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ccb7416a6d
Enhance backward compatibility for filament extruder variants in 3MF project files Fix crashes when loading old 3MF project
12 lines
No EOL
926 B
Markdown
12 lines
No EOL
926 B
Markdown
Analyze the bug that it failed to load project(3mf) from old version.
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It failed pass below check in PresetBundle::load_config_file_config function, hence throw error.
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if (config.option("extruder_variant_list")) {
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//3mf support multiple extruder logic
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size_t extruder_count = config.option<ConfigOptionFloats>("nozzle_diameter")->values.size();
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extruder_variant_count = config.option<ConfigOptionStrings>("filament_extruder_variant", true)->size();
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if ((extruder_variant_count != filament_self_indice.size())
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|| (extruder_variant_count < num_filaments)) {
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assert(false);
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BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << boost::format(": invalid config file %1%, can not find suitable filament_extruder_variant or filament_self_index") % name_or_path;
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throw Slic3r::RuntimeError(std::string("Invalid configuration file: ") + name_or_path);
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} |