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fix(render): FW4 slice 1 - interior outside-view slices come from the walk

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The FW3 visual gate's stairwell/grass transition flash (grass briefly
covering floor openings at doorway crossings - the #119 family) was the
FW3 dual path leaking: the walk decided WHETHER terrain draws while the
old PortalVisibilityBuilder assembly decided WHERE (slice planes, count,
scissor), and punch fans indexed the old slice array with walk view
indices. The new ACDREAM_PROBE_WALK_ROOT apparatus pinned the boundary
frames: fat/degenerate old-apparatus exit views splash terrain over
interior pixels, the interior depth-clear preserves color, and cells
absent from the walk's flood never repaint. Retail has ONE visibility
structure and cannot produce this.

ClipFrameAssembler.ReassembleOutsideViewFromWalk now materializes the
walk's own outside_view (pixel screen points -> standard NDC -> the
existing ClipPlaneSet machinery) into the assembly's outside-view block
after Collect, ahead of the single PrepareClipFrame publication (moved
below the walk block). The Landscape event carries the walk's active
view count on the record's existing OutsideViewCount field (trace
mapping compares kind only - zero oracle-fixture churn) and the driver
fans exactly that many terrain slices; activeTerrainSliceCount is
deleted end to end. Outdoor roots keep the assembler's single
full-screen slice, asserted ==1.

Hermetic 6,762/0 (4 new materializer tests pin the y-flip and
plane-sign conventions), Walk lane 209/1, InstalledDat walk conformance
40/1. Seals/cell slices/look-in seeding stay on the old per-cell views
for the rest of FW4 (identical dat polygons; only the visible set can
differ).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
Erik 2026-08-30 18:21:08 +02:00
parent 8f8b0b9c57
commit 37febd1fe6
11 changed files with 468 additions and 44 deletions
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6
tests/AcDream.App.Tests/Rendering/RetailPViewPassExecutorTests.cs
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@ -24,8 +24,12 @@ public sealed class RetailPViewPassExecutorTests
"begin",
"assemble",
"append-look-in-clips",
"prepare-clip:3",
// FW4 slice 1: the clip-region publication moved below the
// walk block (a walk-rooted interior frame re-derives the
// outside-view slices from the walk's own views first, and
// the appended slots must join the same single publication).
"indoor-routing",
"prepare-clip:3",
"prepare-cells",
"diagnostics",
"terrain-clip",