Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Once per turn: You can target 1 "Flint" in the Spell & Trap Zone; equip it to this card. During your Main Phase: You can target 1 "Flint" equipped to this card, and 1 face-up monster on the field, except this card; equip that "Flint" to that targeted monster. This card can only be equipped with 1 "Flint". While equipped with "Flint", this card is unaffected by the effect of "Flint", and cannot be destroyed by battle.
--フリントロック
--Flint Lock
local s,id=GetID()
function s.initial_effect(c)
	--equip
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCountLimit(1)
	e1:SetCondition(s.eqcon1)
	e1:SetTarget(s.eqtg1)
	e1:SetOperation(s.eqop1)
	c:RegisterEffect(e1)
	--equip
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCondition(s.eqcon2)
	e2:SetTarget(s.eqtg2)
	e2:SetOperation(s.eqop2)
	c:RegisterEffect(e2)
	--indes
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE)
	e3:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e3:SetCondition(s.eqcon2)
	e3:SetValue(1)
	c:RegisterEffect(e3)
end
s.listed_names={75560629}
function s.eqcon1(e,tp,eg,ep,ev,re,r,rp)
	return not e:GetHandler():GetEquipGroup():IsExists(Card.IsCode,1,nil,75560629)
end
function s.filter1(c,ec)
	return c:IsFaceup() and c:IsCode(75560629) and c:CheckEquipTarget(ec)
end
function s.eqtg1(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter1,tp,LOCATION_SZONE,LOCATION_SZONE,1,nil,e:GetHandler()) end
	Duel.SetOperationInfo(0,CATEGORY_EQUIP,nil,1,0,LOCATION_SZONE)
end
function s.eqop1(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_EQUIP)
	local g=Duel.SelectMatchingCard(tp,s.filter1,tp,LOCATION_SZONE,LOCATION_SZONE,1,1,nil,c)
	local eqc=g:GetFirst()
	if eqc then
		Duel.Equip(tp,eqc,c)
	end
end
function s.eqcon2(e,tp,eg,ep,ev,re,r,rp)
	return e:GetHandler():GetEquipGroup():IsExists(Card.IsCode,1,nil,75560629)
end
function s.filter2(c,eqc)
	return c:IsFaceup() and eqc:CheckEquipTarget(c)
end
function s.eqtg2(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local eqc=e:GetHandler():GetEquipGroup():Filter(Card.IsCode,nil,75560629):GetFirst()
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and s.filter2(chkc,eqc) end
	if chk==0 then return Duel.IsExistingTarget(s.filter2,tp,LOCATION_MZONE,LOCATION_MZONE,1,e:GetHandler(),eqc) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	Duel.SelectTarget(tp,s.filter2,tp,LOCATION_MZONE,LOCATION_MZONE,1,1,e:GetHandler(),eqc)
	Duel.SetOperationInfo(0,CATEGORY_EQUIP,eqc,1,0,0)
end
function s.eqop2(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	local eqc=e:GetHandler():GetEquipGroup():Filter(Card.IsCode,nil,75560629):GetFirst()
	if eqc then
		Duel.Equip(tp,eqc,tc)
	end
end