warn about non-existent submesh (#391)

Signed-off-by: Ian Chen <ichen@osrfoundation.org>
gazebosim · Aug 31, 2021 · 622a7ba · 622a7ba
1 parent f65f2fa
commit 622a7ba
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diff --git a/ogre/src/OgreMeshFactory.cc b/ogre/src/OgreMeshFactory.cc
@@ -450,6 +450,15 @@ bool OgreMeshFactory::LoadImpl(const MeshDescriptor &_desc)
     return false;
   }
 
+  if (ogreMesh->getNumSubMeshes() == 0u)
+  {
+    std::string msg = "Unable to load mesh: '" + _desc.meshName + "'";
+    if (!_desc.subMeshName.empty())
+      msg += ", submesh: '" + _desc.subMeshName + "'";
+    msg += ". Mesh will be empty.";
+    ignwarn << msg << std::endl;
+  }
+
   return true;
 }
 

diff --git a/ogre2/src/Ogre2MeshFactory.cc b/ogre2/src/Ogre2MeshFactory.cc
@@ -469,6 +469,15 @@ bool Ogre2MeshFactory::LoadImpl(const MeshDescriptor &_desc)
     return false;
   }
 
+  if (ogreMesh->getNumSubMeshes() == 0u)
+  {
+    std::string msg = "Unable to load mesh: '" + _desc.meshName + "'";
+    if (!_desc.subMeshName.empty())
+      msg += ", submesh: '" + _desc.subMeshName + "'";
+    msg += ". Mesh will be empty.";
+    ignwarn << msg << std::endl;
+  }
+
   return true;
 }