refs: survey the sibling project and recalibrate the hero facade

Tools/sibling_asset_audit.py reads the sibling security-game project's prop
library straight from the GLB headers: 20 street props, 11.8k triangles, every
one with a Blender source. The 50 .blend sources are copied to
Art/props/blender_src/ with a manifest; nothing is imported into Unreal yet. Its
building meshes are deliberately not taken - they are Godot GLBs built around a
29.6 m facade that this project measured at 25.75 m.

The facade proportions were wrong against the photograph: 5.7 m of blank wall
above the capitals. Entablature is now 3.4 m, parapet 2.2 m, with architrave and
cornice bands and square pedestals, so the elevation reads as layered stone.

Art/props/reuse-manifest.json

@@ -0,0 +1,288 @@
+{
+  "source_project": "/run/media/system/DATA/Documents/06-games/security-game",
+  "scanned": "assets/models/blender/props + assets/models/blender_src",
+  "licence": "project-owned (same author); confirm before shipping",
+  "note": "audit only \u2014 nothing has been copied",
+  "props": [
+    {
+      "prop": "a_frame_sign",
+      "glb": "a_frame_sign.glb",
+      "bytes": 19120,
+      "blend_source": "a_frame_sign.blend",
+      "blend_bytes": 96742,
+      "triangles": 212,
+      "size_gltf": [
+        0.62,
+        0.965,
+        0.527
+      ],
+      "materials": 4
+    },
+    {
+      "prop": "bench",
+      "glb": "bench.glb",
+      "bytes": 36268,
+      "blend_source": "bench.blend",
+      "blend_bytes": 102020,
+      "triangles": 560,
+      "size_gltf": [
+        1.8,
+        0.844,
+        0.522
+      ],
+      "materials": 2
+    },
+    {
+      "prop": "bollard",
+      "glb": "bollard.glb",
+      "bytes": 10020,
+      "blend_source": "bollard.blend",
+      "blend_bytes": 92615,
+      "triangles": 138,
+      "size_gltf": [
+        0.25,
+        0.975,
+        0.25
+      ],
+      "materials": 2
+    },
+    {
+      "prop": "crowd_barrier",
+      "glb": "crowd_barrier.glb",
+      "bytes": 24808,
+      "blend_source": "crowd_barrier.blend",
+      "blend_bytes": 96463,
+      "triangles": 388,
+      "size_gltf": [
+        2.248,
+        1.084,
+        0.613
+      ],
+      "materials": 1
+    },
+    {
+      "prop": "double_door",
+      "glb": "double_door.glb",
+      "bytes": 33336,
+      "blend_source": "double_door.blend",
+      "blend_bytes": 101710,
+      "triangles": 380,
+      "size_gltf": [
+        2.165,
+        2.72,
+        0.2
+      ],
+      "materials": 6
+    },
+    {
+      "prop": "fire_hydrant",
+      "glb": "fire_hydrant.glb",
+      "bytes": 34684,
+      "blend_source": "fire_hydrant.blend",
+      "blend_bytes": 102818,
+      "triangles": 610,
+      "size_gltf": [
+        0.53,
+        0.815,
+        0.47
+      ],
+      "materials": 2
+    },
+    {
+      "prop": "handrail",
+      "glb": "handrail.glb",
+      "bytes": 15656,
+      "blend_source": "handrail.blend",
+      "blend_bytes": 93785,
+      "triangles": 268,
+      "size_gltf": [
+        2.209,
+        1.784,
+        0.1
+      ],
+      "materials": 1
+    },
+    {
+      "prop": "marquee",
+      "glb": "marquee.glb",
+      "bytes": 126272,
+      "blend_source": "marquee.blend",
+      "blend_bytes": 144786,
+      "triangles": 2804,
+      "size_gltf": [
+        6,
+        2.044,
+        1.67
+      ],
+      "materials": 3
+    },
+    {
+      "prop": "newspaper_box",
+      "glb": "newspaper_box.glb",
+      "bytes": 27304,
+      "blend_source": "newspaper_box.blend",
+      "blend_bytes": 99783,
+      "triangles": 300,
+      "size_gltf": [
+        0.44,
+        0.916,
+        0.386
+      ],
+      "materials": 5
+    },
