zwitschi
bd1f8a9c2e
Tools/visual_loop.py:
- --verify gates every capture against its expectation in Tools/visual_targets.json
(missing, blank, tone-less or wrong-size shots fail), so 'each screenshot shows
what was expected' is checked rather than assumed.
- --compare measures luminance, RMS contrast, edge density, palette distance and a
3x3 luma grid against the reference photograph, with a 0-1 similarity score.
- --iteration N writes Art/reference/iterations/N/{metrics.json,feedback.md}; the
feedback names the skill to consult (blender-modeler, archviz, materials, lookdev,
camera-cinematography), so the next modelling pass starts from a measurement.
- Iterations are gitignored until the owner confirms a shot; only confirmed shots
are promoted into Screenshots/.
Screenshots/ holds demo-map captures only now: render_screenshots.sh renders just
DemoMap, collects the shots and runs the verification gate (--verify); the review
staging map is no longer rendered for review and its PNGs are removed. The README
is rewritten around the four demo shots with per-shot expected content and a
verified column, and no longer claims the review staging set.
Tests: 67 pass (13 new) covering metrics on synthetic images, comparison scoring,
the feedback rules and the target spec (including that every target is a demo shot
and that iterations are gitignored).
93 lines
8.1 KiB
Markdown
93 lines
8.1 KiB
Markdown
# Tools
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Repeatable helpers that drive Blender, Unreal, and the reference/asset sources. Nothing here is hand-run twice: every step that produced committed content has a script.
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Geographic tools live in [`Geo/tools/`](../Geo/README.md) and the Blender-side builders live next to their output in `Art/blender/*/`; this folder holds everything that talks to Unreal, the network, or the repository.
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## Conventions
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- One script, one job. Every input is an argument; no interactive prompts.
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- Absolute paths where a tool crosses into a sandbox (Blender Flatpak, the Unreal commandlet). Those processes do not share the repo's working directory.
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- Unreal commandlets swallow `print()`, so each writes a result file under `/tmp/gigline/`. Read the file; do not trust the exit code alone.
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- No credentials, no writes outside the project by default.
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## Repository and assets
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| Tool | Purpose |
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| --- | --- |
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| `check-lfs.sh` | Fails if the `lfs` filter is missing or an LFS-tracked file was committed as a plain blob |
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| `facade_kit_build.py` | Builds the reusable façade **module kit** at the measured 4.96 m bay: pilaster, sill, lintel, window bay (surround + glazing), shopfront bay (piers, glass, fascia), door bay (jambs, door, threshold), cornice and parapet + coping. Exports each piece with the shared preset plus a JSON part report (dims + evidence per piece). |
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| `ue_import_facade_kit.py` | Imports the kit into `/Game/Hollywood/Kit/*` as static meshes with complex-as-simple collision; writes `/tmp/gigline/kit-import.txt`. |
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| `ue_apply_facade_kit.py` | Lays the kit over a building's street face from its own bounding box: bay count = round(width / 4.96), storeys from the height, shopfronts on the ground floor, windows above, pilasters on bay boundaries, cornice and parapet at the top. Clears a previous application first; unique labels per building. |
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| `generate_facade_textures.py` | Deterministic stdlib PNG generator for the facade maps (`T_StoneAshlar`, `T_Stucco`, `T_Asphalt`, `T_Concrete`, each `_BC` base colour + `_R` roughness). Pure-zlib writer, hash-based value noise, identical bytes on every run; `--size` and `--out` (`/tmp/gigline/textures` by default). `ue_build_demo_map.py` imports them into `/Game/Hollywood/Textures` and samples them world-aligned. |
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| `ue_common.py` | Shared helpers for the Unreal commandlet scripts: `make_writable()` clears the read-only bit an LFS `.umap` checks out with (otherwise `save_map()` returns False silently), and `require_saved()` makes that failure explicit. |
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| `fbx_export_preset.py` | The **single** FBX export preset (`ue_metric_v1` / `ue_character_v1`): metres→centimetres via `FBX_SCALE_NONE`, axis mapping east +X / north −Y / up +Z, `mesh_smooth_type="FACE"` (smoothing groups survive the import). Every Blender exporter imports it instead of copying the argument block; `preset_kwargs()` is bpy-free and unit-tested. |
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| `sibling_asset_audit.py` | Reads the sibling project's prop library from GLB headers into `Art/props/reuse-manifest.json`; copies nothing |
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| `scale_test_export.py` / `ue_scale_test_import.py` | The 1 m = 100 uu scale test; the named presets `ue_metric_v1` live in these two files |
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## Reference gathering
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| Tool | Purpose |
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| --- | --- |
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| `commons_fetch.py` | Wikimedia Commons: search, exact `File:` titles, or a whole category; writes a provenance `sidecar.json` |
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| `page_image_fetch.py` | Resolves a web page's `og:image` and downloads it (Flickr, Commons file pages, photo blogs) |
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| `addon_compat_probe.py` | Verifies MPFB/Blosm can load and generate headless on the pinned Blender |
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## Blender content
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| Tool | Purpose |
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| --- | --- |
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| `hero_facade_build.py` | Parametric hero façade; emits a JSON report naming the evidence behind every part |
