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Keep the CAD recipe in the one 3mf backend that actually runs

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Format/3mf.cpp also saved and loaded it, but nothing calls its store_3mf and
its load_3mf only sees files fingerprinted as PrusaSlicer's, which never carry
a recipe. Its round-trip test only exercised that dead loop. The BBS backend,
which every save and load goes through, is untouched.
This commit is contained in:
SoftFever
2026-08-31 18:31:37 +08:00
parent 493befecc5
commit 507b45431c
2 changed files with 10 additions and 103 deletions
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src/libslic3r/Format/3mf.cpp
-37
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@@ -73,10 +73,6 @@ const std::string THUMBNAIL_FILE = "Metadata/thumbnail.png";
const std::string PRINT_CONFIG_FILE = "Metadata/Slic3r_PE.config";
const std::string MODEL_CONFIG_FILE = "Metadata/Slic3r_PE_model.config";
const std::string LAYER_HEIGHTS_PROFILE_FILE = "Metadata/Slic3r_PE_layer_heights_profile.txt";
const std::string CAD_RECIPE_FILE = "Metadata/orca_cad.bin";
// Read-only: the recipe entry's pre-rename name. A reader that knows only the new one drops the
// feature tree of every project written before the move, without a word. Never written.
const std::string LEGACY_CAD_RECIPE_FILE = "Metadata/SnapOrca_cad.bin";
const std::string LAYER_CONFIG_RANGES_FILE = "Metadata/Prusa_Slicer_layer_config_ranges.xml";
const std::string SLA_SUPPORT_POINTS_FILE = "Metadata/Slic3r_PE_sla_support_points.txt";
const std::string SLA_DRAIN_HOLES_FILE = "Metadata/Slic3r_PE_sla_drain_holes.txt";
@@ -809,18 +805,6 @@ ModelVolumeType type_from_string(const std::string &s)
return false;
}
}
if (boost::algorithm::iequals(name, CAD_RECIPE_FILE)
|| boost::algorithm::iequals(name, LEGACY_CAD_RECIPE_FILE)) {
if (stat.m_uncomp_size > 0) {
std::string buffer((size_t)stat.m_uncomp_size, 0);
if (mz_zip_reader_extract_file_to_mem(&archive, stat.m_filename,
(void*)buffer.data(), (size_t)stat.m_uncomp_size, 0) != 0) {
model.cad_recipe = std::move(buffer);
} else {
add_error("Error while reading CAD recipe data");
}
}
}
}
}
@@ -2333,7 +2317,6 @@ ModelVolumeType type_from_string(const std::string &s)
bool _add_mesh_to_object_stream(mz_zip_writer_staged_context &context, ModelObject& object, VolumeToOffsetsMap& volumes_offsets);
bool _add_build_to_model_stream(std::stringstream& stream, const BuildItemsList& build_items);
bool _add_layer_height_profile_file_to_archive(mz_zip_archive& archive, Model& model);
bool _add_cad_recipe_file_to_archive(mz_zip_archive& archive, Model& model);
bool _add_layer_config_ranges_file_to_archive(mz_zip_archive& archive, Model& model);
bool _add_sla_support_points_file_to_archive(mz_zip_archive& archive, Model& model);
bool _add_sla_drain_holes_file_to_archive(mz_zip_archive& archive, Model& model);
@@ -2404,13 +2387,6 @@ ModelVolumeType type_from_string(const std::string &s)
return false;
}
// Adds CAD recipe file ("Metadata/orca_cad.bin").
if (!_add_cad_recipe_file_to_archive(archive, model)) {
close_zip_writer(&archive);
boost::filesystem::remove(filename);
return false;
}
// Adds layer config ranges file ("Metadata/Slic3r_PE_layer_config_ranges.txt").
// All layer height profiles of all ModelObjects are stored here, indexed by 1 based index of the ModelObject in Model.
// The index differes from the index of an object ID of an object instance of a 3MF file!
@@ -2943,19 +2919,6 @@ ModelVolumeType type_from_string(const std::string &s)
return true;
}
bool _3MF_Exporter::_add_cad_recipe_file_to_archive(mz_zip_archive& archive, Model& model)
{
if (model.cad_recipe.empty())
return true;
if (!mz_zip_writer_add_mem(&archive, CAD_RECIPE_FILE.c_str(),
(const void*)model.cad_recipe.data(), model.cad_recipe.length(),
MZ_DEFAULT_COMPRESSION)) {
add_error("Unable to add CAD recipe file to archive");
return false;
}
return true;
}
bool _3MF_Exporter::_add_layer_config_ranges_file_to_archive(mz_zip_archive& archive, Model& model)
{
std::string out = "";