From dd1511084ef91f8e438858067202bf56a32fe119 Mon Sep 17 00:00:00 2001
From: "yifan.wu" <yifan.wu@bambulab.com>
Date: Sun, 11 Sep 2022 13:57:01 +0800
Subject: [PATCH] FIX: fix an adapative layer height not work issue

Signed-off-by: yifan.wu <yifan.wu@bambulab.com>
---
 src/libslic3r/PrintConfig.cpp | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index bf6c341ee..3958b36db 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -3590,11 +3590,14 @@ void DynamicPrintConfig::normalize_fdm(int used_filaments)
         ConfigOptionBool* islh_opt = this->option<ConfigOptionBool>("independent_support_layer_height", true);
         ConfigOptionBool* alh_opt = this->option<ConfigOptionBool>("adaptive_layer_height");
         ConfigOptionEnum<PrintSequence>* ps_opt = this->option<ConfigOptionEnum<PrintSequence>>("print_sequence");
-        
-        ConfigOptionEnum<TimelapseType> *timelapse_opt = this->option<ConfigOptionEnum<TimelapseType>>("timelapse_type");
-        if (timelapse_opt && timelapse_opt->value == TimelapseType::tlSmooth) {
-            if (used_filaments == 1 || ps_opt->value == PrintSequence::ByObject)
-                ept_opt->value = false;
+
+        ConfigOptionEnum<TimelapseType>* timelapse_opt = this->option<ConfigOptionEnum<TimelapseType>>("timelapse_type");
+        bool is_smooth_timelapse = timelapse_opt != nullptr && timelapse_opt->value == TimelapseType::tlSmooth;
+        if (is_smooth_timelapse) {
+            ept_opt->value = true;
+        }
+        else if (used_filaments == 1 || ps_opt->value == PrintSequence::ByObject) {
+            ept_opt->value = false;
         }
 
         if (ept_opt->value) {