Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Cannot be Normal Summoned/Set. Must first be Special Summoned (from your hand) while you control no monsters. Cannot attack if you control another monster.
--フォトン・スラッシャー
--Photon Thrasher
local s,id=GetID()
function s.initial_effect(c)
	c:EnableReviveLimit()
	--special summon
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_SPSUMMON_PROC)
	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e1:SetRange(LOCATION_HAND)
	e1:SetCondition(s.spcon)
	c:RegisterEffect(e1)
	--cannot attack
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_SINGLE)
	e2:SetCode(EFFECT_CANNOT_ATTACK)
	e2:SetCondition(s.atcon)
	c:RegisterEffect(e2)
end
function s.spcon(e,c)
	if c==nil then return true end
	return Duel.GetFieldGroupCount(c:GetControler(),LOCATION_MZONE,0,nil)==0
		and Duel.GetLocationCount(c:GetControler(),LOCATION_MZONE)>0
end
function s.atcon(e)
	return Duel.GetFieldGroupCount(e:GetHandlerPlayer(),LOCATION_MZONE,0)>1
end