Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Once per turn, during your Main Phase: You can discard 1 monster; add 1 "Mirror Force" from your Deck or GY to your hand. If this Set card is destroyed by your opponent's card effect and sent to your GY: You can Set this card from your GY and 1 "Mirror Force" from your hand, Deck, or GY. They can be activated this turn.
--ミラーフォース・ランチャー
--Mirror Force Launcher
--Scripted by Eerie Code
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--Set 1 "Mirror Force"
	local e2=Effect.CreateEffect(c)
	e2:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1)
	e2:SetCondition(s.thcon)
	e2:SetCost(s.thcost)
	e2:SetTarget(s.thtg)
	e2:SetOperation(s.thop)
	c:RegisterEffect(e2)
	--Set itself and 1 "Mirror Force"
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e3:SetCode(EVENT_TO_GRAVE)
	e3:SetProperty(EFFECT_FLAG_DELAY)
	e3:SetCondition(s.setcon)
	e3:SetTarget(s.settg)
	e3:SetOperation(s.setop)
	c:RegisterEffect(e3)
end
s.listed_names={44095762} --Mirror Force
function s.thcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsTurnPlayer(tp) and Duel.IsMainPhase()
end
function s.thcfilter(c)
	return c:IsMonster() and c:IsDiscardable()
end
function s.thcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thcfilter,tp,LOCATION_HAND,0,1,nil) end
	Duel.DiscardHand(tp,s.thcfilter,1,1,REASON_COST|REASON_DISCARD)
end
function s.thfilter(c)
	return c:IsCode(44095762) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_DECK|LOCATION_GRAVE,0,1,nil)
		and e:GetHandler():GetFlagEffect(id)==0 end
	e:GetHandler():RegisterFlagEffect(id,RESET_PHASE|PHASE_END,0,1)
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK|LOCATION_GRAVE)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.thfilter),tp,LOCATION_DECK|LOCATION_GRAVE,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end
function s.setcon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return rp==1-tp and c:IsReason(REASON_EFFECT) and c:IsReason(REASON_DESTROY) and c:IsPreviousControler(tp)
		and c:IsPreviousLocation(LOCATION_ONFIELD) and c:IsPreviousPosition(POS_FACEDOWN)
end
function s.setfilter(c)
	return c:IsCode(44095762) and c:IsSSetable()
end
function s.settg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_SZONE)>1 and c:IsSSetable()
		and Duel.IsExistingMatchingCard(s.setfilter,tp,LOCATION_HAND|LOCATION_DECK|LOCATION_GRAVE,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_LEAVE_GRAVE,c,1,0,0)
end
function s.setop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if Duel.GetLocationCount(tp,LOCATION_SZONE)<2 or not c:IsRelateToEffect(e) or not c:IsSSetable() then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SET)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.setfilter),tp,LOCATION_HAND|LOCATION_DECK|LOCATION_GRAVE,0,1,1,nil)
	local tc=g:GetFirst()
	if tc then
		local sg=Group.FromCards(c,tc)
		Duel.SSet(tp,sg)
		local e1=Effect.CreateEffect(c)
		e1:SetDescription(aux.Stringid(id,0))
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_TRAP_ACT_IN_SET_TURN)
		e1:SetProperty(EFFECT_FLAG_SET_AVAILABLE)
		e1:SetReset(RESET_EVENT|RESETS_STANDARD)
		c:RegisterEffect(e1)
		local e2=e1:Clone()
		tc:RegisterEffect(e2)
	end
end