Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Your opponent cannot activate cards or effects when "Gusto" monsters you control declare their attacks this turn.
--ガスタの風塵
--Dust Storm of Gusto
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)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsTurnPlayer(tp) and Duel.GetCurrentPhase()<=PHASE_BATTLE
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:IsHasType(EFFECT_TYPE_ACTIVATE) end
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCode(EFFECT_CANNOT_ACTIVATE)
	e1:SetTargetRange(0,1)
	e1:SetCondition(s.actcon)
	e1:SetValue(1)
	e1:SetReset(RESET_PHASE|PHASE_END)
	Duel.RegisterEffect(e1,tp)
end
function s.actcon(e)
	return Duel.CheckEvent(EVENT_ATTACK_ANNOUNCE) and Duel.GetAttacker():IsSetCard(SET_GUSTO)
end