Stepping

Stepping is a mechanic that assists the player in walking up obstacles of low height without jumping.

The player's maximum step height is 0.6b, meaning they can step up blocks like carpets, slabs, and even beds.

While simple in concept, the implementation of this mechanic is quite messy and introduces a wide range of collision-related mechanics (or even glitches), which can be abused in the context of parkour.

Prior to 1.8, the player couldn't step onto some blocks which had a ceiling above.

In 1.8.1, grinding was made possible by fixing [bug]