2026-11-10 15:37:40 +01:00
107 changed files with 135 additions and 130 deletions
@@ -594,3 +594,8 @@ Road_Hollywood_07 158   (was 366)

 - **Two things had to change together:** the road had to be exported in slices, _and_ the map had to stop staging the single `Road_Hollywood` asset, which still sat on top of the slices and won every trace.
 - General lesson: a long walkable mesh needs slicing in the source, because Unreal's simple collision is a convex hull of the whole mesh - the per-slice hull is the only way its collision follows its surface.
+
+## 2026-11-10 — `chmod u+w` on the Blender files, and what re-rendering does not do
+
+- Every `.blend` under `Art/` checked out read-only; a Blender save then fails with `RuntimeError: Error: Cannot save blend file ... is not writable`, and because the export happens after the save in `Tools/hero_facade_build.py`, **the FBX is never written and the old one is reused silently**. All 20 `.blend`/`.blend1` files were made writable; `find Art -name '*.blend' ! -perm -u+w` now returns 0.
+- **Re-rendering does not pick up `.blend` changes.** `Tools/render_screenshots.sh` renders the imported UE assets, so a rebuild is needed in between: Blender build → `Tools/ue_*_import.py` → render. Chmod alone cannot change a pixel; the hero captures are byte-identical before and after.