Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If a "Steelswarm" monster is Tribute Summoned face-up while this card is face-up on the field, you can Normal Summon or Set 1 monster in addition to your Normal Summon or Set that turn.
--インヴェルズの門番
--Steelswarm Gatekeeper
local s,id=GetID()
function s.initial_effect(c)
	--extra summon
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetOperation(s.sumop)
	c:RegisterEffect(e1)
end
s.listed_series={SET_STEELSWARM}
function s.sumop(e,tp,eg,ep,ev,re,r,rp)
	local ec=eg:GetFirst()
	local c=e:GetHandler()
	if ec~=e:GetHandler() and ec:IsSetCard(SET_STEELSWARM) and ec:IsTributeSummoned() then
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_FIELD)
		e1:SetRange(LOCATION_MZONE)
		e1:SetDescription(aux.Stringid(id,0))
		e1:SetTargetRange(LOCATION_HAND|LOCATION_MZONE,0)
		e1:SetCode(EFFECT_EXTRA_SUMMON_COUNT)
		e1:SetReset(RESETS_STANDARD_PHASE_END)
		c:RegisterEffect(e1)
		local e2=e1:Clone()
		e2:SetCode(EFFECT_EXTRA_SET_COUNT)
		c:RegisterEffect(e2)
	end
end