Phaser

When in dev mode, hold V to ignore build space collision.
You can change it in Minecraft controls.

You don't actually move, so you cant interact with blocks far away from you.
This is intended to get you into places, not be enabled all the time.

Avoid moving too fast or spamming the button, it may break the phaser.
It does not work in the dev space, use NoClip for that.

Internal

This works by simulating spectator mode and not sending your movement.
To move you, it uses a location item, crouch punching with it to teleport.
CodeClient needs to know the plot origin to get the location, which it does in dev mode.