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Data Values are digits assigned to every object in Minecraft.

File:DataValues.png

Alpha picture reference

[Temporary link to Alpha picture reference, internal file was deleted. (UPDATED)]

Blocks

These can also be called "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.

dec hex Block type
0 00 Air
1 01 Stone
2 02 Grass
3 03 Dirt
4 04 Cobblestone
5 05 Wood
6 06 Sapling D
7 07 Bedrock (Adminium)
8 08 Water D
9 09 Stationary water D
10 0A Lava D
11 0B Stationary lava D
12 0C Sand
13 0D Gravel
14 0E Gold ore
15 0F Iron ore
16 10 Coal ore
17 11 Log
18 12 Leaves
19 13 Sponge
20 14 Glass
21 15 Red Cloth
22 16 Orange Cloth
23 17 Yellow Cloth
24 18 Lime Cloth
25 19 Green Cloth
26 1A Aqua green Cloth
27 1B Cyan Cloth
28 1C Blue Cloth
29 1D Purple Cloth
30 1E Indigo Cloth
31 1F Violet Cloth
dec hex Block type
32 20 Magenta Cloth
33 21 Pink Cloth
34 22 Black Cloth
35 23 Gray Cloth / White Cloth
36 24 White Cloth
37 25 Yellow flower
38 26 Red rose
39 28 Brown Mushroom
40 27 Red Mushroom
41 29 Gold Block
42 2A Iron Block
43 2B Double Step
44 2C Step
45 2D Brick
46 2E TNT
47 2F Bookcase
48 30 Mossy Cobblestone
49 31 Obsidian
50 32 Torch D
51 33 Fire
52 34 Mob Spawner
53 35 Wooden Stairs D
54 36 Chest
55 37 Redstone Wire D
56 38 Diamond Ore
57 39 Diamond Block
58 3A Workbench
59 3B Crops D
60 3C Soil D
61 3D Furnace
62 3E Burning Furnace
63 3F Sign Post D
dec hex Block type
64 40 Wooden Door D
65 41 Ladder D
66 42 Minecart Tracks D
67 43 Cobblestone Stairs D
68 44 Wall Sign D
69 45 Lever D
70 46 Stone Pressure Plate D
71 47 Iron Door D
72 48 Wooden Pressure Plate D
73 49 Redstone Ore
74 4A Glowing Redstone Ore
75 4B Redstone torch ("off" state) D
76 4C Redstone torch ("on" state) D
77 4D Stone Button D
78 4E Snow
79 4F Ice
80 50 Snow Block
81 51 Cactus
82 52 Clay
83 53 Reed
84 54 Jukebox
85 55 Fence

Items

Items are prefixed by hex 0x01 instead of 0x00 in the save file.

dec hex Item
256 00 Iron Spade
257 01 Iron Pickaxe
258 02 Iron Axe
259 03 Flint and Steel
260 04 Apple
261 05 Bow
262 06 Arrow
263 07 Coal
264 08 Diamond
265 09 Iron Ingot
266 0A Gold Ingot
267 0B Iron Sword
268 0C Wooden Sword
269 0D Wooden Spade
270 0E Wooden Pickaxe
271 0F Wooden Axe
272 10 Stone Sword
273 11 Stone Spade
274 12 Stone Pickaxe
275 13 Stone Axe
276 14 Diamond Sword
277 15 Diamond Spade
278 16 Diamond Pickaxe
279 17 Diamond Axe
280 18 Stick
281 19 Bowl
282 1A Mushroom Soup
283 1B Gold Sword
284 1C Gold Spade
285 1D Gold Pickaxe
286 1E Gold Axe
287 1F String
dec hex Item
288 20 Feather
289 21 Gunpowder
290 22 Wooden Hoe
291 23 Stone Hoe
292 24 Iron Hoe
293 25 Diamond Hoe
294 26 Gold Hoe
295 27 Seeds
296 28 Wheat
297 29 Bread
298 2A Leather Helmet
299 2B Leather Chestplate
300 2C Leather Pants
301 2D Leather Boots
302 2E Chainmail Helmet
303 2F Chainmail Chestplate
304 30 Chainmail Pants
305 31 Chainmail Boots
306 32 Iron Helmet
307 33 Iron Chestplate
308 34 Iron Pants
309 35 Iron Boots
310 36 Diamond Helmet
311 37 Diamond Chestplate
312 38 Diamond Pants
313 39 Diamond Boots
314 3A Gold Helmet
315 3B Gold Chestplate
316 3C Gold Pants
317 3D Gold Boots
318 3E Flint
319 3F Pork
dec hex Item
320 40 Grilled Pork
321 41 Paintings
322 42 Golden apple
323 43 Sign
324 44 Wooden door
325 45 Bucket
326 46 Water bucket
327 47 Lava bucket
328 48 Mine cart
329 49 Saddle
330 4A Iron door
331 4B Redstone
332 4C Snowball
333 4D Boat
334 4E Leather
335 4F Milk Bucket
336 50 Clay Brick
337 51 Clay Balls
338 52 Reed
339 53 Paper
340 54 Book
341 55 Slime Ball
342 56 Storage Minecart
343 57 Powered Minecart
344 58 Egg
2256 8D0 Gold Record
2257 8D1 Green Record

Inventory Slot Number

File:Items slot number.JPG

Data

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

Block dec hex Use
Saplings 0-15 0-F Age
Water and Lava 0-15 0-F Fluid level
Soil 0-8 0-8 Wetness
Crops 0-7 0-7 Crop size
Torches and Redstone Torches 0-5 0-5 Torch orientation
Redstone 0-15 0-F Current strength
Minecart Tracks 0-9 0-9 Rail slope and orientation
Stairs 0-3 0-3 Stair orientation
Levers 6-14 6-E Lever orientation and thrown state
Doors 0-15 0-F Hinge corner position and swing state
Buttons 0-15 0-F Button orientation
Sign Posts 0-15 0-F Sign orientation
Wall Signs 2-5 2-5 Sign orientation


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.

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 (not pictured).

File:Crops.png

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.
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