mojira.dev
MC-99640

Players and mobs don't take vertical knockback when already in the air

The bug

When you hit something, it will fly backwards and jump up into the air slightly. Normally, if you hit it again when it's already been flung into the air, it gains more backward and upward velocity. In the current version, the second hit will only cause horizontal velocity, and hit the ground at the same time as if it didn't get hit.

The bug doesn't happen every time, so don't close this after testing it once without it happening. I'm not sure exactly what causes it to work or not, but everyone I've talked to has had it happen to them. It seems like it happens more often with players than mobs.

How to reproduce

Video demonstrating the issue: https://youtu.be/TRe-OVh04yg

Linked issues

Comments 17

Can confirm for 1.11

Is this still an issue in the most recent versions (currently that is 1.12.2, or the latest 1.13 development snapshot 18w07c) of Minecraft?

Uriel Salischiker

Is this still a issue in the latest version of the game(currently 1.13.1)?

If so, please add it to the affected versions, thanks!

7 more comments

Can confirm in 1.17.1.

Can confirm in 1.19.

Can confirm in 1.19.2.

Works as intended, this is how it's currently designed for the current combat system. This is going to be intentionally changed in the Combat Tests, as an intended change to the system, not a bug fix. This means this is not a bug.

This was an intentional change in 15w49a, knockback dealt against entities that are already airborne are not supposed to have their y-axis altered.

Qwuiblington

(Unassigned)

Confirmed

Platform

Low

Combat

Minecraft 1.9, Minecraft 1.9.1 Pre-Release 1, Minecraft 1.9.1 Pre-Release 2, Minecraft 1.9.1 Pre-Release 3, Minecraft 1.11, ..., 1.17, 1.17.1 Pre-release 1, 1.17.1, 1.19.2, 1.20.1

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