Weeping Vines

Weeping vines are plant blocks found in the Nether.

Natural generation
Weeping vines generate naturally on huge crimson fungi in the crimson forest biome.

Huge fungi grown by bone meal on a crimson fungi will also have weeping vines growing on it.

Growth
Each game tick, weeping vines have a chance of growing one block downwards. Weeping vines will stop growing once they hit the ground or when the block reaches an block state of 25, whichever is first.

Obtaining
Weeping vines can be mined with any tool, dropping itself.

Usage
Weeping vines can be placed on the bottom of a block and will then grow. The bottom-most vine block will always have a block ID of and have an  block state with a starting value of  which increments every time the block grows. All blocks above the bottom-most vine have a block ID of and do not have an  block state. If the bottom-most vine block has an age below 25, it will continue to grow given that there is free space below the vine. When the vine does grow, the bottom-most vine block, which has a block ID of and an  block state, turns into a  (with no block state) while a new  block with an incremented  is placed beneath it.

Block states
can have the following block state: