fix vrm bones mapping

addon_install.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python3
+
+import os
+import shutil
+
+
+confpath = os.path.join(os.path.expanduser('~'), '.config', 'blender')
+versions = []
+for i in os.listdir(confpath):
+    versions.append((i, map(int, i.split('.'))))
+versions.sort(key=lambda x: x[1])
+
+print('using version {}'.format(versions[0][0]))
+addonpath = os.path.join(confpath, versions[0][0], 'scripts', 'addons', 'kitsunetsuki')
+
+if os.path.exists(addonpath):
+    print('removing existing installation in {}'.format(addonpath))
+    shutil.rmtree(addonpath)
+
+print('installing to {}'.format(addonpath))
+shutil.copytree('kitsunetsuki', addonpath)

kitsunetsuki/__init__.py

@@ -17,7 +17,7 @@
 bl_info = {
     'name': 'KITSUNETSUKI Asset Tools',
     'author': 'kitsune.ONE team',
-    'version': (0, 6, 4),
+    'version': (0, 6, 5),
     'blender': (2, 92, 0),
     'location': 'File > Import-Export',
     'description': 'Exports: glTF, VRM',

kitsunetsuki/exporter/vrm/armature.py

@@ -33,8 +33,18 @@ def _make_vrm_bone(self, gltf_node_id, bone):
         def is_hips(bone):
             return is_bone_matches(bone, ('hips',))
 
-        def is_upper_leg(bone):
-            return is_bone_matches(bone, ('upperleg', 'upleg', 'thigh'))
+        def is_upper_leg(bone, strict=True):
+            names = ['thigh']
+            if not strict:
+                names.append('leg')
+            is_upper = is_bone_matches(bone, names)
+            is_child = is_hips(get_parent(bone))
+            return is_upper or is_child
+
+        def is_lower_leg(bone):
+            is_lower = is_bone_matches(bone, ('calf', 'shin', 'knee'))
+            is_child = is_upper_leg(get_parent(bone), strict=False)
+            return is_lower or is_child
 
         def is_hand(bone):
             return is_bone_matches(bone, ('hand', 'wrist'))
@@ -70,8 +80,7 @@ def is_hand(bone):
         elif is_bone_matches(bone, ('eye',)):
             vrm_bone['bone'] = '{}Eye'.format(side)
 
-        elif (is_bone_matches(bone, ('lowerleg', 'calf', 'shin', 'knee')) or
-                is_upper_leg(get_parent(bone))):
+        elif is_lower_leg(bone):
             vrm_bone['bone'] = '{}LowerLeg'.format(side)
 
         elif is_upper_leg(bone):