--【背景音台】Morning Music
local m=33701410
local cm=_G["c"..m]
function cm.initial_effect(c)
	--activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_TOGRAVE)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetTarget(cm.target)
	e1:SetOperation(cm.operation)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(e:GetHandler())
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e2:SetRange(LOCATION_SZONE)
	e2:SetTargetRange(1,0)
	e2:SetTarget(cm.splimit)
	c:RegisterEffect(e2)
	local e3=e2:Clone()
	e3:SetCode(EFFECT_CANNOT_SUMMON)
	c:RegisterEffect(e3)
	local e4=Effect.CreateEffect(e:GetHandler())
	e4:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e4:SetCode(EVENT_PHASE+PHASE_STANDBY)
	e4:SetCountLimit(1)
	e4:SetRange(LOCATION_SZONE)
	e4:SetCondition(cm.thcon)
	e4:SetOperation(cm.thop)
	c:RegisterEffect(e4)
	local e5=e4:Clone()
	e5:SetCode(EVENT_PHASE+PHASE_END)
	c:RegisterEffect(e5)
	local e6=Effect.CreateEffect(c)
	e6:SetCategory(CATEGORY_SEARCH+CATEGORY_TOHAND)
	e6:SetType(EFFECT_TYPE_IGNITION)
	e6:SetRange(LOCATION_SZONE)
	e6:SetCost(cm.thcost1)
	e6:SetTarget(cm.thtg1)
	e6:SetOperation(cm.thop1)
	c:RegisterEffect(e6)
	
end
function cm.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	local sg=Duel.GetMatchingGroup(Card.IsAbleToGrave,tp,LOCATION_ONFIELD,0,e:GetHandler())
	if sg:GetCount()>0 then
		Duel.SetOperationInfo(0,CATEGORY_TOGRAVE,sg,sg:GetCount(),0,0)
	end
end
function cm.operation(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	local sg=Duel.GetMatchingGroup(aux.TRUE,tp,LOCATION_ONFIELD,0,:GetHandler())
	Duel.SendtoGrave(sg,REASON_EFFECT)
end
function cm.splimit(e,c)
	return not c:IsSetCard(0x15) or not (c:IsRace(RACE_MACHINE) and c:IsAttribute(ATTRIBUTE_LIGHT) and c:IsLevel(4))
end
function cm.thcon(e,tp,eg,ep,ev,re,r,rp)
	return tp==Duel.GetTurnPlayer()
end
function cm.thfilter(c)
	return (c:IsSetCard(0x15) or (c:IsRace(RACE_MACHINE) and c:IsAttribute(ATTRIBUTE_LIGHT) and c:IsLevel(4))) and c:IsAbleToHand()
end
function cm.thop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.SelectYesNo(aux.Stringid(m,0)) then
		Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
		local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(cm.thfilter),tp,LOCATION_DECK+LOCATION_GRAVE,0,1,1,nil)
		if g:GetCount()>0 then
			Duel.SendtoHand(g,nil,REASON_EFFECT)
			Duel.ConfirmCards(1-tp,g)
		end
	end
end
function cm.thcost1(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsAbleToGraveAsCost() end
	Duel.SendtoGrave(e:GetHandler(),REASON_COST)
end
function cm.thtg1(e,tp,eg,ep,ev,re,r,rp,chk)
	local g=Duel.GetMatchingGroup(aux.NecroValleyFilter(cm.thfilter),tp,LOCATION_DECK+LOCATION_GRAVE,0,nil)
	if chk==0 then return g:GetClassCount(Card.GetCode)>=4 end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,4,tp,LOCATION_DECK)
end
function cm.thop1(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local g=Duel.GetMatchingGroup(aux.NecroValleyFilter(cm.thfilter),tp,LOCATION_DECK+LOCATION_GRAVE,0,nil)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local cg=g:SelectSubGroup(tp,aux.dncheck,false,4,4)
	if cg:GetCount()>0 then
		Duel.SendtoHand(cg,nil,REASON_EFFECT)
		cg=Duel.GetOperatedGroup()
		local tc=cg:GetFirst()
		while tc do
			local e1=Effect.CreateEffect(c)
			e1:SetType(EFFECT_TYPE_SINGLE)
			e1:SetCode(EFFECT_PUBLIC)
			e1:SetReset(RESET_EVENT+RESETS_STANDARD)
			tc:RegisterEffect(e1)
			tc:RegisterFlagEffect(m,RESET_EVENT+RESETS_STANDARD,0,1)
		end
		cg:KeepAlive()
		local e2=Effect.CreateEffect(e:GetHandler())
		e2:SetType(EFFECT_TYPE_FIELD)
		e2:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
		e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
		e2:SetRange(LOCATION_SZONE)
		e2:SetTargetRange(1,0)
		e2:SetLabelObject(cg)
		e2:SetTarget(cm.splimit1)
		Duel.RegisterEffect(e2,tp)
		local e3=e2:Clone()
		e3:SetCode(EFFECT_CANNOT_SUMMON)
		Duel.RegisterEffect(e3,tp)
	end
end
function cm.filter(c)
	return c:GetFlagEffect(m)~=0
end
function cm.splimit1(e,c)
	local g=e:GetLabelObject()
	if not g then
		e:Reset()
		return false
	end
	local cg=g:Filter(cm.filter,nil)
	if cg:GetCount()==0 then
		cg:DeleteGroup()
		e:Reset()
		return false
	end
	return not cg:IsContains(c)
end