zwitschi 9a3784683f feat(materials): masonry coursing, glass/banner materials, per-slot assignment, telephoto elevations ...

0.1.4 materials pass plus the camera fix levelling exposed.

Materials (Tools/ue_build_demo_map.py):
- ensure_material() gains optional masonry coursing (world-space course height,
  joint band, joint tint) and roughness variation, so facades read as coursed
  stone/stucco instead of one flat specular plane.
- WorldPosition is in centimetres: course heights in metres are scaled by 100
  (the first attempt divided by 0.55 and the coursing was invisible).
- connect_material_expressions returns False rather than raising, so every link
  now goes through a link() helper that logs failures; UE has no
  MaterialExpressionLess, so the joint mask is Frac -> Divide -> OneMinus -> Clamp.
- New materials: M_FacadeStoneShadow, M_FacadeGlass (specular 0.62 ~ IOR 1.5),
  M_FacadeBanner.
- Material assignment is now per SLOT keyed on the imported slot material name.
  It was slot-0 only, which on the hero is the banner, so stone, shadow stone and
  glazing still wore flat Blender materials. Hero now 4/4 slots.

Cameras (GigLineShotActor + ue_build_review_map):
- Optional per-shot ShotFieldOfView; the shot tuples take a 4th element.
- Elevations use a 42-55 deg lens from across the street: with the cameras
  levelled (0.1.2 follow-up) the building was small in frame, and tilting to fill
  it is what breaks the verticals. hero-facade-front sky 39% -> 20%,
  demo-spawn-view 23% -> 16%.

Screenshots re-rendered for the whole set.

2026-11-08 19:00:41 +01:00

28 KiBLFS

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