[RUST] Custom IsVisible check with an option to include certain objects

private static class Constants
{
        public static readonly string[] TopTierEntities =
    {
        "assets/prefabs/building/door.hinged/door.hinged.toptier.prefab",
        "assets/prefabs/building/door.double.hinged/door.double.hinged.toptier.prefab",
        "assets/prefabs/building/wall.window.bars/wall.window.bars.toptier.prefab",
        //"assets/prefabs/building/wall.window.reinforcedglass/wall.window.glass.reinforced.prefab"
    };
}

public static bool IsVisible(BasePlayer player, Vector3 position, bool onlyTopTier = false)
{
    Vector3 a = player.eyes.position - position;
    float magnitude = a.magnitude;
    if (magnitude < Mathf.Epsilon)
        return true;

    Vector3 vector = a / magnitude;
    Vector3 b = vector * Mathf.Min(magnitude, 0.01f);
    var ray = new Ray(position + b, vector);

    RaycastHit playerToPos;
    if (ray.origin.IsNaNOrInfinity() || ray.direction.IsNaNOrInfinity() || ray.direction == Vector3.zero ||
        !player.WorldSpaceBounds().Trace(ray, out playerToPos))
        return false;

    RaycastHit hit;
    if (!GamePhysics.Trace(ray, 0f, out hit, float.PositiveInfinity, onlyTopTier ? 2097152 : 1218519041))
        return true;

    if (hit.distance > playerToPos.distance)
        return true;

    if (!onlyTopTier)
        return false;

    var ent = hit.GetEntity();
    if (Array.Exists(Constants.TopTierEntities, x => x == ent.PrefabName))
        return false;

    var buildingBlock = ent as BuildingBlock;
    return buildingBlock == null || buildingBlock.grade != BuildingGrade.Enum.TopTier;
}