Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
This card gains effects based on the total number of cards in both players' Pendulum Zones. ● 1 or more: This card gains 800 ATK and DEF. ● 2 or more: At the start of the Damage Step, if this card battles a Pendulum Summoned monster: Destroy that monster. ● 3 or more: Monsters your opponent controls must attack this card, if able. ● 4: If this card destroys a monster by battle or by its own effect: Draw 1 card.
--ヒュプノシスター
--Hypnosister
local s,id=GetID()
function s.initial_effect(c)
	--atk/def
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_SINGLE)
	e1:SetProperty(EFFECT_FLAG_SINGLE_RANGE)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCode(EFFECT_UPDATE_ATTACK)
	e1:SetValue(800)
	e1:SetCondition(s.effcon)
	e1:SetLabel(1)
	c:RegisterEffect(e1)
	local e2=e1:Clone()
	e2:SetCode(EFFECT_UPDATE_DEFENSE)
	c:RegisterEffect(e2)
	--destroy
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,0))
	e3:SetCategory(CATEGORY_DESTROY)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e3:SetCode(EVENT_BATTLE_START)
	e3:SetCondition(s.effcon)
	e3:SetTarget(s.destg)
	e3:SetOperation(s.desop)
	e3:SetLabel(2)
	c:RegisterEffect(e3)
	--must attack
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_FIELD)
	e4:SetCode(EFFECT_MUST_ATTACK)
	e4:SetRange(LOCATION_MZONE)
	e4:SetTargetRange(0,LOCATION_MZONE)
	e4:SetCondition(s.effcon)
	e4:SetLabel(3)
	c:RegisterEffect(e4)
	local e5=e4:Clone()
	e5:SetCode(EFFECT_MUST_ATTACK_MONSTER)
	e5:SetValue(s.atklimit)
	c:RegisterEffect(e5)
	--draw
	local e6=Effect.CreateEffect(c)
	e6:SetDescription(aux.Stringid(id,1))
	e6:SetCategory(CATEGORY_DRAW)
	e6:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e6:SetCode(EVENT_BATTLE_DESTROYING)
	e6:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e6:SetCondition(s.drcon1)
	e6:SetTarget(s.drtg)
	e6:SetOperation(s.drop)
	e6:SetLabel(4)
	c:RegisterEffect(e6)
	local e7=Effect.CreateEffect(c)
	e7:SetDescription(aux.Stringid(id,1))
	e7:SetCategory(CATEGORY_DRAW)
	e7:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e7:SetCode(EVENT_DESTROYED)
	e7:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e7:SetRange(LOCATION_MZONE)
	e7:SetCondition(s.drcon2)
	e7:SetTarget(s.drtg)
	e7:SetOperation(s.drop)
	e7:SetLabel(4)
	c:RegisterEffect(e7)
end
function s.effcon(e)
	return Duel.GetFieldGroupCount(0,LOCATION_PZONE,LOCATION_PZONE)>=e:GetLabel()
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk)
	local tc=e:GetHandler():GetBattleTarget()
	if chk==0 then return tc and tc:IsFaceup() and tc:IsPendulumSummoned() end
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,tc,1,0,0)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetHandler():GetBattleTarget()
	if tc:IsRelateToBattle() then
		Duel.Destroy(tc,REASON_EFFECT)
	end
end
function s.atklimit(e,c)
	return c==e:GetHandler()
end
function s.drcon1(e,tp,eg,ep,ev,re,r,rp)
	return s.effcon(e)
		and e:GetHandler():IsRelateToBattle()
end
function s.drtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(tp)
	Duel.SetTargetParam(1)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
end
function s.drop(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Draw(p,d,REASON_EFFECT)
end
function s.drcon2(e,tp,eg,ep,ev,re,r,rp)
	return s.effcon(e)
		and (r&REASON_EFFECT)~=0 and re:GetHandler()==e:GetHandler()
end