Birch Trapdoor

Data values

Read from reports/blocks.json of Minecraft 26.3.

5 properties combine into 64 distinct states.

Property	Default	Allowed values	Meaning
`facing`	`north`	`north` `south` `west` `east`	Which way the block faces.
`half`	`bottom`	`top` `bottom`	Whether this is the top or bottom half.
`open`	`false`	`true` `false`	Whether the block is open.
`powered`	`false`	`true` `false`	Whether the block is receiving redstone power.
`waterlogged`	`false`	`true` `false`	Whether the block is filled with water.

Worked out by reading the registry of every Minecraft build Mojang has published, in release order.

Version	Date	What the files show
before 18w01a	—	Already in the game when Mojang’s data generator first shipped, in 18w01a (3 January 2018). The files do not say which earlier version added it.