Opacity/Placement

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Many transparent blocks exhibit unique behavior when it comes to being placed or being placed on. This page covers only those blocks that exhibit unique behavior. For example, glass is not covered as everything can be placed on it. In addition, only blocks that need some sort of support are covered in the columns.

Placement on top of blocks[edit]

Place
On
Banner Bell Button Cake Comparator Doors Lantern Lever Pressure Plate Rails Redstone Repeater Scaffolding Sea Pickle Sign Snow Torch
Anvil Yes No No Yes No No Yes No Yes No No No No Yes Yes No Yes
Bamboo Yes No No Yes No No No No No No No No No Yes Yes No No
Barrier Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes
Bell Yes No[1] No Yes No No Yes No Yes No No No No Yes Yes No Yes
Brewing Stand Yes No No Yes No No No No No No No No No No Yes No No
Cactus Yes No No Yes No No No No No No No No No No Yes No No
Cauldron Yes No[1] No Yes Yes No No No Yes Yes No Yes No[2] Yes Yes No No
Chorus Flower No Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes
Cobweb Yes No No Yes No No No No No No No No No No Yes No No
Composter Yes No[1] No Yes Yes No No No Yes Yes No Yes No[2] Yes Yes No No
Doors Yes No No Yes No No No No No No No No No Yes Yes No No
Dragon Egg Yes No No Yes No No Yes No Yes No No No No Yes Yes No Yes
End Rod No No No No No No Yes No Yes No No No No Yes No No Yes
Farmland Yes[n 1] No No Yes[n 1] No No No No No No No No No No Yes[n 1] No No
Fences Yes No No Yes No No Yes No Yes No No No No Yes Yes No Yes
Fence Gates Yes No No Yes No No Yes[3] No Yes[3] No No No No Yes[3] Yes No Yes[3]
Glass Panes Yes No No Yes No No Yes No Yes No No No No Yes Yes No Yes
Grass Path Yes[n 1] No No Yes[n 1] No No No No No No No No No No Yes[n 1] No No
Grindstone Yes No No[4] Yes No No Yes No[4] Yes No No No No Yes Yes No Yes
Honey Block Yes No No Yes No No No No No No No No No No Yes Yes No
Hopper Yes No[1] No Yes Yes No No No Yes Yes Yes Yes No[2] Yes Yes No No
Ice Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes
Iron Bars Yes No No Yes No No Yes No Yes No No No No Yes Yes No Yes
Ladder No No No No No No No No No No No No No Yes No No No
Leaves Yes No No Yes No No No No No No No No No Yes Yes Yes No
Lectern Yes No No Yes No No No No No No No No No No Yes No No
Portal Frame (eye) Yes No No[5] Yes No No Yes No[5] Yes No No No No Yes Yes No Yes
Portal Frame (no eye) Yes No No Yes No No No No No No No No No No Yes No No
Scaffolding No Yes Yes No Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No Yes Yes
Snow Layer (2–8) No No No No No No No No No No No No No No No Yes No
Soul Sand Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
Walls Yes No No[6] Yes No No Yes No[6] Yes No No No No Yes Yes No Yes

Everything can be placed on:

  1. a b c d e f Block is converted to dirt

Placement on the side of blocks[edit]

Place
On
Banners Bell Buttons Ladder Lever Signs Torch Tripwire Hook Vines
Anvil Yes No No No No Yes No No No
Bamboo Yes No No No No Yes No No No
Bell Yes No No No No Yes No No No
Brewing Stand Yes No No No No Yes No No No
Cactus Yes[n 1] No No No No Yes[n 1] No No No
Cauldron Yes No No No No Yes No No No
Chorus Flower No Yes[n 2] Yes[n 2] Yes[n 2] Yes[n 2] No Yes[n 2] Yes[n 2] Yes[n 2]
Cobweb Yes No No No No Yes No No No
Dragon Egg Yes No No No No Yes No No No
End Portal Frame Yes No No No No Yes No No No
Farmland Yes No No No No Yes No No No
Fences Yes No No No No Yes No No No
Fence Gates Yes No No No No Yes No No No
Glass Panes Yes No No No No Yes No No No
Grindstone Yes No No No No Yes No No No
Grass Path Yes No No No No Yes No No No
Honey Block Yes No No No No Yes No No No
Hopper Yes No No No No Yes No No No
Iron Bars Yes No No No No Yes No No No
Leaves Yes No No No No Yes No No Yes
Lectern Yes No No No No Yes No No No
Observer Yes Yes Yes Yes Yes Yes Yes Yes Yes
Soul Sand Yes Yes Yes Yes Yes Yes Yes Yes No
Walls Yes No No No No Yes No No No

Everything can be placed on the side of:

Everything cannot be placed on the side of:

  1. a b The Block Being Placed on is destroyed
  2. a b c d e f g The chorus flower may break, depending on its placement.

