I used this
PHP Code:
Vector entityOrigin ( edict_t *pEntity )
{
static float *fOrigin;
fOrigin = pEntity->GetIServerEntity()->GetNetworkable()->GetPVSInfo()->m_vCenter;
return Vector(fOrigin[0],fOrigin[1],fOrigin[2]);
}
assuming that you're in a network game (since it reads it's networkable object)