[2.0.20] bot turn back is out of sync on remote clients. also not pathing over lakes per FFF 374

[malventano]

There are some scenarios where remote clients think bots change direction at a different time than the server. It appears the remote assumes the bot is going full speed for some time after it turns, but then has to reset the bot location as if it turned back at its out of power speed. Note that for this case, the logi bots have slowly collected at the far end and all of the roboports along the path are filled with bots, so they have no choice but to return to base. They should be able to divert to charge at the upper roboports even though they are full on bot storage. Best example to show is the attached case where bots are turning back on Aquilo:
Video:

Factorio_ Space Age 2.0.20 2024-11-26 11-41-01.mp4

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20241126-114510.png (2 MiB) Viewed 399 times

Also this case appears to show that the 'Smarter Bots' change is not having the desired impact). Here is a zoomed out view of the scenario. The bots should be able to make this trip but get deadlocked at the far end indefinitely.
Scenario:

20241126-115319.png (114.95 KiB) Viewed 399 times

Scenario from FFF 374:

20241126-115236.png (33.85 KiB) Viewed 399 times

[Loewchen]

You are on an outdated version, if you can reproduce this in at least 2.0.21 post a save file please, see 3638.

[malventano]

It may be helpful if the roboports could be set to a maximum in addition to a minimum (similar to requestor chests, etc), as this could be used to prevent the entire base supply of logi bots from collecting at the far end of a delivery location.

20241126-122719.png (100.11 KiB) Viewed 389 times

[malventano]

You are on an outdated version, if you can reproduce this in at least 2.0.21 post a save file please, see 3638.

Display sync issue is fixed in .21 but the pathing issue persists. Want me to submit that as a separate bug or edit this one?
*edit* disregard, it's still there, just wasn't as noticable when I looked. Will set up a good repro scenario and make a save.

*edit again* - it appears if you transition a save from .20 to .21, the bots which have already pathed the old way will remain that way until something prompts a an update. Posting here as an FYI for anyone who might run into this.

@Loewchen please close this as dupe/fixed.

[malventano]

You are on an outdated version, if you can reproduce this in at least 2.0.21 post a save file please, see 3638.

Appears I spoke too soon. Was able to repro on .21 - it just took some time to recur. While the bots will path correctly if they are going somewhere, they will not if they are overflowed due to many bots delivering to the other end of the lake (and all roboports are full). This means this particular bug is unrelated to the others. Screenshot and save attached.

20241203-013740.png (354.72 KiB) Viewed 294 times

[malventano]

Looks like .23 might have fixed the behavior. Will continue to monitor.