Updated Config Handling

app/src/main/java/com/dark98/santoku/fragment/FilamentConfigFragment.java

@@ -258,7 +258,11 @@ public class FilamentConfigFragment extends ProfileListFragment {
 
     @Override
     protected void onResetConfig() {
-        currentConfig = new ConfigObject(Santoku.CONFIG.findFilament(Santoku.CONFIG.presets.get("filament")));
+        ConfigObject base = Santoku.CONFIG.findFilament(Santoku.CONFIG.presets.get("filament"));
+        if (base == null && Santoku.CONFIG.filamentConfigs != null && !Santoku.CONFIG.filamentConfigs.isEmpty()) {
+            base = Santoku.CONFIG.filamentConfigs.get(0);
+        }
+        currentConfig = base != null ? new ConfigObject(base) : ConfigObject.createCustomFilamentProfile();
     }
 
     @Override

app/src/main/jni/libslic3r/GCode.cpp

@@ -52,6 +52,7 @@
 #include <chrono>
 #include <math.h>
 #include <optional>
+#include <regex>
 #include <string>
 #include <string_view>
 
@@ -105,6 +106,29 @@ namespace Slic3r {
             gcode += '\n';
     }
 
+    static std::string rewrite_simple_curly_placeholders_to_legacy(const std::string &templ)
+    {
+        // Convert {name} or {name[0]} to legacy [name] / [name_0].
+        // Only touches simple, standalone placeholders to avoid breaking control macros.
+        static const std::regex pattern(R"(\{([A-Za-z_][A-Za-z0-9_]*)(?:\[(\d+)\])?\})");
+        std::string out;
+        out.reserve(templ.size());
+        size_t last_pos = 0;
+        for (auto it = std::sregex_iterator(templ.begin(), templ.end(), pattern); it != std::sregex_iterator(); ++it) {
+            const std::smatch &m = *it;
+            out.append(templ, last_pos, m.position() - last_pos);
+            const std::string &name = m[1].str();
+            const std::string &idx  = m[2].str();
+            if (! idx.empty())
+                out += "[" + name + "_" + idx + "]";
+            else
+                out += "[" + name + "]";
+            last_pos = m.position() + m.length();
+        }
+        out.append(templ, last_pos, std::string::npos);
+        return out;
+    }
+
     // Return true if tch_prefix is found in custom_gcode
     static bool custom_gcode_changes_tool(const std::string& custom_gcode, const std::string& tch_prefix, unsigned next_extruder)
     {
@@ -1087,6 +1111,8 @@ void GCodeGenerator::_do_export(Print& print, GCodeOutputStream &file, Thumbnail
 
