Minecraft:Bedrock Edition level format/v0.1.0 alpha - Revision history

SyncBot: Fix template calls: add MC/ prefix

2026-04-09T19:51:09Z

Fix template calls: add MC/ prefix

← Older revision		Revision as of 19:51, 9 April 2026
Line 28:		Line 28:
	\| Estimated world size		\| Estimated world size
	\| 8		\| 8
	\| A big-endian 64 bit integer representing the world size in bits{{~~verify~~}}		\| A big-endian 64 bit integer representing the world size in bits{{MC/Verify}}
	\|-		\|-
	\| Last Played		\| Last Played
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	\| Air		\| Air
	\| 2		\| 2
	\| A little-endian signed short representing how much air the player has, in ticks. Fills to a maximum of 300 in air. Decreases while underwater.{{~~verify~~}}		\| A little-endian signed short representing how much air the player has, in ticks. Fills to a maximum of 300 in air. Decreases while underwater.{{MC/Verify}}
	\|-		\|-
	\| Unknown		\| Unknown

SyncBot: Remove broken links to missing pages

2026-04-09T15:37:49Z

Remove broken links to missing pages

← Older revision		Revision as of 15:37, 9 April 2026
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	This is the specification for the [[Minecraft:Bedrock Edition level format\|level format]] in [[Minecraft:Pocket Edition v0.1.0 alpha]] up to ~~[[Minecraft:~~Pocket Edition v0.2.0 alpha]] where the format was changed to ~~[[Minecraft:~~NBT ~~format\|NBT]]~~ instead of raw binary.		This is the specification for the [[Minecraft:Bedrock Edition level format\|level format]] in [[Minecraft:Pocket Edition v0.1.0 alpha]] up to Pocket Edition v0.2.0 alpha where the format was changed to NBT instead of raw binary.
	==level.dat==		==level.dat==
	{\| class="wikitable sortable"		{\| class="wikitable sortable"
Line 32:		Line 32:
	\| Last Played		\| Last Played
	\| 4		\| 4
	\| A big-endian 32 bit unix timestamp indicating when the level was last saved, will overflow and become negative at '''03:14:08 UTC on 19 January 2038''' due to ~~[[Minecraft:wikipedia:Year 2038 problem\|~~the year 2038 problem]] and will overflow every ~136 years after that.		\| A big-endian 32 bit unix timestamp indicating when the level was last saved, will overflow and become negative at '''03:14:08 UTC on 19 January 2038''' due to the year 2038 problem and will overflow every ~136 years after that.
	\|-		\|-
	\| Length of World Name in Bytes		\| Length of World Name in Bytes
Line 40:		Line 40:
	\| World Name		\| World Name
	\| Variable		\| Variable
	\| A ~~[[Minecraft:wikipedia:Code_page_437\|~~CP437]] encoded string<ref group="note">This is due to the font texture found in the assets folder of the apk, future versions may render non-ASCII characters differently</ref>		\| A CP437 encoded string<ref group="note">This is due to the font texture found in the assets folder of the apk, future versions may render non-ASCII characters differently</ref>
	\|}		\|}

Line 103:		Line 103:
	\| Hotbar		\| Hotbar
	\| 36		\| 36
	\| 9 slots that take up 4 bytes each, the first two bytes is the item ID<ref group="note">Every items from Pocket Edition [[Minecraft:Pocket Edition v0.1.0 alpha\|0.1.0]] to ~~[[Minecraft:Pocket Edition v0.1.3 alpha\|~~0.1.3]] has an ID only takes up 1 byte with the exception of [[Minecraft:Camera]], which takes 2 bytes (c8 01).</ref>. The other two bytes have unknown use and are always 0x00. The last slot is always saved as 0xFF for every byte, it's known to be a hotbar slot as the <code>minecraftpe</code> library loops through 9 hotbar slots.		\| 9 slots that take up 4 bytes each, the first two bytes is the item ID<ref group="note">Every items from Pocket Edition [[Minecraft:Pocket Edition v0.1.0 alpha\|0.1.0]] to 0.1.3 has an ID only takes up 1 byte with the exception of [[Minecraft:Camera]], which takes 2 bytes (c8 01).</ref>. The other two bytes have unknown use and are always 0x00. The last slot is always saved as 0xFF for every byte, it's known to be a hotbar slot as the <code>minecraftpe</code> library loops through 9 hotbar slots.
	\|}		\|}
	== Notes ==		== Notes ==
	{{notelist}}		{{notelist}}
	[[Category:Development]]		[[Category:Development]]
	~~[[Minecraft:~~pt:Formato de nível da Edição Bedrock/v0.1.0 alpha]]		pt:Formato de nível da Edição Bedrock/v0.1.0 alpha

imported>LPT5: Changed location and description of facing values in accordance with disassmbled code from the APK https://gitlab.com/Monika-Trenholme/mcpe-level-save-disassembly/-/blob/main/code/a0.1.0_touch_proto.cpp?ref_type=heads

