fix: unify filament temp mixing blocking with plate error gating

localization/i18n/zh_CN/Snapmaker_Orca_zh_CN.po

@@ -15348,4 +15348,25 @@ msgid "Other Colors"
 msgstr "其他颜色"
 
 msgid "Multiple Color"
-msgstr "多色"
+msgstr "多色"
+
+msgid "High temperature:"
+msgstr "高温耗材："
+
+msgid "Low temperature:"
+msgstr "低温耗材："
+
+msgid "The following plates contain mixed high and low temperature materials:"
+msgstr "以下盘存在高温与低温耗材混用："
+
+msgid "unknown"
+msgstr "未知"
+
+msgid "does not exist."
+msgstr "不存在。"
+
+msgid ""
+"To continue printing, enable \"Allow mixed printing of high and low "
+"temperature materials\" in Preferences."
+msgstr ""
+"如需继续打印，请在「偏好设置」中开启「允许高低温耗材混打」。"

src/Snapmaker_Orca.cpp

@@ -5028,7 +5028,7 @@ int CLI::run(int argc, char **argv)
                                     case STRING_EXCEPT_FILAMENT_NOT_MATCH_BED_TYPE:
                                         validate_error = CLI_FILAMENT_NOT_MATCH_BED_TYPE;
                                         break;
-                                    case STRING_EXCEPT_FILAMENTS_DIFFERENT_TEMP:
+                                    case STRING_EXCEPT_FILAMENTS_MIXING_TEMP:
                                         validate_error = CLI_FILAMENTS_DIFFERENT_TEMP;
                                         break;
                                     case STRING_EXCEPT_OBJECT_COLLISION_IN_SEQ_PRINT:

src/libslic3r/GCodeReader.cpp

@@ -126,6 +126,14 @@ template<typename ParseLineCallback, typename LineEndCallback>
 bool GCodeReader::parse_file_raw_internal(const std::string &filename, ParseLineCallback parse_line_callback, LineEndCallback line_end_callback)
 {
     FilePtr in{ boost::nowide::fopen(filename.c_str(), "rb") };
+    if (in.f == nullptr) {
+        // fopen failed — file missing, inaccessible, or path invalid.
+        // Returning false here prevents ::fread(buffer.data(), 1, ..., NULL)
+        // below, which would otherwise trigger a CRT invalid-parameter crash.
+        BOOST_LOG_TRIVIAL(error) << "GCodeReader::parse_file_raw_internal: "
+                                 << "failed to open file '" << filename << "'";
+        return false;
+    }
 
     // Read the input stream 64kB at a time, extract lines and process them.
     std::vector<char> buffer(65536 * 10, 0);

src/libslic3r/PrintBase.hpp

@@ -19,7 +19,7 @@ namespace Slic3r {
 enum StringExceptionType {
     STRING_EXCEPT_NOT_DEFINED                   = 0,
     STRING_EXCEPT_FILAMENT_NOT_MATCH_BED_TYPE   = 1,
-    STRING_EXCEPT_FILAMENTS_DIFFERENT_TEMP      = 2,
+    STRING_EXCEPT_FILAMENTS_MIXING_TEMP      = 2,
     STRING_EXCEPT_OBJECT_COLLISION_IN_SEQ_PRINT = 3,
     STRING_EXCEPT_OBJECT_COLLISION_IN_LAYER_PRINT = 4,
     STRING_EXCEPT_LAYER_HEIGHT_EXCEEDS_LIMIT = 5,

src/slic3r/GUI/GLCanvas3D.cpp

@@ -7922,7 +7922,8 @@ void GLCanvas3D::_render_imgui_select_plate_toolbar()
                     m_sel_plate_toolbar.m_items[i]->slice_state = IMToolbarItem::SliceState::SLICE_FAILED;
             }
             else {
-                if (!plate_list.get_plate(i)->can_slice())
+                if (!plate_list.get_plate(i)->can_slice() ||
+                    wxGetApp().plater()->is_plate_blocked_by_filament_temp_mixing(i))
                     m_sel_plate_toolbar.m_items[i]->slice_state = IMToolbarItem::SliceState::SLICE_FAILED;
                 else {
                     if (plate_list.get_plate(i)->get_slicing_percent() < 0.0f)