Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Target 3 Level 3 or lower Sea Serpent-Type monsters in your Graveyard; Special Summon all 3 of them. You cannot Special Summon any other monsters during the turn you activate this card.
--海皇の咆哮
--Call of the Atlanteans
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMING_END_PHASE)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetActivityCount(tp,ACTIVITY_SPSUMMON)==0 end
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET+EFFECT_FLAG_OATH)
	e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e1:SetReset(RESET_PHASE|PHASE_END)
	e1:SetTargetRange(1,0)
	e1:SetLabelObject(e)
	e1:SetTarget(s.sumlimit)
	Duel.RegisterEffect(e1,tp)
	aux.RegisterClientHint(e:GetHandler(),nil,tp,1,0,aux.Stringid(id,1),nil)
end
function s.sumlimit(e,c,sump,sumtype,sumpos,targetp,se)
	return e:GetLabelObject()~=se
end
function s.filter(c,e,tp)
	return c:IsLevelBelow(3) and c:IsRace(RACE_SEASERPENT) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.filter(chkc,e,tp) end
	if chk==0 then return not Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT)
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>2
		and Duel.IsExistingTarget(s.filter,tp,LOCATION_GRAVE,0,3,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_GRAVE,0,3,3,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,3,0,0)
end
function s.rfilter(c,e,tp)
	return c:IsRelateToEffect(e) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) then return end
	local g=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if ft<=2 then return end
	if g:FilterCount(s.rfilter,nil,e,tp)~=3 then return end
	Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
end