--黒魔術のカーテン
function c99789342.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCost(c99789342.cost)
	e1:SetTarget(c99789342.target)
	e1:SetOperation(c99789342.activate)
	c:RegisterEffect(e1)
end
function c99789342.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return not Duel.CheckSummonActivity(tp)
		and not Duel.CheckFlipSummonActivity(tp) and not Duel.CheckSpecialSummonActivity(tp) end
	Duel.PayLPCost(tp,math.floor(Duel.GetLP(tp)/2))
	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:SetTarget(c99789342.sumlimit)
	Duel.RegisterEffect(e1,tp)
	local e2=Effect.CreateEffect(e:GetHandler())
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET+EFFECT_FLAG_OATH)
	e2:SetCode(EFFECT_CANNOT_SUMMON)
	e2:SetReset(RESET_PHASE+PHASE_END)
	e2:SetTargetRange(1,0)
	Duel.RegisterEffect(e2,tp)
	local e3=e2:Clone()
	e3:SetCode(EFFECT_CANNOT_FLIP_SUMMON)
	Duel.RegisterEffect(e3,tp)
end
function c99789342.sumlimit(e,c,sump,sumtype,sumpos,targetp,se)
	return e:GetHandler()~=se:GetHandler()
end
function c99789342.filter(c,e,tp)
	return c:IsCode(46986414) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c99789342.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(c99789342.filter,tp,LOCATION_DECK,0,1,nil,e,tp)
	end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function c99789342.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,c99789342.filter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	if g:GetCount()>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
