Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
When your opponent declares a direct attack, while you have 3 or more Insect monsters in your GY: Negate the attack, and if you do, Special Summon 3 "Spider Tokens" (Insect/EARTH/Level 1/ATK 100/DEF 100) in Attack Position.
--スパイダー・エッグ
--Spider Egg
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_TOKEN)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_ATTACK_ANNOUNCE)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
s.listed_names={69550260}
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsTurnPlayer(1-tp) and Duel.GetAttackTarget()==nil
		and Duel.IsExistingMatchingCard(Card.IsRace,tp,LOCATION_GRAVE,0,3,nil,RACE_INSECT)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	local tg=Duel.GetAttacker()
	if chk==0 then return tg:IsOnField() and not Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) and Duel.GetLocationCount(tp,LOCATION_MZONE)>=3
		and Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,0,TYPES_TOKEN,100,100,1,RACE_INSECT,ATTRIBUTE_EARTH) end
	Duel.SetOperationInfo(0,CATEGORY_TOKEN,nil,3,0,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,3,tp,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if not Duel.IsPlayerAffectedByEffect(tp,CARD_BLUEEYES_SPIRIT) and Duel.NegateAttack() and Duel.GetLocationCount(tp,LOCATION_MZONE)>2
		and Duel.IsPlayerCanSpecialSummonMonster(tp,id+1,0,TYPES_TOKEN,100,100,1,RACE_INSECT,ATTRIBUTE_EARTH) then
		for i=1,3 do
			local token=Duel.CreateToken(tp,id+1)
			Duel.SpecialSummonStep(token,0,tp,tp,false,false,POS_FACEUP_ATTACK)
		end
		Duel.SpecialSummonComplete()
	end
end