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@HoldYourWaffle
HoldYourWaffle committed Aug 15, 2022
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# NBT
[![Build Status](https://travis-ci.org/Querz/NBT.svg?branch=master)](https://travis-ci.org/Querz/NBT) [![Coverage Status](https://img.shields.io/coveralls/github/Querz/NBT/master.svg)](https://coveralls.io/github/Querz/NBT?branch=master) [![Release](https://jitpack.io/v/Querz/NBT.svg)](https://jitpack.io/#Querz/NBT)
#### A java implementation of the [NBT protocol](http://minecraft.gamepedia.com/NBT_format) for Minecraft Java Edition.
#### A java implementation of the [NBT protocol](https://minecraft.gamepedia.com/NBT_format) for Minecraft Java Edition.
---
### Specification
According to the [specification](https://minecraft.gamepedia.com/NBT_format), there are currently 13 different types of tags:

| Tag class | Superclass | ID | Payload |
| --------- | ---------- | -- | ----------- |
| [EndTag](src/main/java/net/querz/nbt/EndTag.java) | [Tag](src/main/java/net/querz/nbt/Tag.java) | 0 | None |
| [ByteTag](src/main/java/net/querz/nbt/ByteTag.java) | [NumberTag](src/main/java/net/querz/nbt/NumberTag.java) | 1 | 1 byte / 8 bits, signed |
| [ShortTag](src/main/java/net/querz/nbt/ShortTag.java) | [NumberTag](src/main/java/net/querz/nbt/NumberTag.java) | 2 | 2 bytes / 16 bits, signed, big endian |
| [IntTag](src/main/java/net/querz/nbt/IntTag.java) | [NumberTag](src/main/java/net/querz/nbt/NumberTag.java) | 3 | 4 bytes / 32 bits, signed, big endian |
| [LongTag](src/main/java/net/querz/nbt/LongTag.java) | [NumberTag](src/main/java/net/querz/nbt/NumberTag.java) | 4 | 8 bytes / 64 bits, signed, big endian |
| [FloatTag](src/main/java/net/querz/nbt/FloatTag.java) | [NumberTag](src/main/java/net/querz/nbt/NumberTag.java) | 5 | 4 bytes / 32 bits, signed, big endian, IEEE 754-2008, binary32 |
| [DoubleTag](src/main/java/net/querz/nbt/DoubleTag.java) | [NumberTag](src/main/java/net/querz/nbt/NumberTag.java) | 6 | 8 bytes / 64 bits, signed, big endian, IEEE 754-2008, binary64 |
| [ByteArrayTag](src/main/java/net/querz/nbt/ByteArrayTag.java) | [ArrayTag](src/main/java/net/querz/nbt/ArrayTag.java) | 7 | `IntTag` payload *size*, then *size* `ByteTag` payloads |
| [StringTag](src/main/java/net/querz/nbt/StringTag.java) | [Tag](src/main/java/net/querz/nbt/Tag.java) | 8 | `ShortTag` payload *length*, then a UTF-8 string with size *length* |
| [ListTag](src/main/java/net/querz/nbt/ListTag.java) | [Tag](src/main/java/net/querz/nbt/Tag.java) | 9 | `ByteTag` payload *tagId*, then `IntTag` payload *size*, then *size* tags' payloads, all of type *tagId* |
| [CompoundTag](src/main/java/net/querz/nbt/CompoundTag.java) | [Tag](src/main/java/net/querz/nbt/Tag.java) | 10 | Fully formed tags, followed by an `EndTag` |
| [IntArrayTag](src/main/java/net/querz/nbt/IntArrayTag.java) | [ArrayTag](src/main/java/net/querz/nbt/ArrayTag.java) | 11 | `IntTag` payload *size*, then *size* `IntTag` payloads |
| [LongArrayTag](src/main/java/net/querz/nbt/LongArrayTag.java) | [ArrayTag](src/main/java/net/querz/nbt/ArrayTag.java) | 12 | `IntTag` payload *size*, then *size* `LongTag` payloads |
| [EndTag](src/main/java/net/querz/nbt/tag/EndTag.java) | [Tag](src/main/java/net/querz/nbt/tag/Tag.java) | 0 | None |
| [ByteTag](src/main/java/net/querz/nbt/tag/ByteTag.java) | [NumberTag](src/main/java/net/querz/nbt/tag/NumberTag.java) | 1 | 1 byte / 8 bits, signed |
| [ShortTag](src/main/java/net/querz/nbt/tag/ShortTag.java) | [NumberTag](src/main/java/net/querz/nbt/tag/NumberTag.java) | 2 | 2 bytes / 16 bits, signed, big endian |
| [IntTag](src/main/java/net/querz/nbt/tag/IntTag.java) | [NumberTag](src/main/java/net/querz/nbt/tag/NumberTag.java) | 3 | 4 bytes / 32 bits, signed, big endian |
| [LongTag](src/main/java/net/querz/nbt/tag/LongTag.java) | [NumberTag](src/main/java/net/querz/nbt/tag/NumberTag.java) | 4 | 8 bytes / 64 bits, signed, big endian |
| [FloatTag](src/main/java/net/querz/nbt/tag/FloatTag.java) | [NumberTag](src/main/java/net/querz/nbt/tag/NumberTag.java) | 5 | 4 bytes / 32 bits, signed, big endian, IEEE 754-2008, binary32 |
| [DoubleTag](src/main/java/net/querz/nbt/tag/DoubleTag.java) | [NumberTag](src/main/java/net/querz/nbt/tag/NumberTag.java) | 6 | 8 bytes / 64 bits, signed, big endian, IEEE 754-2008, binary64 |
| [ByteArrayTag](src/main/java/net/querz/nbt/tag/ByteArrayTag.java) | [ArrayTag](src/main/java/net/querz/nbt/tag/ArrayTag.java) | 7 | `IntTag` payload *size*, then *size* `ByteTag` payloads |
| [StringTag](src/main/java/net/querz/nbt/tag/StringTag.java) | [Tag](src/main/java/net/querz/nbt/tag/Tag.java) | 8 | `ShortTag` payload *length*, then a UTF-8 string with size *length* |
| [ListTag](src/main/java/net/querz/nbt/tag/ListTag.java) | [Tag](src/main/java/net/querz/nbt/tag/Tag.java) | 9 | `ByteTag` payload *tagId*, then `IntTag` payload *size*, then *size* tags' payloads, all of type *tagId* |
| [CompoundTag](src/main/java/net/querz/nbt/tag/CompoundTag.java) | [Tag](src/main/java/net/querz/nbt/tag/Tag.java) | 10 | Fully formed tags, followed by an `EndTag` |
| [IntArrayTag](src/main/java/net/querz/nbt/tag/IntArrayTag.java) | [ArrayTag](src/main/java/net/querz/nbt/tag/ArrayTag.java) | 11 | `IntTag` payload *size*, then *size* `IntTag` payloads |
| [LongArrayTag](src/main/java/net/querz/nbt/tag/LongArrayTag.java) | [ArrayTag](src/main/java/net/querz/nbt/tag/ArrayTag.java) | 12 | `IntTag` payload *size*, then *size* `LongTag` payloads |

* The `EndTag` is only used to mark the end of a `CompoundTag` in its serialized state or an empty `ListTag`.

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