--氷結界の三方陣
--Magic Triangle of the Ice Barrier
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY+CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
s.listed_series={SET_ICE_BARRIER}
function s.cfilter(c)
	return c:IsSetCard(SET_ICE_BARRIER) and c:IsMonster() and not c:IsPublic()
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	local g=Duel.GetMatchingGroup(s.cfilter,tp,LOCATION_HAND,0,nil)
	if chk==0 then return g:GetClassCount(Card.GetCode)>=3 end
	local sg=aux.SelectUnselectGroup(g,e,tp,3,3,aux.dncheck,1,tp,HINTMSG_CONFIRM)
	Duel.ConfirmCards(1-tp,sg)
	Duel.ShuffleHand(tp)
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(SET_ICE_BARRIER) 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:IsControler(1-tp) and chkc:IsOnField() end
	if chk==0 then return Duel.IsExistingTarget(aux.TRUE,tp,0,LOCATION_ONFIELD,1,nil)
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_HAND,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,aux.TRUE,tp,0,LOCATION_ONFIELD,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,1,0,0)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_HAND)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and Duel.Destroy(tc,REASON_EFFECT)~=0 then
		if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local g=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_HAND,0,1,1,nil,e,tp)
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end