--メメント・ボーン・バック
--Memento Bone Back
--coded by Lyris
local s,id,o=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_LEAVE_FIELD)
	e1:SetCountLimit(1,id)
	e1:SetProperty(EFFECT_FLAG_DELAY+EFFECT_FLAG_DAMAGE_STEP)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	--spsummon
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetCode(EVENT_LEAVE_GRAVE)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetCountLimit(1,id+o)
	e2:SetProperty(EFFECT_FLAG_DELAY)
	e2:SetCondition(s.spcon)
	e2:SetCost(aux.bfgcost)
	e2:SetTarget(s.sptg)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
end
function s.cfilter(c,tp)
	return c:IsPreviousPosition(POS_FACEUP) and c:IsPreviousSetCard(0x2a1) and c:IsPreviousLocation(LOCATION_MZONE)
		and c:IsPreviousControler(tp) and c:GetReasonPlayer()==1-tp
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(s.cfilter,1,nil,tp)
end
function s.filter(c,e,tp)
	return c:IsCode(100421001) and c:IsCanBeSpecialSummoned(e,0,tp,true,false)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK+LOCATION_HAND,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK+LOCATION_HAND)
end
function s.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,s.filter,tp,LOCATION_DECK+LOCATION_HAND,0,1,1,nil,e,tp)
	Duel.SpecialSummon(g,0,tp,tp,true,false,POS_FACEUP)
end
function s.mfilter(c)
	return c:IsSetCard(0x2a1) and c:IsType(TYPE_MONSTER)
end
function s.spcon(e,tp,eg,ep,ev,re,r,rp)
	return rp==1-tp and eg:IsExists(s.mfilter,1,nil)
end
function s.sfilter(c,e,tp)
	return c:IsSetCard(0x2a1) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.sfilter,tp,LOCATION_DECK+LOCATION_HAND,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK+LOCATION_HAND)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(s.sfilter,tp,LOCATION_DECK+LOCATION_HAND,0,nil,e,tp)
	local ft=math.min(Duel.GetLocationCount(tp,LOCATION_MZONE),g:GetClassCount(Card.GetCode))
	if ft<=0 then return end
	if Duel.IsPlayerAffectedByEffect(tp,59822133) then ft=1 end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local sg=g:SelectSubGroup(tp,aux.dncheck,false,ft,ft)
	if sg then Duel.SpecialSummon(sg,0,tp,tp,false,false,POS_FACEUP) end
end
