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ENH: Optimize and design the time-lapse wiper tower

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Multiplex existing wipe tower and revert old time-lapse wipe tower code

Change-Id: Ia1cba9808647ea900f691b2c5d5887077be12d89
(cherry picked from commit 61f41df572d11b7cc738c34f2624fd123cd9a6df)
This commit is contained in:
zhimin.zeng 2022-08-15 14:41:28 +08:00 • committed by Lane.Wei
parent a26c573b1b
commit f745c5fea2
21 changed files with 172 additions and 183 deletions
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32
src/libslic3r/GCode.cpp
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@ -553,23 +553,30 @@ bool GCode::gcode_label_objects = false;
std::string WipeTowerIntegration::tool_change(GCode& gcodegen, int extruder_id, bool finish_layer)
{
std::string gcode;
// Calculate where the wipe tower layer will be printed. -1 means that print z will not change,
// resulting in a wipe tower with sparse layers.
double wipe_tower_z = -1;
bool ignore_sparse = false;
if (gcodegen.config().wipe_tower_no_sparse_layers.value) {
wipe_tower_z = m_last_wipe_tower_print_z;
ignore_sparse = (m_tool_changes[m_layer_idx].size() == 1 && m_tool_changes[m_layer_idx].front().initial_tool == m_tool_changes[m_layer_idx].front().new_tool);
if (m_tool_change_idx == 0 && !ignore_sparse)
wipe_tower_z = m_last_wipe_tower_print_z + m_tool_changes[m_layer_idx].front().layer_height;
}
if (m_enable_timelapse_print && m_is_first_print) {
gcode += append_tcr(gcodegen, m_tool_changes[m_layer_idx][0], m_tool_changes[m_layer_idx][0].new_tool, wipe_tower_z);
m_tool_change_idx++;
m_is_first_print = false;
}
assert(m_layer_idx >= 0);
if (gcodegen.writer().need_toolchange(extruder_id) || finish_layer) {
if (m_layer_idx < (int)m_tool_changes.size()) {
if (!(size_t(m_tool_change_idx) < m_tool_changes[m_layer_idx].size()))
throw Slic3r::RuntimeError("Wipe tower generation failed, possibly due to empty first layer.");
// Calculate where the wipe tower layer will be printed. -1 means that print z will not change,
// resulting in a wipe tower with sparse layers.
double wipe_tower_z = -1;
bool ignore_sparse = false;
if (gcodegen.config().wipe_tower_no_sparse_layers.value) {
wipe_tower_z = m_last_wipe_tower_print_z;
ignore_sparse = (m_tool_changes[m_layer_idx].size() == 1 && m_tool_changes[m_layer_idx].front().initial_tool == m_tool_changes[m_layer_idx].front().new_tool);
if (m_tool_change_idx == 0 && !ignore_sparse)
wipe_tower_z = m_last_wipe_tower_print_z + m_tool_changes[m_layer_idx].front().layer_height;
}
if (!ignore_sparse) {
gcode += append_tcr(gcodegen, m_tool_changes[m_layer_idx][m_tool_change_idx++], extruder_id, wipe_tower_z);
m_last_wipe_tower_print_z = wipe_tower_z;
@ -2781,6 +2788,9 @@ GCode::LayerResult GCode::process_layer(
}
} // for objects
if (m_wipe_tower)
m_wipe_tower->set_is_first_print(true);
// Extrude the skirt, brim, support, perimeters, infill ordered by the extruders.
std::vector<std::unique_ptr<EdgeGrid::Grid>> lower_layer_edge_grids(layers.size());
for (unsigned int extruder_id : layer_tools.extruders)