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# Conflicts:
#	resources/profiles/Creality.json
#	resources/profiles/Voron.json
#	version.inc
This commit is contained in:
SoftFever 2022-11-05 11:26:59 +08:00
commit 6fb941cf4c
26 changed files with 224 additions and 70 deletions
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123
src/libslic3r/Print.cpp
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@ -82,6 +82,7 @@ bool Print::invalidate_state_by_config_options(const ConfigOptionResolver & /* n
"extruder_clearance_height_to_rod",
"extruder_clearance_height_to_lid",
"extruder_clearance_radius",
"extruder_clearance_max_radius",
"extruder_colour",
"extruder_offset",
"filament_flow_ratio",
@ -398,6 +399,9 @@ StringObjectException Print::sequential_print_clearance_valid(const Print &print
const PrintInstance *print_instance;
BoundingBox bounding_box;
Polygon hull_polygon;
int index;
double arrange_score;
double height;
};
std::vector<struct print_instance_info> print_instance_with_bounding_box;
{
@ -475,6 +479,7 @@ StringObjectException Print::sequential_print_clearance_valid(const Print &print
}
}
struct print_instance_info print_info {&instance, convex_hull.bounding_box(), convex_hull};
print_info.height = instance.print_object->height();
print_instance_with_bounding_box.push_back(std::move(print_info));
convex_hulls_other.emplace_back(std::move(convex_hull));
}
@ -489,22 +494,104 @@ StringObjectException Print::sequential_print_clearance_valid(const Print &print
}
}
//sort the print instance
// calc sort order
double hc1 = scale_(print.config().extruder_clearance_height_to_lid); // height to lid
double hc2 = scale_(print.config().extruder_clearance_height_to_rod); // height to rod
double printable_height = scale_(print.config().printable_height);
auto bed_points = get_bed_shape(print_config);
float bed_width = bed_points[1].x() - bed_points[0].x();
// 如果扩大以后的多边形的距离小于这个值，就需要严格保证从左到右的打印顺序，否则会撞工具头右侧
float unsafe_dist = scale_(print_config.extruder_clearance_max_radius.value - print_config.extruder_clearance_radius.value);
struct VecHash
{
size_t operator()(const Vec2i &n1) const
{
return std::hash<coord_t>()(int(n1(0) * 100 + 100)) + std::hash<coord_t>()(int(n1(1) * 100 + 100)) * 101;
}
};
std::unordered_set<Vec2i, VecHash> left_right_pair; // pairs in this vector must strictly obey the left-right order
for (size_t i = 0; i < print_instance_with_bounding_box.size();i++) {
auto &inst = print_instance_with_bounding_box[i];
inst.index = i;
Point pt = inst.bounding_box.center();
inst.arrange_score = pt.x() / 2 + pt.y(); // we prefer print row-by-row, so cost on x-direction is smaller
}
for (size_t i = 0; i < print_instance_with_bounding_box.size(); i++) {
auto &inst = print_instance_with_bounding_box[i];
auto &l = print_instance_with_bounding_box[i];
for (size_t j = 0; j < print_instance_with_bounding_box.size(); j++) {
if (j != i) {
auto &r = print_instance_with_bounding_box[j];
auto ly1 = l.bounding_box.min.y();
auto ly2 = l.bounding_box.max.y();
auto ry1 = r.bounding_box.min.y();
auto ry2 = r.bounding_box.max.y();
auto lx1 = l.bounding_box.min.x();
auto rx1 = r.bounding_box.min.x();
auto lx2 = l.bounding_box.max.x();
auto rx2 = r.bounding_box.max.x();
auto inter_min = std::max(ly1, ry1);
auto inter_max = std::min(ly2, ry2);
auto inter_y = inter_max - inter_min;
inter_min = std::max(lx1, rx1);
inter_max = std::min(lx2, rx2);
auto inter_x = inter_max - inter_min;
// 如果y方向的重合超过轮廓的膨胀量，说明两个物体在一行，应该先打左边的物体，即先比较二者的x坐标。
if (inter_y > scale_(1)) {
if (std::max(rx1 - lx2, lx1 - rx2) < unsafe_dist) {
if (lx1 > rx1) {
left_right_pair.insert({j, i});
BOOST_LOG_TRIVIAL(debug) << "in-a-row, print_instance " << r.print_instance->model_instance->get_object()->name << "(" << r.arrange_score << ")"
<< " -> " << l.print_instance->model_instance->get_object()->name << "(" << l.arrange_score << ")";
} else {
