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special outer wall order

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SoftFever 2022-11-20 09:23:16 +08:00
parent 88c0fea06f
commit ff2cf17a73
1 changed files with 25 additions and 18 deletions
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41
src/libslic3r/PerimeterGenerator.cpp
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@ -612,18 +612,13 @@ void PerimeterGenerator::process()
}
// nest loops: holes first
int idx;
for (int d = -1; d < loop_number; ++ d) {
idx = d;
if (idx == -1)
idx = loop_number;
PerimeterGeneratorLoops &holes_d = holes[idx];
for (int d = 0; d <= loop_number; ++ d) {
PerimeterGeneratorLoops &holes_d = holes[d];
// loop through all holes having depth == d
for (int i = 0; i < (int)holes_d.size(); ++ i) {
const PerimeterGeneratorLoop &loop = holes_d[i];
// find the hole loop that contains this one, if any
for (int t = idx + 1; t <= loop_number; ++ t) {
for (int t = d + 1; t <= loop_number; ++ t) {
for (int j = 0; j < (int)holes[t].size(); ++ j) {
PerimeterGeneratorLoop &candidate_parent = holes[t][j];
if (candidate_parent.polygon.contains(loop.polygon.first_point())) {
@ -650,16 +645,13 @@ void PerimeterGenerator::process()
}
}
// nest contour loops
for (int d = loop_number-1; d >= 0; -- d) {
idx = d;
if (idx == 0)
idx = loop_number;
PerimeterGeneratorLoops &contours_d = contours[idx];
for (int d = loop_number; d >= 1; -- d) {
PerimeterGeneratorLoops &contours_d = contours[d];
// loop through all contours having depth == d
for (int i = 0; i < (int)contours_d.size(); ++ i) {
const PerimeterGeneratorLoop &loop = contours_d[i];
// find the contour loop that contains it
for (int t = idx - 1; t >= 0; -- t) {
for (int t = d - 1; t >= 0; -- t) {
for (size_t j = 0; j < contours[t].size(); ++ j) {
PerimeterGeneratorLoop &candidate_parent = contours[t][j];
if (candidate_parent.polygon.contains(loop.polygon.first_point())) {
@ -675,6 +667,7 @@ void PerimeterGenerator::process()
}
// at this point, all loops should be in contours[0]
ExtrusionEntityCollection entities = traverse_loops(*this, contours.front(), thin_walls);
// if brim will be printed, reverse the order of perimeters so that
// we continue inwards after having finished the brim
// TODO: add test for perimeter order
@ -684,9 +677,23 @@ void PerimeterGenerator::process()
if (is_outer_wall_first ||
//BBS: always print outer wall first when there indeed has brim.
(this->layer_id == 0 &&
this->object_config->brim_type == BrimType::btOuterOnly &&
this->object_config->brim_width.value > 0))
entities.reverse();
this->object_config->brim_type == BrimType::btOuterOnly &&
this->object_config->brim_width.value > 0))
{
//entities.reverse();
if (entities.entities.size() > 1) {
std::vector<int> extPs;
for (int i = 0; i < entities.entities.size(); ++i) {
if (entities.entities[i]->role() == erExternalPerimeter)
extPs.push_back(i);
}
for (int i = 0; i < extPs.size(); ++i) {
if (extPs[i] == 0 || extPs[i] - 1 == extPs[i - 1])
continue;
std::swap(entities.entities[extPs[i]], entities.entities[extPs[i] - 1]);
}
}
}
// append perimeters for this slice as a collection
if (! entities.empty())
this->loops->append(entities);