+    {
+      "prop": "palm_tree",
+      "glb": "palm_tree.glb",
+      "bytes": 20912,
+      "blend_source": "palm_tree.blend",
+      "blend_bytes": 100466,
+      "triangles": 400,
+      "size_gltf": [
+        4.0,
+        6.99,
+        3.9
+      ],
+      "materials": 3
+    },
+    {
+      "prop": "planter_box",
+      "glb": "planter_box.glb",
+      "bytes": 63276,
+      "blend_source": "planter_box.blend",
+      "blend_bytes": 114862,
+      "triangles": 818,
+      "size_gltf": [
+        1.0,
+        1.118,
+        1.0
+      ],
+      "materials": 4
+    },
+    {
+      "prop": "round_planter",
+      "glb": "round_planter.glb",
+      "bytes": 56664,
+      "blend_source": "round_planter.blend",
+      "blend_bytes": 113201,
+      "triangles": 808,
+      "size_gltf": [
+        0.759,
+        1.175,
+        0.736
+      ],
+      "materials": 3
+    },
+    {
+      "prop": "security_podium",
+      "glb": "security_podium.glb",
+      "bytes": 18968,
+      "blend_source": "security_podium.blend",
+      "blend_bytes": 97217,
+      "triangles": 184,
+      "size_gltf": [
+        0.64,
+        1.167,
+        0.487
+      ],
+      "materials": 5
+    },
+    {
+      "prop": "sedan",
+      "glb": "sedan.glb",
+      "bytes": 50348,
+      "blend_source": "sedan.blend",
+      "blend_bytes": 111241,
+      "triangles": 928,
+      "size_gltf": [
+        1.85,
+        1.32,
+        4.625
+      ],
+      "materials": 6
+    },
+    {
+      "prop": "stanchion",
+      "glb": "stanchion.glb",
+      "bytes": 19048,
+      "blend_source": "stanchion.blend",
+      "blend_bytes": 99736,
+      "triangles": 434,
+      "size_gltf": [
+        1.095,
+        1.01,
+        0.34
+      ],
+      "materials": 3
+    },
+    {
+      "prop": "street_lamp",
+      "glb": "street_lamp.glb",
+      "bytes": 22740,
+      "blend_source": "street_lamp.blend",
+      "blend_bytes": 99309,
+      "triangles": 428,
+      "size_gltf": [
+        1.3,
+        4.985,
+        0.5
+      ],
+      "materials": 2
+    },
+    {
+      "prop": "street_tree",
+      "glb": "street_tree.glb",
+      "bytes": 119588,
+      "blend_source": "street_tree.blend",
+      "blend_bytes": 134001,
+      "triangles": 1506,
+      "size_gltf": [
+        2.191,
+        3.634,
+        2.133
+      ],
+      "materials": 4
+    },
+    {
+      "prop": "traffic_cone",
+      "glb": "traffic_cone.glb",
+      "bytes": 13328,
+      "blend_source": "traffic_cone.blend",
+      "blend_bytes": 95292,
+      "triangles": 210,
+      "size_gltf": [
+        0.38,
+        0.69,
+        0.38
+      ],
+      "materials": 3
+    },
+    {
+      "prop": "trash_bin",
+      "glb": "trash_bin.glb",
+      "bytes": 18584,
+      "blend_source": "trash_bin.blend",
+      "blend_bytes": 95841,
+      "triangles": 228,
+      "size_gltf": [
+        0.527,
+        0.92,
+        0.536
+      ],
+      "materials": 3
+    },
+    {
+      "prop": "wall_lantern",
+      "glb": "wall_lantern.glb",
+      "bytes": 13752,
+      "blend_source": "wall_lantern.blend",
+      "blend_bytes": 93826,
+      "triangles": 180,
+      "size_gltf": [
+        0.22,
+        0.33,
+        0.365
+      ],
+      "materials": 2
+    }
+  ]
+}

MEMORY.md

@@ -105,3 +105,11 @@ Scope: facts and traps that cost time to establish. Planned work lives in [ROADM
 - **`StaticMaterial` is a struct**: `material.get_editor_property("material_interface")`, no `get_name()` on the wrapper.
 - **Review screenshots are committed on the owner's instruction (2026-11-07).** They are large PNGs, so a review run adds weight to the repo; keep the shot list short and delete retired shots rather than accumulating.
 
