Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
2+ Effect Monsters This card's name becomes "Decode Talker" while on the field. Gains 500 ATK for each monster it points to. During your Battle Phase, if a monster this card points to is destroyed by battle or sent to the GY: You can activate this effect; this card can make a second attack during each Battle Phase this turn. * The above text is unofficial and describes the card's functionality in the OCG.
--デコード・トーカー・エクステンド
--Decode Talker Extended
--Scripted by AlphaKretin
local s,id=GetID()
function s.initial_effect(c)
	--Must be properly summoned before reviving
	c:EnableReviveLimit()
	--Link summon procedure
	Link.AddProcedure(c,aux.FilterBoolFunctionEx(Card.IsType,TYPE_EFFECT),2)
	--Name becomes "Decode Talker" while on the field
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetCode(EFFECT_CHANGE_CODE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetValue(1861629)
	c:RegisterEffect(e1)
	--Gains 500 ATK for each monster it points to
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_UPDATE_ATTACK)
	e2:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e2:SetRange(LOCATION_MZONE)
	e2:SetValue(s.atkval)
	c:RegisterEffect(e2)
	--Make a second attack
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e3:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCode(EVENT_BATTLE_DESTROYED)
	e3:SetCondition(s.regcon)
	e3:SetOperation(s.regop)
	c:RegisterEffect(e3)
	local e4=e3:Clone()
	e4:SetCode(EVENT_TO_GRAVE)
	e4:SetCondition(s.regcon2)
	c:RegisterEffect(e4)
	local e5=Effect.CreateEffect(c)
	e5:SetDescription(aux.Stringid(id,1))
	e5:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e5:SetProperty(EFFECT_FLAG_SINGLE_RANGE+EFFECT_FLAG_DELAY+EFFECT_FLAG_DAMAGE_STEP)
	e5:SetCode(EVENT_CUSTOM+id)
	e5:SetRange(LOCATION_MZONE)
	e5:SetCondition(s.racon)
	e5:SetTarget(s.ratg)
	e5:SetOperation(s.raop)
	c:RegisterEffect(e5)
end
s.listed_names={1861629}
function s.atkval(e,c)
	return c:GetLinkedGroup():FilterCount(Card.IsMonster,nil)*500
end
function s.cfilter(c,tp,zone)
	local seq=c:GetPreviousSequence()
	if not c:IsPreviousControler(tp) then seq=seq+16 end
	return c:IsPreviousLocation(LOCATION_MZONE) and bit.extract(zone,seq)~=0
end
function s.regcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.cfilter,1,nil,tp,e:GetHandler():GetLinkedZone())
end
function s.cfilter2(c,tp,zone)
	return not c:IsReason(REASON_BATTLE) and s.cfilter(c,tp,zone)
end
function s.regcon2(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.cfilter2,1,nil,tp,e:GetHandler():GetLinkedZone())
end
function s.regop(e,tp,eg,ep,ev,re,r,rp)
	Duel.RaiseSingleEvent(e:GetHandler(),EVENT_CUSTOM+id,e,0,tp,0,0)
end
function s.racon(e,tp,eg,ep,ev,re,r,rp)
	local ph=Duel.GetCurrentPhase()
	local p=Duel.GetTurnPlayer()
	return p==tp and Duel.IsBattlePhase()
end
function s.ratg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():GetEffectCount(EFFECT_EXTRA_ATTACK)==0 end
end
function s.raop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) then
		--Can make a second attack
		local e1=Effect.CreateEffect(c)
		e1:SetDescription(3201)
		e1:SetProperty(EFFECT_FLAG_CLIENT_HINT)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_EXTRA_ATTACK)
		e1:SetValue(1)
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		c:RegisterEffect(e1)
	end
end