left_right_pair.insert({i, j});
BOOST_LOG_TRIVIAL(debug) << "in-a-row, print_instance " << l.print_instance->model_instance->get_object()->name << "(" << l.arrange_score << ")"
<< " -> " << r.print_instance->model_instance->get_object()->name << "(" << r.arrange_score << ")";
}
}
}
if (l.height > hc1 && r.height < hc1) {
// 当前物体超过了顶盖高度，必须后打
left_right_pair.insert({j, i});
BOOST_LOG_TRIVIAL(debug) << "height>hc1, print_instance " << r.print_instance->model_instance->get_object()->name << "(" << r.arrange_score << ")"
<< " -> " << l.print_instance->model_instance->get_object()->name << "(" << l.arrange_score << ")";
}
else if (l.height > hc2 && l.height > r.height && l.arrange_score<r.arrange_score) {
// 如果当前物体的高度超过滑杆，且比r高，就给它加一点代价，尽量让高的物体后打（只有物体高度超过滑杆时才有必要按高度来）
l.arrange_score = std::max(l.arrange_score, r.arrange_score + bed_width/2);
BOOST_LOG_TRIVIAL(debug) << "height>hc2, print_instance " << inst.print_instance->model_instance->get_object()->name
<< ", right=" << r.print_instance->model_instance->get_object()->name << ", l.score: " << l.arrange_score
<< ", r.score: " << r.arrange_score;
}
}
}
}
BOOST_LOG_TRIVIAL(debug) << "bed width: " << bed_width << ", unsafe_dist:" << unsafe_dist;
// 多做几次代价传播，因为前一次有些值没有更新。
// TODO 更好的办法是建立一颗树，一步到位。不过我暂时没精力搞，先就这样吧
for (int k=0;k<5;k++)
for (auto p : left_right_pair) {
auto &l = print_instance_with_bounding_box[p(0)];
auto &r = print_instance_with_bounding_box[p(1)];
if(r.arrange_score<l.arrange_score)
r.arrange_score = l.arrange_score + bed_width/2;
}
for (auto p : left_right_pair) {
auto &l = print_instance_with_bounding_box[p(0)];
auto &r = print_instance_with_bounding_box[p(1)];
BOOST_LOG_TRIVIAL(debug) << "print_instance " << l.print_instance->model_instance->get_object()->name << "(" << l.arrange_score << ")"
<< " -> " << r.print_instance->model_instance->get_object()->name << "(" << r.arrange_score << ")";
}
// sort the print instance
std::sort(print_instance_with_bounding_box.begin(), print_instance_with_bounding_box.end(),
[](auto &l, auto &r) {
auto ly1 = l.bounding_box.min.y();
auto ly2 = l.bounding_box.max.y();
auto ry1 = r.bounding_box.min.y();
auto ry2 = r.bounding_box.max.y();
auto inter_min = std::max(ly1, ry1);
auto inter_max = std::min(ly2, ry2);
auto lx = l.bounding_box.min.x();
auto rx = r.bounding_box.min.x();
if (inter_max - inter_min > 0)
return (lx < rx) || ((lx == rx) && (ly1 < ry1));
else
return (ly1 < ry1);
});
[](print_instance_info& l, print_instance_info& r) {return l.arrange_score < r.arrange_score;});
for (auto &inst : print_instance_with_bounding_box)
BOOST_LOG_TRIVIAL(debug) << "after sorting print_instance " << inst.print_instance->model_instance->get_object()->name << ", score: " << inst.arrange_score
<< ", height:"<< inst.height;
// sequential_print_vertical_clearance_valid
{
@ -535,9 +622,6 @@ StringObjectException Print::sequential_print_clearance_valid(const Print &print
break;
}*/
double hc1 = scale_(print.config().extruder_clearance_height_to_lid);
double hc2 = scale_(print.config().extruder_clearance_height_to_rod);
double printable_height = scale_(print.config().printable_height);
// if objects are not overlapped on y-axis, they will not collide even if they are taller than extruder_clearance_height_to_rod
int print_instance_count = print_instance_with_bounding_box.size();
@ -545,7 +629,8 @@ StringObjectException Print::sequential_print_clearance_valid(const Print &print
for (int k = 0; k < print_instance_count; k++)
{
auto inst = print_instance_with_bounding_box[k].print_instance;
auto bbox = print_instance_with_bounding_box[k].bounding_box;
// 只需要考虑喷嘴到滑杆的偏移量，这个比整个工具头的碰撞半径要小得多
auto bbox = print_instance_with_bounding_box[k].bounding_box.inflated(-scale_(0.5 * print.config().extruder_clearance_radius.value));
auto iy1 = bbox.min.y();
auto iy2 = bbox.max.y();
(const_cast<ModelInstance*>(inst->model_instance))->arrange_order = k+1;