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Add the full source of BambuStudio

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using version 1.0.10
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lane.wei 2022-07-15 23:37:19 +08:00 • committed by Lane.Wei
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src/libslic3r/GCode/WipeTower.hpp Normal file
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#ifndef WipeTower_
#define WipeTower_
#include <cmath>
#include <string>
#include <sstream>
#include <utility>
#include <algorithm>
#include "libslic3r/Point.hpp"
namespace Slic3r
{
class WipeTowerWriter;
class PrintConfig;
enum GCodeFlavor : unsigned char;
class WipeTower
{
public:
static const std::string never_skip_tag() { return "_GCODE_WIPE_TOWER_NEVER_SKIP_TAG"; }
// WipeTower height to minimum depth map
static const std::map<float, float> min_depth_per_height;
struct Extrusion
{
Extrusion(const Vec2f &pos, float width, unsigned int tool) : pos(pos), width(width), tool(tool) {}
// End position of this extrusion.
Vec2f pos;
// Width of a squished extrusion, corrected for the roundings of the squished extrusions.
// This is left zero if it is a travel move.
float width;
// Current extruder index.
unsigned int tool;
};
struct ToolChangeResult
{
// Print heigh of this tool change.
float print_z;
float layer_height;
// G-code section to be directly included into the output G-code.
std::string gcode;
// For path preview.
std::vector<Extrusion> extrusions;
// Initial position, at which the wipe tower starts its action.
// At this position the extruder is loaded and there is no Z-hop applied.
Vec2f start_pos;
// Last point, at which the normal G-code generator of Slic3r shall continue.
// At this position the extruder is loaded and there is no Z-hop applied.
Vec2f end_pos;
// Time elapsed over this tool change.
// This is useful not only for the print time estimation, but also for the control of layer cooling.
float elapsed_time;
// Is this a priming extrusion? (If so, the wipe tower rotation & translation will not be applied later)
bool priming;
// Pass a polyline so that normal G-code generator can do a wipe for us.
// The wipe cannot be done by the wipe tower because it has to pass back
// a loaded extruder, so it would have to either do a wipe with no retraction
// (leading to https://github.com/prusa3d/PrusaSlicer/issues/2834) or do
// an extra retraction-unretraction pair.
std::vector<Vec2f> wipe_path;
// BBS
float purge_volume = 0.f;
// Initial tool
int initial_tool;
// New tool
int new_tool;
// BBS: in bbl filament_change_gcode, toolhead will be moved to the wipe tower automatically.
// But if finish_layer_tcr is before tool_change_tcr, we have to travel to the wipe tower before
// executing the gcode finish_layer_tcr.
bool is_finish_first = false;
// Sum the total length of the extrusion.
float total_extrusion_length_in_plane() {
float e_length = 0.f;
for (size_t i = 1; i < this->extrusions.size(); ++ i) {
const Extrusion &e = this->extrusions[i];
if (e.width > 0) {
Vec2f v = e.pos - (&e - 1)->pos;
e_length += v.norm();
}
}
return e_length;
}
};
struct box_coordinates
{
box_coordinates(float left, float bottom, float width, float height) :
ld(left , bottom ),
lu(left , bottom + height),
rd(left + width, bottom ),
ru(left + width, bottom + height) {}
box_coordinates(const Vec2f &pos, float width, float height) : box_coordinates(pos(0), pos(1), width, height) {}
void translate(const Vec2f &shift) {
ld += shift; lu += shift;
rd += shift; ru += shift;
}
void translate(const float dx, const float dy) { translate(Vec2f(dx, dy)); }
void expand(const float offset) {
ld += Vec2f(- offset, - offset);
lu += Vec2f(- offset, offset);
rd += Vec2f( offset, - offset);
ru += Vec2f( offset, offset);
}
void expand(const float offset_x, const float offset_y) {
ld += Vec2f(- offset_x, - offset_y);
lu += Vec2f(- offset_x, offset_y);
rd += Vec2f( offset_x, - offset_y);
ru += Vec2f( offset_x, offset_y);
}
Vec2f ld; // left down
Vec2f lu; // left upper
Vec2f rd; // right lower
Vec2f ru; // right upper
};
// Construct ToolChangeResult from current state of WipeTower and WipeTowerWriter.
