3DPrinting/PrusaSlicer-NonPlainar
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SPE-1649 - Fixed crash in G-code post processor calculating the preheat / cooldown positions

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This commit is contained in:
enricoturri1966 2023-04-06 15:35:14 +02:00
parent 83a2dc3b5a
commit 99f3a3d54f
4 changed files with 23 additions and 2 deletions
src/libslic3r/GCode
GCodeProcessor.cpp

16
src/libslic3r/GCode/GCodeProcessor.cpp
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@ -3384,7 +3384,7 @@ void GCodeProcessor::process_T(const std::string_view command)
if (m_extruder_id != id) {
if (((m_producer == EProducer::PrusaSlicer || m_producer == EProducer::Slic3rPE || m_producer == EProducer::Slic3r) && id >= m_result.extruders_count) ||
((m_producer != EProducer::PrusaSlicer && m_producer != EProducer::Slic3rPE && m_producer != EProducer::Slic3r) && id >= m_result.extruder_colors.size()))
BOOST_LOG_TRIVIAL(error) << "GCodeProcessor encountered an invalid toolchange, maybe from a custom gcode.";
BOOST_LOG_TRIVIAL(error) << "GCodeProcessor encountered an invalid toolchange, maybe from a custom gcode (" << command << ").";
else {
unsigned char old_extruder_id = m_extruder_id;
process_filaments(CustomGCode::ToolChange);
@ -3984,13 +3984,25 @@ void GCodeProcessor::post_process()
#if ENABLE_GCODE_POSTPROCESS_BACKTRACE
// add lines XXX to exported gcode
auto process_line_T = [this, &export_lines](const std::string& gcode_line, const size_t g1_lines_counter, const ExportLines::Backtrace& backtrace) {
auto process_line_T = [this, &export_lines](const std::string& gcode_line, const size_t g1_lines_counter, const ExportLines::Backtrace& backtrace) {
const std::string cmd = GCodeReader::GCodeLine::extract_cmd(gcode_line);
if (cmd.size() >= 2) {
std::stringstream ss(cmd.substr(1));
int tool_number = -1;
ss >> tool_number;
if (tool_number != -1)
if (tool_number < 0 || (int)m_extruder_temps_config.size() <= tool_number) {
// found an invalid value, clamp it to a valid one
tool_number = std::clamp<int>(0, m_extruder_temps_config.size() - 1, tool_number);
// emit warning
std::string warning = _u8L("GCode Post-Processor encountered an invalid toolchange, maybe from a custom gcode:");
warning += "\n> ";
warning += gcode_line;
warning += _u8L("Generated M104 lines may be incorrect.");
BOOST_LOG_TRIVIAL(error) << warning;
if (m_print != nullptr)
m_print->active_step_add_warning(PrintStateBase::WarningLevel::CRITICAL, warning);
}
export_lines.insert_lines(backtrace, cmd,
// line inserter
[tool_number, this](unsigned int id, float time, float time_diff) {