Source vertex index the endpoint lands on
This endpoint's own (slot << 1) | endBit code
Length of the touch tables
Number of visible segments (bounds a named slot)
Per-vertex sum of the codes registered on it
Per-vertex count of registered endpoints, saturating at 3
The joint code, or a sentinel when no partner can be named
Joint code for one unclipped endpoint sitting on
vertex.Mirrors the Rust
joint_code; exposed (that twin is private) because theMAX_EXACT_JOINT_SLOTboundary is only reachable through a >16.7M-segment scene, which no unit test can build.