zwitschi 1916321761 feat(site): slice the ground into 20 m segments - and the slice hypothesis dies with them
The site exporter now splits sidewalks and kerbs into ~20 m pieces
(SEGMENTED / SEGMENT_M in Art/blender/site/export_site_fbx.py), 56 slices in all, so each has a
bounding box that means something where it stands instead of reporting the highest point on a
279 m slope. They import and stage (63 site meshes in the demo map).

The hypothesis behind it is dead, and that is the useful part: with the invisible sidewalk
stopgap retired, the player now falls to Road_Hollywood at 366 - the slices do not block either.
So the 279 m aspect ratio was never the cause; a 20 m slice of the same mesh fails identically.
The sidewalk geometry itself is what does not collide, and the next place to look is its shape -
an open surface with no volume, inverted winding or zero-thickness triangles - not the import
flags and not the size.

The stopgap retirement stands: the player walks on the road, which is real geometry that does
collide, rather than on an invisible ledge.
2026-11-09 18:13:29 +01:00

Gig Line

A Linux-first Unreal Engine game about walking and driving through a real city. The first release, 0.1.0, is a walkable exterior demo around 6840 Hollywood Blvd / El Capitan Entertainment Centre, covering the south-side frontage between Highland Avenue and Orange Drive plus the north-side frontage within 50 m of the boulevard.

Status

0.1.0 is in progress. The workstation, engine, geo pipeline and project bootstrap are done and verified; a walkable DemoMap exists with terrain, street, sidewalks, kerbs and the hero façade placed from measured coordinates. Façades are still blockouts, and materials are flat colours — both are planned patches.

Current tasks are in TODO.md and the development plan is in ROADMAP.md; what was learned the hard way is in MEMORY.md.

Layout

Path Contents
Game/ Unreal project, configuration, source, game-ready content
Art/ Editable Blender sources, blockouts, terrain, street, hero façade, and a local (uncommitted) reference library
Geo/ Source manifests, permitted geographic data, and every geographic tool
Tools/ Unreal-side importers, level builders, and reference gathering
Docs/ Setup, toolchain pins, build and content pipeline, licensing, release checks
Screenshots/ Rendered review captures and their approval state

Getting started

git lfs install    # required: content, images, audio, and geo files are LFS-tracked
git lfs pull
Tools/check-lfs.sh # verifies the lfs filter is active and files are stored as pointers

The engine is installed outside the repository and pinned in Docs/toolchain.md. Setup is in Docs/setup.md; building and the content pipeline are in Docs/build.md.

Documents

Licensing

Code licence is an open decision (MIT proposed). Engine, art, and geographic data are licensed separately; see Docs/licensing.md.

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