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Add support for csg operation stacking

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This commit is contained in:
tamasmeszaros 2022-12-20 17:38:46 +01:00
parent 4fabd0b307
commit 25ca46e3eb
6 changed files with 185 additions and 49 deletions
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41
src/libslic3r/CSGMesh/ModelToCSGMesh.hpp
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@ -5,13 +5,15 @@
#include "libslic3r/Model.hpp"
#include "libslic3r/SLA/Hollowing.hpp"
#include "libslic3r/MeshSplitImpl.hpp"
namespace Slic3r { namespace csg {
enum ModelParts {
mpartsPositive = 1,
mpartsNegative = 2,
mpartsDrillHoles = 4
mpartsDrillHoles = 4,
mpartsDoSplits = 8
};
template<class OutIt>
@ -22,20 +24,43 @@ void model_to_csgmesh(const ModelObject &mo,
int parts_to_include = mpartsPositive
)
{
bool do_positives = parts_to_include & mpartsPositive;
bool do_negatives = parts_to_include & mpartsNegative;
bool do_positives = parts_to_include & mpartsPositive;
bool do_negatives = parts_to_include & mpartsNegative;
bool do_drillholes = parts_to_include & mpartsDrillHoles;
bool do_splits = parts_to_include & mpartsDoSplits;
for (const ModelVolume *vol : mo.volumes) {
if (vol && vol->mesh_ptr() &&
((do_positives && vol->is_model_part()) ||
(do_negatives && vol->is_negative_volume()))) {
CSGPart part{&(vol->mesh().its),
vol->is_model_part() ? CSGType::Union : CSGType::Difference,
(trafo * vol->get_matrix()).cast<float>()};
*out = std::move(part);
++out;
if (do_splits && its_is_splittable(vol->mesh().its)) {
CSGPart part_begin{{}, vol->is_model_part() ? CSGType::Union : CSGType::Difference};
part_begin.stack_operation = CSGStackOp::Push;
*out = std::move(part_begin);
++out;
its_split(vol->mesh().its, SplitOutputFn{[&out, &vol, &trafo](indexed_triangle_set &&its) {
CSGPart part{std::make_unique<indexed_triangle_set>(std::move(its)),
CSGType::Union,
(trafo * vol->get_matrix()).cast<float>()};
*out = std::move(part);
++out;
}});
CSGPart part_end{{}};
part_end.stack_operation = CSGStackOp::Pop;
*out = std::move(part_end);
++out;
} else {
CSGPart part{&(vol->mesh().its),
vol->is_model_part() ? CSGType::Union : CSGType::Difference,
(trafo * vol->get_matrix()).cast<float>()};
*out = std::move(part);
++out;
}
}
}