Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Neither player can Special Summon monsters, except WATER monsters.
--豪雨の結界像
--Barrier Statue of the Torrent
local s,id=GetID()
function s.initial_effect(c)
	--disable spsummon
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCode(EFFECT_CANNOT_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetTargetRange(1,1)
	e1:SetTarget(s.sumlimit)
	c:RegisterEffect(e1)
end
function s.sumlimit(e,c,sump,sumtype,sumpos,targetp)
	return c:GetAttribute()~=ATTRIBUTE_WATER
end