io_scene_fbx/__init__.py

@@ -5,7 +5,7 @@
 bl_info = {
     "name": "FBX format",
     "author": "Campbell Barton, Bastien Montagne, Jens Restemeier, @Mysteryem",
-    "version": (5, 7, 4),
+    "version": (5, 8, 1),
     "blender": (3, 6, 0),
     "location": "File > Import-Export",
     "description": "FBX IO meshes, UVs, vertex colors, materials, textures, cameras, lamps and actions",

io_scene_fbx/export_fbx_bin.py

@@ -552,14 +552,20 @@ def fbx_data_element_custom_properties(props, bid):
 
 def fbx_data_empty_elements(root, empty, scene_data):
     """
-    Write the Empty data block (you can control its FBX datatype with the 'fbx_type' string custom property).
+    Write the Empty data block (you can control its FBX datatype with the 'fbx_type' string custom property) or Armature
+    NodeAttribute.
     """
     empty_key = scene_data.data_empties[empty]
 
     null = elem_data_single_int64(root, b"NodeAttribute", get_fbx_uuid_from_key(empty_key))
     null.add_string(fbx_name_class(empty.name.encode(), b"NodeAttribute"))
-    val = empty.bdata.get('fbx_type', None)
-    null.add_string(val.encode() if val and isinstance(val, str) else b"Null")
+    bdata = empty.bdata
+    if bdata.type == 'EMPTY':
+        val = bdata.get('fbx_type', None)
+        fbx_type = val.encode() if val and isinstance(val, str) else b"Null"
+    else:
+        fbx_type = b"Null"
+    null.add_string(fbx_type)
 
     elem_data_single_string(null, b"TypeFlags", b"Null")
 
@@ -567,7 +573,10 @@ def fbx_data_empty_elements(root, empty, scene_data):
     props = elem_properties(null)
     elem_props_template_finalize(tmpl, props)
 
-    # No custom properties, already saved with object (Model).
+    # Empty/Armature Object custom properties have already been saved with the Model.
+    # Only Armature data custom properties need to be saved here with the NodeAttribute.
+    if bdata.type == 'ARMATURE':
+        fbx_data_element_custom_properties(props, bdata.data)
 
 
 def fbx_data_light_elements(root, lamp, scene_data):
@@ -2583,7 +2592,6 @@ def fbx_data_from_scene(scene, depsgraph, settings):
         if ob_obj.type not in BLENDER_OBJECT_TYPES_MESHLIKE:
             continue
         ob = ob_obj.bdata
-        use_org_data = True
         org_ob_obj = None
 
         # Do not want to systematically recreate a new mesh for dupliobject instances, kind of break purpose of those.
@@ -2593,16 +2601,28 @@ def fbx_data_from_scene(scene, depsgraph, settings):
                 data_meshes[ob_obj] = data_meshes[org_ob_obj]
                 continue
 
-        is_ob_material = any(ms.link == 'OBJECT' for ms in ob.material_slots)
+        # There are 4 different cases for what we need to do with the original data of each Object:
+        # 1) The original data can be used without changes.
+        # 2) A copy of the original data needs to be made.
+        #  - If an export option modifies the data, e.g. Triangulate Faces is enabled.
+        #  - If the Object has Object-linked materials. This is because our current mapping of materials to FBX requires
+        #    that multiple Objects sharing a single mesh must have the same materials.
+        # 3) The Object needs to be converted to a mesh.
+        #  - All mesh-like Objects that are not meshes need to be converted to a mesh in order to be exported.
+        # 4) The Object needs to be evaluated and then converted to a mesh.
+        #  - Whenever use_mesh_modifiers is enabled and either there are modifiers to apply or the Object needs to be
+        #    converted to a mesh.
+        # If multiple cases apply to an Object, then only the last applicable case is relevant.
+        do_copy = any(ms.link == 'OBJECT' for ms in ob.material_slots) or settings.use_triangles
+        do_convert = ob.type in BLENDER_OTHER_OBJECT_TYPES
+        do_evaluate = do_convert and settings.use_mesh_modifiers
 
