ccb7416a6d
Enhance backward compatibility for filament extruder variants in 3MF project files Fix crashes when loading old 3MF project
926 B
Analyze the bug that it failed to load project(3mf) from old version. It failed pass below check in PresetBundle::load_config_file_config function, hence throw error. if (config.option("extruder_variant_list")) { //3mf support multiple extruder logic size_t extruder_count = config.option("nozzle_diameter")->values.size(); extruder_variant_count = config.option("filament_extruder_variant", true)->size(); if ((extruder_variant_count != filament_self_indice.size()) || (extruder_variant_count < num_filaments)) { assert(false); 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; throw Slic3r::RuntimeError(std::string("Invalid configuration file: ") + name_or_path); }