[MC-204423] Items are glitching through blocks if they are pushed by are piston while they are in the water.

Hi here now in english:

If you throw an item between two water currents and then push it with a piston (you have to spam the piston) it will glitch out.

Like on the screenshots then spam the piston and the item will glitch out.

Attachments

2021-07-22 12-40-27.mp4

Comments

migrated 2020-11-06T18:37:14Z

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ampolive 2021-07-22T15:42:04Z

Can confirm in 1.17.1.

migrated 2024-11-10T16:44:06Z

This is not a bug.
It is the consequence of pushing item entities into a wall/floor. When the piston attempts to move any entities (through `pushEntities` method) it will use `move()` method from `Entity.class()`. Because the entity will collide against the block on the bottom, it will fail to be pushed by the piston, glitching inside it's head.
The expected behavior is the behavior that is being reported as a bug:

Entity attempting to escape by using `pushOutOfBlocks()` method.

migrated 2024-11-10T16:47:20Z

Additionally, it is not related to MC-278182 . One is a consequence of 2 intentional features:

Block collision when entity is moved and entity is not in `noClip`
Item entities attempting to escape when their hitbox interescts with a block with collision, through `pushOutOfBlocks()` method

The other (MC-278182 ) is a mistake from mojang developers