Axel Meyer 446d37fb0e feat: add packed-u32 GID encoding helpers for schema-v2 maps ...

encode_gid / decode_gid pack atlas_index (8 bits), tile_id (20 bits), and
rotation (2 bits) into a single u32; gid == 0 is reserved as the empty-cell
sentinel. Lua 5.4 native bitwise operators used throughout.

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

2026-05-21 15:15:34 +02:00

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