[MC-23] Falling out of the world while chunks are loading Created: 24/Oct/12  Updated: 07/Sep/15  Resolved: 29/Oct/12

Status: Resolved
Project: Minecraft: Java Edition
Component/s: None
Affects Version/s: Minecraft 1.4.1
Fix Version/s: Minecraft 1.4.3

Type: Bug
Reporter: TheLocehiliosan Assignee: [Mojang] Jeb (Jens Bergensten)
Resolution: Fixed Votes: 0
Labels: connect, server, suffocate

Issue Links:
Duplicate
is duplicated by MC-15018 Falling before spawning, you look lik... Resolved
is duplicated by MC-1164 Fall into void when coming out of the... Resolved
is duplicated by MC-216 Falling out of the world Closed
is duplicated by MC-346 Respawning and falling through the wo... Closed
is duplicated by MC-1321 Dying after teleport to coordinates Closed
Relates
relates to MC-11365 Player is able to move even before th... Resolved
Confirmation Status: Unconfirmed

 Description   

When connecting to a (vanilla) server using a mobile network (4G/LTE) with spotty reception, the player begins to fall. When the world around loads, the player is stuck in blocks and begins to suffocate. I've experienced this several times, and when it's happened, I've been able to verify my Y coordinates with F3. I suffocate 5 blocks lower than the ground. Each time has been in the Nether (not sure if that matters).

For contrast, in 1.3.2, when the connection was slow/unreliable, the player would begin to fall, but when the world loaded they would suddenly teleport to the proper Y coordinate.



 Comments   
Comment by michaeldutton [ 02/Nov/12 ]

i honestly didnt find this as a problem but im glad its fixed

Comment by [Mojang] Jeb (Jens Bergensten) [ 30/Oct/12 ]

Matti: Unfortunately, allowing players to float client-side will trigger the anti-flight hack check. The server isn't aware of the client's chunk-loading state, so we can't consistently know when to allow floating without also making it easier for people to fly-hack.

Comment by Ice Trailer [ 30/Oct/12 ]

I've just experienced that

Comment by Matti Ruohonen [ 30/Oct/12 ]

Can't the client-side physics be disabled completely if the chunk the player is in hasn't been loaded yet? Or does that cause some other problems? I have the impression that the chunks closest to the player are loaded first, so the chunk the player is in should be among the first ones to load. Wouldn't it then make sense to enable the player physics on the client only after he is actually in a loaded world where the interactions mean something (or exist, in contrast to falling through the unloaded world)? Just my useless thoughts though...

Comment by [Mojang] Jeb (Jens Bergensten) [ 29/Oct/12 ]

Fixed by making the client fall slower if the chunk hasn't loaded

Comment by TheLocehiliosan [ 24/Oct/12 ]

Yes, both riding rails, and throwing ender pearls make this problem much more noticeable.

Comment by Joseph Fowler [ 24/Oct/12 ]

This is particularly noticeable when travelling on rails.

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