Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Discard 1 Spell Card from your hand to inflict 500 points of damage to your opponent's Life Points.
--零式魔導粉砕機
--Type Zero Magic Crusher
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)
	c:RegisterEffect(e1)
	--damage
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_DAMAGE)
	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetHintTiming(0,TIMINGS_CHECK_MONSTER|TIMING_END_PHASE)
	e2:SetCost(s.cost)
	e2:SetTarget(s.target)
	e2:SetOperation(s.operation)
	c:RegisterEffect(e2)
end
function s.costfilter(c)
	return c:IsSpell() and c:IsDiscardable()
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.costfilter,tp,LOCATION_HAND,0,1,e:GetHandler()) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DISCARD)
	local cg=Duel.SelectMatchingCard(tp,s.costfilter,tp,LOCATION_HAND,0,1,1,nil)
	Duel.SendtoGrave(cg,REASON_COST|REASON_DISCARD)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(1-tp)
	Duel.SetTargetParam(500)
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,1-tp,500)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Damage(p,d,REASON_EFFECT)
end