// WipeTowerWriter is moved from !
ToolChangeResult construct_tcr(WipeTowerWriter& writer,
bool priming,
size_t old_tool,
bool is_finish,
float purge_volume) const;
// x -- x coordinates of wipe tower in mm ( left bottom corner )
// y -- y coordinates of wipe tower in mm ( left bottom corner )
// width -- width of wipe tower in mm ( default 60 mm - leave as it is )
// wipe_area -- space available for one toolchange in mm
// BBS: add partplate logic
WipeTower(const PrintConfig& config, int plate_idx, Vec3d plate_origin, const float wipe_volume, size_t initial_tool, const float wipe_tower_height);
// Set the extruder properties.
void set_extruder(size_t idx, const PrintConfig& config);
// Appends into internal structure m_plan containing info about the future wipe tower
// to be used before building begins. The entries must be added ordered in z.
void plan_toolchange(float z_par, float layer_height_par, unsigned int old_tool, unsigned int new_tool, float wipe_volume = 0.f, float prime_volume = 0.f);
// Iterates through prepared m_plan, generates ToolChangeResults and appends them to "result"
void generate(std::vector<std::vector<ToolChangeResult>> &result);
float get_depth() const { return m_wipe_tower_depth; }
float get_brim_width() const { return m_wipe_tower_brim_width_real; }
// Switch to a next layer.
void set_layer(
// Print height of this layer.
float print_z,
// Layer height, used to calculate extrusion the rate.
float layer_height,
// Maximum number of tool changes on this layer or the layers below.
size_t max_tool_changes,
// Is this the first layer of the print? In that case print the brim first.
bool is_first_layer,
// Is this the last layer of the waste tower?
bool is_last_layer)
{
m_z_pos = print_z;
m_layer_height = layer_height;
m_depth_traversed = 0.f;
m_current_layer_finished = false;
//m_current_shape = (! is_first_layer && m_current_shape == SHAPE_NORMAL) ? SHAPE_REVERSED : SHAPE_NORMAL;
m_current_shape = SHAPE_NORMAL;
if (is_first_layer) {
m_num_layer_changes = 0;
m_num_tool_changes = 0;
} else
++ m_num_layer_changes;
// Calculate extrusion flow from desired line width, nozzle diameter, filament diameter and layer_height:
m_extrusion_flow = extrusion_flow(layer_height);
// Advance m_layer_info iterator, making sure we got it right
while (!m_plan.empty() && m_layer_info->z < print_z - WT_EPSILON && m_layer_info+1 != m_plan.end())
++m_layer_info;
}
// Return the wipe tower position.
const Vec2f& position() const { return m_wipe_tower_pos; }
// Return the wipe tower width.
float width() const { return m_wipe_tower_width; }
// The wipe tower is finished, there should be no more tool changes or wipe tower prints.
bool finished() const { return m_max_color_changes == 0; }
// Returns gcode to prime the nozzles at the front edge of the print bed.
std::vector<ToolChangeResult> prime(
// print_z of the first layer.
float initial_layer_print_height,
// Extruder indices, in the order to be primed. The last extruder will later print the wipe tower brim, print brim and the object.
const std::vector<unsigned int> &tools,
// If true, the last priming are will be the same as the other priming areas, and the rest of the wipe will be performed inside the wipe tower.
// If false, the last priming are will be large enough to wipe the last extruder sufficiently.
bool last_wipe_inside_wipe_tower);
// Returns gcode for a toolchange and a final print head position.
// On the first layer, extrude a brim around the future wipe tower first.
// BBS
ToolChangeResult tool_change(size_t new_tool, bool extrude_perimeter = false);
// Fill the unfilled space with a sparse infill.
// Call this method only if layer_finished() is false.
