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[1.7.10]Set NBT Tag for blocks


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A block in the world doesn't store any information beyond 4 bits of metadata unless it has a


. What are you trying to achieve?

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

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It's pretty complicated... I made a block that opens a gui. You can click "host game" there.. and now I want to save the name of the player to the block.. and if a player with the same name clicks that blocks, another type of gui opens... I want it cuz I want to reset the host player name after the block breaks(of course when you place a new one, it will reset the value...)


And I don't have any TileEntity... I don't even know how to make one....

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This definitely sounds like a use case for a


. You should look for tutorials or look at examples in vanilla code.


Players can change their name now, so you should store their


instead (


). You can use


to get the last known username of a player's


for display purposes.

Please don't PM me to ask for help. Asking your question in a public thread preserves it for people who are having the same problem in the future.

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Block, alike Items are singularities that only define with what you are dealing with.


Things that actually store data are:

* ItemStack for Items (in their NBT)

* 4bits for Blocks. (4bits are called meta in 1.7.10)


If you need more data - you use TileEntity. TileEntity is thing placed "on top" of block position in world (coordincates).

TileEntity can store data (to HDD) alike ItemStack - in NBT, with one difference - it can also have its own fields in its object (ItemStack has only NBT field).


To make TileEntity: (example):



For other examples I STRONGLY suggest reading vanilla code - easiest one is Furnace.

1.7.10 is no longer supported by forge, you are on your own.

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