Placement on bottom of blocks[edit]

Place
On
Bell Buttons Lantern Lever Vines
Brewing Stand Yes No Yes No No
Composter Yes Yes Yes Yes No
End Portal Frame Yes Yes Yes Yes No
End Rod Yes No Yes No No
Farmland Yes Yes Yes Yes No
Fences Yes No Yes No No
Fence Gates No No Yes[3] No No
Glass Panes Yes No Yes No No
Grass Path Yes Yes Yes Yes No
Honey Block No No Yes No No
Hopper Yes No Yes No No
Iron Bars Yes No Yes No No
Leaves No No No No Yes
Lectern Yes Yes Yes Yes No
Soul Sand Yes Yes Yes Yes No
Walls Yes No[6] Yes No[6] No

Everything can be placed under:

Everything cannot be placed under:

Doors and trapdoors[edit]

Doors and trapdoors behave in unique ways. The flat side of each block acts as an opaque surface, allowing anything to be placed on it. However, all other sides act as transparent blocks. Because of this, many blocks that can be placed on doors and trapdoors do not stay in place if the door or trapdoor is opened or closed.

Signs and banners can be placed anywhere on a door or a trapdoor and cannot be destroyed unless the door or trapdoor itself is destroyed. Cakes and sea pickles can be placed on the tops of doors and trapdoors and are not destroyed when the door or trapdoor opens and closes. Rails, redstone dust, redstone repeaters, and redstone comparators can be placed only on a closed trapdoor in the top half of a block, but are not destroyed if the trapdoor is opened until the block is updated. All other blocks are destroyed when the door or trapdoor changes states.

Shulker boxes[edit]

Shulker boxes typically act as a solid block in that they allow everything to be placed on them. However, many of these blocks are destroyed when the shulker box is opened. This behavior is also dependent on the rotation of the shulker box.

Upward-facing shulker boxes[edit]

Upward-facing shulker boxes do not destroy most transparent blocks placed on their tops or bottoms when opened. However, some blocks stop the opening of the box.

While most blocks placed on top of upward-facing shulker boxes, the same is not true for blocks placed on the sides. Signs are not destroyed, but the following blocks are.

Sideways-facing shulker boxes[edit]

The following blocks stop a sideways shulker box from opening when placed on their front

Sideways facing shulker boxes destroy the following blocks when opened.

Downward-facing shulker boxes[edit]

The following blocks stop downward-facing shulker boxes from opening.

Downward-facing shulker boxes do not destroy any blocks placed on their tops or bottoms when opened. However, they do destroy some when placed on the sides.

Pistons[edit]

All transparent blocks can be placed on unextended pistons. However, on Java, many blocks cannot be placed on extended pistons and/or are destroyed when pistons extend or retract.

Upward-facing pistons[edit]

All blocks (except for vines) can be placed on the top or bottom of an extended upward-facing pistons. Only signs and banners can be placed on the sides of extended upward-facing pistons. However, they destroy most blocks when extending or retracting.

Blocks destroyed on extention[n 1] Blocks destroyed on retraction Blocks that stop extention[n 2] Blocks not destroyed

Sideways-facing pistons[edit]

The following blocks can be placed on extended sideways pistons.

Blocks destroyed on extention[n 1] Blocks destroyed on retraction Blocks that stop extention[n 2] Blocks not destroyed

Downward-facing pistons[edit]

All blocks (except vines) can be placed on the top and bottom of extended downward facing pistons. The only blocks that can be placed on the sides of extended downward facing pistons are signs.

Blocks destroyed on extention[n 1] Blocks destroyed on retraction Blocks not destroyed
  1. a b c If the block can be placed on an extended piston, it breaks upon retraction.
  2. a b If the block is placed on the extended piston, it is destroyed on retraction.

References[edit]

  1. a b c d MC-147252
  2. a b c MC-151620
  3. a b c d e MC-148901
  4. a b MC-147531
  5. a b MC-147253
  6. a b c d MC-146564