Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
When this card is Normal Summoned: You can target 1 Level 4 or lower WIND Dragon or Winged Beast monster in your GY; Special Summon it, but negate its effects. While this card is equipped to a monster: You can Special Summon this equipped card. You can only use each effect of "Dragunity Guisarme" once per turn.
--ドラグニティ－ギザーム
--Dragunity Guisarme
--scripted by pyrQ
local s,id=GetID()
function s.initial_effect(c)
	--Special Summon 1 Level 4 or lower WIND Dragon/Winged Beast from your GY
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_SUMMON_SUCCESS)
	e1:SetCountLimit(1,id)
	e1:SetTarget(s.gysptg)
	e1:SetOperation(s.gyspop)
	c:RegisterEffect(e1)
	--Special Summon this equipped card
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1,{id,1})
	e2:SetCondition(function(e) return e:GetHandler():GetEquipTarget() end)
	e2:SetTarget(s.selfsptg)
	e2:SetOperation(s.selfspop)
	c:RegisterEffect(e2)
end
function s.spfilter(c,e,tp)
	return c:IsAttribute(ATTRIBUTE_WIND) and c:IsRace(RACE_DRAGON|RACE_WINGEDBEAST) and c:IsLevelBelow(4)
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.gysptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.spfilter(chkc,e,tp) end
	if chk==0 then return Duel.IsExistingTarget(s.spfilter,tp,LOCATION_GRAVE,0,1,nil,e,tp)
		and Duel.GetLocationCount(tp,LOCATION_MZONE)>0 end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.spfilter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
end
function s.gyspop(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsRelateToEffect(e) and Duel.SpecialSummonStep(tc,0,tp,tp,false,false,POS_FACEUP) then
		--Negate its effects
		tc:NegateEffects(e:GetHandler())
	end
	Duel.SpecialSummonComplete()
end
function s.selfsptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and c:IsCanBeSpecialSummoned(e,0,tp,false,false) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,c,1,0,0)
end
function s.selfspop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if not c:IsRelateToEffect(e) then return end
	Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
end