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GCode.cpp: Update the 'current_extruder' placeholder even if filament start gcode is empty

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This commit is contained in:
Lukas Matena 2019-05-06 14:48:59 +02:00
parent 69f81120e0
commit cf3b992269
1 changed files with 2 additions and 1 deletions
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src/libslic3r/GCode.cpp
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@ -201,12 +201,13 @@ std::string WipeTowerIntegration::append_tcr(GCode &gcodegen, const WipeTower::T
// Let the m_writer know the current extruder_id, but ignore the generated G-code.
if (new_extruder_id >= 0 && gcodegen.writer().need_toolchange(new_extruder_id))
gcodegen.writer().toolchange(new_extruder_id);
gcodegen.placeholder_parser().set("current_extruder", new_extruder_id);
// Always append the filament start G-code even if the extruder did not switch,
// because the wipe tower resets the linear advance and we want it to be re-enabled.
const std::string &start_filament_gcode = gcodegen.config().start_filament_gcode.get_at(new_extruder_id);
if (! start_filament_gcode.empty()) {
// Process the start_filament_gcode for the active filament only.
gcodegen.placeholder_parser().set("current_extruder", new_extruder_id);
DynamicConfig config;
config.set_key_value("filament_extruder_id", new ConfigOptionInt(new_extruder_id));
gcode += gcodegen.placeholder_parser_process("start_filament_gcode", start_filament_gcode, new_extruder_id, &config);