Import only the first mesh in each file (#145)

Delete all other objects

src/__init__.py

@@ -23,9 +23,9 @@
 
 bl_info = {
     "name": "Stop motion OBJ",
-    "description": "Import a sequence of OBJ (or STL or PLY) files and display them each as a single frame of animation. This add-on also supports the .STL and .PLY file formats.",
+    "description": "Import a sequence of OBJ (or STL or PLY or X3D) files and display them each as a single frame of animation. This add-on also supports the .STL, .PLY, and .X3D file formats.",
     "author": "Justin Jensen",
-    "version": (2, 2, 0, "alpha.11"),
+    "version": (2, 2, 0, "alpha.12"),
     "blender": (2, 83, 0),
     "location": "File > Import > Mesh Sequence",
     "warning": "",

src/stop_motion_obj.py

@@ -522,15 +522,25 @@ def loadSequenceFromMeshFiles(_obj, _dir, _file):
     for file in sortedFiles:
         # import the mesh file
         mss.fileImporter.load(mss.fileFormat, file)
-        tmpObject = bpy.context.selected_objects[0]
+
+        # get the first object of type MESH
+        # TODO: eventually, let's pull out all MESH objects and put them into their own individual sequences
+        tmpObject = next(filter(lambda meshObj: meshObj.type == 'MESH', bpy.context.selected_objects), None)
 
         # IMPORTANT: don't copy it; just copy the pointer. This cuts memory usage in half.
         tmpMesh = tmpObject.data
         tmpMesh.use_fake_user = True
         tmpMesh.inMeshSequence = True
+
+        # make a list of the objects we're going to delete
+        objsToDelete = bpy.context.selected_objects.copy()
+
+        # now, delete all selected objects. Yes, even our precious mesh object. We already saved its mesh data
+        for obj in objsToDelete:
+            bpy.data.objects.remove(obj, do_unlink=True)
+
+        # deselect everything just to be safe
         deselectAll()
-        tmpObject.select_set(state=True)
-        bpy.ops.object.delete()
 
         # if this is not the first frame, remove any materials and/or images imported with the mesh
         if numFrames >= 1 and mss.perFrameMaterial is False:

src/version.py

@@ -2,5 +2,5 @@
 # (major, minor, revision, development)
 # example dev version: (1, 2, 3, "beta.4")
 # example release version: (2, 3, 4)
-currentScriptVersion = (2, 2, 0, "alpha.11")
+currentScriptVersion = (2, 2, 0, "alpha.12")
 legacyScriptVersion = (2, 0, 2, "legacy")