Bedrock Edition level format - Revision history

imported>LPT4: /* Key derivation */ imgur example was in big endian

2024-02-03T13:03:26Z

Key derivation: imgur example was in big endian

← Older revision		Revision as of 13:03, 3 February 2024
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	* Write a 8-bit integer (Key Type) specifying the type of data being stored (see below)		* Write a 8-bit integer (Key Type) specifying the type of data being stored (see below)
	* If writing data at a specific SubChunk, write the subchunk index as in i8 else continue		* If writing data at a specific SubChunk, write the subchunk index as in i8 else continue

	~~[https://i.imgur.com/5ljYxry.png Example]~~


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	<span id="key-type"></span>		<span id="key-type"></span>

	=== Key Type ===		=== Key Type ===

imported>Extremeheat: fix typo

2022-10-03T06:22:23Z

fix typo

← Older revision	Revision as of 06:22, 3 October 2022
(No difference)

imported>Extremeheat: fix typo

2022-10-03T06:22:23Z

fix typo

← Older revision		Revision as of 06:22, 3 October 2022
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	=== Scenario 3 (1.18 format+) ===		=== Scenario 3 (1.18 format+) ===

	If '''LevelChunk''' packet sent by server ~~contains~~ full chunk data (SubChunkCount == -1)…		If '''LevelChunk''' packet sent by server doesn't contain full chunk data (SubChunkCount == -1)…

	The '''Payload''' section contains the following concatenated data:		The '''Payload''' section contains the following concatenated data:

imported>SamuelLipoff: /* SubChunk serialization */ spelling correction

2022-04-23T00:52:39Z

SubChunk serialization: spelling correction

← Older revision	Revision as of 00:52, 23 April 2022
(No difference)

imported>SamuelLipoff: /* SubChunk serialization */ spelling correction

2022-04-23T00:52:39Z

SubChunk serialization: spelling correction

← Older revision		Revision as of 00:52, 23 April 2022
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	== SubChunk serialization ==		== SubChunk serialization ==

	A SubChunk is a 16x16x16 subsection of a chunk column. Block and biome data is stored by SubChunks. As of 1.18, SubChunks range from Y=-4 to Y=20. A SubChunk’s payload is encoded as follows:		A SubChunk is a 16x16x16 subsection of a chunk column. Block and biome data is stored by SubChunks. As of 1.18, SubChunks range from Y=-64 to Y=320. A SubChunk’s payload is encoded as follows:

	[https://user-images.githubusercontent.com/13713600/148380033-6223ac76-54b7-472c-a355-5923b87cb7c5.png Infographic]		[https://user-images.githubusercontent.com/13713600/148380033-6223ac76-54b7-472c-a355-5923b87cb7c5.png Infographic]
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	<span id="network"></span>		<span id="network"></span>

	== Network serialization ==		== Network serialization ==

imported>Extremeheat at 13:55, 6 January 2022

2022-01-06T13:55:08Z

← Older revision	Revision as of 13:55, 6 January 2022
(No difference)

imported>Extremeheat at 13:55, 6 January 2022

2022-01-06T13:55:08Z

← Older revision		Revision as of 13:55, 6 January 2022
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	* If writing data at a specific SubChunk, write the subchunk index as in i8 else continue		* If writing data at a specific SubChunk, write the subchunk index as in i8 else continue

	[https://i.imgur.com/5ljYxry.png]		[https://i.imgur.com/5ljYxry.png Example]


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	A SubChunk is a 16x16x16 subsection of a chunk column. Block and biome data is stored by SubChunks. As of 1.18, SubChunks range from Y=-4 to Y=20. A SubChunk’s payload is encoded as follows:		A SubChunk is a 16x16x16 subsection of a chunk column. Block and biome data is stored by SubChunks. As of 1.18, SubChunks range from Y=-4 to Y=20. A SubChunk’s payload is encoded as follows:

	[https://user-images.githubusercontent.com/13713600/148380033-6223ac76-54b7-472c-a355-5923b87cb7c5.png]		[https://user-images.githubusercontent.com/13713600/148380033-6223ac76-54b7-472c-a355-5923b87cb7c5.png Infographic]

	<span id="palette"></span>		<span id="palette"></span>
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	If '''LevelChunk''' packet sent by server contains full chunk data ('''SubChunkCount''' != -1)…		If '''LevelChunk''' packet sent by server contains full chunk data ('''SubChunkCount''' != -1)…

	The '''Payload''' section contains the following concatenated data: * '''Border blocks''', Varint of length + that many sequential Border Blocks. Only used on Education Edition, length of 0 written otherwise. * '''Block entities''', written as a sequential set of NBT tags, read until EOF		The '''Payload''' section contains the following concatenated data:

			* '''Border blocks''', Varint of length + that many sequential Border Blocks. Only used on Education Edition, length of 0 written otherwise.
			* '''Block entities''', written as a sequential set of NBT tags, read until EOF

	<span id="scenario-3-1.18"></span>		<span id="scenario-3-1.18"></span>

imported>Extremeheat: /* Network serialization */ formatting

2022-01-06T13:52:37Z

Network serialization: formatting

← Older revision	Revision as of 13:52, 6 January 2022
(No difference)

imported>Extremeheat: /* Network serialization */ formatting

2022-01-06T13:52:37Z

Network serialization: formatting

← Older revision		Revision as of 13:52, 6 January 2022
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	* Server ➡️ Client – Send '''Network Chunk Publisher Update''' packet to specify the origin point for the client to start requesting chunks from		* Server ➡️ Client – Send '''Network Chunk Publisher Update''' packet to specify the origin point for the client to start requesting chunks from

	The LevelChunk packet’s sent by the server can either: * Contain a full payload including that includes terrain, biome and height map data for the column, OR * Contain blob hashes with data which correlate to the above if client supports caching, OR * Have a SubChunkCount set to -1, if so: * Payload contains ONLY biome data, OR * Payload contains blob hashes which have biome data if the client supports caching		The LevelChunk packet’s sent by the server can either:

	If the payload only contains biome data, the client will have to continually poll for the information from the server via Subchunk Request packets.		* Contain a full payload including that includes terrain, biome and height map data for the column, OR
			* Contain blob hashes with data which correlate to the above if client supports caching, OR
			* Have a SubChunkCount set to -1, if so:
			** Payload contains ONLY biome data, OR
			** Payload contains blob hashes which have biome data if the client supports caching

			If the payload only contains biome data, the client will have to continually poll for the information from the server via '''Subchunk Request''' packets.

	<span id="caching"></span>		<span id="caching"></span>

imported>Extremeheat: Create page for bedrock level format

2022-01-06T12:42:43Z

Create page for bedrock level format

← Older revision	Revision as of 12:42, 6 January 2022
(No difference)