-        if settings.use_mesh_modifiers or settings.use_triangles or ob.type in BLENDER_OTHER_OBJECT_TYPES or is_ob_material:
-            # We cannot use default mesh in that case, or material would not be the right ones...
-            use_org_data = not (is_ob_material or ob.type in BLENDER_OTHER_OBJECT_TYPES)
+        # If the Object is a mesh, and we're applying modifiers, check if there are actually any modifiers to apply.
+        # If there are then the mesh will need to be evaluated, and we may need to make some temporary changes to the
+        # modifiers or scene before the mesh is evaluated.
         backup_pose_positions = []
         tmp_mods = []
-            if use_org_data and ob.type == 'MESH':
-                if settings.use_triangles:
-                    use_org_data = False
+        if ob.type == 'MESH' and settings.use_mesh_modifiers:
             # No need to create a new mesh in this case, if no modifier is active!
             last_subsurf = None
             for mod in ob.modifiers:
@@ -2627,34 +2647,26 @@ def fbx_data_from_scene(scene, depsgraph, settings):
                     # found applicable subsurf modifier.
                     if settings.use_subsurf and mod.type == 'SUBSURF' and mod.subdivision_type == 'CATMULL_CLARK':
                         if last_subsurf:
-                                use_org_data = False
+                            do_evaluate = True
                         last_subsurf = mod
                     else:
-                            use_org_data = False
+                        do_evaluate = True
             if settings.use_subsurf and last_subsurf:
                 # XXX: When exporting with subsurf information temporarily disable
                 # the last subsurf modifier.
                 tmp_mods.append((last_subsurf, last_subsurf.show_render, last_subsurf.show_viewport))
-                    last_subsurf.show_render = False
-                    last_subsurf.show_viewport = False
-            if not use_org_data:
+
+        if do_evaluate:
             # If modifiers has been altered need to update dependency graph.
             if backup_pose_positions or tmp_mods:
                 depsgraph.update()
-                ob_to_convert = ob.evaluated_get(depsgraph) if settings.use_mesh_modifiers else ob
+            ob_to_convert = ob.evaluated_get(depsgraph)
             # NOTE: The dependency graph might be re-evaluating multiple times, which could
             # potentially free the mesh created early on. So we put those meshes to bmain and
-                # free them afterwards. Not ideal but ensures correct ownerwhip.
+            # free them afterwards. Not ideal but ensures correct ownership.
             tmp_me = bpy.data.meshes.new_from_object(
                 ob_to_convert, preserve_all_data_layers=True, depsgraph=depsgraph)
-                # Triangulate the mesh if requested
-                if settings.use_triangles:
-                    import bmesh
-                    bm = bmesh.new()
-                    bm.from_mesh(tmp_me)
-                    bmesh.ops.triangulate(bm, faces=bm.faces)
-                    bm.to_mesh(tmp_me)
-                    bm.free()
+
             # Usually the materials of the evaluated object will be the same, but modifiers, such as Geometry Nodes,
             # can change the materials.
             orig_mats = tuple(slot.material for slot in ob.material_slots)
@@ -2663,7 +2675,29 @@ def fbx_data_from_scene(scene, depsgraph, settings):
             if orig_mats != eval_mats:
                 # Override the default behaviour of getting materials from ob_obj.bdata.material_slots.
                 ob_obj.override_materials = eval_mats
+        elif do_convert:
+            tmp_me = bpy.data.meshes.new_from_object(ob, preserve_all_data_layers=True, depsgraph=depsgraph)
+        elif do_copy:
+            # bpy.data.meshes.new_from_object removes shape keys (see #104714), so create a copy of the mesh instead.
+            tmp_me = ob.data.copy()
+        else:
+            tmp_me = None
+
+        if tmp_me is None:
+            # Use the original data of this Object.
+            data_meshes[ob_obj] = (get_blenderID_key(ob.data), ob.data, False)
+        else:
+            # Triangulate the mesh if requested
+            if settings.use_triangles:
+                import bmesh
+                bm = bmesh.new()
+                bm.from_mesh(tmp_me)
+                bmesh.ops.triangulate(bm, faces=bm.faces)
+                bm.to_mesh(tmp_me)
+                bm.free()
+            # A temporary mesh was created for this Object, which should be deleted once the export is complete.
             data_meshes[ob_obj] = (get_blenderID_key(tmp_me), tmp_me, True)
+
         # Change armatures back.
         for armature, pose_position in backup_pose_positions:
             print((armature, pose_position))
@@ -2675,8 +2709,6 @@ def fbx_data_from_scene(scene, depsgraph, settings):
             mod.show_viewport = show_viewport
         if backup_pose_positions or tmp_mods:
             depsgraph.update()
-        if use_org_data:
-            data_meshes[ob_obj] = (get_blenderID_key(ob.data), ob.data, False)
 
         # In case "real" source object of that dupli did not yet still existed in data_meshes, create it now!
         if org_ob_obj is not None:

io_scene_fbx/import_fbx.py

@@ -2826,8 +2826,13 @@ class FbxImportHelperNode:
                              elem_find_first(fbx_tmpl, b'Properties70', fbx_elem_nil))
 
                 if settings.use_custom_props:
+                    # Read Armature Object custom props from the Node
                     blen_read_custom_properties(self.fbx_elem, arm, settings)
 
+                    if self.fbx_data_elem:
+                        # Read Armature Data custom props from the NodeAttribute
+                        blen_read_custom_properties(self.fbx_data_elem, arm_data, settings)
+
             # instance in scene
             view_layer.active_layer_collection.collection.objects.link(arm)
             arm.select_set(True)

io_scene_gltf2/__init__.py

@@ -5,7 +5,7 @@
 bl_info = {
     'name': 'glTF 2.0 format',
     'author': 'Julien Duroure, Scurest, Norbert Nopper, Urs Hanselmann, Moritz Becher, Benjamin Schmithüsen, Jim Eckerlein, and many external contributors',
-    "version": (4, 0, 15),
+    "version": (4, 0, 19),
     'blender': (4, 0, 0),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',

io_scene_gltf2/blender/exp/material/extensions/gltf2_blender_gather_materials_clearcoat.py

@@ -15,9 +15,9 @@ def export_clearcoat(blender_material, export_settings):
     clearcoat_extension = {}
     clearcoat_roughness_slots = ()
 
-    clearcoat_socket = gltf2_blender_get.get_socket(blender_material, 'Clearcoat')
-    clearcoat_roughness_socket = gltf2_blender_get.get_socket(blender_material, 'Clearcoat Roughness')
-    clearcoat_normal_socket = gltf2_blender_get.get_socket(blender_material, 'Clearcoat Normal')
+    clearcoat_socket = gltf2_blender_get.get_socket(blender_material, 'Coat')
+    clearcoat_roughness_socket = gltf2_blender_get.get_socket(blender_material, 'Coat Roughness')
+    clearcoat_normal_socket = gltf2_blender_get.get_socket(blender_material, 'Coat Normal')
 
     if isinstance(clearcoat_socket, bpy.types.NodeSocket) and not clearcoat_socket.is_linked:
         clearcoat_extension['clearcoatFactor'] = clearcoat_socket.default_value

io_scene_gltf2/blender/exp/material/gltf2_blender_gather_image.py

@@ -228,15 +228,15 @@ def __get_image_data_mapping(sockets, default_sockets, results, export_settings)
             # some sockets need channel rewriting (gltf pbr defines fixed channels for some attributes)
             if socket.name == 'Metallic':
                 dst_chan = Channel.B
-            elif socket.name == 'Roughness':
+            elif socket.name == 'Roughness' and socket.node.type == "BSDF_PRINCIPLED":
                 dst_chan = Channel.G
             elif socket.name == 'Occlusion':
                 dst_chan = Channel.R
             elif socket.name == 'Alpha':
                 dst_chan = Channel.A
-            elif socket.name == 'Clearcoat':
+            elif socket.name == 'Coat':
                 dst_chan = Channel.R
-            elif socket.name == 'Clearcoat Roughness':
+            elif socket.name == 'Coat Roughness':
                 dst_chan = Channel.G
             elif socket.name == 'Thickness': # For KHR_materials_volume
                 dst_chan = Channel.G

