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https://github.com/OrcaSlicer/OrcaSlicer.git
synced 2026-09-17 05:52:39 +00:00
Hanif Koh
9cca3093ee
The belt writer replaced the plate-offset-carrying writer mid-export, so belt G-code for any plate but the first kept the plate origin and long-travel clipping used the wrong frame. GCode now remembers the offset and hands it to the new writer, and the writer's first-layer probes use the plate-local point it emits.
78 lines
4.0 KiB
C++
78 lines
4.0 KiB
C++
#include "BeltGCode.hpp"
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#include "BeltGCodeWriter.hpp"
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#include "BeltTransform.hpp"
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#include "Print.hpp"
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namespace Slic3r {
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void BeltGCode::init_belt_writer(Print &print, bool is_bbl_printers)
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{
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if (!print.config().belt_printer.value)
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return;
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auto belt_writer = std::make_unique<BeltGCodeWriter>();
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belt_writer->set_is_bbl_machine(is_bbl_printers);
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// Axis remap and build volume max are set by base GCode after init_belt_writer returns.
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belt_writer->set_belt_back_transform(print.config());
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belt_writer->set_machine_frame_transform(print.config());
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belt_writer->set_xy_offset(m_gcode_offset.x(), m_gcode_offset.y());
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m_writer = std::move(belt_writer);
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}
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void BeltGCode::write_belt_header(GCodeOutputStream &file, const Print &print)
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{
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if (!print.config().belt_printer.value)
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return;
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const auto &full_cfg = print.full_print_config();
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// Slicing rotation: the belt tilt (axis + angle) and the single source of truth
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// for the physical tilt the G-code viewer uses to enable belt view.
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file.write_format("; belt_slice_rotation = %s\n", full_cfg.opt_serialize("belt_slice_rotation").c_str());
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file.write_format("; belt_slice_rotation_angle = %.1f\n", print.config().belt_slice_rotation_angle.value);
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file.write_format("; belt_slice_rotation_global = %d\n", print.config().belt_slice_rotation_global.value ? 1 : 0);
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// Pre-slice remap configs
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file.write_format("; preslice_remap_x = %s\n", full_cfg.opt_serialize("preslice_remap_x").c_str());
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file.write_format("; preslice_remap_y = %s\n", full_cfg.opt_serialize("preslice_remap_y").c_str());
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file.write_format("; preslice_remap_z = %s\n", full_cfg.opt_serialize("preslice_remap_z").c_str());
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file.write_format("; preslice_remap_global = %d\n", print.config().preslice_remap_global.value ? 1 : 0);
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file.write_format("; belt_preslice_global = %d\n", print.config().belt_preslice_global.value ? 1 : 0);
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// Machine-frame transform: shear (tan) + scale (1/cos) derived from the belt
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// tilt angle (or belt_frame_tilt_angle when decoupled).
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file.write_format("; belt_frame_tilt_decouple = %d\n", print.config().belt_frame_tilt_decouple.value ? 1 : 0);
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file.write_format("; belt_frame_tilt_angle = %.1f\n", print.config().belt_frame_tilt_angle.value);
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}
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void BeltGCode::on_set_origin(const PrintObject * /*obj*/, const Point & /*inst_shift*/)
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{
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// Global pre-slice mode: adjust origin using computed correction.
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// Transform the origin through the belt pipeline so that
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// back_transform(T * origin) = origin (correct machine position).
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//
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// Flags that trigger this path:
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// belt_preslice_global — full pipeline (rotation * remap) is global
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// preslice_remap_global — only the pre-slice remap is global
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// belt_slice_rotation_global — slicing rotation treated as global (matches
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// the per-instance Z-offset added in PrintObjectSlice.cpp)
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// The XY origin adjustment uses the FULL forward transform, because the
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// back_transform applied during G-code emission is always the inverse of
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// the full pipeline.
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bool use_global = m_config.belt_preslice_global.value
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|| (m_config.preslice_remap_global.value
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&& BeltTransformPipeline::has_preslice_remap(m_config))
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|| (m_config.belt_slice_rotation_global.value
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&& m_config.belt_slice_rotation.value != BeltRotationAxis::None
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&& std::abs(m_config.belt_slice_rotation_angle.value) > EPSILON);
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if (!use_global || !m_config.belt_printer.value)
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return;
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// Adjust origin: transform through belt forward pipeline so that
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// the back-transform correctly recovers model-space positions.
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Transform3d T = BeltTransformPipeline::build_forward_transform(m_config);
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Vec2d cur_origin = this->origin();
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Vec3d origin3d(cur_origin.x(), cur_origin.y(), 0.);
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Vec3d adjusted = T.linear() * origin3d;
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this->set_origin(Vec2d(adjusted.x(), adjusted.y()));
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}
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} // namespace Slic3r
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