     // Prepare the helper object for replacing placeholders in custom G-code and output filename.
     m_placeholder_parser_integration.parser = print.placeholder_parser();
+    // Ensure all print config options are available for { } placeholder expressions.
+    m_placeholder_parser_integration.parser.apply_config(print.full_print_config());
     m_placeholder_parser_integration.parser.update_timestamp();
     m_placeholder_parser_integration.context.rng = std::mt19937(std::chrono::high_resolution_clock::now().time_since_epoch().count());
     // Enable passing global variables between PlaceholderParser invocations.
@@ -1181,6 +1207,29 @@ void GCodeGenerator::_do_export(Print& print, GCodeOutputStream &file, Thumbnail
     this->placeholder_parser().set("has_wipe_tower", has_wipe_tower);
     this->placeholder_parser().set("has_single_extruder_multi_material_priming", has_wipe_tower && print.config().single_extruder_multi_material_priming);
     this->placeholder_parser().set("total_toolchanges", tool_ordering.toolchanges_count());
+    {
+        const DynamicPrintConfig &cfg = print.full_print_config();
+        if (const ConfigOption *opt = cfg.optptr("first_layer_temperature")) {
+            this->placeholder_parser().set("first_layer_temperature", opt->clone());
+        } else {
+            this->placeholder_parser().set("first_layer_temperature", new ConfigOptionInts(print.config().first_layer_temperature.values));
+        }
+        if (const ConfigOption *opt = cfg.optptr("temperature")) {
+            this->placeholder_parser().set("temperature", opt->clone());
+        } else {
+            this->placeholder_parser().set("temperature", new ConfigOptionInts(print.config().temperature.values));
+        }
+        if (const ConfigOption *opt = cfg.optptr("first_layer_bed_temperature")) {
+            this->placeholder_parser().set("first_layer_bed_temperature", opt->clone());
+        } else {
+            this->placeholder_parser().set("first_layer_bed_temperature", new ConfigOptionInts(print.config().first_layer_bed_temperature.values));
+        }
+        if (const ConfigOption *opt = cfg.optptr("chamber_temperature")) {
+            this->placeholder_parser().set("chamber_temperature", opt->clone());
+        } else {
+            this->placeholder_parser().set("chamber_temperature", new ConfigOptionInts(print.config().chamber_temperature.values));
+        }
+    }
     {
         const char *bed_type_label = (print.config().elegoolink_bed_type.value == ElegooBedType::PTE) ? "Side A" : "Side B";
         this->placeholder_parser().set("curr_bed_type", new ConfigOptionString(bed_type_label));
@@ -1214,7 +1263,7 @@ void GCodeGenerator::_do_export(Print& print, GCodeOutputStream &file, Thumbnail
         this->placeholder_parser().set("print_bed_max",  new ConfigOptionFloats({ bbox.max.x(), bbox.max.y() }));
         this->placeholder_parser().set("print_bed_size", new ConfigOptionFloats({ bbox.size().x(), bbox.size().y() }));
     }
-    if (host_is_klipper) {
+    {
         // Convex hull of the 1st layer extrusions, for bed leveling and placing the initial purge line.
         // It encompasses the object extrusions, support extrusions, skirt, brim, wipe tower.
         // It does NOT encompass user extrusions generated by custom G-code,
@@ -1224,21 +1273,22 @@ void GCodeGenerator::_do_export(Print& print, GCodeOutputStream &file, Thumbnail
         pts->values.reserve(print.first_layer_convex_hull().size());
         for (const Point &pt : print.first_layer_convex_hull().points)
             pts->values.emplace_back(unscale(pt));
-        BoundingBoxf bbox(pts->values);
+        BoundingBoxf first_layer_bbox(pts->values);
         this->placeholder_parser().set("first_layer_print_convex_hull", pts.release());
-        this->placeholder_parser().set("first_layer_print_min",  new ConfigOptionFloats({ bbox.min.x(), bbox.min.y() }));
+        this->placeholder_parser().set("first_layer_print_min",  new ConfigOptionFloats({ first_layer_bbox.min.x(), first_layer_bbox.min.y() }));
-        this->placeholder_parser().set("first_layer_print_max",  new ConfigOptionFloats({ bbox.max.x(), bbox.max.y() }));
+        this->placeholder_parser().set("first_layer_print_max",  new ConfigOptionFloats({ first_layer_bbox.max.x(), first_layer_bbox.max.y() }));
-        this->placeholder_parser().set("first_layer_print_size", new ConfigOptionFloats({ bbox.size().x(), bbox.size().y() }));
+        this->placeholder_parser().set("first_layer_print_size", new ConfigOptionFloats({ first_layer_bbox.size().x(), first_layer_bbox.size().y() }));
         this->placeholder_parser().set("num_extruders", int(print.config().nozzle_diameter.values.size()));
 
+        if (host_is_klipper) {
             BoundingBoxf bed_bbox(print.config().bed_shape.values);
-        BoundingBoxf mesh_bbox = bbox;
+            BoundingBoxf mesh_bbox = first_layer_bbox;
             if (bed_bbox.defined) {
                 const double margin = print.config().adaptive_bed_mesh_margin.value;
-            double min_x = bbox.min.x() - margin;
+                double min_x = first_layer_bbox.min.x() - margin;
-            double min_y = bbox.min.y() - margin;
+                double min_y = first_layer_bbox.min.y() - margin;
-            double max_x = bbox.max.x() + margin;
+                double max_x = first_layer_bbox.max.x() + margin;
-            double max_y = bbox.max.y() + margin;
+                double max_y = first_layer_bbox.max.y() + margin;
 