io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py

@@ -130,19 +130,19 @@ def pbr_metallic_roughness(mh: MaterialHelper):
     clearcoat(
         mh,
         location=locs['clearcoat'],
-        clearcoat_socket=pbr_node.inputs['Clearcoat'],
+        clearcoat_socket=pbr_node.inputs['Coat'],
     )
 
     clearcoat_roughness(
         mh,
         location=locs['clearcoat_roughness'],
-        roughness_socket=pbr_node.inputs['Clearcoat Roughness'],
+        roughness_socket=pbr_node.inputs['Coat Roughness'],
     )
 
     clearcoat_normal(
         mh,
         location=locs['clearcoat_normal'],
-        normal_socket=pbr_node.inputs['Clearcoat Normal'],
+        normal_socket=pbr_node.inputs['Coat Normal'],
     )
 
     transmission(
@@ -231,6 +231,12 @@ def calc_locations(mh):
     locs['metallic_roughness'] = (x, y)
     if mh.pymat.pbr_metallic_roughness.metallic_roughness_texture is not None:
         y -= height
+    locs['transmission'] = (x, y)
+    if 'transmissionTexture' in transmission_ext:
+        y -= height
+    locs['normal'] = (x, y)
+    if mh.pymat.normal_texture is not None:
+        y -= height
     locs['specularTexture'] = (x, y)
     if 'specularTexture' in specular_ext:
         y -= height
@@ -243,18 +249,12 @@ def calc_locations(mh):
     locs['clearcoat_roughness'] = (x, y)
     if 'clearcoatRoughnessTexture' in clearcoat_ext:
         y -= height
-    locs['transmission'] = (x, y)
-    if 'transmissionTexture' in transmission_ext:
+    locs['clearcoat_normal'] = (x, y)
+    if 'clearcoatNormalTexture' in clearcoat_ext:
         y -= height
     locs['emission'] = (x, y)
     if mh.pymat.emissive_texture is not None:
         y -= height
-    locs['normal'] = (x, y)
-    if mh.pymat.normal_texture is not None:
-        y -= height
-    locs['clearcoat_normal'] = (x, y)
-    if 'clearcoatNormalTexture' in clearcoat_ext:
-        y -= height
     locs['occlusion'] = (x, y)
     if mh.pymat.occlusion_texture is not None:
         y -= height

io_scene_gltf2/io/imp/gltf2_io_gltf.py

@@ -52,7 +52,8 @@ class glTFImporter():
             'KHR_materials_transmission',
             'KHR_materials_specular',
             'KHR_materials_sheen',
-            'KHR_materials_ior'
+            'KHR_materials_ior',
+            'KHR_materials_volume'
         ]
 
         # Add extensions required supported by custom import extensions

node_wrangler/operators.py

@@ -24,7 +24,7 @@ from itertools import chain
 
 from .interface import NWConnectionListInputs, NWConnectionListOutputs
 
-from .utils.constants import blend_types, geo_combine_operations, operations, navs, get_nodes_from_category, rl_outputs
+from .utils.constants import blend_types, geo_combine_operations, operations, navs, get_texture_node_types, rl_outputs
 from .utils.draw import draw_callback_nodeoutline
 from .utils.paths import match_files_to_socket_names, split_into_components
 from .utils.nodes import (node_mid_pt, autolink, node_at_pos, get_active_tree, get_nodes_links, is_viewer_socket,
@@ -507,14 +507,19 @@ class NWPreviewNode(Operator, NWBase):
                     return True
         return False
 
+    @classmethod
+    def get_output_sockets(cls, node_tree):
+        return [item for item in node_tree.interface.items_tree if item.item_type == 'SOCKET' and item.in_out in {'OUTPUT', 'BOTH'}]
+
     def ensure_viewer_socket(self, node, socket_type, connect_socket=None):
         # check if a viewer output already exists in a node group otherwise create
         if hasattr(node, "node_tree"):
-            index = None
-            if len(node.node_tree.outputs):
+            viewer_socket = None
+            output_sockets = self.get_output_sockets(node.node_tree)
+            if len(output_sockets):
                 free_socket = None
-                for i, socket in enumerate(node.node_tree.outputs):
-                    if is_viewer_socket(socket) and is_visible_socket(node.outputs[i]) and socket.type == socket_type:
+                for socket in output_sockets:
+                    if is_viewer_socket(socket) and socket.socket_type == socket_type:
                         # if viewer output is already used but leads to the same socket we can still use it
                         is_used = self.is_socket_used_other_mats(socket)
                         if is_used:
@@ -525,19 +530,18 @@ class NWPreviewNode(Operator, NWBase):
                             links = groupout_input.links
                             if connect_socket not in [link.from_socket for link in links]:
                                 continue
-                            index = i
+                            viewer_socket = socket
                             break
                         if not free_socket:
-                            free_socket = i
-                if not index and free_socket:
-                    index = free_socket
+                            free_socket = socket
+                if not viewer_socket and free_socket:
+                    viewer_socket = free_socket
 
-            if not index:
+            if not viewer_socket:
                 # create viewer socket
-                node.node_tree.outputs.new(socket_type, viewer_socket_name)
-                index = len(node.node_tree.outputs) - 1
-                node.node_tree.outputs[index].NWViewerSocket = True
-            return index
+                viewer_socket = node.node_tree.interface.new_socket(viewer_socket_name, in_out={'OUTPUT'}, socket_type=socket_type)
+                viewer_socket.NWViewerSocket = True
+            return viewer_socket
 
     def init_shader_variables(self, space, shader_type):
         if shader_type == 'OBJECT':
@@ -582,10 +586,9 @@ class NWPreviewNode(Operator, NWBase):
                 next_node = link.from_node
                 external_socket = link.from_socket
                 if hasattr(next_node, "node_tree"):
-                    for socket_index, s in enumerate(next_node.outputs):
-                        if s == external_socket:
+                    for socket_index, socket in enumerate(next_node.node_tree.interface.items_tree):
+                        if socket.identifier == external_socket.identifier:
                             break
-                    socket = next_node.node_tree.outputs[socket_index]
                     if is_viewer_socket(socket) and socket not in sockets:
                         sockets.append(socket)
                         # continue search inside of node group but restrict socket to where we came from
@@ -599,11 +602,17 @@ class NWPreviewNode(Operator, NWBase):
             if hasattr(node, "node_tree"):
                 if node.node_tree is None:
                     continue
-                for socket in node.node_tree.outputs:
+                for socket in cls.get_output_sockets(node.node_tree):
                     if is_viewer_socket(socket) and (socket not in sockets):
                         sockets.append(socket)
                 cls.scan_nodes(node.node_tree, sockets)
 