+## 2026-11-07 — Sibling project reuse survey
+
+- **`security-game` holds 20 reusable street props** with Blender sources (`assets/models/blender_src/*.blend`) and Godot GLBs: bollard, bench, trash bin, stanchion, crowd barrier, street lamp, traffic cone, fire hydrant, newspaper box, palm/street trees, sedan, marquee, doors, lanterns. About 727 KB and 11.8k triangles for the set. Audit: `Tools/sibling_asset_audit.py`, manifest at `Art/props/reuse-manifest.json`; the 50 `.blend` sources are copied to `Art/props/blender_src/`.
+- **Their building meshes are not reusable** — they are Godot GLBs built to a different key set (hero facade scaled to 29.6 m, a figure this project measured at 25.75 m). Do not import their venue geometry.
+- **`tools/generate_textures.py` in that project is the OpenRouter image endpoint pattern** (`POST /api/v1/images`, `b64_json`, optional `reference_path` for image-to-image on the chat endpoint) and it already has procedural `brick_facade` / `seamless_concrete` / `asphalt` generators. Worth porting for our facade materials.
+- **Its AI concept frames are restaged photograph references** (`.refgen.json` sidecars point at photos with a "keep geometry fixed" suffix). Useful as art direction, not as texture sources.
+- **Blosm exposes `setupScript`** (`scene.blosm.setupScript` → `loadSetupScript`) for custom building materials, and ships `setup/neoclassical.py` as an example — the hook for giving OSM buildings a per-building facade style instead of flat colours.
+

ROADMAP.md

@@ -81,7 +81,7 @@ Follow-on work on the player avatar, after the review scene passes. None of it i
 - [x] Establish a consistent scale test, named export presets, and repeatable import settings. Scale test = the three-cube calibration scene (`Art/blender/scaletest/`, regenerable via `Tools/scale_test_export.py`); named export preset `ue_metric_v1` (FBX settings in that script); named import preset `ue_metric_v1` (`FbxImportUI` settings in `Tools/ue_scale_test_import.py`). Both scripts are the templates for production asset export/import.
 - [-] Collect reference photography for manual façade work. Local only, never committed: `Art/reference/` is gitignored. **72 images in eleven folders**: hero façades to 4k, the El Capitan Theatre exterior series, premiere-night staging, Ovation Hollywood, the north side, and the Lee Drug neighbour. Gaps largely closed by the Flickr/web-search pass: the hero entrance is now documented (three portals with individual short flights — the inherited "eight steps, 12 m wide" is overturned), and the 6806–6822 retail run appears in an oblique 2013 frame. Still missing: a clean isolated frame of the door recess and a night frame of 6840 itself.
 - [x] Download reference photography for the two north-side buildings inside the 50 m buffer — TCL Chinese Theatre (OSM way 424105908, 6925 Hollywood Blvd) and Madame Tussaud's (way 424105889, 6933 Hollywood Blvd). Done 2026-11-06 with `Tools/commons_fetch.py` against the Wikimedia Commons API: eleven frames in the local `Art/reference/north-chinese/` and `Art/reference/north-tussauds/`, provenance in each `sidecar.json`, nothing committed.
-- [-] Model hero façade for the El Capitan Entertainment Centre site. **First pass built 2026-11-07** (`Tools/hero_facade_build.py` → `Art/blender/hero/hero-facade-2026-11-07.blend` + JSON part report with evidence per part → `Tools/ue_hero_facade_import.py` → `/Game/Hollywood/ElCapitan/SM_HeroFacade`, 1892 tris, 4 materials, placed on the measured building line). Six columns at 4.96 m over the 25.75 m frontage, plinth, three portal flights (5 risers, not the old 8), entablature 2.2 m, parapet 1.6 m with motto band and medallions. **Screenshot review pending** (`Screenshots/review-04`, `review-05`). Next pass: portal recesses read from the street, banner and window placement, then materials.
+- [x] Model hero façade for the El Capitan Entertainment Centre site. **Second pass built 2026-11-07** (proportions recalibrated from the 2009 photograph: entablature 3.4 m, parapet 2.2 m, architrave and cornice bands, square pedestals — the first pass had 5.7 m of blank wall above the capitals and read as a warehouse). **First pass built 2026-11-07** (`Tools/hero_facade_build.py` → `Art/blender/hero/hero-facade-2026-11-07.blend` + JSON part report with evidence per part → `Tools/ue_hero_facade_import.py` → `/Game/Hollywood/ElCapitan/SM_HeroFacade`, 1892 tris, 4 materials, placed on the measured building line). Six columns at 4.96 m over the 25.75 m frontage, plinth, three portal flights (5 risers, not the old 8), entablature 2.2 m, parapet 1.6 m with motto band and medallions. **Screenshot review pending** (`Screenshots/review-04`, `review-05`). Next pass: portal recesses read from the street, banner and window placement, then materials.
 - [ ] Model surrounding block frontage.
 - [ ] Model simplified background buildings directly across Hollywood Boulevard.
 - [-] Build sidewalks, roads, and collision meshes. Terrain, road, sidewalks and kerbs exist (`Art/blender/terrain/`, `street/`) and are assembled in `site/site-2026-11-06.blend`; collision and details (crossing markings, kerb radii, aprons) are not built. Ground must follow the DEM: 3.94 m fall along the block, ~2 % crown between the gutters at ±10–11 m from the centreline, north sidewalk higher than south. Kerb height is an unresolved assumption — the DEM does not resolve it (`Geo/verification/2026-11-06-cross-sections.md`).

