remove fm_set_entity_visibility you are not using fakemeta
and i think that you have to use for invis glow:
PHP Code:
fm_set_rendering(player, kRenderFxGlowShell, 0, 0, 0, kRenderTransAlpha, 0)
and for disable:
PHP Code:
fm_set_rendering(player, kRenderFxNone, 0, 0, 0, kRenderNormal, 0)