--星辰竜パーン
local s,id,o=GetID()
function s.initial_effect(c)
	--set
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_BE_MATERIAL)
	e1:SetProperty(EFFECT_FLAG_DELAY)
	e1:SetCountLimit(1,id)
	e1:SetCondition(s.setcon)
	e1:SetTarget(s.settg)
	e1:SetOperation(s.setop)
	c:RegisterEffect(e1)
	--special summon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_TODECK)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetCode(EVENT_DESTROYED)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCountLimit(1,id+o)
	e2:SetCondition(s.spcon)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
function s.setcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return c:IsLocation(LOCATION_GRAVE) and r==REASON_FUSION
end
function s.setfilter(c)
	return c:IsSetCard(0x2c7) and c:IsType(TYPE_SPELL+TYPE_TRAP) and c:IsSSetable()
end
function s.settg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.setfilter,tp,LOCATION_DECK,0,1,nil) end
	Duel.Hint(HINT_OPSELECTED,1-tp,e:GetDescription())
end
function s.setop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SET)
	local g=Duel.SelectMatchingCard(tp,s.setfilter,tp,LOCATION_DECK,0,1,1,nil)
	local tc=g:GetFirst()
	if tc and Duel.SSet(tp,tc)~=0 then
		local mg=Duel.GetMatchingGroup(aux.TRUE,tp,LOCATION_MZONE,LOCATION_MZONE,nil)
		if #mg>0 and Duel.SelectYesNo(tp,aux.Stringid(id,2)) then
			Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
			local sg=mg:Select(tp,1,1,nil)
			Duel.HintSelection(sg)
			Duel.BreakEffect()
			Duel.Destroy(sg,REASON_EFFECT)
		end
	end
end
function s.cfilter(c,tp)
	return c:IsPreviousControler(tp) and c:IsPreviousLocation(LOCATION_MZONE) and c:IsPreviousPosition(POS_FACEUP)
		and c:IsType(TYPE_FUSION)
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return rp==1-tp and eg:IsExists(s.cfilter,1,e:GetHandler(),tp)
end
function s.spfilter(c,e,tp)
	return c:IsSetCard(0x2c7) and not c:IsType(TYPE_FUSION) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local c=e:GetHandler()
	if chk==0 then return c:IsAbleToDeck()
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_GRAVE,0,1,e:GetHandler(),e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_GRAVE)
	Duel.SetOperationInfo(0,CATEGORY_TODECK,c,1,0,0)
	Duel.Hint(HINT_OPSELECTED,1-tp,e:GetDescription())
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and aux.NecroValleyFilter()(c) and Duel.SendtoDeck(c,nil,SEQ_DECKBOTTOM,REASON_EFFECT)>0
		and c:IsLocation(LOCATION_DECK) then
		if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.spfilter),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
end
