Signature
stock fm_set_entity_visibility(index, visible = 1) { set_pev(index, pev_effects, visible == 1 ? pev(index, pev_effects) & ~EF_NODRAW : pev(index, pev_effects) | EF_NODRAW); return 1;}
stock fm_set_entity_visibility(index, visible = 1) { set_pev(index, pev_effects, visible == 1 ? pev(index, pev_effects) & ~EF_NODRAW : pev(index, pev_effects) | EF_NODRAW); return 1;}