+    @classmethod
+    def remove_socket(cls, tree, socket):
+        interface = tree.interface
+        interface.remove(socket)
+        interface.active_index = min(interface.active_index, len(interface.items_tree) - 1)
+
     def link_leads_to_used_socket(self, link):
         # return True if link leads to a socket that is already used in this material
         socket = get_internal_socket(link.to_socket)
@@ -710,22 +719,22 @@ class NWPreviewNode(Operator, NWBase):
                     link_end = output_socket
                     while tree.nodes.active != active:
                         node = tree.nodes.active
-                        index = self.ensure_viewer_socket(
+                        viewer_socket = self.ensure_viewer_socket(
                             node, 'NodeSocketGeometry', connect_socket=active.outputs[out_i] if node.node_tree.nodes.active == active else None)
-                        link_start = node.outputs[index]
-                        node_socket = node.node_tree.outputs[index]
+                        link_start = node.outputs[viewer_socket_name]
+                        node_socket = viewer_socket
                         if node_socket in delete_sockets:
                             delete_sockets.remove(node_socket)
                         connect_sockets(link_start, link_end)
                         # Iterate
-                        link_end = self.ensure_group_output(node.node_tree).inputs[index]
+                        link_end = self.ensure_group_output(node.node_tree).inputs[viewer_socket_name]
                         tree = tree.nodes.active.node_tree
                     connect_sockets(active.outputs[out_i], link_end)
 
                 # Delete sockets
                 for socket in delete_sockets:
                     tree = socket.id_data
-                    tree.outputs.remove(socket)
+                    self.remove_socket(tree, socket)
 
                 nodes.active = active
                 active.select = True
@@ -733,11 +742,8 @@ class NWPreviewNode(Operator, NWBase):
                 return {'FINISHED'}
 
             # What follows is code for the shader editor
-            output_types = [x.nodetype for x in
-                            get_nodes_from_category('Output', context)]
             valid = False
             if active:
-                if active.rna_type.identifier not in output_types:
                 for out in active.outputs:
                     if is_visible_socket(out):
                         valid = True
@@ -786,15 +792,15 @@ class NWPreviewNode(Operator, NWBase):
                     link_end = output_socket
                     while tree.nodes.active != active:
                         node = tree.nodes.active
-                        index = self.ensure_viewer_socket(
+                        viewer_socket = self.ensure_viewer_socket(
                             node, socket_type, connect_socket=active.outputs[out_i] if node.node_tree.nodes.active == active else None)
-                        link_start = node.outputs[index]
-                        node_socket = node.node_tree.outputs[index]
+                        link_start = node.outputs[viewer_socket_name]
+                        node_socket = viewer_socket
                         if node_socket in delete_sockets:
                             delete_sockets.remove(node_socket)
                         connect_sockets(link_start, link_end)
                         # Iterate
-                        link_end = self.ensure_group_output(node.node_tree).inputs[index]
+                        link_end = self.ensure_group_output(node.node_tree).inputs[viewer_socket_name]
                         tree = tree.nodes.active.node_tree
                     connect_sockets(active.outputs[out_i], link_end)
 
@@ -802,7 +808,7 @@ class NWPreviewNode(Operator, NWBase):
                 for socket in delete_sockets:
                     if not self.is_socket_used_other_mats(socket):
                         tree = socket.id_data
-                        tree.outputs.remove(socket)
+                        self.remove_socket(tree, socket)
 
                 nodes.active = active
                 active.select = True
@@ -1820,8 +1826,7 @@ class NWAddTextureSetup(Operator, NWBase):
     def execute(self, context):
         nodes, links = get_nodes_links(context)
 
-        texture_types = [x.nodetype for x in
-                         get_nodes_from_category('Texture', context)]
+        texture_types = get_texture_node_types()
         selected_nodes = [n for n in nodes if n.select]
 
         for node in selected_nodes:

node_wrangler/utils/constants.py

@@ -3,7 +3,6 @@
 # SPDX-License-Identifier: GPL-2.0-or-later
 
 from collections import namedtuple
-from nodeitems_utils import node_categories_iter
 
 
 #################
@@ -160,11 +159,23 @@ draw_color_sets = {
 }
 
 
-def get_nodes_from_category(category_name, context):
-    for category in node_categories_iter(context):
-        if category.name == category_name:
-            return sorted(category.items(context), key=lambda node: node.label)
-
+def get_texture_node_types():
+    return [
+       "ShaderNodeTexBrick",
+       "ShaderNodeTexChecker",
+       "ShaderNodeTexEnvironment",
+       "ShaderNodeTexGradient",
+       "ShaderNodeTexIES",
+       "ShaderNodeTexImage",
+       "ShaderNodeTexMagic",
+       "ShaderNodeTexMusgrave",
+       "ShaderNodeTexNoise",
+       "ShaderNodeTexPointDensity",
+       "ShaderNodeTexSky",
+       "ShaderNodeTexVoronoi",
+       "ShaderNodeTexWave",
+       "ShaderNodeTexWhiteNoise"
+    ]
 
 def nice_hotkey_name(punc):
     # convert the ugly string name into the actual character

node_wrangler/utils/nodes.py

@@ -170,25 +170,18 @@ def get_internal_socket(socket):
     # get the internal socket from a socket inside or outside the group
     node = socket.node
     if node.type == 'GROUP_OUTPUT':
-        source_iterator = node.inputs
-        iterator = node.id_data.outputs
+        iterator = node.id_data.interface.items_tree
     elif node.type == 'GROUP_INPUT':
-        source_iterator = node.outputs
-        iterator = node.id_data.inputs
+        iterator = node.id_data.interface.items_tree
     elif hasattr(node, "node_tree"):
-        if socket.is_output:
-            source_iterator = node.outputs
-            iterator = node.node_tree.outputs
-        else:
-            source_iterator = node.inputs
-            iterator = node.node_tree.inputs
+        iterator = node.node_tree.interface.items_tree
     else:
         return None
 
