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feat(engine): Tiled P5 — image/group layers, iso/hex/staggered coords, Wang (#73)
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- Image layers: <imagelayer> renders with parallax + optional repeatx/repeaty
  tiling across the view; the image loads relative to the map file. Group layers
  flatten at build (children render in file order); layer offset/opacity/tint are
  queryable (Tiled.layer_kind / layer_offsetx / layer_offsety / layer_opacity /
  layer_tint), a group's tint applying recursively.
- Orientation transforms: Tiled.cell_x / Tiled.cell_y compute a tile cell's
  screen position for orthogonal, isometric ((x-y)*tw/2, (x+y)*th/2), staggered,
  and hexagonal (rows step by (tileh+hexsidelength)/2, alternate rows shoved per
  staggerindex) — the tile draw now places cells through them.
- Wang: exported Wang-set GIDs are ordinary GIDs and resolve through the standard
  GID resolver; the terrain-corner authoring concept is editor-side (design cut).

Proven by library/tiled_p5.ludic (14 assertions) over the real
isometric_grass_and_water.tmx (iso + Wang) and hexagonal-mini.tmx, plus a
hand-authored image+group fixture. x test: 96 passed.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-01 15:14:36 +03:00
parent b8c71d2a8e
commit 78a5719fae
15 changed files with 5829 additions and 5007 deletions
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tools/x/test.ludic
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@ -211,6 +211,7 @@ function cmd_test() -> int {
feat_case("library/tiled_p2", "", "1 2 3 4 5 6 7 8 9 10 11 12 13 14", "tiled_p2.ludic (Tiled P2: per-tile objectgroup / property-convention / collision-layer -> Solids feed; A* baseline; issue #70)")
feat_case("library/tiled_p3", "", "1 2 3 4 5 6 7 8 9 10 11 12 13 14", "tiled_p3.ludic (Tiled P3: animated tiles -> deterministic frame clock + tile objects w/ flips; beach_tileset 33 anims; issue #71)")
feat_case("library/tiled_p4", "", "1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18", "tiled_p4.ludic (Tiled P4: object shapes/text + custom props/types + templates + opt-in spawn; issue #72)")
feat_case("library/tiled_p5", "", "1 2 3 4 5 6 7 8 9 10 11 12 13 14", "tiled_p5.ludic (Tiled P5: image/group layers + iso/hex/staggered coords + Wang GID resolution; issue #73)")
feat_case("library/render", "", "1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18", "render.ludic (Screen pixel/oval/camera/clip/blend_mode/measure_text + Camera set/follow/shake, verified by pixel readback)")
feat_case("library/lighting", "", "1 2 3 4 5 6 7 8 9 10 11 12 13 14", "lighting.ludic (Light ambient/point radial falloff + occluder hard shadows — 2D light accumulation, verified by pixel readback)")
feat_case("library/light_tiers", "", "1 1 1 1 1 1 1 1 1", "light_tiers.ludic (Light spot/falloff/soft/gel/normal/time_of_day — render-quality tiers 3-4; issue #49)")