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- The level.dat file contains global information about the world such as the time of day, the singleplayer player, the level generator used, and the seed. When a world is loaded, the current level.dat is backed up to level.dat_old.
minecraft.wiki/w/Java_Edition_level_format
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Nov 28, 2023 · Minecraft's data files are in a proprietary file format called NBT (named binary tag). You're gonna need an editor specifically designed to open these, such as NBTExplorer (runs on Windows, Linux, Mac).
Learn how to download Minecraft Education. Follow these simple instructions in order to access Minecraft Education on your phone, computer or tablet.
Extract the level.dat from your .mcworld, .mctemplate or com.mojang world folder. Open the file with NBT editor (NBT Studio for example). Select on the first node which is level.dat. Create a new compound tag called experiments.
- Overview
- Folders
- Level.dat format
- GeneratorOptions tag format
- Session.lock format
- Poi format
- See also
This feature is exclusive to Java Edition.
Each level is its own folder. A level folder is often identified by having a level.dat file, along with other subfolders to store the maps and regions of the level.
Level folders will always contain the items in bold, and will sometimes contain the items in italics.
The level.dat file contains global information about the world such as the time of day, the singleplayer player, the level generator used, and the seed. When a world is loaded, the current level.dat is backed up to level.dat_old. It is an NBT file with this structure:
•The root tag.
•Data: This tag contains all the level data.
•allowCommands: 1 or 0 (true/false) - true if cheats are enabled.
•BorderCenterX: Center of the world border on the X coordinate. Defaults to 0.
•BorderCenterZ: Center of the world border on the Z coordinate. Defaults to 0.
The generatorOptions tag format varies depending on the generator name. It only affects the Overworld dimension. This applies to 1.15 and below.
This is the format for the Buffet world type:
•generatorOptions:
•biome_source:
•options: Ignored if the biome source ID is minecraft:vanilla_layered.
•biomes:
This file contains a single character ☃ (\u2603) encoded (E2 98 83) in UTF8.
The process goes something like this:
1.Program opens session.lock
2.Program writes a single character ☃ to session.lock
3.Program tries to lock session.lock
4.If the lock on session.lock fails, program aborts and gives up its lock on the level.
Files in poi folder use similar structure to region Anvil files (hence the mca extension), but the NBT content is different.
•The root tag.
•Data: This tag contains all the level data.
•Sections: Keys are stringified chunk section's Y coordinate (can be negative, a section at Y=2 starts at block Y=32).
• :
•Valid: True (1) when created by the game, however, if the decoding of POI NBT (from the region file) data fails, and the game then save the region file again, it might save false (0). This key is internally set to true when the POI section is refreshed, and a refresh always happens when the chunk section (with terrain data) at the same coordinates is decoded. To sum up, it is very unlikely to get false.
•Bedrock Edition level format
Minecraft: Java Edition
Versions
•Demo
•Locations
•PC Gamer Demo (Beta 1.3)
Oct 3, 2024 · This article is about the format since Bedrock Edition 1.2.13. For the format in former game versions, see Bedrock Edition level format/History. Bedrock Edition uses a modified version of Google's LevelDB, which uses the Zlib compression format for level storage.
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Mar 17, 2020 · We'll divide the features of the Education Edition of Minecraft into three categories: items and resources, student tools, and educator tools. Items and resources in Minecraft: Education...