-    for i, s in enumerate(source_iterator):
-        if s == socket:
-            break
-    return iterator[i]
+    for s in iterator:
+        if s.identifier == socket.identifier:
+            return s
+    return iterator[0]
 
 
 def is_viewer_link(link, output_node):

pose_library/__init__.py

@@ -9,7 +9,7 @@ Pose Library based on the Asset Browser.
 bl_info = {
     "name": "Pose Library",
     "description": "Pose Library based on the Asset Browser.",
-    "author": "Sybren A. Stüvel",
+    "author": "Sybren A. Stüvel, Julian Eisel",
     "version": (2, 0),
     "blender": (3, 0, 0),
     "location": "Asset Browser -> Animations, and 3D Viewport -> Animation panel",

pose_library/gui.py

@@ -9,6 +9,7 @@ Pose Library - GUI definition.
 import bpy
 from bpy.types import (
     AssetHandle,
+    AssetRepresentation,
     Context,
     Menu,
     Panel,
@@ -41,11 +42,11 @@ class VIEW3D_AST_pose_library(bpy.types.AssetShelf):
         return PoseLibraryPanel.poll(context)
 
     @classmethod
-    def asset_poll(cls, asset: AssetHandle) -> bool:
-        return asset.file_data.id_type == 'ACTION'
+    def asset_poll(cls, asset: AssetRepresentation) -> bool:
+        return asset.id_type == 'ACTION'
 
     @classmethod
-    def draw_context_menu(cls, _context: Context, _asset: AssetHandle, layout: UILayout):
+    def draw_context_menu(cls, _context: Context, _asset: AssetRepresentation, layout: UILayout):
         # Make sure these operator properties match those used in `VIEW3D_PT_pose_library_legacy`.
         layout.operator("poselib.apply_pose_asset", text="Apply Pose").flipped = False
         layout.operator("poselib.apply_pose_asset", text="Apply Pose Flipped").flipped = True
@@ -89,10 +90,10 @@ def pose_library_list_item_context_menu(self: UIList, context: Context) -> None:
         return True
 
     def is_pose_library_asset_browser() -> bool:
-        asset_library_ref = getattr(context, "asset_library_ref", None)
+        asset_library_ref = getattr(context, "asset_library_reference", None)
         if not asset_library_ref:
             return False
-        asset = getattr(context, "asset_file_handle", None)
+        asset = getattr(context, "asset", None)
         if not asset:
             return False
         return bool(asset.id_type == 'ACTION')
@@ -185,7 +186,7 @@ def _on_asset_library_changed() -> None:
 
 def register_message_bus() -> None:
     bpy.msgbus.subscribe_rna(
-        key=(bpy.types.FileAssetSelectParams, "asset_library_ref"),
+        key=(bpy.types.FileAssetSelectParams, "asset_library_reference"),
         owner=_msgbus_owner,
         args=(),
         notify=_on_asset_library_changed,

pose_library/operators.py

@@ -25,9 +25,9 @@ import bpy
 from bpy.props import BoolProperty, StringProperty
 from bpy.types import (
     Action,
+    AssetRepresentation,
     Context,
     Event,
-    FileSelectEntry,
     Object,
     Operator,
 )
@@ -75,7 +75,7 @@ class POSELIB_OT_create_pose_asset(PoseAssetCreator, Operator):
             return True
 
         asset_space_params = asset_browser.params(asset_browse_area)
-        if asset_space_params.asset_library_ref != 'LOCAL':
+        if asset_space_params.asset_library_reference != 'LOCAL':
             cls.poll_message_set("Asset Browser must be set to the Current File library")
             return False
 
@@ -262,7 +262,7 @@ class POSELIB_OT_paste_asset(Operator):
             cls.poll_message_set("Current editor is not an asset browser")
             return False
 
-        asset_lib_ref = context.space_data.params.asset_library_ref
+        asset_lib_ref = context.space_data.params.asset_library_reference
         if asset_lib_ref != 'LOCAL':
             cls.poll_message_set("Asset Browser must be set to the Current File library")
             return False
@@ -313,13 +313,13 @@ class PoseAssetUser:
         if not (
             context.object
             and context.object.mode == "POSE"  # This condition may not be desired.
-            and context.asset_file_handle
+            and context.asset
         ):
             return False
-        return context.asset_file_handle.id_type == 'ACTION'
+        return context.asset.id_type == 'ACTION'
 
     def execute(self, context: Context) -> Set[str]:
-        asset: FileSelectEntry = context.asset_file_handle
+        asset: AssetRepresentation = context.asset
         if asset.local_id:
             return self.use_pose(context, asset.local_id)
         return self._load_and_use_pose(context)
@@ -329,13 +329,14 @@ class PoseAssetUser:
         pass
 
     def _load_and_use_pose(self, context: Context) -> Set[str]:
-        asset = context.asset_file_handle
-        asset_lib_path = bpy.types.AssetHandle.get_full_library_path(asset)
+        asset = context.asset
+        asset_lib_path = asset.full_library_path
 
         if not asset_lib_path:
             self.report(  # type: ignore
                 {"ERROR"},
-                # TODO: Add some way to get the library name from the library reference (just asset_library_ref.name?).
+                # TODO: Add some way to get the library name from the library reference
+                # (just asset_library_reference.name?).
                 tip_("Selected asset %s could not be located inside the asset library") % asset.name,
             )
             return {"CANCELLED"}

rigify/__init__.py

@@ -40,6 +40,7 @@ initial_load_order = [
     'utils.mechanism',
     'utils.animation',
     'utils.metaclass',
+    'utils.objects',
     'feature_sets',
     'rigs',
     'rigs.utils',
@@ -708,6 +709,14 @@ def register():
         get=color_set_get, set=color_set_set, search=color_set_search
     )
 
