3DPrinting/PrusaSlicer-NonPlainar
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Make new split always default if feasible

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This commit is contained in:
tamasmeszaros 2021-06-04 14:39:35 +02:00
parent 97529ff6b7
commit 0ca17b0798
1 changed files with 31 additions and 18 deletions
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49
src/libslic3r/TriangleMesh.cpp
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@ -451,27 +451,40 @@ std::deque<uint32_t> TriangleMesh::find_unvisited_neighbors(std::vector<unsigned
*/
TriangleMeshPtrs TriangleMesh::split() const
{
// Loop while we have remaining facets.
std::vector<unsigned char> facet_visited;
struct MeshAdder {
TriangleMeshPtrs &meshes;
MeshAdder(TriangleMeshPtrs &ptrs): meshes{ptrs} {}
void operator=(const indexed_triangle_set &its)
{
meshes.emplace_back(new TriangleMesh(its));
}
};
TriangleMeshPtrs meshes;
for (;;) {
std::deque<uint32_t> facets = find_unvisited_neighbors(facet_visited);
if (facets.empty())
break;
if (has_shared_vertices()) {
its_split(its, MeshAdder{meshes});
} else {
// Loop while we have remaining facets.
std::vector<unsigned char> facet_visited;
for (;;) {
std::deque<uint32_t> facets = find_unvisited_neighbors(facet_visited);
if (facets.empty())
break;
// Create a new mesh for the part that was just split off.
TriangleMesh* mesh = new TriangleMesh;
meshes.emplace_back(mesh);
mesh->stl.stats.type = inmemory;
mesh->stl.stats.number_of_facets = (uint32_t)facets.size();
mesh->stl.stats.original_num_facets = mesh->stl.stats.number_of_facets;
stl_allocate(&mesh->stl);
// Create a new mesh for the part that was just split off.
TriangleMesh* mesh = new TriangleMesh;
meshes.emplace_back(mesh);
mesh->stl.stats.type = inmemory;
mesh->stl.stats.number_of_facets = (uint32_t)facets.size();
mesh->stl.stats.original_num_facets = mesh->stl.stats.number_of_facets;
stl_allocate(&mesh->stl);
// Assign the facets to the new mesh.
bool first = true;
for (auto facet = facets.begin(); facet != facets.end(); ++ facet) {
mesh->stl.facet_start[facet - facets.begin()] = this->stl.facet_start[*facet];
stl_facet_stats(&mesh->stl, this->stl.facet_start[*facet], first);
// Assign the facets to the new mesh.
bool first = true;
for (auto facet = facets.begin(); facet != facets.end(); ++ facet) {
mesh->stl.facet_start[facet - facets.begin()] = this->stl.facet_start[*facet];
stl_facet_stats(&mesh->stl, this->stl.facet_start[*facet], first);
}
}
}