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Tommaso BianchiandClaude Opus 5
30d54f0074
check_interference(min_volume) reports every pair of solid bodies whose
intersection encloses more than min_volume, as {body_a, body_b, volume}. It
reports only — no geometry is mutated, so calling it cannot disturb mates or
placements. Read-only at the MCP surface too: no checkpoint, no recompute.
Sheet bodies are skipped up front: an intersection involving one encloses no
volume, so the boolean would be wasted work. Bodies that merely touch share a
face and enclose nothing, so face-to-face contact is not an interference.
A boolean that fails on one pair must not lose the report for every other pair,
so each pair is guarded — and OCCT raises Standard_Failure, which is not a
std::exception and would otherwise escape.
No new serialized fields, no recipe bump: this reads `bodies`, which is
recompute output and was never serialized.
No separate MCP listing for instances and mates: describe_scene already emits
the feature tree, and Mate has rendered there correctly since M8a fixed
feature_type_name.
Tests assert the exact overlap volume (20*20*4 = 1600 mm^3), both negative cases
(clearly apart, and exact face contact), that sheets are skipped, that the
min_volume gate silences a real overlap, and that a clash created by a Fastened
mate is detected — which ties the M8b placement work to this report.
Suite 139 cases / 1960 assertions green. McpControl.cpp is reviewed but not
compiled by kernel-test.sh, which builds only libslic3r_tests.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>