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fix(physics): validate retail cell containment roots

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Erik 2026-07-31 14:48:26 +02:00
parent 7716c2ee89
commit 3e0f3b6206
23 changed files with 429 additions and 197 deletions
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19
docs/architecture/worldbuilder-inventory.md
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@ -178,13 +178,18 @@ package schema, bake, DAT reader, collision formula, or render portal graph
changed. Evidence:
`docs/research/2026-07-26-prepared-indoor-transit-regression.md`.
**Cell availability semantics (2026-07-31).** Raw and prepared CellStruct
publication now retains a `CellPhysics` record even when authored physics or
containment roots are empty. Payload absence is the unavailable state; a loaded
null/-1 containment root keeps retail's universal-inside BSP base case.
Registration-side outdoor floods still add outside cells but skip transit when
the active CLandCell is unavailable, then recover through the existing reflood
after terrain/cell hydration. No package schema or DAT reader changed.
**Cell availability semantics (2026-07-31, corrected after full-catalog
audit).** Raw and prepared CellStruct publication retains a `CellPhysics`
record when the physics root is empty but requires a valid containment root.
The installed 729,888-record raw and prepared catalogs contain zero rootless
containment payloads. A malformed null/-1 root is quarantined atomically; the
recursive inside base case applies only to a missing positive child below a
valid root. Registration-side outdoor floods still add outside cells but skip
transit when the active CLandCell is unavailable, and every later outdoor
candidate independently requires its own visible landcell before building
transit. The existing reflood retries after terrain/cell hydration. Both raw
and prepared point-in-cell paths preserve retail's zero-portals guard. No
package schema or DAT reader changed.
Evidence: `docs/research/2026-07-31-cell-availability-semantics.md`.
**Retail VFX hook compatibility seam (2026-07-14).** Chorizite.DatReaderWriter