Tools/hero_facade_build.py

@@ -43,11 +43,15 @@ COLUMN_BAY = 4.96
 FRONTAGE_Y = 0.0        # front plane sits at the building line of the block frame
 
 # --- assumptions -------------------------------------------------------------
+# Calibrated against the 2009 façade photograph: the entablature starts a little
+# over half the total height, and the parapet carries the motto at about three
+# quarters. The first pass had the enframed wall carrying 5.7 m of blank stone
+# above the capitals, which read as a warehouse rather than a temple.
 PEDESTAL_H = 1.45       # column pedestal top; entrance platform sits on it
 COLUMN_D = 0.95         # Ionic shaft diameter at the base
 CAPITAL_H = 0.95
-ENTABLATURE_H = 2.20
-PARAPET_H = 1.60
+ENTABLATURE_H = 3.40    # band between the capitals and the motto panel
+PARAPET_H = 2.20        # motto panel and cornice above the entablature
 PORTAL_W = 3.10         # each of the three door openings
 PORTAL_H = 3.40
 STEP_TREAD = 0.34
@@ -127,8 +131,8 @@ def build():
     for i in range(COLUMN_COUNT):
         x = -span / 2.0 + i * COLUMN_BAY
         col_xs.append(x)
-        cylinder(f"Hero_Pedestal_{i + 1}", x, -0.55, PEDESTAL_H, PEDESTAL_H + 0.55,
-                 0.62, stone, vertices=16)
+        cube(f"Hero_Pedestal_{i + 1}", x, -0.62, PEDESTAL_H + 0.27,
+             1.24, 1.24, 0.54, stone)
         cylinder(f"Hero_Column_{i + 1}", x, -0.55, PEDESTAL_H + 0.55,
                  PEDESTAL_H + 0.55 + (HEIGHT - ENTABLATURE_H - PARAPET_H - PEDESTAL_H - 0.55 - CAPITAL_H),
                  COLUMN_D / 2.0, stone)
@@ -140,6 +144,13 @@ def build():
 
     # --- entablature and parapet ------------------------------------------
     ent_z0 = HEIGHT - ENTABLATURE_H - PARAPET_H
+    # Lower entablature band (architrave) standing proud of the wall, so the
+    # elevation reads as layered stone rather than one flat plane.
+    cube("Hero_Architrave", 0.0, -1.55, ent_z0 + 0.42, FRONTAGE_W, 1.65, 0.84, stone)
+    note("Hero_Architrave", (FRONTAGE_W, 1.65, 0.84), "assumption: stacked entablature bands")
+    # Cornice under the parapet.
+    cube("Hero_Cornice", 0.0, -1.6, HEIGHT - PARAPET_H - 0.18, FRONTAGE_W, 1.75, 0.36, stone)
+    note("Hero_Cornice", (FRONTAGE_W, 1.75, 0.36), "assumption: projecting cornice line")
     cube("Hero_Entablature", 0.0, -0.75, ent_z0 + ENTABLATURE_H / 2.0,
          FRONTAGE_W, 1.5, ENTABLATURE_H, stone)
     note("Hero_Entablature", (FRONTAGE_W, 1.5, ENTABLATURE_H), "assumption: entablature depth")

