ENH: support for head wrap detect

1.Add "in_head_wrap_detect_zone".Detect if the model projection enters
a specified area.

jira:[NEW]

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: I6aed5a782d2f33f023bdc19cf06dff0957828eeb

resources/profiles/BBL/machine/Bambu Lab A1 mini 0.4 nozzle.json

@@ -20,6 +20,12 @@
     "extruder_clearance_height_to_rod": "25",
     "extruder_clearance_max_radius": "73",
     "extruder_clearance_radius": "73",
+    "head_wrap_detect_zone" : [
+        "0x150",
+        "30x150",
+        "0x180",
+        "30x180"
+    ],
     "machine_load_filament_time": "28",
     "machine_max_acceleration_z": [
         "1500",

src/libslic3r/GCode.cpp

@@ -1929,11 +1929,17 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
             pts->values.emplace_back(unscale(pt));
 
         BoundingBoxf bbox = first_layer_projection(print);
+        BoundingBoxf bbox_without_plate_offset{
+            {bbox.min.x() - plate_offset.x(),bbox.min.y() - plate_offset.y()},
+            {bbox.max.x() - plate_offset.x(),bbox.max.y() - plate_offset.y()}
+        };
+        BoundingBoxf bbox_head_wrap_zone (print.config().head_wrap_detect_zone.values);
 
         m_placeholder_parser.set("first_layer_print_convex_hull", pts.release());
-        m_placeholder_parser.set("first_layer_print_min", new ConfigOptionFloats({bbox.min.x() - plate_offset.x(), bbox.min.y() - plate_offset.y()}));
+        m_placeholder_parser.set("first_layer_print_min", new ConfigOptionFloats({ bbox_without_plate_offset.min.x(),bbox_without_plate_offset.min.y() }));
-        m_placeholder_parser.set("first_layer_print_max", new ConfigOptionFloats({bbox.max.x() - plate_offset.x(), bbox.max.y() - plate_offset.y()}));
+        m_placeholder_parser.set("first_layer_print_max", new ConfigOptionFloats({ bbox_without_plate_offset.max.x(),bbox_without_plate_offset.max.y() }));
         m_placeholder_parser.set("first_layer_print_size", new ConfigOptionFloats({ bbox.size().x(), bbox.size().y() }));
+        m_placeholder_parser.set("in_head_wrap_detect_zone",bbox_head_wrap_zone.overlap(bbox_without_plate_offset));
         // get center without wipe tower
         BoundingBoxf bbox_wo_wt;// bounding box without wipe tower
         for (auto& objPtr : print.objects()) {

src/libslic3r/Preset.cpp

@@ -890,7 +890,7 @@ static std::vector<std::string> s_Preset_printer_options {
     // BBS
     "scan_first_layer", "machine_load_filament_time", "machine_unload_filament_time", "machine_pause_gcode", "template_custom_gcode",
     "nozzle_type","auxiliary_fan", "nozzle_volume","upward_compatible_machine", "z_hop_types","support_chamber_temp_control","support_air_filtration","printer_structure","thumbnail_size",
-    "best_object_pos",
+    "best_object_pos","head_wrap_detect_zone",
     //OrcaSlicer
     "host_type", "print_host", "printhost_apikey",
     "print_host_webui",

src/libslic3r/PrintConfig.cpp

@@ -3327,6 +3327,15 @@ void PrintConfigDef::init_fff_params()
     def->max = max_temp;
     def->set_default_value(new ConfigOptionInts { 240 });
 
+    def = this->add("head_wrap_detect_zone", coPoints);
+    def->label ="Head wrap detect zone"; //do not need translation
+    def->mode = comDevelop;
+    def->set_default_value(new ConfigOptionPoints{
+        Vec2d(0,150),
+        Vec2d(30,150),
+        Vec2d(0,180),
+        Vec2d(30,180)
+        });
 
     def = this->add("detect_thin_wall", coBool);
     def->label = L("Detect thin wall");

src/libslic3r/PrintConfig.hpp

@@ -938,6 +938,7 @@ PRINT_CONFIG_CLASS_DERIVED_DEFINE(
     ((ConfigOptionPoints,             printable_area))
     //BBS: add bed_exclude_area
     ((ConfigOptionPoints,             bed_exclude_area))
+    ((ConfigOptionPoints,             head_wrap_detect_zone))
     // BBS
     ((ConfigOptionString,             bed_custom_texture))
     ((ConfigOptionString,             bed_custom_model))