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Axel Meyer 589bdaef10 Add atlas composers and output writers

composeAtlas blits placed tile pixels into bounds-sized RGBA + L8 PNGs,
synthesizing L8=0 planes for unpaired diffuse tiles. buildAtlasJson
emits the metadata with deterministic ID-sorted tile arrays and applies
the optional blocks_sight regex.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

2026-05-21 22:45:54 +02:00

src

Add atlas composers and output writers

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tests

Add atlas composers and output writers

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.gitignore

Init atlas-baker tool with source-dir scan and pair-detection

2026-05-21 22:38:42 +02:00

LICENSE

Init atlas-baker tool with source-dir scan and pair-detection

2026-05-21 22:38:42 +02:00

package-lock.json

Init atlas-baker tool with source-dir scan and pair-detection

2026-05-21 22:38:42 +02:00

package.json

Init atlas-baker tool with source-dir scan and pair-detection

2026-05-21 22:38:42 +02:00

README.md

Init atlas-baker tool with source-dir scan and pair-detection

2026-05-21 22:38:42 +02:00

README.md

sporel-tool-atlas-baker

Builds paired diffuse + height PNG atlases for the Sporel map-lib v0.3.0+ format.

Usage

sporel-atlas-baker \
  --in <source-dir> \
  --out <atlas-dir> \
  --atlas-id <stable-id> \
  [--tile-size 64] \
  [--max-size 4096] \
  [--lock <existing-lock.json>] \
  [--blocks-sight-pattern <regex>]

See sporel-meta/docs/superpowers/specs/2026-05-21-map-multi-layer-design.md §4 for the format spec.

Development

npm install
npm test