Editing of Custom G-code: Partially automation to get a list of place…

…holders for custom gcodes

+ Added missed resources

resources/custom_gcodes/before_layer_gcode

@@ -0,0 +1,4 @@
+# generated by PrusaSlicer 2.6.0-rc1 on 2023-06-15 at 13:29:08 UTC
+layer_num = 2
+layer_z = 1
+max_layer_z = 1

resources/custom_gcodes/end_filament_gcode

@@ -0,0 +1,5 @@
+# generated by PrusaSlicer 2.6.0-rc1 on 2023-06-15 at 13:29:09 UTC
+filament_extruder_id = 2
+layer_num = 2
+layer_z = 1
+max_layer_z = 1

resources/custom_gcodes/end_gcode

@@ -0,0 +1,5 @@
+# generated by PrusaSlicer 2.6.0-rc1 on 2023-06-15 at 13:29:09 UTC
+filament_extruder_id = 2
+layer_num = 2
+layer_z = 1
+max_layer_z = 1

resources/custom_gcodes/layer_gcode

@@ -0,0 +1,4 @@
+# generated by PrusaSlicer 2.6.0-rc1 on 2023-06-15 at 13:29:09 UTC
+layer_num = 2
+layer_z = 1
+max_layer_z = 1

resources/custom_gcodes/rw_slicing_state

@@ -0,0 +1,4 @@
+# generated by PrusaSlicer 2.6.0-rc1 on 2023-06-15 at 13:29:09 UTC
+e_restart_extra = 16385
+e_retracted = 16385
+position = 16385

resources/custom_gcodes/start_filament_gcode

@@ -0,0 +1,5 @@
+# generated by PrusaSlicer 2.6.0-rc1 on 2023-06-15 at 13:29:09 UTC
+filament_extruder_id = 2
+layer_num = 2
+layer_z = 1
+max_layer_z = 1

resources/custom_gcodes/tcr_rotated_gcode

@@ -0,0 +1,3 @@
+# generated by PrusaSlicer 2.6.0-rc1 on 2023-06-14 at 11:40:58 UTC
+deretraction_from_wipe_tower_generator = 3
+toolchange_gcode = 3

resources/custom_gcodes/toolchange_gcode

@@ -0,0 +1,7 @@
+# generated by PrusaSlicer 2.6.0-rc1 on 2023-06-14 at 11:40:58 UTC
+layer_num = 2
+layer_z = 1
+max_layer_z = 1
+next_extruder = 2
+previous_extruder = 2
+toolchange_z = 1

resources/custom_gcodes/universal

@@ -0,0 +1,39 @@
+# generated by PrusaSlicer 2.6.0-rc1 on 2023-06-15 at 13:29:09 UTC
+current_extruder = 2
+current_object_idx = 2
+day = 2
+extruded_volume = 16385
+extruded_volume_total = 1
+extruded_weight = 16385
+extruded_weight_total = 1
+filament_preset = 16387
+first_layer_print_convex_hull = 16390
+first_layer_print_max = 16385
+first_layer_print_min = 16385
+first_layer_print_size = 16385
+has_single_extruder_multi_material_priming = 8
+has_wipe_tower = 8
+hour = 2
+initial_extruder = 2
+initial_tool = 2
+input_filename = 3
+input_filename_base = 3
+is_extruder_used = 16392
+minute = 2
+month = 2
+num_extruders = 2
+num_instances = 2
+num_objects = 2
+physical_printer_preset = 3
+print_bed_max = 16385
+print_bed_min = 16385
+print_bed_size = 16385
+print_preset = 3
+printer_preset = 3
+scale = 16387
+second = 2
+timestamp = 3
+total_layer_count = 2
+total_toolchanges = 2
+year = 2
+zhop = 1

src/PrusaSlicer.cpp

@@ -763,6 +763,7 @@ bool CLI::setup(int argc, char **argv)
     set_var_dir((path_resources / "icons").string());
     set_local_dir((path_resources / "localization").string());
     set_sys_shapes_dir((path_resources / "shapes").string());
+    set_custom_gcodes_dir((path_resources / "custom_gcodes").string());
 
     // Parse all command line options into a DynamicConfig.
     // If any option is unsupported, print usage and abort immediately.

