--シンクロ・オーバートップ
local s,id,o=GetID()
function s.initial_effect(c)
	aux.AddCodeList(c,63436931)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCountLimit(1,id)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	--special summon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_TRIGGER_O+EFFECT_TYPE_FIELD)
	e2:SetCode(EVENT_BATTLE_DESTROYED)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCountLimit(1,id+o)
	e2:SetCondition(s.spcon)
	e2:SetCost(aux.bfgcost)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
function s.spfilter(c,e,tp)
	return c:IsType(TYPE_SYNCHRO) and c:IsLevel(7,8) and c:IsRace(RACE_DRAGON)
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP_DEFENSE)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.spfilter(chkc,e,tp) end
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if chk==0 then return ft>0
		and Duel.IsExistingTarget(s.spfilter,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	if Duel.IsPlayerAffectedByEffect(tp,59822133) then ft=1 end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.spfilter,tp,LOCATION_GRAVE,0,1,ft,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,#g,0,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	--splimit
	local e0=Effect.CreateEffect(c)
	e0:SetType(EFFECT_TYPE_FIELD)
	e0:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e0:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e0:SetTargetRange(1,0)
	e0:SetTarget(s.splimit)
	e0:SetReset(RESET_PHASE+PHASE_END)
	Duel.RegisterEffect(e0,tp)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if ft<=0 then return end
	local g=Duel.GetTargetsRelateToChain()
	if #g==0 then return end
	if #g>1 and Duel.IsPlayerAffectedByEffect(tp,59822133) then return end
	if #g>ft then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
		g=g:Select(tp,ft,ft,nil)
	end
	local tc=g:GetFirst()
	while tc do
		Duel.SpecialSummonStep(tc,0,tp,tp,false,false,POS_FACEUP_DEFENSE)
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_CHANGE_LEVEL)
		e1:SetValue(1)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD)
		tc:RegisterEffect(e1)
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_SINGLE)
		e2:SetCode(EFFECT_DISABLE)
		e2:SetReset(RESET_EVENT+RESETS_STANDARD)
		tc:RegisterEffect(e2)
		local e3=Effect.CreateEffect(c)
		e3:SetType(EFFECT_TYPE_SINGLE)
		e3:SetCode(EFFECT_DISABLE_EFFECT)
		e3:SetValue(RESET_TURN_SET)
		e3:SetReset(RESET_EVENT+RESETS_STANDARD)
		tc:RegisterEffect(e3)
		tc=g:GetNext()
	end
	Duel.SpecialSummonComplete()
end
function s.splimit(e,c)
	return not c:IsType(TYPE_SYNCHRO) and c:IsLocation(LOCATION_EXTRA)
end
function s.cfilter(c,tp)
	return c:IsPreviousPosition(POS_FACEUP) and c:IsPreviousControler(tp)
		and c:GetPreviousTypeOnField()&TYPE_SYNCHRO~=0
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.cfilter,1,nil,tp)
end
function s.spfilter2(c,e,tp)
	return c:IsCode(63436931) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
		and Duel.GetLocationCountFromEx(tp,tp,nil,c)>0
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.spfilter2,tp,LOCATION_EXTRA,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local tg=Duel.GetFirstMatchingCard(s.spfilter2,tp,LOCATION_EXTRA,0,nil,e,tp)
	if tg then
		Duel.SpecialSummon(tg,0,tp,tp,false,false,POS_FACEUP)
	end
end