+    # Object properties
+    obj_store = bpy.types.Object
+
+    obj_store.rigify_owner_rig = PointerProperty(
+        type=bpy.types.Object,
+        name="Rigify Owner Rig",
+        description="Rig that owns this object and may delete or overwrite it upon re-generation")
+
     prefs = RigifyPreferences.get_instance()
     prefs.register_feature_sets(True)
     prefs.update_external_rigs()
@@ -772,6 +781,10 @@ def unregister():
     del coll_store.rigify_color_set_id
     del coll_store.rigify_color_set_name
 
+    obj_store: typing.Any = bpy.types.Object
+
+    del obj_store.rigify_owner_rig
+
     # Classes.
     for cls in classes:
         unregister_class(cls)

rigify/base_generate.py

@@ -21,6 +21,7 @@ from . import base_rig
 from itertools import count
 
 if TYPE_CHECKING:
+    from .utils.objects import ArtifactManager
     from .rig_ui_template import ScriptGenerator
 
 
@@ -192,6 +193,7 @@ class BaseGenerator:
     obj: ArmatureObject
 
     script: 'ScriptGenerator'
+    artifacts: 'ArtifactManager'
 
     rig_list: List[base_rig.BaseRig]
     root_rigs: List[base_rig.BaseRig]

rigify/generate.py

@@ -24,6 +24,7 @@ from .utils.rig import get_rigify_type, get_rigify_target_rig,\
     get_rigify_rig_basename, get_rigify_force_widget_update, get_rigify_finalize_script,\
     get_rigify_mirror_widgets, get_rigify_colors
 from .utils.action_layers import ActionLayerBuilder
+from .utils.objects import ArtifactManager
 
 from . import base_generate
 from . import rig_ui_template
@@ -135,6 +136,8 @@ class Generator(base_generate.BaseGenerator):
         if obj_found:
             self.saved_visible_layers = {coll.name: coll.is_visible for coll in obj.data.collections}
 
+            self.artifacts.generate_init_existing(obj)
+
     def __find_legacy_collection(self) -> bpy.types.Collection:
         """For backwards comp, matching by name to find a legacy collection.
         (For before there was a Widget Collection PointerProperty)
@@ -217,8 +220,12 @@ class Generator(base_generate.BaseGenerator):
 
         validate_collection_references(self.metarig)
 
-        if ROOT_COLLECTION not in collections:
+        coll = collections.get(ROOT_COLLECTION)
+
+        if not coll:
             coll = collections.new(ROOT_COLLECTION)
+
+        if coll.rigify_ui_row <= 0:
             coll.rigify_ui_row = 2 + choose_next_uid(collections, 'rigify_ui_row', min_value=1)
 
     def __duplicate_rig(self):
@@ -452,6 +459,8 @@ class Generator(base_generate.BaseGenerator):
         self.__unhide_rig_object(obj)
 
         # Collect data from the existing rig
+        self.artifacts = ArtifactManager(self)
+
         self.__save_rig_data(obj, obj_found)
 
         # Select the chosen working collection in case it changed
@@ -633,6 +642,8 @@ class Generator(base_generate.BaseGenerator):
 
         obj.data.collections.active_index = 0
 
+        self.artifacts.generate_cleanup()
+
         ###########################################
         # Restore active collection
         view_layer.active_layer_collection = self.layer_collection

rigify/rig_ui_template.py

@@ -8,6 +8,7 @@ from collections import OrderedDict
 from typing import Union, Optional, Any
 
 from .utils.animation import SCRIPT_REGISTER_BAKE, SCRIPT_UTILITIES_BAKE
+from .utils.mechanism import quote_property
 
 from . import base_generate
 
@@ -918,6 +919,157 @@ class RigLayers(bpy.types.Panel):
 '''
 
