Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If any Spell or Trap Card(s) are Chained, inflict 500 damage to your opponent.
--連爆魔人
--Blast Asmodian
local s,id=GetID()
function s.initial_effect(c)
	--chain
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e1:SetCode(EVENT_CHAINING)
	e1:SetRange(LOCATION_MZONE)
	e1:SetOperation(s.chop)
	c:RegisterEffect(e1)
	--damage
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_DAMAGE)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e2:SetCode(EVENT_CHAIN_END)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCondition(s.damcon)
	e2:SetTarget(s.damtg)
	e2:SetOperation(s.damop)
	e2:SetLabelObject(e1)
	c:RegisterEffect(e2)
end
function s.chop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetCurrentChain()==1 then
		e:SetLabel(0)
	elseif re:IsHasType(EFFECT_TYPE_ACTIVATE) then
		e:SetLabel(1)
	end
end
function s.damcon(e,tp,eg,ep,ev,re,r,rp)
	local res=e:GetLabelObject():GetLabel()
	e:GetLabelObject():SetLabel(0)
	return res==1
end
function s.damtg(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.damop(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	Duel.Damage(p,d,REASON_EFFECT)
end