--ヴォルカニック・エミッション
--Volcanic Emission
--coded by Lyris
local s,id,o=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(s.tg)
	c:RegisterEffect(e1)
end
function s.filter(c,e,tp)
	return c:IsType(TYPE_MONSTER) and c:IsSetCard(0x32) and (c:IsAbleToHand()
		or Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and c:IsCanBeSpecialSummoned(e,0,tp,true,false))
end
function s.dfilter(c,tp)
	if c:IsControler(tp) and c:GetBaseAttack()<2 then return false end
	return c:IsFaceup() and c:GetBaseAttack()>0 and c:IsRace(RACE_PYRO)
end
function s.tg(e,tp,eg,ep,ev,re,r,rp,chk)
	local b1=Duel.GetFlagEffect(tp,id)==0
		and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK,0,1,nil,e,tp)
	local b2=Duel.GetFlagEffect(tp,id+o)==0
		and Duel.IsExistingTarget(s.dfilter,tp,LOCATION_MZONE,LOCATION_MZONE,1,nil,tp)
	if chk==0 then return b1 or b2 end
	local op=aux.SelectFromOptions(tp,{b1,aux.Stringid(id,0)},{b2,aux.Stringid(id,1)})
	if op==1 then
		e:SetCategory(CATEGORY_SEARCH+CATEGORY_TOHAND+CATEGORY_SPECIAL_SUMMON)
		e:SetProperty(0)
		e:SetOperation(s.sop)
		Duel.RegisterFlagEffect(tp,id,RESET_PHASE+PHASE_END,0,1)
		Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
		Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
	else
		e:SetCategory(CATEGORY_DAMAGE)
		e:SetProperty(EFFECT_FLAG_CARD_TARGET)
		e:SetOperation(s.dop)
		Duel.RegisterFlagEffect(tp,id+o,RESET_PHASE+PHASE_END,0,1)
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
		local tc=Duel.SelectTarget(tp,s.dfilter,tp,LOCATION_MZONE,LOCATION_MZONE,1,1,nil,tp):GetFirst()
		local atk=tc:GetBaseAttack()
		if tc:IsControler(tp) then atk=atk//2 end
		Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,1-tp,atk)
	end
end
function s.sop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_OPERATECARD)
	local tc=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_DECK,0,1,1,nil,e,tp):GetFirst()
	if not tc then return end
	local b1=tc:IsAbleToHand()
	local b2=Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and tc:IsCanBeSpecialSummoned(e,0,tp,true,false)
	local op=aux.SelectFromOptions(tp,{b1,1192},{b2,1152})
	if op==1 then
		Duel.SendtoHand(tc,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,tc)
	elseif Duel.SpecialSummon(tc,0,tp,tp,true,false,POS_FACEUP) then
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		e1:SetCode(EVENT_PHASE+PHASE_END)
		e1:SetRange(LOCATION_MZONE)
		e1:SetCountLimit(1)
		e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
		e1:SetOperation(s.ret)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e1,true)
	end
end
function s.ret(e,tp,eg,ep,ev,re,r,rp)
	Duel.SendtoHand(e:GetHandler(),nil,REASON_EFFECT)
end
function s.dop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsFaceup() and tc:IsRelateToEffect(e) then
		local d=1
		if tc:IsControler(tp) then d=2 end
		Duel.Damage(1-tp,tc:GetBaseAttack()//d,REASON_EFFECT)
	end
end
