From ba18b67e12c7586eb8804d005b19ab4b1c3cf796 Mon Sep 17 00:00:00 2001
From: SoftFever <softfeverever@gmail.com>
Date: Mon, 16 Mar 2026 18:56:17 +0800
Subject: [PATCH] small tweak

---
 src/libslic3r/GCode/ToolOrdering.cpp | 5 ++---
 src/libslic3r/GCode/ToolOrdering.hpp | 1 -
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/libslic3r/GCode/ToolOrdering.cpp b/src/libslic3r/GCode/ToolOrdering.cpp
index d4784c5278..1dd7cc8da2 100644
--- a/src/libslic3r/GCode/ToolOrdering.cpp
+++ b/src/libslic3r/GCode/ToolOrdering.cpp
@@ -381,7 +381,6 @@ void ToolOrdering::sort_and_build_data(const PrintObject& object , unsigned int
 // (print->config().print_sequence == PrintSequence::ByObject is true).
 ToolOrdering::ToolOrdering(const PrintObject &object, unsigned int first_extruder, bool prime_multi_material)
 {
-    m_wipe_tower_type = object.print()->wipe_tower_type();
     m_print_full_config = &object.print()->full_print_config();
     m_print_object_ptr = &object;
     m_print = const_cast<Print*>(object.print());
@@ -427,7 +426,6 @@ ToolOrdering::ToolOrdering(const PrintObject &object, unsigned int first_extrude
 // (print->config().print_sequence == PrintSequence::ByObject is false).
 ToolOrdering::ToolOrdering(const Print &print, unsigned int first_extruder, bool prime_multi_material)
 {
-    m_wipe_tower_type = print.wipe_tower_type();
     m_print_full_config = &print.full_print_config();
     m_print = const_cast<Print *>(&print);  // for update the context of print
     m_print_config_ptr = &print.config();
@@ -1222,12 +1220,13 @@ void ToolOrdering::reorder_extruders_for_minimum_flush_volume(bool reorder_first
 
     using FlushMatrix = std::vector<std::vector<float>>;
     size_t             nozzle_nums = print_config->nozzle_diameter.values.size();
+    const auto wipe_tower_type = m_print->wipe_tower_type();
 
     std::vector<FlushMatrix> nozzle_flush_mtx;
     for (size_t nozzle_id = 0; nozzle_id < nozzle_nums; ++nozzle_id) {
         std::vector<float> flush_matrix(cast<float>(get_flush_volumes_matrix(print_config->flush_volumes_matrix.values, nozzle_id, nozzle_nums)));
         std::vector<std::vector<float>> wipe_volumes;
-        if ((print_config->purge_in_prime_tower && print_config->single_extruder_multi_material) || m_wipe_tower_type == WipeTowerType::Type1) {
+        if ((print_config->purge_in_prime_tower && print_config->single_extruder_multi_material) || wipe_tower_type == WipeTowerType::Type1) {
             for (unsigned int i = 0; i < number_of_extruders; ++i)
                 wipe_volumes.push_back(std::vector<float>(flush_matrix.begin() + i * number_of_extruders, flush_matrix.begin() + (i + 1) * number_of_extruders));
         } else {
diff --git a/src/libslic3r/GCode/ToolOrdering.hpp b/src/libslic3r/GCode/ToolOrdering.hpp
index fdac3be98a..f584b20707 100644
--- a/src/libslic3r/GCode/ToolOrdering.hpp
+++ b/src/libslic3r/GCode/ToolOrdering.hpp
@@ -279,7 +279,6 @@ private:
     const PrintObject*         m_print_object_ptr = nullptr;
     Print*                     m_print;
     bool                       m_sorted = false;
-    WipeTowerType              m_wipe_tower_type = WipeTowerType::Type1;
 
     FilamentChangeStats        m_stats_by_single_extruder;
     FilamentChangeStats        m_stats_by_multi_extruder_curr;