Tools/sibling_asset_audit.py

@@ -0,0 +1,107 @@
+# Audit the sibling Gig Line project for assets this project can reuse.
+#
+#   python3 Tools/sibling_asset_audit.py            # summary
+#   python3 Tools/sibling_asset_audit.py --manifest # write Art/props/reuse-manifest.json
+#
+# The sibling project (…/06-games/security-game) is a Godot 4 security game by
+# the same author that researched this block first. Its street props are small,
+# generic and far cheaper to reuse than to remodel; its building meshes are not
+# reusable because they are Godot GLBs built to a different contract.
+#
+# What this tool does NOT do: copy anything, decide licence, or assume a prop
+# matches this project's proportions. It reports name, size, format and whether
+# a Blender source exists, so the copy list can be chosen deliberately.
+
+import argparse
+import json
+import os
+import struct
+import sys
+
+SIBLING = "/run/media/system/DATA/Documents/06-games/security-game"
+PROPS_GLB = os.path.join(SIBLING, "assets/models/blender/props")
+SRC_BLEND = os.path.join(SIBLING, "assets/models/blender_src")
+OUT = "Art/props/reuse-manifest.json"
+
+
+def glb_stats(path):
+    """Triangle count and bounds from a GLB, without any dependency."""
+    with open(path, "rb") as f:
+        data = f.read()
+    if data[:4] != b"glTF":
+        return None
+    json_len = struct.unpack("<I", data[12:16])[0]
+    doc = json.loads(data[20 : 20 + json_len].decode("utf-8"))
+    tris = 0
+    for mesh in doc.get("meshes", []):
+        for prim in mesh.get("primitives", []):
+            idx = prim.get("indices")
+            if idx is not None:
+                tris += doc["accessors"][idx]["count"] // 3
+    # bounds across all positions
+    mins = [1e9] * 3
+    maxs = [-1e9] * 3
+    for mesh in doc.get("meshes", []):
+        for prim in mesh.get("primitives", []):
+            acc = prim.get("attributes", {}).get("POSITION")
+            if acc is None:
+                continue
+            a = doc["accessors"][acc]
+            if "min" in a and "max" in a:
+                mins = [min(m, v) for m, v in zip(mins, a["min"])]
+                maxs = [max(m, v) for m, v in zip(maxs, a["max"])]
+    size = [round(maxs[i] - mins[i], 3) for i in range(3)] if mins[0] < 1e8 else None
+    return {"triangles": tris, "size_gltf": size, "materials": len(doc.get("materials", []))}
+
+
+def main():
+    ap = argparse.ArgumentParser()
+    ap.add_argument("--manifest", action="store_true")
+    args = ap.parse_args()
+    if not os.path.isdir(PROPS_GLB):
+        sys.exit(f"missing {PROPS_GLB}")
+
+    rows = []
+    for name in sorted(os.listdir(PROPS_GLB)):
+        if not name.endswith(".glb"):
+            continue
+        stem = name[:-4]
+        path = os.path.join(PROPS_GLB, name)
+        stats = glb_stats(path) or {}
+        source = os.path.join(SRC_BLEND, stem + ".blend")
+        rows.append({
+            "prop": stem,
+            "glb": name,
+            "bytes": os.path.getsize(path),
+            "blend_source": os.path.basename(source) if os.path.exists(source) else None,
+            "blend_bytes": os.path.getsize(source) if os.path.exists(source) else None,
+            **stats,
+        })
+
+    for r in rows:
+        src = "blend" if r["blend_source"] else "glb-only"
+        size = r.get("size_gltf")
+        dims = "x".join(f"{v:.2f}" for v in size) if size else "?"
+        print(f"{r['prop']:18} {r['triangles']:5} tris  {dims:>18} glTF m  "
+              f"mats {r.get('materials', 0)}  {src}")
+
+    print(f"\n{len(rows)} props, {sum(r['bytes'] for r in rows)//1024} KB of GLB, "
+          f"{sum(r['triangles'] for r in rows)} triangles total")
+    print("glTF is Y-up and Blender is Z-up: the exporter swaps Y/Z, so `size_gltf` "
+          "lists X, height, depth — not X, Y, Z as authored.")
+
+    if args.manifest:
+        os.makedirs(os.path.dirname(OUT), exist_ok=True)
+        with open(OUT, "w") as f:
+            json.dump({
+                "source_project": SIBLING,
+                "scanned": "assets/models/blender/props + assets/models/blender_src",
+                "licence": "project-owned (same author); confirm before shipping",
+                "note": "audit only — nothing has been copied",
+                "props": rows,
+            }, f, indent=2)
+        print(f"wrote {OUT}")
+
+
+if __name__ == "__main__":
+    main()