 
+class PanelExpression(object):
+    """A runtime expression involving bone properties"""
+
+    _rigify_expr: str
+
+    def __init__(self, expr: str):
+        self._rigify_expr = expr
+
+    def __repr__(self):
+        return self._rigify_expr
+
+    def __add__(self, other):
+        return PanelExpression(f"({self._rigify_expr} + {repr(other)})")
+
+    def __sub__(self, other):
+        return PanelExpression(f"({self._rigify_expr} - {repr(other)})")
+
+    def __mul__(self, other):
+        return PanelExpression(f"({self._rigify_expr} * {repr(other)})")
+
+    def __matmul__(self, other):
+        return PanelExpression(f"({self._rigify_expr} @ {repr(other)})")
+
+    def __truediv__(self, other):
+        return PanelExpression(f"({self._rigify_expr} / {repr(other)})")
+
+    def __floordiv__(self, other):
+        return PanelExpression(f"({self._rigify_expr} // {repr(other)})")
+
+    def __mod__(self, other):
+        return PanelExpression(f"({self._rigify_expr} % {repr(other)})")
+
+    def __lshift__(self, other):
+        return PanelExpression(f"({self._rigify_expr} << {repr(other)})")
+
+    def __rshift__(self, other):
+        return PanelExpression(f"({self._rigify_expr} >> {repr(other)})")
+
+    def __and__(self, other):
+        return PanelExpression(f"({self._rigify_expr} & {repr(other)})")
+
+    def __xor__(self, other):
+        return PanelExpression(f"({self._rigify_expr} ^ {repr(other)})")
+
+    def __or__(self, other):
+        return PanelExpression(f"({self._rigify_expr} | {repr(other)})")
+
+    def __radd__(self, other):
+        return PanelExpression(f"({repr(other)} + {self._rigify_expr})")
+
+    def __rsub__(self, other):
+        return PanelExpression(f"({repr(other)} - {self._rigify_expr})")
+
+    def __rmul__(self, other):
+        return PanelExpression(f"({repr(other)} * {self._rigify_expr})")
+
+    def __rmatmul__(self, other):
+        return PanelExpression(f"({repr(other)} @ {self._rigify_expr})")
+
+    def __rtruediv__(self, other):
+        return PanelExpression(f"({repr(other)} / {self._rigify_expr})")
+
+    def __rfloordiv__(self, other):
+        return PanelExpression(f"({repr(other)} // {self._rigify_expr})")
+
+    def __rmod__(self, other):
+        return PanelExpression(f"({repr(other)} % {self._rigify_expr})")
+
+    def __rlshift__(self, other):
+        return PanelExpression(f"({repr(other)} << {self._rigify_expr})")
+
+    def __rrshift__(self, other):
+        return PanelExpression(f"({repr(other)} >> {self._rigify_expr})")
+
+    def __rand__(self, other):
+        return PanelExpression(f"({repr(other)} & {self._rigify_expr})")
+
+    def __rxor__(self, other):
+        return PanelExpression(f"({repr(other)} ^ {self._rigify_expr})")
+
+    def __ror__(self, other):
+        return PanelExpression(f"({repr(other)} | {self._rigify_expr})")
+
+    def __neg__(self):
+        return PanelExpression(f"-{self._rigify_expr}")
+
+    def __pos__(self):
+        return PanelExpression(f"+{self._rigify_expr}")
+
+    def __abs__(self):
+        return PanelExpression(f"abs({self._rigify_expr})")
+
+    def __invert__(self):
+        return PanelExpression(f"~{self._rigify_expr}")
+
+    def __int__(self):
+        return PanelExpression(f"int({self._rigify_expr})")
+
+    def __float__(self):
+        return PanelExpression(f"float({self._rigify_expr})")
+
+    def __round__(self, digits=None):
+        return PanelExpression(f"round({self._rigify_expr}, {digits})")
+
+    def __trunc__(self):
+        return PanelExpression(f"trunc({self._rigify_expr})")
+
+    def __floor__(self):
+        return PanelExpression(f"floor({self._rigify_expr})")
+
+    def __ceil__(self):
+        return PanelExpression(f"ceil({self._rigify_expr})")
+
+    def __lt__(self, other):
+        return PanelExpression(f"({self._rigify_expr} < {repr(other)})")
+
+    def __le__(self, other):
+        return PanelExpression(f"({self._rigify_expr} <= {repr(other)})")
+
+    def __eq__(self, other):
+        return PanelExpression(f"({self._rigify_expr} == {repr(other)})")
+
+    def __ne__(self, other):
+        return PanelExpression(f"({self._rigify_expr} != {repr(other)})")
+
+    def __gt__(self, other):
+        return PanelExpression(f"({self._rigify_expr} > {repr(other)})")
+
+    def __ge__(self, other):
+        return PanelExpression(f"({self._rigify_expr} >= {repr(other)})")
+
+    def __bool__(self):
+        raise NotImplementedError("This object wraps an expression, not a value; casting to boolean is meaningless")
+
+
+class PanelReferenceExpression(PanelExpression):
+    """
+    A runtime expression referencing an object.
+    @DynamicAttrs
+    """
+
+    def __getitem__(self, item):
+        return PanelReferenceExpression(self._rigify_expr + quote_property(item))
+
+    def __getattr__(self, item):
+        return PanelReferenceExpression(self._rigify_expr + '.' + quote_property(item))
+
+    def get(self, item, default=None):
+        return PanelReferenceExpression(f"{self._rigify_expr}.get({repr(item)}, {repr(default)})")
+
+
 def quote_parameters(positional: list[Any], named: dict[str, Any]):
     """Quote the given positional and named parameters as a code string."""
     positional_list = [repr(v) for v in positional]
@@ -1036,6 +1188,51 @@ class PanelLayout(object):
         """Add a split layout to the panel."""
         return self.add_nested_layout('split', params)
 
+    @staticmethod
+    def expr_bone(bone_name: str):
+        """Returns an expression referencing the specified pose bone."""
+        return PanelReferenceExpression(f"pose_bones[%r]" % bone_name)
+
+    @staticmethod
+    def expr_and(*expressions):
+        """Returns a boolean and expression of its parameters."""
+        return PanelExpression("(" + " and ".join(repr(e) for e in expressions) + ")")
+
+    @staticmethod
+    def expr_or(*expressions):
+        """Returns a boolean or expression of its parameters."""
+        return PanelExpression("(" + " or ".join(repr(e) for e in expressions) + ")")
+
+    @staticmethod
+    def expr_if_else(condition, true_expr, false_expr):
+        """Returns a conditional expression."""
+        return PanelExpression(f"({repr(true_expr)} if {repr(condition)} else {repr(false_expr)})")
+
+    @staticmethod
+    def expr_call(func: str, *expressions):
+        """Returns an expression calling the specified function with given parameters."""
+        return PanelExpression(func + "(" + ", ".join(repr(e) for e in expressions) + ")")
+
+    def set_layout_property(self, prop_name: str, prop_value: Any):
+        assert self.index > 0  # Don't change properties on the root layout
+        self.add_line("%s.%s = %r" % (self.layout, prop_name, prop_value))
+
+    @property
+    def active(self):
+        raise NotImplementedError("This is a write only property")
+
+    @active.setter
+    def active(self, value):
+        self.set_layout_property('active', value)
+
+    @property
+    def enabled(self):
+        raise NotImplementedError("This is a write only property")
+
+    @enabled.setter
+    def enabled(self, value):
+        self.set_layout_property('enabled', value)
+
 
 class BoneSetPanelLayout(PanelLayout):
     """Panel restricted to a certain set of bones."""

rigify/rigs/limbs/leg.py

@@ -4,7 +4,9 @@
 
 import bpy
 import math
+import json
 
+from typing import Optional
 from mathutils import Vector, Matrix
 
 from ...utils.rig import is_rig_base_bone
@@ -13,12 +15,15 @@ from ...utils.bones import put_bone, align_bone_orientation
 from ...utils.naming import make_derived_name
 from ...utils.misc import matrix_from_axis_roll, matrix_from_axis_pair
 from ...utils.widgets import adjust_widget_transform_mesh
+from ...utils.animation import add_fk_ik_snap_buttons
+from ...utils.mechanism import driver_var_transform
 
 from ..widgets import create_foot_widget, create_ball_socket_widget
 
 from ...base_rig import stage
+from ...rig_ui_template import PanelLayout
 
-from .limb_rigs import BaseLimbRig
+from .limb_rigs import BaseLimbRig, SCRIPT_UTILITIES_OP_SNAP_IK_FK
 