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| `mpfb_character_export.py` | MPFB human, standard rig, baked skin, FBX export |
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## Unreal import and level building
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| Tool | Purpose |
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| --- | --- |
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| `ue_import_site.py` | Imports the six site FBXs into `/Game/Hollywood/Site`, setting collision complexity per mesh |
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| `ue_hero_facade_import.py` | Imports the façade and places it on the measured building line |
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| `ue_build_demo_map.py` | Builds `/Game/Hollywood/DemoMap`: lighting, façade, site meshes, player start |
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| `ue_build_review_map.py` | Rebuilds `Test/ReviewMap`, stages the shot camera list, and stages the demo-map views |
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| `ue_create_input_assets.py` | Creates `/Game/Input` actions and the mapping context headlessly |
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| `ue_character_import.py` | Skeletal import plus the material/texture chain Interchange skips |
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## Visual review
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| Tool | Purpose |
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| --- | --- |
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| `render_screenshots.py` / `render_screenshots.sh` | Rebuilds the review map, runs the game, captures the shot list into `Screenshots/` |
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| `judge_screenshot.py` | Vision-model pre-check: judges a screenshot against an expected-scene description (`--image` + `--expect`, or `--shots` for every shot in the README). Reads `OPENROUTER_API_KEY` from `.env` (ignored). Optional, advisory only — the model is unreliable on this content and never replaces a human verdict. |
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| `visual_loop.py` | The reference-vs-render loop. `--verify` gates each capture against its expectation in `visual_targets.json` (blank/short/wrong-size/tone-less shots fail); `--compare` measures luminance, contrast, edge density, palette and 3×3 composition against the reference photograph and turns the deltas into modelling actions naming the skill to consult (`blender-modeler`, `archviz`, `materials`, `lookdev`, `camera-cinematography`); `--iteration N` writes the artefacts under `Art/reference/iterations/N/`, which is **gitignored until the owner confirms a shot**. |
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| `visual_targets.json` | Per-shot expectation and reference photograph for `visual_loop.py`. Every entry must be a demo-map shot. |
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## Gameplay QA
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| Command | Purpose |
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| --- | --- |
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| `UnrealEditor <uproject> /Game/Hollywood/DemoMap -game -qaselftest` | Headless behaviour check: drives forward input for 2 s, then resets and pauses. Logs `GigLine QA: ... PASS/FAIL` lines and a final `RESULT`. Runs only with `-qaselftest`, so normal play is unaffected. |
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| `-qaselftest` phases | Walk, reset, pause/unpause, a 16-row seam transect (0 holes), a ground-referenced wall probe (0/35) and a **facade occlusion probe** that fires sideways from the road centre and requires a blocking wall wherever a building is staged (0/9), plus a frame-time capture writing `Saved/Profiling/perf-walk-frametimes.csv` and logging `GigLine PERF:`. |
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| `gigline.SetupLogs` cvar | Spawn/input setup logging, **off by default** (`DefaultEngine.ini [ConsoleVariables]`); enable at runtime with `gigline.SetupLogs 1`. |
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## Reference and concept generation
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| Tool | Purpose |
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| --- | --- |
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| `facade_detail_concepts.py` | Generates **frontal building plates** (whole elevation, entrance in its facade, or building with neighbours) from a local reference photograph with an image model (OpenRouter); close-up detail crops are deliberately not requested because they cannot be measured for proportion. `--list` is free and shows which studies have their reference present; `--all`/`--only <name>` generates. Never overwrites (writes `-v2`, `-v3`), writes a `.refgen.json` sidecar per image (model, prompt, source photo, SHA-256), and puts everything under `Art/reference/facade-details/` — gitignored, local-only, never shipped. Costs money per image, so it is never automatic. |
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| `judge_screenshot.py` | (see Visual review) |
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## Input injection
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| Tool | Purpose |
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| --- | --- |
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| `input_emulation.py` | Pure-stdlib `ctypes`/`fcntl` driver that creates a virtual keyboard+mouse on `/dev/uinput`. The desktop treats it as real hardware, so it proves whether OS input actually reaches the game. Needs `/dev/uinput` writable (ACL on this host). |
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| `input_test.py` | Injects a scripted sequence into the focused window: `--sequence move:2,look:3,jump:1,reset:1,pause:1,click`. |
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## Tests
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```bash
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python3 -m pip install -r requirements-tools.txt
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python3 -m unittest discover -s Tools/tests -t Tools -p 'test_*.py'
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```
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Stdlib `unittest`, no Blender/Unreal process. See [`tests/README.md`](tests/README.md): test the pure parts (encoding, classification, maths, parsing); if logic is buried in `main()`, extract it into a function so it can be tested.
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