Fix aligned seam when sequential printing is enabled

prusa3d · Feb 22, 2021 · bd2cbea · bd2cbea
1 parent 613f961
commit bd2cbea
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/libslic3r/GCode/SeamPlacer.cpp b/src/libslic3r/GCode/SeamPlacer.cpp
@@ -786,16 +786,16 @@ void SeamPlacer::apply_custom_seam(const Polygon& polygon, size_t po_idx,
 
 std::optional<Point> SeamHistory::get_last_seam(const PrintObject* po, size_t layer_id, const BoundingBox& island_bb)
 {
- assert(layer_id >= m_layer_id);
- if (layer_id > m_layer_id) {
+ assert(layer_id >= m_layer_id || layer_id == 0);
+ if (layer_id != m_layer_id) {
  // Get seam was called for different layer than last time.
+ if (layer_id == 0) // seq printing
+ m_data_this_layer.clear();
  m_data_last_layer = m_data_this_layer;
  m_data_this_layer.clear();
  m_layer_id = layer_id;
  }
 
-
-
  std::optional<Point> out;
 
  auto seams_it = m_data_last_layer.find(po);