io_scene_fbx/fbx_utils.py

@@ -244,6 +244,11 @@ def array_to_matrix4(arr):
     return Matrix(tuple(zip(*[iter(arr)]*4))).transposed()
 
 
+def parray_as_ndarray(arr):
+    """Convert an array.array into an np.ndarray that shares the same memory"""
+    return np.frombuffer(arr, dtype=arr.typecode)
+
+
 def similar_values(v1, v2, e=1e-6):
     """Return True if v1 and v2 are nearly the same."""
     if v1 == v2:

io_scene_fbx/import_fbx.py

@@ -18,6 +18,9 @@ import bpy
 from bpy.app.translations import pgettext_tip as tip_
 from mathutils import Matrix, Euler, Vector
 
+# Also imported in .fbx_utils, so importing here is unlikely to further affect Blender startup time.
+import numpy as np
+
 # -----
 # Utils
 from . import parse_fbx, fbx_utils
@@ -34,6 +37,10 @@ from .fbx_utils import (
     similar_values,
     similar_values_iter,
     FBXImportSettings,
+    vcos_transformed,
+    nors_transformed,
+    parray_as_ndarray,
+    astype_view_signedness,
 )
 
 # global singleton, assign on execution