The oracle read the #112 residual was waiting on, settled against the
LIVE 2013 client (cdb attach, CEnvCell::find_transit_cells @ 0052c820;
BN pseudo-C was ambiguous and partly wrong per
feedback_bn_decomp_field_names - it invented portal_side tests in this
branch): retail admits outdoor transit cells from an indoor cell IFF a
path sphere STRADDLES an exterior portal polygon plane,
|dist| < radius + F_EPSILON(0.000199999995, @ 007c8c70). The flag at
[esp+18h] (set 0052c925, x87 decode fcompp/test ah,41h +
fcomp/test ah,5/jp) gates the add_all_outside_cells call (0052c9d6 je).
Graph reachability alone NEVER admits outdoor cells in retail.
Port (CellTransit):
- FindTransitCellsSphere: exitOutside now carries the retail straddle
semantics; new hasExitPortal out carries the old topology-only flag.
- BuildCellSetAndPickContaining: the collision cell SET keeps the A6.P5
topology widening on hasExitPortal (outdoor-registered doors must stay
findable from indoor cells until #99/A6.P4 ships per-cell shadow
lists - the 2026-05-25 door capture scenario), but the membership
PICK's outdoor branch is gated on the retail flag. Membership is now
retail-identical in both regimes: straddle -> outdoor candidates valid;
no straddle -> outdoor ignored -> retail keep-curr. This is what stops
deep-interior containment gaps in ANY house from demoting to outdoor
(the #112 transparent-interior shape) - the systemic protection the
user asked for, without house-by-house verification.
The at-doorway A9B3 gap demote is RETAIL-FAITHFUL (gap point is 0.23m
from 0x104s door plane < 0.48 foot radius -> retail straddles + demotes
+ self-heals inward): DocumentsResidual renamed to
...DemotesRetailFaithfully, expectation unchanged. New conformance pins:
deep-gap keep-curr (A9B3Cottage_GapBeyondStraddleDistance_KeepsCurrCell)
+ function-level gate semantics on real dat geometry
(FindTransitCellsSphere_ExitPortalStraddleGate_MatchesRetail).
Tests: Core 1391 green (+2) / App 224 / UI 420 / Net 294; pre-existing
4 #99-era failures unchanged; P1 membership goldens + A6.P5 door-set
tests explicitly green.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Root cause (oracle: CLandCell::point_in_cell :316941 = terrain-poly only;
find_cell_list null-result keep-curr pc:308788-308825; CEnvCell::
check_building_transit :309827 = sphere_intersects_cell per portal-adjacent
cell): retail KEEPS curr_cell when nothing contains the centre — including
inside a house's containment gaps. Our 6dbbf95 escape hatch instead demoted
any hydrated indoor claim the sphere no longer overlaps to the outdoor
column; at the A9B3 hill cottage's real interior gap this stranded the
player outdoor-classified deep indoors, where re-promotion is portal-
adjacent-only (retail-identical) -> the outdoor flood rendered the interior
transparent (the user's "sometimes transparent" walk).
The hatch's actual target - poisoned (cell, position) SAVES - has been
handled at the SNAP by PhysicsEngine.Resolve's AdjustPosition validation
since #107/#111, so the per-tick pick reverts to retail semantics:
1. lateral recovery first - when the sphere no longer overlaps the claim,
search the claim's stab list for a containing cell (retail
find_visible_child_cell :311444, the same recovery AdjustPosition uses);
the #111 adjacent-claim shape now self-heals laterally (dat-backed test:
pick(seed 0x172) at a 0x171-interior point -> 0x171);
2. else KEEP curr_cell (retail null-result).
Two old tests asserting the hatch demote rewritten to the retail semantics
(tests-can-codify-bugs); P1 retail-golden conformance gates explicitly green
(FindCellListConformance + ThresholdPortalCrossing + CottageDoorway +
CameraCornerSeal = 11/11). New Issue112MembershipTests: the lateral-recovery
fact + a DocumentsResidual fact pinning the remaining at-doorway gap demote
(via the NORMAL outdoor-candidate path; open oracle read = retail's
add_all_outside_cells gate in CEnvCell::find_transit_cells pc:317499 -
sphere-proximity vs graph-reachability). Core 1383 + 4 pre-existing #99
failures + 1 skip.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
