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FIX: sort extruders for minimal flush volume 

Change-Id: Idf96e10ae5a8809a689c80e38611a14dbb108f0a
(cherry picked from commit cbfa3f17807313b7120e19e5f30836fb49d36b55)
This commit is contained in:
zhimin.zeng 2022-09-15 15:46:21 +08:00 committed by Lane.Wei
parent 9f74ea5763
commit 46a0e67be7
1 changed files with 41 additions and 0 deletions
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41
src/libslic3r/Print.cpp
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@ -38,6 +38,44 @@ PrintRegion::PrintRegion(PrintRegionConfig &&config) : PrintRegion(std::move(con
//BBS
float Print::min_skirt_length = 0;
void dfs_get_all_sorted_extruders(const std::vector<std::vector<float>>& wipe_volumes,
const std::vector<unsigned int>& all_extruders,
std::vector<unsigned int> & sorted_extruders,
float flush_volume,
std::map<float, std::vector<unsigned int>> & volumes_to_extruder_order)
{
if (sorted_extruders.size() == all_extruders.size()) {
volumes_to_extruder_order.insert(std::pair(flush_volume, sorted_extruders));
}
for (auto extruder_id : all_extruders) {
auto itor = std::find(sorted_extruders.begin(), sorted_extruders.end(), extruder_id);
if (itor == sorted_extruders.end()) {
float delta_flush_volume = wipe_volumes[sorted_extruders.back()][extruder_id];
flush_volume += delta_flush_volume;
sorted_extruders.push_back(extruder_id);
dfs_get_all_sorted_extruders(wipe_volumes, all_extruders, sorted_extruders, flush_volume, volumes_to_extruder_order);
flush_volume -= delta_flush_volume;
sorted_extruders.pop_back();
}
}
}
std::vector<unsigned int> get_extruders_order(const std::vector<std::vector<float>> &wipe_volumes,
std::vector<unsigned int> all_extruders,
unsigned int start_extruder_id)
{
std::vector<unsigned int> sorted_extruders;
sorted_extruders.push_back(start_extruder_id);
std::map<float, std::vector<unsigned int>> volumes_to_extruder_order;
if (all_extruders.size() > 1) {
dfs_get_all_sorted_extruders(wipe_volumes, all_extruders, sorted_extruders, 0, volumes_to_extruder_order);
if(volumes_to_extruder_order.size() > 0)
return volumes_to_extruder_order.begin()->second;
}
return all_extruders;
}
void Print::clear()
{
std::scoped_lock<std::mutex> lock(this->state_mutex());
@ -1846,6 +1884,9 @@ void Print::_make_wipe_tower()
if (!layer_tools.has_wipe_tower) continue;
bool first_layer = &layer_tools == &m_wipe_tower_data.tool_ordering.front();
wipe_tower.plan_toolchange((float)layer_tools.print_z, (float)layer_tools.wipe_tower_layer_height, current_extruder_id, current_extruder_id, false);
layer_tools.extruders = get_extruders_order(wipe_volumes, layer_tools.extruders, current_extruder_id);
for (const auto extruder_id : layer_tools.extruders) {
// BBS: priming logic is removed, so no need to do toolchange for first extruder
if (/*(first_layer && extruder_id == m_wipe_tower_data.tool_ordering.all_extruders().back()) || */extruder_id != current_extruder_id) {