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fix(physics): restore retail cell availability semantics

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Erik 2026-07-31 14:22:45 +02:00
parent d3c0d9ec0e
commit 7716c2ee89
14 changed files with 393 additions and 62 deletions
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9
docs/architecture/worldbuilder-inventory.md
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@ -178,6 +178,15 @@ 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.
Evidence: `docs/research/2026-07-31-cell-availability-semantics.md`.
**Retail VFX hook compatibility seam (2026-07-14).** Chorizite.DatReaderWriter
2.1.7 models `CreateBlockingParticleHook` as the common hook header only, while
retail inherits the complete `CreateParticleHook` payload. The narrow readers in