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structura-core

Reusable Minecraft Java 1.21.1 structure-processing core. It owns:

  • validated Java Structure NBT I/O;
  • legacy schematic conversion and numeric analysis;
  • NumPy/SciPy voxel geometry primitives (connected components, closing).

The library targets Minecraft Java 1.21.1 by default. Version constants live in structura_core.version; callers can still pass an explicit Amulet translation target to the legacy converter.

pip install -e '.[legacy]'
structura-analyze path/to/structure.nbt --json

The legacy extra is only needed for .schematic conversion and Sponge .schem export. Normal Structure NBT processing stays independent of amulet-core.

Generated additions may replace explicit air, but never overwrite source solid blocks. Every saved position is bounds-checked.

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0.6.3

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0.6.2

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0.6.1

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0.6.0

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