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Add mixed filament support: Implement MixedFilament and MixedFilamentManager classes for layer-based color mixing. Update CLI to handle downward_check option. Enhance GUI to display mixed filaments and integrate with existing filament management.

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Rad
2026-02-09 22:35:18 +01:00
parent 706508c792
commit e529461234
21 changed files with 669 additions and 39 deletions
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6
src/libslic3r/PrintObjectSlice.cpp
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@@ -854,8 +854,9 @@ static inline void apply_mm_segmentation(PrintObject &print_object, ThrowOnCance
const auto &layer_ranges = print_object.shared_regions()->layer_ranges;
double z = print_object.get_layer(int(range.begin()))->slice_z;
auto it_layer_range = layer_range_first(layer_ranges, z);
// BBS
const size_t num_extruders = print_object.print()->config().filament_diameter.size();
// MM segmentation channels correspond to filament IDs (1-based), which now
// include enabled mixed / virtual filaments.
const size_t num_extruders = segmentation.empty() ? 0 : segmentation.front().size();
struct ByExtruder {
ExPolygons expolygons;
@@ -875,6 +876,7 @@ static inline void apply_mm_segmentation(PrintObject &print_object, ThrowOnCance
it_layer_range = layer_range_next(layer_ranges, it_layer_range, layer.slice_z);
const PrintObjectRegions::LayerRangeRegions &layer_range = *it_layer_range;
// Gather per extruder expolygons.
assert(segmentation[layer_id].size() == num_extruders);
by_extruder.assign(num_extruders, ByExtruder());
by_region.assign(layer.region_count(), ByRegion());
bool layer_split = false;