--虚無坑
--Anti Emptiness
local s,id=GetID()
function s.initial_effect(c)
	--Negate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_NEGATE+CATEGORY_DESTROY+CATEGORY_ATKCHANGE)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_CHAINING)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DAMAGE_CAL)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	if not Duel.IsChainNegatable(ev) or not re:IsHasType(EFFECT_TYPE_ACTIVATE) then return false end
	local ex,tg,tc=Duel.GetOperationInfo(ev,CATEGORY_DESTROY)
	return rp~=tp and ex and tg~=nil and tc+tg:FilterCount(Card.IsType,nil,TYPE_SPELL+TYPE_TRAP)-#tg>0
end
function s.filter(c)
	return c:IsFaceup() and c:IsAttackAbove(1)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_MZONE,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_NEGATE,eg,1,0,0)
	if re:GetHandler():IsDestructable() and re:GetHandler():IsRelateToEffect(re) then
		Duel.SetOperationInfo(0,CATEGORY_DESTROY,eg,1,0,0)
	end
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	Duel.NegateActivation(ev)
	if re:GetHandler():IsRelateToEffect(re) then
		Duel.Destroy(eg,REASON_EFFECT)
	end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_MZONE,0,1,1,nil)
	if #g>0 then
		Duel.BreakEffect()
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_SET_ATTACK_FINAL)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		e1:SetValue(0)
		g:GetFirst():RegisterEffect(e1)
	end
end