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feat(stdlib): Tiled P0.5 — TMX/TSX reader over the XML reader (#68)
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Tiled.read / Tiled.read_tsx (runtime/native/tiled.ludic): map the native
XML formats (TMX/TSX/TX) onto the SAME intermediate the JSON path produces
— a Value tree in Tiled's JSON schema — so one format-independent core
(P1) consumes either reader.

- tmx_to_value walks a <map> into {orientation, width/height, tilewidth/
  height, tilesets[], layers[]}; every tile layer's <data> is decoded to a
  dense GID int list (CSV split, or base64 -> zlib/gzip inflate ->
  little-endian u32s), so a CSV .tmx and a base64 .tmj of the same map read
  structurally identically.
- External tilesets keep the {firstgid, source} reference (as TMJ does);
  embedded tilesets and standalone .tsx (tsx_to_value) inline full geometry
  + per-tile metadata (animation frames, collision objectgroup, class,
  properties) for later phases.
- Object layers, shapes (rect/ellipse/point/polygon/polyline/text),
  image/group layers and custom properties are parsed into the tree now so
  P2/P4/P5 just read it.
- tmj_normalize decodes base64 `data` strings in a parsed .tmj so the JSON
  path matches the XML path.

Proven by library/tiled_p05.ludic (30 assertions) incl. the in-repo Kenney
sampleMap.tmx + external sampleSheet.tsx and TMX-vs-TMJ structural
identity. Docs + inventory added; x test: 91 passed.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-01 14:15:41 +03:00
parent 79776d1f6a
commit 071c268de7
11 changed files with 5721 additions and 4986 deletions
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@ -4,3 +4,4 @@ type: feat
**Tiled map support (#67–#74)** — load and draw [Tiled](https://www.mapeditor.org/) maps (TMX/TSX/TX and TMJ/TSJ/TJ), the design record from #66.
- **P0 parsing primitives (#67)** — a minimal pure-Ludic XML reader (`Xml.*`) for the element/attribute/CDATA subset TMX/TSX/TX use; standard base64 decode/encode (`Base64.*`, RFC 4648), whose decoder ignores the whitespace Tiled wraps into `<data>`; and gzip framing (`z_gunzip`, RFC 1952) wrapping the existing DEFLATE inflater. zlib and the JSON reader already shipped. A curated, attributed golden corpus lands under `assets/tiled-fixtures/`.
- **P0.5 TMX/TSX reader (#68)** — `Tiled.read` / `Tiled.read_tsx` map the native XML formats onto the *same* intermediate the JSON path produces — a `Value` tree in Tiled's JSON schema, with every tile layer's data decoded to a dense GID list (CSV, base64, base64+zlib, base64+gzip). A CSV `.tmx` and a base64+zlib `.tmj` of the same map read structurally identically; the in-repo Kenney `sampleMap.tmx` + external `sampleSheet.tsx` load with no manual JSON re-export.