diff options
| -rw-r--r-- | src/libslic3r/GCode.cpp | 21 | ||||
| -rw-r--r-- | t/multi.t | 4 |
2 files changed, 13 insertions, 12 deletions
diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp index cd0f8142d..37a14d42c 100644 --- a/src/libslic3r/GCode.cpp +++ b/src/libslic3r/GCode.cpp @@ -2811,17 +2811,16 @@ std::string GCode::set_extruder(unsigned int extruder_id, double print_z) gcode += m_ooze_prevention.pre_toolchange(*this); const std::string& toolchange_gcode = m_config.toolchange_gcode.value; - if (m_writer.extruder() != nullptr) { - // Process the custom toolchange_gcode. If it is empty, insert just a Tn command. - if (!toolchange_gcode.empty()) { - DynamicConfig config; - config.set_key_value("previous_extruder", new ConfigOptionInt((int)m_writer.extruder()->id())); - config.set_key_value("next_extruder", new ConfigOptionInt((int)extruder_id)); - config.set_key_value("layer_num", new ConfigOptionInt(m_layer_index)); - config.set_key_value("layer_z", new ConfigOptionFloat(print_z)); - gcode += placeholder_parser_process("toolchange_gcode", toolchange_gcode, extruder_id, &config); - check_add_eol(gcode); - } + + // Process the custom toolchange_gcode. If it is empty, insert just a Tn command. + if (!toolchange_gcode.empty()) { + DynamicConfig config; + config.set_key_value("previous_extruder", new ConfigOptionInt((int)(m_writer.extruder() != nullptr ? m_writer.extruder()->id() : -1 ))); + config.set_key_value("next_extruder", new ConfigOptionInt((int)extruder_id)); + config.set_key_value("layer_num", new ConfigOptionInt(m_layer_index)); + config.set_key_value("layer_z", new ConfigOptionFloat(print_z)); + gcode += placeholder_parser_process("toolchange_gcode", toolchange_gcode, extruder_id, &config); + check_add_eol(gcode); } // We inform the writer about what is happening, but we may not use the resulting gcode. @@ -25,7 +25,9 @@ use Slic3r::Test; $config->set('extruder_offset', [ [0,0], [20,0], [0,20], [20,20] ]); $config->set('temperature', [200, 180, 170, 160]); $config->set('first_layer_temperature', [206, 186, 166, 156]); - $config->set('toolchange_gcode', ';toolchange'); # test that it doesn't crash when this is supplied + $config->set('toolchange_gcode', 'T[next_extruder] ;toolchange'); # test that it doesn't crash when this is supplied + # Since July 2019, PrusaSlicer only emits automatic Tn command in case that the toolchange_gcode is empty + # The "T[next_extruder]" is therefore needed in this test. my $print = Slic3r::Test::init_print('20mm_cube', config => $config); |