My iron station is closed with circuit network signal, but another open and passable station with the same name exist in network. But train waiting forever on closed station. Is it bug or feature?
Because I remember, train could find path to station with the same name in equal, but smaller network. If pathfinding limited by network size, then how is it limited?
Train waiting forever on closed station
Train waiting forever on closed station
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Re: Train waiting forever on closed station
Can't see how they are related. There is no parked (forever) trains in my setup, and it obviously was not addressed in 0.13 because i'm playing 0.15.35 nowLoewchen wrote:14748
Re: Train waiting forever on closed station
I have to agree with Rinin, and also because of this statement:Rinin wrote:Can't see how they are related. There is no parked (forever) trains in my setup, and it obviously was not addressed in 0.13 because i'm playing 0.15.35 now
Since it still happens (0.15.35) as OP demonstrated, it's not fixed.Rseding91 wrote:Correction: will be addressed at some point when someone feels like gutting how trains work and re-doing it completely. So, we don't really have an estimate as to when it will happen or if it will happen.HanziQ wrote:This is a known problem and will be addressed in 0.13.
@Rinin: Please provide a save file where that issue can be observed.
Re: Train waiting forever on closed station
I'm not seeing the bug in your screenshots. You've blocked both paths the trains want to take such that there is no path not blocked by a red signal. The 3rd path that may be able to reach another station with the same name has a path cost *wayyyyyy* higher than the one that's a few train lengths in front of it so it's never going to path to it.
I don't consider this a bug.
I don't consider this a bug.
If you want to get ahold of me I'm almost always on Discord.
Re: Train waiting forever on closed station
As I see from your explanation you are right it's not a bug. But I would appreciate some explanation about trains pathfinding algorithm to understand what is bug and what is not in the future.Rseding91 wrote:I'm not seeing the bug in your screenshots. You've blocked both paths the trains want to take such that there is no path not blocked by a red signal. The 3rd path that may be able to reach another station with the same name has a path cost *wayyyyyy* higher than the one that's a few train lengths in front of it so it's never going to path to it.
I don't consider this a bug.
As I understand from my research and your explanation trains are using wave algorithm with metrics, and semaphores only affects this metrics. But could I find any more detailed explanation somewhere? How they are affected, and when this algoritm is recalculated?
Re: Train waiting forever on closed station
You can find the train pathfinding code here: https://gist.github.com/Rseding91/c0d4d ... 3f6c6a8fe6
That should answer all your questions if you understand it
That should answer all your questions if you understand it
I'm an admin over at https://wiki.factorio.com. Feel free to contact me if there's anything wrong (or right) with it.
Re: Train waiting forever on closed station
Thanks alot.Bilka wrote:You can find the train pathfinding code here: https://gist.github.com/Rseding91/c0d4d ... 3f6c6a8fe6
That should answer all your questions if you understand it
Re: Train waiting forever on closed station
All this "magic numbers" in algorithm seems well balanced, but it makes me think about this suggestion anyway, to control at least one of them.