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Axel Meyer 2949a96e11 Add GID encode/decode with range validation

Bit layout [atlas:8][tile_id:20][rot:2][res:2] matches
lib-core.maps init.lua so JS-produced GIDs are byte-identical to
engine-produced ones. >>> 0 forces unsigned u32 output.

2026-05-23 13:40:25 +02:00

src

Add GID encode/decode with range validation

2026-05-23 13:40:25 +02:00

tests

Add GID encode/decode with range validation

2026-05-23 13:40:25 +02:00

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package.json

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README.md

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README.md

sporel-tool-mapper

Standalone CLI for v2 Sporel map files.

Status

v0.1.0 — initial scaffold. See docs/superpowers/specs/2026-05-23-sporel-tool-mapper-design.md in sporel-meta for the full spec.

Subcommands

encode <atlas_idx> <tile_id> [rotation]
decode <gid>
build <spec.txt> <out.json> [--atlas-dir <path> ...]
inspect <map.json> [--atlas-dir <path> ...]

(Detailed usage and examples are added in Task 12.)