src/libslic3r/GCode.cpp

@@ -1504,6 +1504,12 @@ std::string GCodeGenerator::placeholder_parser_process(
     unsigned int         current_extruder_id,
     const DynamicConfig *config_override)
 {
+#if GET_CUSTOM_GCODE_PLACEHOLDERS
+    if (config_override &&
+        g_code_placeholders_map.find(name) == g_code_placeholders_map.end())
+            g_code_placeholders_map[name] = *config_override;
+#endif
+
     PlaceholderParserIntegration &ppi = m_placeholder_parser_integration;
     try {
         ppi.update_from_gcodewriter(m_writer);

src/libslic3r/GCode.hpp

@@ -72,6 +72,8 @@ struct LayerResult {
 };
 
 class GCodeGenerator {
+#define GET_CUSTOM_GCODE_PLACEHOLDERS 1
+
 public:        
     GCodeGenerator() : 
     	m_origin(Vec2d::Zero()),
@@ -97,6 +99,13 @@ class GCodeGenerator {
         {}
     ~GCodeGenerator() = default;
 
+#if GET_CUSTOM_GCODE_PLACEHOLDERS
+    std::map<std::string, DynamicConfig> g_code_placeholders_map;
+    const std::map<std::string, DynamicConfig>& get_g_code_placeholders_map() { return g_code_placeholders_map; }
+    const DynamicConfig& get_placeholder_parser_config() const { return m_placeholder_parser_integration.parser.config(); }
+    const DynamicConfig& get_placeholder_output_config() const { return m_placeholder_parser_integration.output_config; }
+#endif
+
     // throws std::runtime_exception on error,
     // throws CanceledException through print->throw_if_canceled().
     void            do_export(Print* print, const char* path, GCodeProcessorResult* result = nullptr, ThumbnailsGeneratorCallback thumbnail_cb = nullptr);

src/libslic3r/Print.cpp

@@ -1014,6 +1014,46 @@ std::string Print::export_gcode(const std::string& path_template, GCodeProcessor
     std::unique_ptr<GCodeGenerator> gcode(new GCodeGenerator);
     gcode->do_export(this, path.c_str(), result, thumbnail_cb);
 
+
+#if GET_CUSTOM_GCODE_PLACEHOLDERS
+
+    const std::string dir = custom_gcodes_dir() +
+#ifdef _WIN32
+    "\\";
+#else
+    "/";
+#endif
+
+    auto save_placeholders = [dir](const std::string& file_name, const DynamicConfig& config) {
+        try {
+            boost::nowide::ofstream c;
+            c.open(dir + file_name, std::ios::out | std::ios::trunc);
+            c << "# " << header_slic3r_generated() << std::endl;
+            auto keys = config.keys();
+            for (const std::string& opt_key : keys) {
+                const std::string type = std::to_string(int(config.optptr(opt_key)->type()));
+                c << opt_key << " = " << type << std::endl;
+            }
+            c.close();
+        }
+        catch (const std::ofstream::failure& err) {
+            throw RuntimeError(format("The %1% cannot be loaded:\n\tReason: %2%", file_name, err.what()));
+        }
+    };
+
+    // save specific placeholders
+    const auto& gcode_placeholders = gcode->get_g_code_placeholders_map();
+    for (const auto& [gcode_name, config] : gcode_placeholders)
+        save_placeholders(gcode_name, config);
+
+    // save universal placeholders
+    save_placeholders("universal", gcode->get_placeholder_parser_config());
+
+    // save placeholders for "rw_slicing_state" slicing state
+    save_placeholders("rw_slicing_state", gcode->get_placeholder_output_config());
+
+#endif
+
     if (m_conflict_result.has_value())
         result->conflict_result = *m_conflict_result;
 

src/libslic3r/Utils.hpp

@@ -53,6 +53,11 @@ const std::string& sys_shapes_dir();
 // Return a full path to the custom shapes gallery directory.
 std::string custom_shapes_dir();
 
+// Set a path with shapes gallery files.
+void set_custom_gcodes_dir(const std::string &path);
+// Return a full path to the system shapes gallery directory.
+const std::string& custom_gcodes_dir();
+
 // Set a path with preset files.
 void set_data_dir(const std::string &path);
 // Return a full path to the GUI resource files.

src/libslic3r/utils.cpp

@@ -193,6 +193,18 @@ const std::string& sys_shapes_dir()
 	return g_sys_shapes_dir;
 }
 
+static std::string g_custom_gcodes_dir;
+
+void set_custom_gcodes_dir(const std::string &dir)
+{
+    g_custom_gcodes_dir = dir;
+}
+
+const std::string& custom_gcodes_dir()
+{
+    return g_custom_gcodes_dir;
+}
+
 // Translate function callback, to call wxWidgets translate function to convert non-localized UTF8 string to a localized one.
 Slic3r::I18N::translate_fn_type Slic3r::I18N::translate_fn = nullptr;