ToolChangeResult finish_layer(bool extruder_perimeter = true);
// Is the current layer finished?
bool layer_finished() const {
return m_current_layer_finished;
}
std::vector<float> get_used_filament() const { return m_used_filament_length; }
int get_number_of_toolchanges() const { return m_num_tool_changes; }
struct FilamentParameters {
std::string material = "PLA";
bool is_soluble = false;
// BBS
bool is_support = false;
int nozzle_temperature = 0;
int nozzle_temperature_initial_layer = 0;
// BBS: remove useless config
//float loading_speed = 0.f;
//float loading_speed_start = 0.f;
//float unloading_speed = 0.f;
//float unloading_speed_start = 0.f;
//float delay = 0.f ;
//int cooling_moves = 0;
//float cooling_initial_speed = 0.f;
//float cooling_final_speed = 0.f;
float ramming_line_width_multiplicator = 1.f;
float ramming_step_multiplicator = 1.f;
float max_e_speed = std::numeric_limits<float>::max();
std::vector<float> ramming_speed;
float nozzle_diameter;
float filament_area;
};
private:
enum wipe_shape // A fill-in direction
{
SHAPE_NORMAL = 1,
SHAPE_REVERSED = -1
};
const float Width_To_Nozzle_Ratio = 1.25f; // desired line width (oval) in multiples of nozzle diameter - may not be actually neccessary to adjust
const float WT_EPSILON = 1e-3f;
float filament_area() const {
return m_filpar[0].filament_area; // all extruders are assumed to have the same filament diameter at this point
}
bool m_semm = true; // Are we using a single extruder multimaterial printer?
Vec2f m_wipe_tower_pos; // Left front corner of the wipe tower in mm.
float m_wipe_tower_width; // Width of the wipe tower.
float m_wipe_tower_depth = 0.f; // Depth of the wipe tower
// BBS
float m_wipe_tower_height = 0.f;
float m_wipe_tower_brim_width = 0.f; // Width of brim (mm) from config
float m_wipe_tower_brim_width_real = 0.f; // Width of brim (mm) after generation
float m_wipe_tower_rotation_angle = 0.f; // Wipe tower rotation angle in degrees (with respect to x axis)
float m_internal_rotation = 0.f;
float m_y_shift = 0.f; // y shift passed to writer
float m_z_pos = 0.f; // Current Z position.
float m_layer_height = 0.f; // Current layer height.
size_t m_max_color_changes = 0; // Maximum number of color changes per layer.
int m_old_temperature = -1; // To keep track of what was the last temp that we set (so we don't issue the command when not neccessary)
float m_travel_speed = 0.f;
float m_first_layer_speed = 0.f;
size_t m_first_layer_idx = size_t(-1);
// G-code generator parameters.
// BBS: remove useless config
//float m_cooling_tube_retraction = 0.f;
//float m_cooling_tube_length = 0.f;
//float m_parking_pos_retraction = 0.f;
//float m_extra_loading_move = 0.f;
float m_bridging = 0.f;
bool m_no_sparse_layers = false;
// BBS: remove useless config
//bool m_set_extruder_trimpot = false;
bool m_adhesion = true;
GCodeFlavor m_gcode_flavor;
// Bed properties
enum {
RectangularBed,
CircularBed,
CustomBed
} m_bed_shape;
float m_bed_width; // width of the bed bounding box
Vec2f m_bed_bottom_left; // bottom-left corner coordinates (for rectangular beds)
float m_perimeter_width = 0.4f * Width_To_Nozzle_Ratio; // Width of an extrusion line, also a perimeter spacing for 100% infill.
float m_extrusion_flow = 0.038f; //0.029f;// Extrusion flow is derived from m_perimeter_width, layer height and filament diameter.
// Extruder specific parameters.
std::vector<FilamentParameters> m_filpar;
// State of the wipe tower generator.
unsigned int m_num_layer_changes = 0; // Layer change counter for the output statistics.
unsigned int m_num_tool_changes = 0; // Tool change change counter for the output statistics.
