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FIX: add to incorrect layer when adding pause 

1. Caused by floating-point precision.

github:#1937,#4250

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: If7a5dc71a898c1208289b6b89eafef9d4126f17c
This commit is contained in:
xun.zhang 2024-10-09 12:15:46 +08:00 committed by Lane.Wei
parent 8a279ef302
commit e3c8496a62
1 changed files with 34 additions and 35 deletions
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69
src/libslic3r/GCode/ToolOrdering.cpp
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@ -977,41 +977,40 @@ void ToolOrdering::assign_custom_gcodes(const Print &print)
// If printing on a single extruder machine, make the tool changes trigger color change (M600) events.
bool tool_changes_as_color_changes = mode == CustomGCode::SingleExtruder && model_mode == CustomGCode::MultiAsSingle;
// From the last layer to the first one:
for (auto it_lt = m_layer_tools.rbegin(); it_lt != m_layer_tools.rend(); ++ it_lt) {
LayerTools &lt = *it_lt;
// Add the extruders of the current layer to the set of extruders printing at and above this print_z.
for (unsigned int i : lt.extruders)
extruder_printing_above[i] = true;
// Skip all custom G-codes above this layer and skip all extruder switches.
for (; custom_gcode_it != custom_gcode_per_print_z.gcodes.rend() && (custom_gcode_it->print_z > lt.print_z + EPSILON || custom_gcode_it->type == CustomGCode::ToolChange); ++ custom_gcode_it);
if (custom_gcode_it == custom_gcode_per_print_z.gcodes.rend())
// Custom G-codes were processed.
break;
// Some custom G-code is configured for this layer or a layer below.
const CustomGCode::Item &custom_gcode = *custom_gcode_it;
// print_z of the layer below the current layer.
coordf_t print_z_below = 0.;
if (auto it_lt_below = it_lt; ++ it_lt_below != m_layer_tools.rend())
print_z_below = it_lt_below->print_z;
if (custom_gcode.print_z > print_z_below + 0.5 * EPSILON) {
// The custom G-code applies to the current layer.
bool color_change = custom_gcode.type == CustomGCode::ColorChange;
bool tool_change = custom_gcode.type == CustomGCode::ToolChange;
bool pause_or_custom_gcode = ! color_change && ! tool_change;
bool apply_color_change = ! ignore_tool_and_color_changes &&
// If it is color change, it will actually be useful as the exturder above will print.
// BBS
(color_change ?
mode == CustomGCode::SingleExtruder ||
(custom_gcode.extruder <= int(num_filaments) && extruder_printing_above[unsigned(custom_gcode.extruder - 1)]) :
tool_change && tool_changes_as_color_changes);
if (pause_or_custom_gcode || apply_color_change)
lt.custom_gcode = &custom_gcode;
// Consume that custom G-code event.
++ custom_gcode_it;
}
}
// take the half of the minimum layer height gap as episilon
double layer_height_episilon = std::numeric_limits<double>::max();
for (auto it_prev = m_layer_tools.begin(), it_next = std::next(m_layer_tools.begin()); it_next != m_layer_tools.end(); it_prev = it_next, ++it_next)
layer_height_episilon = std::min(layer_height_episilon, it_next->print_z - it_prev->print_z);
layer_height_episilon *= 0.5;
auto it_lt = m_layer_tools.rbegin();
for (auto custom_gcode_it = custom_gcode_per_print_z.gcodes.rbegin(); custom_gcode_it != custom_gcode_per_print_z.gcodes.rend(); ++custom_gcode_it) {
if (custom_gcode_it->type == CustomGCode::ToolChange)
continue;
for (; it_lt != m_layer_tools.rend(); ++it_lt) {
for (unsigned int i : it_lt->extruders)
extruder_printing_above[i] = true;
if (std::abs(it_lt->print_z - custom_gcode_it->print_z) < layer_height_episilon) {
const CustomGCode::Item &custom_gcode = *custom_gcode_it;
// The custom G-code applies to the current layer.
bool color_change = custom_gcode.type == CustomGCode::ColorChange;
bool tool_change = custom_gcode.type == CustomGCode::ToolChange;
bool pause_or_custom_gcode = ! color_change && ! tool_change;
bool apply_color_change = ! ignore_tool_and_color_changes &&
// If it is color change, it will actually be useful as the exturder above will print.
// BBS
(color_change ?
mode == CustomGCode::SingleExtruder ||
(custom_gcode.extruder <= int(num_filaments) && extruder_printing_above[unsigned(custom_gcode.extruder - 1)]) :
tool_change && tool_changes_as_color_changes);
if (pause_or_custom_gcode || apply_color_change)
it_lt->custom_gcode = &custom_gcode;
++it_lt;
break;
}
}
}
}
const LayerTools& ToolOrdering::tools_for_layer(coordf_t print_z) const