41fa3cbbc4
Move #106 to Recently closed (user-verified collision + solid walls; probe-verified 49 clean transitions incl. south A9B4->A9B3 at y=-0.19, east A9B3->AAB3 at x=192.2, and room-by-room tracking through the originally-failing A9B3 cottage). Records the three adjacent pre-existing bugs the gate runs surfaced and fixed (legacy Resolve bare ids, bogus-indoor-claim recovery, entry-hold streaming deadlock). Correct the capture doc's attribution: the outdoor running distortion was NOT fully the stale anchor — gate 4 shows residual background-color screen artifacts persist with a correctly-following anchor. The residual is the render §4 flap family (render digest), not membership. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
95 lines
6.5 KiB
Markdown
95 lines
6.5 KiB
Markdown
# #105 capture analysis — outdoor membership FREEZES at landblock boundaries (#106 PINNED)
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**Date:** 2026-06-09 (evening). **Branch:** `claude/thirsty-goldberg-51bb9b`.
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**Evidence:** `flap-105-capture.log` (53 MB UTF-16LE, `ACDREAM_PROBE_FLAP=1`, 136,736 lines,
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30,698 `[flap-cam]` frames, 16,587 `[render-sig]`, 750 `[pv-trace]`), analyzed by 3 parallel
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workers (throwaway scripts `q105_*.py` in the worktree root). User live-reproduced during
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capture: entered a cottage and "EVERYTHING disappears, like I'm standing outside."
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---
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## 0. TL;DR
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1. **#106 PINNED: the player's OUTDOOR cell membership never crosses a landblock boundary.**
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`playerCell` froze at `0xA9B40031` (line 93363) and stayed frozen for **10,449 frames**:
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~130 m of outdoor walking south across the `A9B4→A9B3` boundary (player y reaching −109.65
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in A9B4-local coords = ~82 m inside A9B3) plus an 8,929-frame stand INSIDE an A9B3 cottage.
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Zero indoor candidates ever flickered. Within-landblock outdoor transitions are clean
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(96/96, e.g. `0x0031↔0x0029` flipping exactly at the x=144 cell line).
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2. **The discriminator landed hard:** all **10 successful** outdoor→indoor entries this
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session (7 distinct buildings: 0170, 0150, 0164, 016E, 016C, 010B, 0118) were buildings in
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the SAME landblock as the player's outdoor cell — each a single clean flip with the viewer
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cell trailing ~48 frames (camera boom still outside), no flicker. The ONE failing entry was
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the only CROSS-landblock building entered.
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3. **Rendering is downstream and healthy:** while membership said "outdoor," `[render-sig]`
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shows the flood drawing the A9B3 interior cells (`0xA9B30100/0103/.../0110`) — the renderer
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could see the rooms membership refused to enter. 89 distinct indoor cells flood under
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outdoor roots across the session; ids==draw (no misses); **no never-flooding building
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exists**; **no indoor flood ever collapsed empty** (all 17 indoor roots always vis≥2).
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`feedback_render_downstream_of_membership` proven again.
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4. **The outdoor "running distortion" is the same freeze:** the render root stays anchored at
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the stale outdoor cell while the player runs away from it (10,415-frame root run at
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`0x0031`), so the whole view is built from a wrong anchor. The capture REFUTES flood-level
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causes outdoors: in all 26,960 outdoor-root frames, `outPolys=1` and `vis=1` with zero
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exceptions.
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> ⚠️ **Attribution PARTIALLY corrected post-fix (2026-06-09, #106 gate 4):** with #106
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> fixed and the anchor following correctly (49 clean transitions incl. cross-block),
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> the user still reports transient parts-of-screen-turn-background-color artifacts while
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> running and at cottage/room enter–exit. The stale anchor amplified the artifact but was
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> not its only cause — the residual is the §4 flap family (render digest), not membership.
