GameModeFortress.CraftingTableTool.GetTable C# (CSharp) Method

        public List<Vector3i> GetTable(Vector3i pos)
        {
            List<Vector3i> l = new List<Vector3i>();
            Queue<Vector3i> todo = new Queue<Vector3i>();
            todo.Enqueue(pos);
            for (; ; )
            {
                if (todo.Count == 0 || l.Count >= maxcraftingtablesize)
                {
                    break;
                }
                var p = todo.Dequeue();
                if (l.Contains(p))
                {
                    continue;
                }
                l.Add(p);
                var a = new Vector3i(p.x + 1, p.y, p.z);
                if (d_Map.GetBlock(a.x, a.y, a.z) == (int)TileTypeManicDigger.CraftingTable)
                {
                    todo.Enqueue(a);
                }
                var b = new Vector3i(p.x - 1, p.y, p.z);
                if (d_Map.GetBlock(b.x, b.y, b.z) == (int)TileTypeManicDigger.CraftingTable)
                {
                    todo.Enqueue(b);
                }
                var c = new Vector3i(p.x, p.y + 1, p.z);
                if (d_Map.GetBlock(c.x, c.y, c.z) == (int)TileTypeManicDigger.CraftingTable)
                {
                    todo.Enqueue(c);
                }
                var d = new Vector3i(p.x, p.y - 1, p.z);
                if (d_Map.GetBlock(d.x, d.y, d.z) == (int)TileTypeManicDigger.CraftingTable)
                {
                    todo.Enqueue(d);
                }
            }
            return l;
        }