--G・ボールパーク
function c58012707.initial_effect(c)
	--activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--Damage to 0
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(58012707,0))
	e2:SetCategory(CATEGORY_TOGRAVE+CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_PRE_DAMAGE_CALCULATE)
	e2:SetRange(LOCATION_FZONE)
	e2:SetCountLimit(1,58012707)
	e2:SetCondition(c58012707.dmcon)
	e2:SetTarget(c58012707.dmtg)
	e2:SetOperation(c58012707.dmop)
	c:RegisterEffect(e2)
	--special summon
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(58012707,2))
	e3:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e3:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e3:SetProperty(EFFECT_FLAG_DELAY)
	e3:SetCode(EVENT_TO_GRAVE)
	e3:SetRange(LOCATION_FZONE)
	e3:SetCountLimit(1,58012708)
	e3:SetCondition(c58012707.spcon)
	e3:SetTarget(c58012707.sptg)
	e3:SetOperation(c58012707.spop)
	c:RegisterEffect(e3)
end
function c58012707.dmcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetBattleDamage(tp)>0 or Duel.GetBattleDamage(1-tp)>0
end
function c58012707.tgfilter(c)
	return c:IsLevelBelow(4) and c:IsRace(RACE_INSECT) and c:IsAbleToGrave()
end
function c58012707.dmtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(c58012707.tgfilter,tp,LOCATION_DECK,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOGRAVE,nil,1,tp,LOCATION_DECK)
end
function c58012707.spfilter(c,e,tp,code)
	return c:IsCode(code) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c58012707.dmop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if not c:IsRelateToEffect(e) then return end
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e1:SetCode(EVENT_PRE_BATTLE_DAMAGE)
	e1:SetOperation(c58012707.damop)
	e1:SetReset(RESET_PHASE+PHASE_DAMAGE)
	Duel.RegisterEffect(e1,tp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local tc=Duel.SelectMatchingCard(tp,c58012707.tgfilter,tp,LOCATION_DECK,0,1,1,nil):GetFirst()
	if tc and Duel.SendtoGrave(tc,REASON_EFFECT)~=0 and tc:IsLocation(LOCATION_GRAVE) and tc:IsType(TYPE_NORMAL) then
		local g=Duel.GetMatchingGroup(aux.NecroValleyFilter(c58012707.spfilter),tp,LOCATION_DECK+LOCATION_HAND+LOCATION_GRAVE,0,nil,e,tp,tc:GetCode())
		local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
		if Duel.IsPlayerAffectedByEffect(tp,59822133) then ft=1 end
		if g:GetCount()>0 and ft>0 and Duel.SelectYesNo(tp,aux.Stringid(58012707,1)) then
			Duel.BreakEffect()
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
			local sg=g:Select(tp,1,ft,nil)
			Duel.SpecialSummon(sg,0,tp,tp,false,false,POS_FACEUP)
		end
	end
end
function c58012707.damop(e,tp,eg,ep,ev,re,r,rp)
	Duel.ChangeBattleDamage(tp,0)
	Duel.ChangeBattleDamage(1-tp,0)
end
function c58012707.cfilter(c,tp)
	return c:IsReason(REASON_EFFECT) and c:IsType(TYPE_MONSTER) and c:IsPreviousLocation(LOCATION_MZONE) and c:GetPreviousControler()==tp
end
function c58012707.spcon(e,tp,eg,ep,ev,re,r,rp)
	return rp==1-tp and eg:IsExists(c58012707.cfilter,1,nil,tp)
end
function c58012707.spfilter2(c,e,tp)
	return c:IsRace(RACE_INSECT) and c:IsType(TYPE_NORMAL) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c58012707.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(c58012707.spfilter2,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_GRAVE)
end
function c58012707.spop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) or Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(c58012707.spfilter2),tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	if g:GetCount()>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
