[MC-1669] Possible to walk through two perpendicular anvils at the corner where they meet.

Only tested in SMP.

What I expected to happen was...:
Running against an anvil (actually to jump on it 😃)

What actually happened was...:
I was pushed back and forward while running forward.

Steps to Reproduce:
1. Place an anvil (in front of a wall)
2. run against it.
3. Be pushed back. (Looks laggy and a bit like suffocating in the anvil).

Explanation of the bug in this video: http://www.youtube.com/watch?v=y1kon5Wax8I&feature=youtu.be

Linked issues

duplicates 1

MC-1635 Hitboxes for some blocks are broken Resolved

is duplicated by 25

MC-1888 When walking into a anvil character or screen spazing out Resolved

MC-2263 Anvil: Cannot strafe along the front or run diagonally against Resolved

MC-2560 Walking though anvils Resolved

MC-2890 Walking into anvil Resolved

MC-3978 Anvil - hitbox/collision problem Resolved

20 more links

Attachments

Comments 24

Cedric 2012-11-03T21:23:40Z

Tested in Multiplayer there (1.4.3 pre-release)

Bug comfirmed : collision bug when running into the anvil (little knockback)
collision bug when : force walking into the anvil, then moving left or right -> being stuck with a spazzing knock back until we stop moving in that direction

Solo mode : seems to have no bug with collision.

Sebastien BLANC 2012-11-04T11:56:49Z

Same thing happens for me on my Linux server with an OSX and Windows client. (1.4.3 Pre-release)

Peter Dorsaneo 2012-11-10T05:02:38Z

This will also happen in 1.4.4 pre-release.
Comfirmed.

kumasasa 2012-11-20T06:57:54Z

Confirmed in Multiplayer, not happening in Singleplayer

Anon Ymus 2012-11-25T14:41:42Z

I have seen this bug when walking into any non-solid block. Fences and doors can do the same thing.

14 more comments

Adam Forsell 2012-11-29T22:09:52Z

I also have this problem, you'll start vibrate when walking into the long sides of them. So you can't pass by it walking against the long sides of them.

Peter Dorsaneo 2013-02-19T02:43:53Z

Confirmed in snapshot: 13w07a Multi-player.

shufboyardee 2013-03-07T16:28:42Z

1.5 as well.

asdf 2013-03-14T22:11:46Z

I believe I have found a serious issue related to this bug. A quick search through the issue tracker revealed my worst fears: Anvils can be decorporealized at will. I have uploaded a series of four images describing the process.

Peter Dorsaneo 2013-03-14T23:03:45Z

Confirmed in 1.5 release and snapshot 13w11a.

ben dem 2013-03-22T16:27:01Z

Confirmed in 1.5.1 tough

Andro 2013-03-22T16:38:15Z

Confirmed in 1.5.1, just tried it out on my flat world.

Domantas 2013-06-30T14:16:30Z

I think this is caused by unsynced width of anvil block in singleplayer and server files. Thus, playing in SP is ok, but server thinks that anvil is wider than client knows, pushing player back when updating his position. So the fix would probably be changing anvil's hitbox in server files.

Fossil 2013-08-13T17:29:26Z

This needs to be updated for 1.6.2 as it is still an issue.

crazyman 2013-08-14T12:37:38Z

Anvil and chest have exactly same hitbox bug.
Confirmed in 1.6.2 both with anvil and a chest.

Branko 2013-10-26T17:43:40Z

Still happens in 1.7.2. Just make a simple cube hitbox like the old fence had.

Anthony Martin 2014-01-08T07:35:13Z

Verified still happens on 1.7.4.

shufboyardee 2014-03-08T00:19:46Z

does this still happen in SMP in the 1.8 snapshots?

kumasasa 2014-03-08T07:54:34Z

in 14w08a the push back effect is gone, but can still walk through anvils as shown in the screenshots, but that's maybe another issue.

asdf 2014-03-09T02:47:25Z

The four screenshots I originally posted are invalid. The real cause is looking at an anvil facing the other direction, not turning. The hitboxes of all anvils is set to the last one you looked at. The same thing happens with double chests, but the difference isn't big enough to let you pass through completely, which if I'm not mistaken, makes this issue a duplicate.

Sonicwave 2014-10-23T01:43:14Z

Still an issue in 1.8.1-pre2.

Joel Puig Rubio 2014-12-28T21:34:45Z

Still happening in 1.8.2-pre1

KingSupernova 2015-02-02T14:29:12Z

Why is this not a duplicate of MC-1635?

KingSupernova 2015-02-12T04:26:30Z

I believe this is a duplicate of MC-1635.