Subset of Block4Block v.1.8 containing only the anti freecam interactions system.
You can try the full Block4Block plugin in Minecraft on b4block.org

A powerful and lightweight solution to prevent players from doing interactions through walls.
The player character will need unobstructed access to what they try to interact with.
Prevents custom client features such as freecam from making interactions, such as opening chests throughs walls.

This contains:
- Cancels PlayerInteractEvent when attempted through other blocks.
- Cancels BlockBreakEvent when attempted through other blocks.