///unsigned int m_idx_tool_change_in_layer = 0; // Layer change counter in this layer. Counting up to m_max_color_changes.
bool m_print_brim = true;
// A fill-in direction (positive Y, negative Y) alternates with each layer.
wipe_shape m_current_shape = SHAPE_NORMAL;
size_t m_current_tool = 0;
// BBS
//const std::vector<std::vector<float>> wipe_volumes;
const float m_wipe_volume;
float m_depth_traversed = 0.f; // Current y position at the wipe tower.
bool m_current_layer_finished = false;
bool m_left_to_right = true;
float m_extra_spacing = 1.f;
bool is_first_layer() const { return size_t(m_layer_info - m_plan.begin()) == m_first_layer_idx; }
// Calculates extrusion flow needed to produce required line width for given layer height
float extrusion_flow(float layer_height = -1.f) const // negative layer_height - return current m_extrusion_flow
{
if ( layer_height < 0 )
return m_extrusion_flow;
return layer_height * ( m_perimeter_width - layer_height * (1.f-float(M_PI)/4.f)) / filament_area();
}
// Calculates length of extrusion line to extrude given volume
float volume_to_length(float volume, float line_width, float layer_height) const {
return std::max(0.f, volume / (layer_height * (line_width - layer_height * (1.f - float(M_PI) / 4.f))));
}
// Calculates depth for all layers and propagates them downwards
void plan_tower();
// Goes through m_plan and recalculates depths and width of the WT to make it exactly square - experimental
void make_wipe_tower_square();
// Goes through m_plan, calculates border and finish_layer extrusions and subtracts them from last wipe
void save_on_last_wipe();
// BBS
box_coordinates align_perimeter(const box_coordinates& perimeter_box);
// to store information about tool changes for a given layer
struct WipeTowerInfo{
struct ToolChange {
size_t old_tool;
size_t new_tool;
float required_depth;
float ramming_depth;
float first_wipe_line;
float wipe_volume;
float wipe_length;
// BBS
float purge_volume;
ToolChange(size_t old, size_t newtool, float depth=0.f, float ramming_depth=0.f, float fwl=0.f, float wv=0.f, float wl = 0, float pv = 0)
: old_tool{ old }, new_tool{ newtool }, required_depth{ depth }, ramming_depth{ ramming_depth }, first_wipe_line{ fwl }, wipe_volume{ wv }, wipe_length{ wl }, purge_volume{ pv } {}
};
float z; // z position of the layer
float height; // layer height
float depth; // depth of the layer based on all layers above
float extra_spacing;
float toolchanges_depth() const { float sum = 0.f; for (const auto &a : tool_changes) sum += a.required_depth; return sum; }
std::vector<ToolChange> tool_changes;
WipeTowerInfo(float z_par, float layer_height_par)
: z{z_par}, height{layer_height_par}, depth{0}, extra_spacing{1.f} {}
};
std::vector<WipeTowerInfo> m_plan; // Stores information about all layers and toolchanges for the future wipe tower (filled by plan_toolchange(...))
std::vector<WipeTowerInfo>::iterator m_layer_info = m_plan.end();
// Stores information about used filament length per extruder:
std::vector<float> m_used_filament_length;
// BBS: consider both soluable and support properties
// Return index of first toolchange that switches to non-soluble extruder
// ot -1 if there is no such toolchange.
int first_toolchange_to_nonsoluble_nonsupport(
const std::vector<WipeTowerInfo::ToolChange>& tool_changes) const;
void toolchange_Unload(
WipeTowerWriter &writer,
const box_coordinates &cleaning_box,
const std::string& current_material,
const int new_temperature);
void toolchange_Change(
WipeTowerWriter &writer,
const size_t new_tool,
const std::string& new_material);
void toolchange_Load(
WipeTowerWriter &writer,
const box_coordinates &cleaning_box);
void toolchange_Wipe(
WipeTowerWriter &writer,
const box_coordinates &cleaning_box,
float wipe_volume);
};
} // namespace Slic3r
#endif // WipeTowerPrusaMM_hpp_