keep hierarchy option

blender_asset_tracer/pack/__init__.py

@@ -103,6 +103,7 @@ class Packer:
         noop=False,
         compress=False,
         relative_only=False,
+        keep_hierarchy=False,
     ) -> None:
         self.blendfile = bfile
         self.project = project
@@ -111,6 +112,7 @@ class Packer:
         self.noop = noop
         self.compress = compress
         self.relative_only = relative_only
+        self.keep_hierarchy = keep_hierarchy
         self._aborted = threading.Event()
         self._abort_lock = threading.RLock()
         self._abort_reason = ""
@@ -241,9 +243,12 @@ class Packer:
         # network shares mapped to Windows drive letters back to their UNC
         # notation. Only resolving one but not the other (which can happen
         # with the abosolute() call above) can cause errors.
-        bfile_pp = self._target_path / bfile_path.relative_to(
-            bpathlib.make_absolute(self.project)
-        )
+        if self.keep_hierarchy:
+            bfile_pp = self._target_path / bpathlib.strip_root(bfile_path)
+        else:
+            bfile_pp = self._target_path / bfile_path.relative_to(
+                bpathlib.make_absolute(self.project)
+            )
         self._output_path = bfile_pp
 
         self._progress_cb.pack_start()
@@ -335,7 +340,10 @@ class Packer:
             self._new_location_paths.add(asset_path)
         else:
             log.debug("%s can keep using %s", bfile_path, usage.asset_path)
-            asset_pp = self._target_path / asset_path.relative_to(self.project)
+            if self.keep_hierarchy:
+                asset_pp = self._target_path / bpathlib.strip_root(asset_path)
+            else:
+                asset_pp = self._target_path / asset_path.relative_to(self.project)
             act.new_path = asset_pp
 
     def _find_new_paths(self):
@@ -346,7 +354,10 @@ class Packer:
             assert isinstance(act, AssetAction)
 
             relpath = bpathlib.strip_root(path)
-            act.new_path = pathlib.Path(self._target_path, "_outside_project", relpath)
+            if self.keep_hierarchy:
+                act.new_path = pathlib.Path(self._target_path, relpath)
+            else:
+                act.new_path = pathlib.Path(self._target_path, "_outside_project", relpath)
 
     def _group_rewrites(self) -> None:
         """For each blend file, collect which fields need rewriting.