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Fix inconsistent ordering of support base outline and fill (#11761)

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* Preserve support base outline/fill order

Honor no_sort when emitting support toolpaths to keep outline-first order.
Group tree support base paths (including lightning) into per-area no_sort collections to prevent interleaving across islands.
Keep lightning layer lookup side-effect free.

* Tag Orca specific changes

Tag Orca specific changes vs. Bambu using the comment //ORCA: . This helps when reviewing merge commits from upstream Bambu so we don't end up causing regressions when pulling in commits from upstream
This commit is contained in:
Kiss Lorand
2026-06-02 09:39:27 +03:00
committed by GitHub
parent ac92125012
commit 1b72dbf6fa
2 changed files with 48 additions and 55 deletions
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4
src/libslic3r/GCode.cpp
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@@ -6174,7 +6174,9 @@ std::string GCode::extrude_support(const ExtrusionEntityCollection &support_fill
if (extrusions.empty())
return gcode;
chain_and_reorder_extrusion_entities(extrusions, m_last_pos.to_point());
//ORCA: Respect no_sort to preserve support base outline->fill order.
if (!support_fills.no_sort)
chain_and_reorder_extrusion_entities(extrusions, m_last_pos.to_point());
const double support_speed = m_config.support_speed.value;
const double support_interface_speed = m_config.get_abs_value("support_interface_speed");