jpmschweitzerandClaude Fable 5
2bac820c77
The asset-brief template (scope/visual-reference/naming/gen-path/ acceptance, one page) and five real briefs — station walls, rural walls, doors, floors, furniture/props — each citing its D-235 axis tokens and palette.md register rows (or the D-257 toon default), conventions.md naming/mask/footprint rules, and the image-gen -> glb-gen -> promotion path with concrete acceptance counts. Doors carry the negative no-state-frame-files constraint (runtime mechanism stays Phase 5); furniture/props' first acceptance is promoting the three unpromoted spike GLBs. deferred.md is the formal register for the T-1051 four (lamp posts, barns, TVs, billboards) + cars/Q-067, with rationale and revisit triggers — satisfying T-1051's own 'or record formal deferral' deliverable. Child stories under T-961 are created lead-side at merge. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
91 lines
4.4 KiB
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91 lines
4.4 KiB
Markdown
---
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title: "Asset Brief — Floors"
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description: "Floor surface textures — D-228 FloorMaterial axis, no D-235 ObjectTag (interior/ground-surface, not building-exterior)"
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type: design
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status: active
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ticket: ""
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decision_refs: [D-228, D-244, D-257]
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author: "Araminta"
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created: 2026-07-25
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updated: 2026-07-25
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---
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# Asset Brief — Floors
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One page. Gates its child story — the story does not enter `in_progress`
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without this brief attached.
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---
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## 1. Scope
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Floor **surface textures** — the D-228 `FloorMaterial` axis (built surface
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over ground: `None`/`Concrete`/`Pavement`/`Carpet`/`Metal`/… — an open,
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extensible vocabulary owned by the tile-fill layer, not D-235). This is a
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**different axis than D-235's `StreetSurface`** (outdoor paved/cobble/
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packed-earth streets) — floors are the interior/indoor-adjacent ground
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surface a character walks on inside a building footprint. No prior art
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beyond `placeholder-art-spec-v01.md` §2.1's 4 sprite-era floor placeholders
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and `workshop-outcomes.md` §3.3's mention (both pre-cascade, superseded
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production model per D-244). Out of scope: street surfaces (D-235 axis,
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folded into whichever wall/facade brief's district ends up owning street
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dressing — not this brief), doors, furniture footprints.
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## 2. Visual Reference
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No D-235 register row exists for `FloorMaterial` (palette.md §3 only covers
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wall/roof/facade/street) — floors take `palette.md` §2's toon default
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(flat-lit, `roughness=1.0`/`specular=0.0`) with **one exception mirroring the
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§2.1 glazing carve-out logic**: a `Metal` floor with a genuinely
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polished/mirror finish (rare, e.g. a showroom) would need the same
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minimal-PBR treatment for the same functional reason (a flat-toon mirror
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floor misleads the player about reflections the way flat-toon glass misleads
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about sightlines) — this is a narrow, judgment-call extension of an existing
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carve-out, not a new rule; most `Metal` floors (deck plating, catwalk) stay
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flat toon. `Concrete`/`Pavement` should read consistently with `palette.md`
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§3.1's `concrete_wall` warm-neutral-grey register even though there is no
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formal floor row — reuse that hue family for visual coherence between wall
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and floor in the same room, rather than picking an unrelated grey.
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## 3. Naming
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Texture: `<object_tag>_<map_type>.png` shape from `conventions.md` §3,
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substituting the `FloorMaterial` value for the object_tag slot since floors
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aren't D-235-vocabulary-keyed — e.g. `concrete_floor_basecolor.png`,
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`carpet_floor_basecolor.png`, `metal_floor_normal.png`. No standalone floor
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*model* — floors are always a tileable surface, texture-only, no Trellis
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step. No mask sidecar (material register drives color, not tint); no
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`footprint_tiles` (a floor texture tiles across the tile grid, it doesn't
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have a discrete multi-tile footprint the way a piece of furniture does).
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## 4. Generation Path
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Texture-only path: `/image-gen` produces a flat, tileable concept at the
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target hue/grain (no 3/4-view object framing — a floor concept should be a
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top-down or straight-on flat material swatch) → lands directly in
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`textures.md`, no `/glb-gen`/Trellis step (there is no mesh to convert).
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Concept prompts should explicitly request a **seamlessly tileable** surface
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pattern — the standard `/image-gen` style block doesn't cover tiling by
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default and needs an explicit add-on instruction for this class.
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## 5. Acceptance
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3 starter assets enter `textures.md` at `planned`: (1) `concrete_floor` —
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the most common interior default, reusing the `concrete_wall` warm-grey hue
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family per §2; (2) `pavement_floor`; (3) `carpet_floor` — the class's first
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non-hard-surface test case (different grain/weathering behavior than the
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masonry-derived floors). No generic-fallback-parent entry applies here — the
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Q-119 generic-parent question is scoped to the ratified D-235 axes plus "door/
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floor/furniture parents" it names as a candidate extension; if that
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extension is adopted (Q-119 resolves yes), a `generic_floor` placeholder
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becomes milestone-0 for this class too, but that decision is not made here.
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---
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## Cross-References
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- `docs/assets/visual/conventions.md` §3 — texture naming shape (adapted for non-ObjectTag axis)
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- `docs/assets/visual/palette.md` §2, §3.1 — toon default + glazing-carve-out logic, wall hue-family reuse
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- `docs/assets/visual/textures.md` — target catalog
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- D-228 — `FloorMaterial` axis definition (override-stack: wild → economic → user mutator)
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