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Fix post-slice self-invalidation on custom multi-extruder printers

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This commit is contained in:
SoftFever
2026-07-27 00:25:59 +08:00
parent 7a378d2fc4
commit bc016af1c9
6 changed files with 240 additions and 10 deletions
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40
src/libslic3r/PrintConfig.cpp
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@@ -10495,6 +10495,44 @@ int DynamicPrintConfig::get_extruder_nozzle_volume_count(int extruder_count, std
return count;
}
// Orca: BBL system profiles ship full-width print_extruder_id/print_extruder_variant columns, but
// custom multi-extruder printers only ever get the machine-scope columns synthesized for them (see
// extend_extruder_variant); the process scope keeps the length-1 defaults, both in presets and in
// 3mf project configs. Expanding with that degenerate map makes every per-extruder lookup fail, and
// because both keys are themselves in print_options_with_variant, the expansion then latches a
// full-width-but-wrong [1,1,...] map that also defeats the generated_extruder_id fallback in
// get_index_for_extruder. Synthesize the process columns from the printer's extruder_variant_list
// (same token walk as extend_extruder_variant) before expanding.
static void ensure_process_variant_columns(DynamicPrintConfig &config, const DynamicPrintConfig &printer_config)
{
auto id_opt = dynamic_cast<ConfigOptionInts *>(config.option("print_extruder_id"));
auto variant_opt = dynamic_cast<ConfigOptionStrings *>(config.option("print_extruder_variant"));
auto list_opt = dynamic_cast<const ConfigOptionStrings *>(printer_config.option("extruder_variant_list"));
if (!id_opt || !variant_opt || !list_opt)
return;
if (id_opt->values.size() != 1 || variant_opt->values.size() != 1)
return;
std::vector<int> ids;
std::vector<std::string> variants;
for (int i = 0; i < int(list_opt->values.size()); ++i) {
std::vector<std::string> tokens;
boost::split(tokens, list_opt->get_at(i), boost::is_any_of(","), boost::token_compress_on);
for (std::string &token : tokens) {
boost::trim(token);
if (token.empty())
continue;
ids.push_back(i + 1);
variants.push_back(token);
}
}
// A single column is the legitimate single-extruder layout, not a degenerate one.
if (ids.size() <= 1)
return;
id_opt->values = std::move(ids);
variant_opt->values = std::move(variants);
}
std::vector<int> DynamicPrintConfig::update_values_to_printer_extruders(DynamicPrintConfig& printer_config, int extruder_count, int extruder_nozzle_volume_count, std::vector<std::vector<NozzleVolumeType>>& nv_types,
std::set<std::string>& key_set, std::string id_name, std::string variant_name, unsigned int stride, unsigned int extruder_id, NozzleVolumeType filament_nvt)
{
@@ -10536,6 +10574,8 @@ std::vector<int> DynamicPrintConfig::update_values_to_printer_extruders(DynamicP
variant_count = 1;
}
else {
if (id_name == "print_extruder_id")
ensure_process_variant_columns(*this, printer_config);
// Orca: emit the slots first, then size variant_count from what was actually
// emitted. extruder_nozzle_volume_count only equals the emitted total when every
// extruder carries per-type stats; an extruder with an empty stats entry combined