--エーリアンモナイト
--Alien Ammonite
local s,id=GetID()
function s.initial_effect(c)
	--summon success
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetTarget(s.sptg)
	e1:SetOperation(s.spop)
	c:RegisterEffect(e1)
end
s.listed_series={SET_ALIEN}
function s.filter(c,e,tp)
	local lv=c:GetLevel()
	return lv>0 and lv<=4 and c:IsSetCard(SET_ALIEN) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.filter(chkc,e,tp) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(s.filter,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
end
function s.spop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)~=0 then
		local fid=e:GetHandler():GetFieldID()
		tc:RegisterFlagEffect(id,RESET_EVENT|RESETS_STANDARD,0,1,fid)
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		e1:SetCode(EVENT_PHASE+PHASE_END)
		e1:SetCountLimit(1)
		e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
		e1:SetLabel(fid)
		e1:SetLabelObject(tc)
		e1:SetCondition(s.descon)
		e1:SetOperation(s.desop)
		Duel.RegisterEffect(e1,tp)
	end
end
function s.descon(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
	if tc:GetFlagEffectLabel(id)~=e:GetLabel() then
		e:Reset()
		return false
	else return true end
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Destroy(e:GetLabelObject(),REASON_EFFECT)
end