WIP: Duplicated the FDM support gizmo for the MMU segmentation

1 files changed, 17 insertions, 1 deletions

diff --git a/src/libslic3r/Format/3mf.cpp b/src/libslic3r/Format/3mf.cpp
index 152d72079..631f4769c 100644
--- a/src/libslic3r/Format/3mf.cpp
+++ b/src/libslic3r/Format/3mf.cpp
@@ -95,6 +95,7 @@ static constexpr const char* PRINTABLE_ATTR = "printable";
 static constexpr const char* INSTANCESCOUNT_ATTR = "instances_count";
 static constexpr const char* CUSTOM_SUPPORTS_ATTR = "slic3rpe:custom_supports";
 static constexpr const char* CUSTOM_SEAM_ATTR = "slic3rpe:custom_seam";
+static constexpr const char* MMU_SEGMENTATION_ATTR = "slic3rpe:mmu_segmentation";
 
 static constexpr const char* KEY_ATTR = "key";
 static constexpr const char* VALUE_ATTR = "value";
@@ -289,6 +290,7 @@ namespace Slic3r {
             std::vector<unsigned int> triangles;
             std::vector<std::string> custom_supports;
             std::vector<std::string> custom_seam;
+            std::vector<std::string> mmu_segmentation;
 
             bool empty() { return vertices.empty() || triangles.empty(); }
 
@@ -297,6 +299,7 @@ namespace Slic3r {
                 triangles.clear();
                 custom_supports.clear();
                 custom_seam.clear();
+                mmu_segmentation.clear();
             }
         };
 
@@ -1564,6 +1567,7 @@ namespace Slic3r {
 
         m_curr_object.geometry.custom_supports.push_back(get_attribute_value_string(attributes, num_attributes, CUSTOM_SUPPORTS_ATTR));
         m_curr_object.geometry.custom_seam.push_back(get_attribute_value_string(attributes, num_attributes, CUSTOM_SEAM_ATTR));
+        m_curr_object.geometry.mmu_segmentation.push_back(get_attribute_value_string(attributes, num_attributes, MMU_SEGMENTATION_ATTR));
         return true;
     }
 
@@ -1888,15 +1892,18 @@ namespace Slic3r {
                 volume->source.transform = Slic3r::Geometry::Transformation(volume_matrix_to_object);
             volume->calculate_convex_hull();
 
-            // recreate custom supports and seam from previously loaded attribute
+            // recreate custom supports, seam and mmu segmentation from previously loaded attribute
             for (unsigned i=0; i<triangles_count; ++i) {
                 size_t index = src_start_id/3 + i;
                 assert(index < geometry.custom_supports.size());
                 assert(index < geometry.custom_seam.size());
+                assert(index < geometry.mmu_segmentation.size());
                 if (! geometry.custom_supports[index].empty())
                     volume->supported_facets.set_triangle_from_string(i, geometry.custom_supports[index]);
                 if (! geometry.custom_seam[index].empty())
                     volume->seam_facets.set_triangle_from_string(i, geometry.custom_seam[index]);
+                if (! geometry.mmu_segmentation[index].empty())
+                    volume->mmu_segmentation_facets.set_triangle_from_string(i, geometry.mmu_segmentation[index]);
             }
 
 
@@ -2530,6 +2537,15 @@ namespace Slic3r {
                     output_buffer += "\"";
                 }
 
+                std::string mmu_painting_data_string = volume->mmu_segmentation_facets.get_triangle_as_string(i);
+                if (! mmu_painting_data_string.empty()) {
+                    output_buffer += " ";
+                    output_buffer += MMU_SEGMENTATION_ATTR;
+                    output_buffer += "=\"";
+                    output_buffer += mmu_painting_data_string;
+                    output_buffer += "\"";
+                }
+
                 output_buffer += "/>\n";
 
                 if (! flush())