The second decomp round (flood bookkeeping/propagation, view-clip
support, landscape visibility) is archived Ghidra-arbitrated - it caught
a load-bearing BN inversion (InsCellTodoList pops NEAREST-first, which
is what makes the draw list far-to-near) and three more traps (the 192m
elided constant, the min/max double positional swap, the copy_view
cross order - the walk doc section 6 is corrected). WalkVisibilityMath
ports get_pt_limit @0x0054b840, get_clip_height @0x0054cff0,
corner/block_plane_check @0x0054b930/@0x0054d060, block_check
@0x0054dc50, and viewconeCheck @0x0054c250 with retail boundary
semantics (strict cull, inclusive partial, touch-out=Outside /
touch-in=EntirelyInside) under 23 focused tests.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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