153 lines
6.7 KiB
C++
153 lines
6.7 KiB
C++
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#ifndef slic3r_GCode_PressureEqualizer_hpp_
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#define slic3r_GCode_PressureEqualizer_hpp_
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#include "../libslic3r.h"
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#include "../PrintConfig.hpp"
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#include "../ExtrusionEntity.hpp"
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namespace Slic3r {
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enum GCodeMoveType
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{
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GCODE_MOVE_TYPE_NOOP,
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GCODE_MOVE_TYPE_RETRACT,
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GCODE_MOVE_TYPE_UNRETRACT,
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GCODE_MOVE_TYPE_TOOL_CHANGE,
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GCODE_MOVE_TYPE_MOVE,
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GCODE_MOVE_TYPE_EXTRUDE,
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};
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// For visualization purposes, for the purposes of the G-code analysis and timing.
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// The size of this structure is 56B.
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// Keep the size of this structure as small as possible, because all moves of a complete print
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// may be held in RAM.
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struct GCodeMove
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{
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bool moving_xy(const float* pos_start) const { return fabs(pos_end[0] - pos_start[0]) > 0.f || fabs(pos_end[1] - pos_start[1]) > 0.f; }
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bool moving_xy() const { return moving_xy(get_pos_start()); }
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bool moving_z (const float* pos_start) const { return fabs(pos_end[2] - pos_start[2]) > 0.f; }
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bool moving_z () const { return moving_z(get_pos_start()); }
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bool extruding(const float* pos_start) const { return moving_xy() && pos_end[3] > pos_start[3]; }
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bool extruding() const { return extruding(get_pos_start()); }
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bool retracting(const float* pos_start) const { return pos_end[3] < pos_start[3]; }
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bool retracting() const { return retracting(get_pos_start()); }
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bool deretracting(const float* pos_start) const { return ! moving_xy() && pos_end[3] > pos_start[3]; }
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bool deretracting() const { return deretracting(get_pos_start()); }
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float dist_xy2(const float* pos_start) const { return (pos_end[0] - pos_start[0]) * (pos_end[0] - pos_start[0]) + (pos_end[1] - pos_start[1]) * (pos_end[1] - pos_start[1]); }
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float dist_xy2() const { return dist_xy2(get_pos_start()); }
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float dist_xyz2(const float* pos_start) const { return (pos_end[0] - pos_start[0]) * (pos_end[0] - pos_start[0]) + (pos_end[1] - pos_start[1]) * (pos_end[1] - pos_start[1]) + (pos_end[2] - pos_start[2]) * (pos_end[2] - pos_start[2]); }
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float dist_xyz2() const { return dist_xyz2(get_pos_start()); }
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float dist_xy(const float* pos_start) const { return sqrt(dist_xy2(pos_start)); }
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float dist_xy() const { return dist_xy(get_pos_start()); }
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float dist_xyz(const float* pos_start) const { return sqrt(dist_xyz2(pos_start)); }
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float dist_xyz() const { return dist_xyz(get_pos_start()); }
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float dist_e(const float* pos_start) const { return fabs(pos_end[3] - pos_start[3]); }
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float dist_e() const { return dist_e(get_pos_start()); }
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float feedrate() const { return pos_end[4]; }
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float time(const float* pos_start) const { return dist_xyz(pos_start) / feedrate(); }
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float time() const { return time(get_pos_start()); }
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float time_inv(const float* pos_start) const { return feedrate() / dist_xyz(pos_start); }
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float time_inv() const { return time_inv(get_pos_start()); }
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const float* get_pos_start() const { assert(type != GCODE_MOVE_TYPE_NOOP); return this[-1].pos_end; }
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// Pack the enums to conserve space. With C++x11 the allocation size could be declared for enums, but for old C++ this is the only portable way.
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// GCodeLineType
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uint8_t type;
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// Index of the active extruder.
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uint8_t extruder_id;
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// ExtrusionRole
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uint8_t extrusion_role;
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// For example, is it a bridge flow? Is the fan on?
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uint8_t flags;
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// X,Y,Z,E,F. Storing the state of the currently active extruder only.
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float pos_end[5];
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// Extrusion width, height for this segment in um.
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uint16_t extrusion_width;
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uint16_t extrusion_height;
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};
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typedef std::vector<GCodeMove> GCodeMoves;
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struct GCodeLayer
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{
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// Index of an object printed.
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size_t object_idx;
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// Index of an object instance printed.
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size_t object_instance_idx;
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// Index of the layer printed.
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size_t layer_idx;
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// Top z coordinate of the layer printed.
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float layer_z_top;
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// Moves over this layer. The 0th move is always of type GCODELINETYPE_NOOP and
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// it sets the initial position and tool for the layer.
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GCodeMoves moves;
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// Indices into m_moves, where the tool changes happen.
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// This is useful, if one wants to display just only a piece of the path quickly.
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std::vector<size_t> tool_changes;
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};
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typedef std::vector<GCodeLayer*> GCodeLayerPtrs;
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class GCodeMovesDB
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{
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public:
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GCodeMovesDB() {};
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~GCodeMovesDB() { reset(); }
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void reset();
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GCodeLayerPtrs m_layers;
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};
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// Processes a G-code to extract moves and their types.
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// This information is then used to render the print simulation colored by the extrusion type
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// or various speeds.
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// The GCodeAnalyzer is employed as a G-Code filter. It reads the G-code as it is generated,
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// parses the comments generated by Slic3r just for the analyzer, and removes these comments.
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class GCodeAnalyzer
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{
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public:
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GCodeAnalyzer(const Slic3r::GCodeConfig *config);
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~GCodeAnalyzer();
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void reset();
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// Process a next batch of G-code lines. Flush the internal buffers if asked for.
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const char* process(const char *szGCode, bool flush);
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// Length of the buffer returned by process().
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size_t get_output_buffer_length() const { return output_buffer_length; }
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private:
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// Keeps the reference, does not own the config.
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const Slic3r::GCodeConfig *m_config;
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// Internal data.
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// X,Y,Z,E,F
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float m_current_pos[5];
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size_t m_current_extruder;
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ExtrusionRole m_current_extrusion_role;
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uint16_t m_current_extrusion_width;
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uint16_t m_current_extrusion_height;
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bool m_retracted;
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GCodeMovesDB *m_moves;
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// Output buffer will only grow. It will not be reallocated over and over.
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std::vector<char> output_buffer;
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size_t output_buffer_length;
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bool process_line(const char *line, const size_t len);
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// Push the text to the end of the output_buffer.
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void push_to_output(const char *text, const size_t len, bool add_eol = true);
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};
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} // namespace Slic3r
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#endif /* slic3r_GCode_PressureEqualizer_hpp_ */
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