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Refactored hollowing backend to use indexed_triangle_mesh

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tamasmeszaros 2021-05-26 16:41:34 +02:00
parent f12187b53d
commit e6f97358bc
14 changed files with 204 additions and 68 deletions
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20
src/libslic3r/SLA/Hollowing.cpp
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@ -77,7 +77,7 @@ static InteriorPtr generate_interior_verbose(const TriangleMesh & mesh,
if (ctl.stopcondition()) return {};
else ctl.statuscb(0, L("Hollowing"));
auto gridptr = mesh_to_grid(mesh, {}, voxel_scale, out_range, in_range);
auto gridptr = mesh_to_grid(mesh.its, {}, voxel_scale, out_range, in_range);
assert(gridptr);
@ -136,19 +136,15 @@ InteriorPtr generate_interior(const TriangleMesh & mesh,
if (interior && !interior->mesh.empty()) {
// This flips the normals to be outward facing...
interior->mesh.require_shared_vertices();
indexed_triangle_set its = std::move(interior->mesh.its);
// flip normals back...
swap_normals(interior->mesh);
Slic3r::simplify_mesh(interior->mesh);
Slic3r::simplify_mesh(its);
its_compactify_vertices(interior->mesh);
its_merge_vertices(interior->mesh);
// flip normals back...
for (stl_triangle_vertex_indices &ind : its.indices)
std::swap(ind(0), ind(2));
interior->mesh = Slic3r::TriangleMesh{its};
interior->mesh.repaired = true;
interior->mesh.require_shared_vertices();
swap_normals(interior->mesh);
}
return interior;
@ -325,7 +321,7 @@ void hollow_mesh(TriangleMesh &mesh, const Interior &interior, int flags)
if (flags & hfRemoveInsideTriangles && interior.gridptr)
remove_inside_triangles(mesh, interior);
mesh.merge(interior.mesh);
mesh.merge(TriangleMesh{interior.mesh});
mesh.require_shared_vertices();
}