sh_tenrys_simple_hud_lowhpwarn

if SERVER then
    --Low HP Warning
    AddCSLuaFile()
    util.AddNetworkString("HPLowSound")
    hook.Add("EntityTakeDamage", "CheckPlayerHealth", function(ent, dmginfo)
        if !dmginfo or !IsValid(ent) or !ent:IsPlayer() then return end

        if (ent:Health()-dmginfo:GetDamage()) <= 9 then
            net.Start("HPLowSound")
            net.Send(ent)
        end
    end)
else
    net.Receive("HPLowSound", function(len)
        if !IsValid(ply) then return end
        timer.Create("HPLowSound_"..ply:EntIndex(), 5, 0, function()
            if !IsValid(ply) or ply:Health() >= 10 then
                timer.Destroy("HPLowSound_"..ply:EntIndex())
                return
            end
            surface.PlaySound("buttons/button17.wav")
        end)
    end)
end