                 min_x = std::max(min_x, bed_bbox.min.x());
                 min_y = std::max(min_y, bed_bbox.min.y());
@@ -1277,6 +1327,10 @@ void GCodeGenerator::_do_export(Print& print, GCodeOutputStream &file, Thumbnail
             this->placeholder_parser().set("bed_mesh_probe_count", new ConfigOptionInts({ probe_count_x, probe_count_y }));
             adaptive_bed_mesh_algo = (probe_count_x < 4 || probe_count_y < 4) ? "lagrange" : "bicubic";
             this->placeholder_parser().set("bed_mesh_algo", new ConfigOptionString(adaptive_bed_mesh_algo));
+        }
+    }
+
+    {
         // PlaceholderParser currently substitues non-existent vector values with the zero'th value, which is harmful in the case of "is_extruder_used[]"
         // as Slicer may lie about availability of such non-existent extruder.
         // We rather sacrifice 256B of memory before we change the behavior of the PlaceholderParser, which should really only fill in the non-existent
@@ -1829,6 +1883,34 @@ std::string GCodeGenerator::placeholder_parser_process(
     } 
     catch (std::runtime_error &err) 
     {
+        // Retry with legacy placeholders for simple {name} / {name[idx]} patterns.
+        if (std::string(err.what()).find("Not a variable name") != std::string::npos) {
+            const std::string compat_templ = rewrite_simple_curly_placeholders_to_legacy(templ);
+            if (compat_templ != templ) {
+                ppi.update_from_gcodewriter(m_writer, m_print->wipe_tower_data());
+                std::string output = ppi.parser.process(compat_templ, current_extruder_id, config_override, &ppi.output_config, &ppi.context);
+                ppi.validate_output_vector_variables();
+
+                if (const std::vector<double> &pos = ppi.opt_position->values; ppi.position != pos) {
+                    m_writer.update_position({ pos[0], pos[1], pos[2] });
+                    this->last_position = this->gcode_to_point({ pos[0], pos[1] });
+                }
+
+                for (const Extruder &e : m_writer.extruders()) {
+                    unsigned int eid = e.id();
+                    assert(eid < ppi.num_extruders);
+                    if ( eid < ppi.num_extruders) {
+                        if (! m_writer.config.use_relative_e_distances && ! is_approx(ppi.e_position[eid], ppi.opt_e_position->values[eid]))
+                            const_cast<Extruder&>(e).set_position(ppi.opt_e_position->values[eid]);
+                        if (! is_approx(ppi.e_retracted[eid], ppi.opt_e_retracted->values[eid]) ||
+                            ! is_approx(ppi.e_restart_extra[eid], ppi.opt_e_restart_extra->values[eid]))
+                            const_cast<Extruder&>(e).set_retracted(ppi.opt_e_retracted->values[eid], ppi.opt_e_restart_extra->values[eid]);
+                    }
+                }
+
+                return output;
+            }
+        }
         // Collect the names of failed template substitutions for error reporting.
         auto it = ppi.failed_templates.find(name);
         if (it == ppi.failed_templates.end())

app/src/main/jni/libslic3r/PrintApply.cpp

@@ -1022,6 +1022,8 @@ Print::ApplyStatus Print::apply(const Model &model, DynamicPrintConfig new_full_
 		m_placeholder_parser.set("filament_preset",           new_full_config.option("filament_settings_id")->clone());
 		m_placeholder_parser.set("printer_preset",            new_full_config.option("printer_settings_id")->clone());
         m_placeholder_parser.set("physical_printer_preset",   new_full_config.option("physical_printer_settings_id")->clone());
+        // Make all config options available to the PlaceholderParser.
+        m_placeholder_parser.apply_config(new_full_config);
 		// We want the filament overrides to be applied over their respective extruder parameters by the PlaceholderParser.
 		// see "Placeholders do not respect filament overrides." GH issue #3649
 		m_placeholder_parser.apply_config(filament_overrides);