE_TYPE_UNKNOWN,null)
                EnableTrigger(t)
            endif
        endif
        cast=null
        targ=null
        u1=null
        u2=null
        t=null
    }
    private struct spell{
        unit cast,targ
        lightning l
        real time
        trigger t1
        static method onAction takes void returns void
            Get(r)
            if r.time>0 and GetWidgetLife(r.cast)>0.405 and GetWidgetLife(r.targ)>0.405
                r.time-=0.035
                real x1,y1,z1,x2,y2,z2
                x1=GetUnitX(r.cast)
                y1=GetUnitY(r.cast)
                z1=GetUnitFlyHeight(r.cast)
                x2=GetUnitX(r.targ)
                y2=GetUnitY(r.targ)
                z2=GetUnitFlyHeight(r.targ)
                MoveLightningEx(r.l,true,x1,y1,z1,x2,y2,z2)
            else
                DestrTrg(r.t1)
                DestroyLightning(r.l)
                FlushChildHashtable(Hash,GetHandleId(r.t1))
                ReleaseTimer(t)
            endif
            t=null
        endmethod
        static method onStart takes unit cast,unit targ returns void
            Start(r)
            r.cast=cast
            r.targ=targ
            r.time=Duration
            r.t1=CreateTrigger()
            SaveReal(Hash,GetHandleId(r.t1),CASTER,TakesDmgToFirstTarg)
            SaveReal(Hash,GetHandleId(r.t1),TARGET,TakesDmgToSecondTarg)
            SaveUnitHandle(Hash,GetHandleId(r.t1),CASTER+2,cast)
            SaveUnitHandle(Hash,GetHandleId(r.t1),TARGET+2,targ)
            real x1,y1,z1,x2,y2,z2
            x1=GetUnitX(r.cast)
            y1=GetUnitY(r.cast)
            z1=GetUnitFlyHeight(r.cast)
            x2=GetUnitX(r.targ)
            y2=GetUnitY(r.targ)
            z2=GetUnitFlyHeight(r.targ)
            r.l=AddLightningEx(LightId,true,x1,y1,z1,x2,y2,z2)
            TriggerRegisterUnitEvent( r.t1, cast, EVENT_UNIT_DAMAGED )
            TriggerRegisterUnitEvent( r.t1, targ, EVENT_UNIT_DAMAGED )
            TriggerAddAction(r.t1,function onTakesDamage)
            End(r,onAction)
        endmethod
    }
    private bool onCast(){
        if GetSpellAbilityId()==SpellId
            unit cast=GetTriggerUnit()
            unit targ=GetSpellTargetUnit()
            spell.onStart(cast,targ)
            cast=null
            targ=null
        endif
        return false
    }
    private void Init(){
        trigger t = CreateTrigger()          
        TriggerRegisterAnyUnitEventBJ(t, EVENT_PLAYER_UNIT_SPELL_EFFECT)
        TriggerAddCondition(t, Condition(function onCast))
        t = null
    }
}