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5. **The §4 indoor flap is unchanged and separate:** vis oscillation exists only under indoor
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roots (520 changes, longest 9 consecutive flips, cells 0x013F/0x0143/0x0150/0x0171) plus
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~11 one-to-three-frame OUT↔IN root blips at doorways (e.g. lines 31704..31713) — the known
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doorway flap, untouched today.
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## 1. What #106 explains vs what stays in #105
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- **#106 explains:** "enter house → everything disappears, looks like outside" (cross-landblock
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buildings), most of the day's per-session "some houses broken" reports (which houses break
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depends on where you've walked = which boundaries you crossed), and the outdoor running
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distortion (stale render anchor).
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- **Still #105 (residual, twice-observed earlier):** a single wall section missing
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(sky/clear color) while membership/viewer were demonstrably INDOOR-correct
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(`viewerCell=0171`, props drawn, collision present). All data/upload/registration layers are
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exonerated by 4 silent tripwire rounds; if it reproduces, the draw-level clip path (§4
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family) is the remaining suspect space.
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## 2. Fix pointers for #106 (next session)
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- **Membership chokepoint:** the outdoor candidate-cell proposal. The capture shows the
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resolver flips outdoor cells fine WITHIN a landblock but never proposes another landblock's
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outdoor cell. Look at `PhysicsEngine.ResolveCellId` + `CellTransit.AddAllOutsideCells`
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(its coord-convention bug was fixed 2026-05-25 — `feedback_latent_bug_masked_by_fallback`;
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cross-landblock proposals may be missing or clamped to the current landblock's 8×8 grid).
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- **Check the `b3ce505` #98 stopgap first:** it GATED the outdoor sweep (a flagged WORKAROUND
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that already caused #99). If the gate suppresses the sweep that would propose
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neighboring-landblock cells, #106 is its fallout — fixing the root (per-cell shadow
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architecture A6.P4) or narrowing the gate may be the real fix. Read
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`claude-memory/project_physics_collision_digest.md` DO-NOT-RETRY before touching anything.
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- **Retail oracle:** `CObjCell::find_cell_list` Position-variant
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(`acclient_2013_pseudo_c.txt:308742-308783`) + `LandDefs` outside-coordinate handling
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(`get_outside_lcoord` family) — retail resolves outdoor cells from GLOBAL coordinates, so
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landblock crossings are inherent. Cross-check ACE `Physics/Common/LandDefs.cs`.
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- **Cheap probe for the fix loop:** `ACDREAM_PROBE_CELL=1` (`[cell-transit]`, low volume)
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while walking across each Holtburg boundary; acceptance in #106's entry.
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## 3. Apparatus notes (carried forward)
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- `[pv-trace]` is hard-gated to roots `0x016F..0x0175` (`PortalVisibilityBuilder.cs:606-647`)
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and `BuildFromExterior` has **NO trace hook** — outside-looking-in cull reasons are
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unobservable until one is added (needed if #105's residual reproduces).
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- `[flap]`'s `vis`/`outPolys` are PRE-merge (emitted in `Build`, before
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`MergeNearbyBuildingFloods` in `RetailPViewRenderer.cs:48-61`); post-merge truth is
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`[render-sig] ids=/draw=`.
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- Tripwires still live (keep until #105/#106 close): rounds 1–3 + `[up-null]` (known-benign
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ids `0x010002B4`, `0x010008A8` — deterministic empty meshes, ignore).
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- Capture + scripts: `flap-105-capture.log`, `q105_*.py` (untracked throwaways).
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## 4. The day's full arc (for the next session's orientation)
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dat-reader direction chosen → read path EXONERATED (audit + 1.1M-read hammer, `b3920d8`) →
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teardown dispose-during-read AV FIXED (`8fadf77`) → white-walls trapped through 4 tripwire
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rounds (all silent) → live capture → **#106 pinned (membership, cross-landblock)**. The day's
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"render bug" was a physics bug all along, exactly per
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`feedback_render_downstream_of_membership`. Next session: fix #106 (membership/A6 territory,
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read the physics digest first).
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