Minecraft:Point of Interest format

Point of Interests are stored in the poi folder of respective dimension folders. It is stored like Minecraft Minecraft:Anvil format files, which are named in the form r.x.z.mca.

Folder structure

(world save directory) dimensions minecraft overworld poi r.x.z.mca the_nether poi r.x.z.mca the_end poi r.x.z.mca

NBT structure

Every Minecraft:point of interest is an unnamed Template:Nbt compound contained in the Records list of a chunk file.

• Template:Nbt The root tag.
  • Template:Nbt: Version of the chunk data.
  • Template:Nbt: All chunk sections. One chunk section is an area of 16×16×16 blocks.
    • Template:Nbt<ref name="section naming">"<section>" is a variable which is equal to the chunk sections Y value. i.e: "0"</ref>: A section of a chunk holding point of interest data related to that section.
      • Template:Nbt: 1 or 0 (true/false) - Most often true. If the value is false, the entries in Records are removed and the value is set back to true when the chunk is loaded the next time.
      • Template:Nbt: A list of all point of interest blocks in the section.
        • Template:Nbt: A point of interest block.
          • Template:Nbt: Defines what type of point of interest this is. It is always one of the following: Template:Cd.
          • Template:Nbt: The number of entities that can claim this point of interest block. Value decreases / increases by 1 for each entity that claims / loses the point of interest block.
          • Template:Nbt: The point of interest blocks position in the world.
            • Template:Nbt: X coordinate.
            • Template:Nbt: Y coordinate.
            • Template:Nbt: Z coordinate.