Adaptive TPMS (#16005)

Co-authored-by: Rodrigo Faselli <162915171+RF47@users.noreply.github.com>

src/libslic3r/PrintObject.cpp

@@ -31,6 +31,7 @@
 #include "Fill/FillAdaptive.hpp"
 #include "Fill/Fill.hpp"
 #include "Fill/FillLightning.hpp"
+#include "Fill/FillTpmsAdaptive.hpp"
 #include "format.hpp"
 #include "AABBTreeIndirect.hpp"
 #include "AABBTreeLines.hpp"
@@ -1297,6 +1298,38 @@ FillLightning::GeneratorPtr PrintObject::prepare_lightning_infill_data()
     return has_lightning_infill ? FillLightning::build_generator(std::as_const(*this), [this]() -> void { this->throw_if_canceled(); }) : FillLightning::GeneratorPtr();
 }
 
+TpmsRadialFields PrintObject::prepare_tpms_radial_fields() const
+{
+    TpmsRadialFields fields;
+    std::array<bool, size_t(TpmsAdaptiveMode::Count)> modes{};
+    for (size_t region_id = 0; region_id < this->num_printing_regions(); ++region_id)
+        if (const PrintRegionConfig &config = this->printing_region(region_id).config();
+            config.sparse_infill_density > 0 && config.sparse_infill_density < 100 && is_tpms_adaptive_pattern(config.sparse_infill_pattern))
+            modes[size_t(config.tpms_adaptive.value)] = true;
+    modes[size_t(TpmsAdaptiveMode::Disabled)] = false;
+    if (std::find(modes.begin(), modes.end(), true) == modes.end() || m_layers.empty())
+        return fields;
+
+    std::vector<TpmsRadialField::Slice> slices;
+    slices.reserve(m_layers.size());
+    BoundingBox bbox;
+    for (const Layer *layer : m_layers) {
+        slices.push_back({layer->bottom_z(), layer->print_z, &layer->lslices});
+        bbox.merge(get_extents(layer->lslices));
+    }
+    if (!bbox.defined)
+        return fields;
+    for (size_t mode = 0; mode < modes.size(); ++mode) {
+        if (!modes[mode])
+            continue;
+        // Without a field, the infill falls back to the regular pattern.
+        auto field = std::make_unique<TpmsRadialField>(slices, bbox, TpmsAdaptiveMode(mode), [this]() { m_print->throw_if_canceled(); });
+        if (!field->empty())
+            fields[mode] = std::move(field);
+    }
+    return fields;
+}
+
 void PrintObject::clear_layers()
 {
     if (!m_shared_object) {
@@ -1700,6 +1733,9 @@ bool PrintObject::invalidate_state_by_config_options(
             || opt_key == "infill_overhang_angle") {
             steps.emplace_back(posInfill);
         } else if (opt_key == "sparse_infill_pattern"
+                   || opt_key == "tpms_adaptive"
+                   || opt_key == "tpms_interior_density"
+                   || opt_key == "tpms_adaptive_gradient"
                    // Orca: Body centering now also determines bridge anchors during preparation.
                    // Invalidating preparation also invalidates infill, including top/bottom surfaces.
                    || opt_key == "center_of_surface_pattern"
@@ -3207,6 +3243,7 @@ void PrintObject::bridge_over_infill()
         }
 
         this->m_adaptive_fill_octrees = this->prepare_adaptive_infill_data(surfaces_w_layer);
+        this->m_tpms_radial_fields    = this->prepare_tpms_radial_fields();
 
         std::vector<size_t> layers_to_generate_infill;
         for (const auto &pair : surfaces_by_layer) {