2024-07-21T22:50:23Z

Changed location and description of facing values in accordance with disassmbled code from the APK https://gitlab.com/Monika-Trenholme/mcpe-level-save-disassembly/-/blob/main/code/a0.1.0_touch_proto.cpp?ref_type=heads

New page

This is the specification for the [[Minecraft:Bedrock Edition level format|level format]] in [[Minecraft:Pocket Edition v0.1.0 alpha]] up to [[Minecraft:Pocket Edition v0.2.0 alpha]] where the format was changed to [[Minecraft:NBT format|NBT]] instead of raw binary.
==level.dat==
{| class="wikitable sortable"
! Data
! Length (Bytes)
! Description
|-
| Header
| 8
| A little-endian 32 bit integer used to identify the version of the tool used to save the file, always 1 followed by a little-endian 32 bit integer that marks the size of the file subtract the header.
|-
| Seed
| 4
| A big-endian 32 bit signed integer
|-
| Spawn X
| 4
| A big-endian 32 bit signed integer
|-
| Spawn Y
| 4
| A big-endian 32 bit signed integer
|-
| Spawn Z
| 4
| A big-endian 32 bit signed integer
|-
| Estimated world size
| 8
| A big-endian 64 bit integer representing the world size in bits{{verify}}
|-
| Last Played
| 4
| A big-endian 32 bit unix timestamp indicating when the level was last saved, will overflow and become negative at '''03:14:08 UTC on 19 January 2038''' due to [[Minecraft:wikipedia:Year 2038 problem|the year 2038 problem]] and will overflow every ~136 years after that.
|-
| Length of World Name in Bytes
| 2
| A big-endian unsigned 16 bit integer
|-
| World Name
| Variable
| A [[Minecraft:wikipedia:Code_page_437|CP437]] encoded string<ref group="note">This is due to the font texture found in the assets folder of the apk, future versions may render non-ASCII characters differently</ref>
|}

==player.dat==
{| class="wikitable sortable"
! Data
! Length (Bytes)
! Description
|-
| Header
| 8
| A little-endian 32 bit integer used to identify the version of the tool used to save the file, always 1 followed by a little-endian 32 bit integer that marks the size of the file subtract the header, always 80.
|-
| Pos X
| 4
| A little-endian 32 bit float
|-
| Pos Y
| 4
| A little-endian 32 bit float
|-
| Pos Z
| 4
| A little-endian 32 bit float
|-
| Motion X
| 4
| A little-endian 32 bit float
|-
| Motion Y
| 4
| A little-endian 32 bit float
|-
| Motion Z
| 4
| A little-endian 32 bit float
|-
| Pitch
| 4
| A little-endian 32 bit float, an error in the code causes this value to be read incorrectly
|-
| Yaw
| 4
| A little-endian 32 bit float representing the player's yaw in degrees
|-
| Unknown
| 4
| A little-endian 32 bit float
|-
| Fire
| 2
| A little-endian signed short representing the number of ticks until the fire is put out. Negative values reflect how long the player can stand in fire before burning. Default value: -20
|-
| Air
| 2
| A little-endian signed short representing how much air the player has, in ticks. Fills to a maximum of 300 in air. Decreases while underwater.{{verify}}
|-
| Unknown
| 4
|
|-
| Hotbar
| 36
| 9 slots that take up 4 bytes each, the first two bytes is the item ID<ref group="note">Every items from Pocket Edition [[Minecraft:Pocket Edition v0.1.0 alpha|0.1.0]] to [[Minecraft:Pocket Edition v0.1.3 alpha|0.1.3]] has an ID only takes up 1 byte with the exception of [[Minecraft:Camera]], which takes 2 bytes (c8 01).</ref>. The other two bytes have unknown use and are always 0x00. The last slot is always saved as 0xFF for every byte, it's known to be a hotbar slot as the <code>minecraftpe</code> library loops through 9 hotbar slots.
|}
== Notes ==
{{notelist}}
[[Category:Development]]
[[Minecraft:pt:Formato de nível da Edição Bedrock/v0.1.0 alpha]]