feat(world): add resolve-block-state and set-block-entity-nbt - #19
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| /// Restores a block entity from raw NBT bytes at the given position. | ||
| /// The NBT must contain a valid "id" field (e.g. "minecraft:chest"). | ||
| set-block-entity-nbt: func(pos: block-pos, nbt-data: list<u8>) -> result<_, string>; |
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Would probably be nice to have a get-block-entity-nbt method as well while we're at it
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After reviewing the main PR, the host implementation of the WIT does define a get_block_entity_nbt() method, but it doesn't seem to be present in this PR for the WIT repo. Maybe you forgot to push a commit?
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Description
Adds two new functions to the world interface that allow plugins to work with block states and tile entities:
resolve-block-state(name, properties) -> option<u16>— resolves a block name (e.g.minecraft:oak_stairs) with optional properties to its numeric state ID. Returnsnonefor unknown blocks, making it safe to use with schematics from different MC versions.set-block-entity-nbt(pos, nbt-data) -> result<_, string>— restores a block entity from raw NBT bytes at a given position. The NBT must contain a valididfield (e.g.minecraft:chest). This enables bulk tile entity placement for operations like schematic pasting.These were needed for building a litematica schematic paster plugin, but they're general-purpose enough for any plugin that needs to programmatically place blocks with specific states or restore tile entities.
Testing
Tested with a working schematic paster plugin that loads
.litematicafiles, resolves palette entries viaresolve-block-state, places blocks withset-block-state, and restores tile entities viaset-block-entity-nbt. Verified with multiple schematics of varying complexity.