The online world is full of content restrictions and blockades. It might not always seem like that, but look around. More and more restrictions on your movement are coming into force.
If the A* calculation for a shortcut (in Step 3) finds it's now impassable, or if its actual detailed cost is significantly different (e.g., 20%) from the pre-calculated shortcut value:
。关于这个话题，Line官方版本下载提供了深入分析
confused about which one to choose.，这一点在91视频中也有详细论述
The city of Anvil, rendered in The Elder Scrolls III: Morrowind.