--RUM－アストラル・フォース（アニメ）
local s,id=GetID()
function s.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:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	--salvage
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_TOHAND)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_PREDRAW)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCondition(s.thcon)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
end
function s.filter1(c,e,tp)
	local rk=c:GetRank()
	local pg=aux.GetMustBeMaterialGroup(tp,Group.FromCards(c),tp,nil,nil,REASON_XYZ)
	return #pg<=1 and c:IsFaceup() and (rk>0 or c:IsStatus(STATUS_NO_LEVEL))
		and Duel.IsExistingMatchingCard(s.filter2,tp,LOCATION_EXTRA,0,1,nil,rk+1,e,tp,c,pg)
		and not Duel.IsExistingMatchingCard(s.filter3,tp,LOCATION_MZONE,0,1,nil,rk)
end
function s.filter2(c,rk,e,tp,mc,pg)
	if c.rum_limit and not c.rum_limit(mc,e) then return false end
	return c:IsType(TYPE_XYZ) and mc:IsType(TYPE_XYZ,c,SUMMON_TYPE_XYZ,tp) and (c:IsRank(rk) or c:IsRank(rk+1)) and mc:IsCanBeXyzMaterial(c,tp)
		and (#pg<=0 or pg:IsContains(mc)) and c:IsCanBeSpecialSummoned(e,SUMMON_TYPE_XYZ,tp,false,false)
		and Duel.GetLocationCountFromEx(tp,tp,mc,c)>0
end
function s.filter3(c,rk)
	return c:IsFaceup() and c:IsType(TYPE_XYZ) and c:GetRank()>rk
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_MZONE) and s.filter1(chkc,e,tp) end
	if chk==0 then return Duel.IsExistingTarget(s.filter1,tp,LOCATION_MZONE,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TARGET)
	local g=Duel.SelectTarget(tp,s.filter1,tp,LOCATION_MZONE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<0 then return end
	local tc=Duel.GetFirstTarget()
	if not tc or tc:IsFacedown() or not tc:IsRelateToEffect(e) or tc:IsControler(1-tp) or tc:IsImmuneToEffect(e) then return end
	local pg=aux.GetMustBeMaterialGroup(tp,Group.FromCards(tc),tp,nil,nil,REASON_XYZ)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,s.filter2,tp,LOCATION_EXTRA,0,1,1,nil,tc:GetRank()+1,e,tp,tc,pg)
	local sc=g:GetFirst()
	if sc then
		sc:SetMaterial(tc)
		Duel.Overlay(sc,tc)
		Duel.SpecialSummon(sc,SUMMON_TYPE_XYZ,tp,tp,false,false,POS_FACEUP)
		sc:CompleteProcedure()
	end
end
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return tp==Duel.GetTurnPlayer() and Duel.GetFieldGroupCount(tp,LOCATION_DECK,0)>0
		and Duel.GetDrawCount(tp)>0
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsAbleToHand() end
	local dt=Duel.GetDrawCount(tp)
	if dt~=0 then
		_replace_count=0
		_replace_max=dt
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_FIELD)
		e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
		e1:SetCode(EFFECT_DRAW_COUNT)
		e1:SetTargetRange(1,0)
		e1:SetReset(RESET_PHASE+PHASE_DRAW)
		e1:SetValue(0)
		Duel.RegisterEffect(e1,tp)
	end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,e:GetHandler(),1,0,0)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	_replace_count=_replace_count+1
	if _replace_count<=_replace_max and c:IsRelateToEffect(e) then
		Duel.SendtoHand(c,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,c)
	end
end