Fix AttributeError when no parent bone

UuuNyaa · Aug 4, 2023 · b55b2c1 · b55b2c1
1 parent bf192d3
commit b55b2c1
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Showing 2 changed files with 6 additions and 5 deletions.
diff --git a/mmd_tools/__init__.py b/mmd_tools/__init__.py
@@ -3,7 +3,7 @@
 bl_info = {
     "name": "mmd_tools",
     "author": "sugiany",
-    "version": (2, 9, 0),
+    "version": (2, 9, 1),
     "blender": (2, 93, 0),
     "location": "View3D > Sidebar > MMD Tools Panel",
     "description": "Utility tools for MMD model editing. (UuuNyaa's forked version)",

diff --git a/mmd_tools/core/pmx/exporter.py b/mmd_tools/core/pmx/exporter.py
@@ -383,17 +383,18 @@ def __to_pmx_axis(axis, pose_bone):
                 r[bone.name] = len(pmx_bones) - 1
 
                 if (
-                    (
+                    pmx_bone.parent is not None
+                    and (
                         bone.use_connect
                         or (
                             not pmx_bone.isMovable
-                            and math.isclose(0.0, (bone.head - bone.parent.tail).length)
+                            and math.isclose(0.0, (bone.head - pmx_bone.parent.tail).length)
                         )
                     )
                     and p_bone.parent.mmd_bone.is_tip
                 ):
-                    logging.debug(' * fix location of bone %s, parent %s is tip', bone.name, bone.parent.name)
-                    pmx_bone.location = boneMap[bone.parent].location
+                    logging.debug(' * fix location of bone %s, parent %s is tip', bone.name, pmx_bone.parent.name)
+                    pmx_bone.location = boneMap[pmx_bone.parent].location
 
                 # a connected child bone is preferred
                 pmx_bone.displayConnection = None