Fr0zka
826a8c99dc
The build passed and six tests ran; five green. Details in OPSTACK-PROGRESS.md. 1. DiffLayerContention's failure was the test, not the plugin. GetTotalModificationCount() sums STORED ENTRIES, not operations -- a stroke is filed under every chunk its AABB overlaps, so 400 radius-6 spheres straddling chunk corners store 3200 entries. The assertion now compares the stored count against the chunk fan-out ApplyModification itself returned, which also checks that the re-mesh list handed to the caller describes what was actually written. Everything the test exists for had already passed: 7 readers, 28.7M read rounds against 760 writes and 6 Clear()s, no crash, monotonic version. 2. MazeEquivalence: 454/20000 samples differed by at most 1.907e-06 -- exactly one ULP at magnitude 16 -- with ZERO crossing the isosurface, i.e. not one triangle would move. Leading hypothesis: the original routes noise coords through an FVector (double in UE5) and back to float, rounding twice, while the op passed floats straight through; under /fp:fast those round differently. The op now reproduces the detour on purpose, with a comment against "simplifying" it. Unverified -- it predicts 0 differences next run. If drift remains, next candidate is FMA contraction across translation units. Also recorded, because it is the perf half of the whole refactor: the Maze op stack proved 23 of 60 tiles uniform. ClassifyTile proves ZERO for any cave archetype today. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>