ludic/changes
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feat(stdlib): Tiled P6 — infinite/chunked maps, .world stitching, base64+zstd (#74)
- Infinite/chunked maps: <chunk x y width height> (TMX) and JSON chunks[]
  (default 16x16) decode and flatten into the dense layer array, sized to the
  chunk union; the map's 0/0 header dimensions fall back to the flattened bounds.
- .world stitching: Tiled.world / Tiled.world_count / Tiled.world_map read a
  .world (JSON, reusing Json.parse) and list its member maps at their offsets.
- base64+zstd: a self-contained pure-Ludic Zstandard decompressor
  (runtime/native/zstd.ludic, RFC 8878) — the design's "largest single item,
  explicitly last". Frame header + raw/RLE/compressed blocks; raw/RLE and
  direct-weight Huffman literals; the full FSE sequence path (predefined,
  transcribed exactly from zstd's hardcoded tables since they're not rebuildable
  from the default distributions; RLE; FSE-described) with repeat offsets and
  execution. Decodes the low-entropy GID streams a tilemap produces; a high-
  entropy FSE-compressed-Huffman-weights block fails cleanly with -1 rather than
  emitting wrong bytes (documented scope).

Proven by library/tiled_p6.ludic (12 assertions): TMX + TMJ chunk flattening,
.world offsets, and a real zstd-compressed tile layer decoding byte-exactly to
its CSV baseline. x test: 97 passed.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-09-01 16:07:10 +03:00
..
index-addr-member-index.md feat(engine): Tiled P1 — rt_tmap model + GID resolver + render + projection (#69) 2026-09-01 14:43:29 +03:00
package-declarable-hooks.md docs(pkg): document @Namespace / @EngineSystem / @System + package hooks (#62) 2026-09-01 12:31:47 +03:00
package-manager.md feat(pkg): package manager — fetch + MVS resolve + namespace registration (#63) 2026-09-01 07:08:12 +03:00
prebuilt-packages.md feat(pkg): x build-lib / prebuilt consumption — binary packages end-to-end (#64) 2026-09-01 07:52:06 +03:00
README.md feat(release): SemVer + ludicc --version, changesets, and x release 2026-08-30 23:46:59 +03:00
tiled-maps.md feat(stdlib): Tiled P6 — infinite/chunked maps, .world stitching, base64+zstd (#74) 2026-09-01 16:07:10 +03:00

Changesets

A changeset is one small Markdown file describing a single user-facing change, dropped in this directory. x release consumes every changeset here into a new CHANGELOG.md section, bumps VERSION, and deletes the consumed files.

Format

bump: minor
type: feat
One or more lines describing the change, in the past-agnostic imperative used in
the changelog. Markdown is fine.
  • bump: — major, minor, or patch (SemVer). The release version is bumped by the highest level among the pending changesets (unless x release <level> overrides it).
  • type: — the Conventional Commit type (feat, fix, perf, docs, …); it becomes the bold prefix of the changelog bullet.

Adding one

Create a file with a short, unique name, e.g. changes/regex-namespace.md. Any filename works except this README.md, which the release step always skips.