From 2684b766d83aa72aa61f5159a770cb270e8dc099 Mon Sep 17 00:00:00 2001
From: Alexis Duburcq <alexis.duburcq@gmail.com>
Date: Wed, 20 Nov 2024 17:00:05 +0100
Subject: [PATCH] [core] Fix serialization of geometry meshes.

---
 core/src/io/serialization.cc | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/core/src/io/serialization.cc b/core/src/io/serialization.cc
index 57fdb6491..92e055ed0 100644
--- a/core/src/io/serialization.cc
+++ b/core/src/io/serialization.cc
@@ -160,14 +160,17 @@ namespace boost::serialization
         }
         ar & make_nvp("nodeType", nodeType);
 
-#define UPCAST_FROM_TYPENAME(TYPENAME, CLASS)                            \
-    case hpp::fcl::NODE_TYPE::TYPENAME:                                  \
-        if (Archive::is_loading::value)                                  \
-        {                                                                \
-            geom.geometry = std::make_shared<CLASS>();                   \
-        }                                                                \
-        ar & make_nvp("geometry", static_cast<CLASS &>(*geom.geometry)); \
-        break;
+#define UPCAST_FROM_TYPENAME(TYPENAME, CLASS)                                   \
+    case hpp::fcl::NODE_TYPE::TYPENAME:                                         \
+    {                                                                           \
+        if (Archive::is_loading::value)                                         \
+        {                                                                       \
+            geom.geometry = std::make_shared<CLASS>();                          \
+        }                                                                       \
+        auto geometryDerived = std::dynamic_pointer_cast<CLASS>(geom.geometry); \
+        ar & make_nvp("geometry", geometryDerived);                             \
+        break;                                                                  \
+    }
 
         switch (nodeType)
         {  // clang-format off