Java Edition data values

These data values refer to the different types of blocks and items. They are used in many, many places in Minecraft. Block IDs are used to define blocks placed in the world and inventory items (including items in chests and items dropped in the world). Item IDs are only valid for items. Each inventory slot has a unique slot number. In an Alpha world, Block data further defines blocks placed, describing for example the height of water or the direction a torch points.



Block IDs
These values apply to both inventory items and to blocks placed in the world. Bold entries are not available in Alpha and italics entries are not available in Classic. Entries marked with a D require additional data to fully define the block in an Alpha world.

Item IDs
All items have values above 255, making it easy to separate the Block IDs from the Item IDs.

Data
Special data for certain block types. Storage differs according to level format.

Saplings
0x0 is a freshly planted sapling. The data value is incremented at random intervals. When it becomes 15, a new tree is created in its place.

Cactus
0x0 is a freshly planted cactus. The data value is incremented at random intervals. When it becomes 15, a new cactus block is created on top as long as the total height does not exceed 3.

Water and Lava
0x0 is a full block. Water goes up to 0x7, Lava can only go up to 0x3. If bit 0x8 is set, this liquid is "falling" and only spreads downward.

Soil
0x0 is dry land, 0x1-0x8 are increasing levels of wetness. The wetness value depends on how far the block is away from water.

Crops
Crops grow from 0x0 to 0x7 (Pictured below).



Torches and Redstone Torches

 * 0x1: Pointing south
 * 0x2: Pointing north
 * 0x3; Pointing west
 * 0x4: Pointing east
 * 0x5: Standing on the floor

Minecart Tracks

 * 0x0: flat track going north-south
 * 0x1: flat track going east-west


 * 0x2: track ascending to the south
 * 0x3: track ascending to the north
 * 0x4: track ascending to the east
 * 0x5: track ascending to the west

Make a circle from four rails:


 * 0x6: Northeast corner
 * 0x7: Southeast corner
 * 0x8: Southwest corner
 * 0x9: Northwest corner

Ladders

 * 0x2: Attached to the east side of a block
 * 0x3: West side of a block
 * 0x4: North side
 * 0x5: South side

Stairs

 * 0x0: Ascending south
 * 0x1: Ascending north
 * 0x2: Ascending west
 * 0x3: Ascending east

Levers

 * 0x8: If this bit is set, the lever has been thrown and is providing power.

Wall levers:
 * 0x1: Facing south
 * 0x2: Facing north
 * 0x3: Facing west
 * 0x4: Facing east

Ground levers:
 * 0x5: Lever points west when off.
 * 0x6: Lever points south when off. (Note that unlike the other types of switch, this version will not power wires around the block it is sitting on.)

Doors

 * 0x8: If this bit is set, this is the top half of a door.
 * 0x4: If this bit is set, the door has swung counterclockwise around its hinge.

Location of hinge within block:
 * 0x0: Northeast corner
 * 0x1: Southeast corner
 * 0x2: Southwest corner
 * 0x3: Northwest corner

Buttons

 * 0x8 If this bit is set, the button has been pressed. If this bit is set in a saved level, the button will remain pressed for an undefined length of time after the level is loaded.

Button direction:
 * 0x1: Facing south
 * 0x2: Facing north
 * 0x3: Facing west
 * 0x4: Facing east

Sign Posts

 * 0x0: West
 * 0x1: West-Northwest
 * 0x2: Northwest
 * 0x3: North-Northwest
 * 0x4: North
 * 0x5: North-Northeast
 * 0x6: Northeast
 * 0x7: East-Northeast
 * 0x8: East
 * 0x9: East-Southeast
 * 0xA: Southeast
 * 0xB: South-Southeast
 * 0xC: South
 * 0xD: South-Southwest
 * 0xE: Southwest
 * 0xF: West-Southwest

Wall Signs

 * 0x2: Facing east
 * 0x3: Facing west
 * 0x4: Facing north
 * 0x5: Facing south

Pressure Plates

 * 0x1: If this bit is set, the plate is pressed.