if(game.SinglePlayer()) then
    if(SERVER) then
        util.AddNetworkString("footstep_fix")
        hook.Add("PlayerFootstep","fixclfootstep",function(activator,pos,foot,snd,vol,rep)
            net.Start("footstep_fix")
                net.WriteEntity(activator)
                net.WriteVector(pos)
                net.WriteUInt(foot,1)
                net.WriteString(snd)
                net.WriteFloat(vol)
            net.Broadcast()
        end)
    else
        net.Receive("footstep_fix",function(len)
            hook.Call("PlayerFootstep",GAMEMODE,net.ReadEntity(),net.ReadVector(),net.ReadUInt(1),net.ReadString(),net.ReadFloat())
        end)
    end
end