new: serialize/deserialize meshes on mesh descriptors

Author: gonzalocasas

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 * Added optional `triangulated` flag to `Mesh.to_vertices_and_faces`.
+* Added geometry information of active meshes to the serialization/deserialization of robot model's `MeshDescriptor`.
 
 ### Changed
 

src/compas/robots/model/geometry.py

@@ -173,13 +173,15 @@ def data(self):
             'filename': self.filename,
             'scale': self.scale,
             'attr': _attr_to_data(self.attr),
+            'meshes': [m.data for m in self.meshes],
         }
 
     @data.setter
     def data(self, data):
         self.filename = data['filename']
         self.scale = data['scale']
         self.attr = _attr_from_data(data['attr']) if 'attr' in data else {}
+        self.meshes = [Mesh.from_data(md) for md in data['meshes']] if 'meshes' in data else []
 
     @classmethod
     def from_data(cls, data):