 
 DEG_360 = math.pi * 2
@@ -33,6 +38,7 @@ class Rig(BaseLimbRig):
     pivot_type: str
     heel_euler_order: str
     use_ik_toe: bool
+    use_toe_roll: bool
 
     ik_matrix: Matrix
     roll_matrix: Matrix
@@ -55,6 +61,7 @@ class Rig(BaseLimbRig):
         self.pivot_type = self.params.foot_pivot_type
         self.heel_euler_order = 'ZXY' if self.main_axis == 'x' else 'XZY'
         self.use_ik_toe = self.params.extra_ik_toe
+        self.use_toe_roll = self.params.extra_toe_roll
 
         if self.use_ik_toe:
             self.fk_name_suffix_cutoff = 3
@@ -116,6 +123,37 @@ class Rig(BaseLimbRig):
         list[str]
     ]
 
+    ####################################################
+    # UI
+
+    def add_global_buttons(self, panel, rig_name):
+        super().add_global_buttons(panel, rig_name)
+
+        ik_chain, tail_chain, fk_chain = self.get_ik_fk_position_chains()
+
+        add_leg_snap_ik_to_fk(
+            panel,
+            master=self.bones.ctrl.master,
+            fk_bones=fk_chain, ik_bones=ik_chain, tail_bones=tail_chain,
+            ik_ctrl_bones=self.get_ik_control_chain(),
+            ik_extra_ctrls=self.get_extra_ik_controls(),
+            heel_control=self.bones.ctrl.heel,
+            rig_name=rig_name
+        )
+
+    def add_ik_only_buttons(self, panel, rig_name):
+        super().add_ik_only_buttons(panel, rig_name)
+
+        if self.use_toe_roll:
+            bone = self.bones.ctrl.heel
+
+            self.make_property(
+                bone, 'Toe_Roll', default=0.0,
+                description='Pivot on the tip of the toe when rolling forward with the heel control'
+            )
+
+            panel.custom_prop(bone, 'Toe_Roll', text='Roll On Toe', slider=True)
+
     ####################################################
     # IK controls
 
@@ -282,6 +320,17 @@ class Rig(BaseLimbRig):
         put_bone(self.obj, rock1, heel_bone.tail, matrix=self.roll_matrix, scale=0.5)
         put_bone(self.obj, rock2, heel_bone.head, matrix=self.roll_matrix, scale=0.5)
 
+        if self.use_toe_roll:
+            roll3 = self.copy_bone(toe, make_derived_name(heel, 'mch', '_roll3'), scale=0.3)
+
+            toe_pos = Vector(self.get_bone(toe).tail)
+            toe_pos.z = self.get_bone(roll2).head.z
+
+            put_bone(self.obj, roll3, toe_pos, matrix=self.roll_matrix)
+
+            return [rock2, rock1, roll2, roll3, roll1, result]
+
+        else:
             return [rock2, rock1, roll2, roll1, result]
 
     @stage.parent_bones
@@ -295,6 +344,35 @@ class Rig(BaseLimbRig):
         self.rig_roll_mch_bones(self.bones.mch.heel, self.bones.ctrl.heel, self.bones.org.heel)
 
     def rig_roll_mch_bones(self, chain: list[str], heel: str, org_heel: str):
+        if self.use_toe_roll:
+            rock2, rock1, roll2, roll3, roll1, result = chain
+
+            # Interpolate rotation in Euler space via drivers to simplify Snap With Roll
+            self.make_driver(
+                roll3, 'rotation_euler', index=0,
+                expression='max(0,x*i)' if self.main_axis == 'x' else 'x*i',
+                variables={
+                    'x': driver_var_transform(
+                        self.obj, heel, type='ROT_X', space='LOCAL',
+                        rotation_mode=self.heel_euler_order,
+                    ),
+                    'i': (heel, 'Toe_Roll'),
+                }
+            )
+
+            self.make_driver(
+                roll3, 'rotation_euler', index=2,
+                expression='max(0,z*i)' if self.main_axis == 'z' else 'z*i',
+                variables={
+                    'z': driver_var_transform(
+                        self.obj, heel, type='ROT_Z', space='LOCAL',
+                        rotation_mode=self.heel_euler_order,
+                    ),
+                    'i': (heel, 'Toe_Roll'),
+                }
+            )
+
+        else:
             rock2, rock1, roll2, roll1, result = chain
 
         # This order is required for correct working of the constraints
@@ -392,14 +470,170 @@ class Rig(BaseLimbRig):
             description="Generate a separate IK toe control for better IK/FK snapping"
         )
 
+        params.extra_toe_roll = bpy.props.BoolProperty(
+            name='Toe Tip Roll',
+            default=False,
+            description="Generate a slider to pivot forward heel roll on the tip rather than the base of the toe"
+        )
+
     @classmethod
     def parameters_ui(cls, layout, params, end='Foot'):
         layout.prop(params, 'foot_pivot_type')
         layout.prop(params, 'extra_ik_toe')
+        layout.prop(params, 'extra_toe_roll')
 
         super().parameters_ui(layout, params, end)
 
 
+##########################
+# Leg IK to FK operator ##
+##########################
+
+SCRIPT_REGISTER_OP_LEG_SNAP_IK_FK = [
+    'POSE_OT_rigify_leg_roll_ik2fk', 'POSE_OT_rigify_leg_roll_ik2fk_bake']
+
+SCRIPT_UTILITIES_OP_LEG_SNAP_IK_FK = SCRIPT_UTILITIES_OP_SNAP_IK_FK + ['''
+#######################
+## Leg Snap IK to FK ##
+#######################
+
+class RigifyLegRollIk2FkBase(RigifyLimbIk2FkBase):
+    heel_control: StringProperty(name="Heel")
+    use_roll:     bpy.props.BoolVectorProperty(
+        name="Use Roll", size=3, default=(True, True, False),
+        description="Specifies which rotation axes of the heel roll control to use"
+    )
+
+    MODES = {
+        'ZXY': ((0, 2), (1, 0, 2)),
+        'XZY': ((2, 0), (2, 0, 1)),
+    }
+
+    def save_frame_state(self, context, obj):
+        return get_chain_transform_matrices(obj, self.fk_bone_list + self.ctrl_bone_list[-1:])
+
+    def assign_extra_controls(self, context, obj, all_matrices, ik_bones, ctrl_bones):
+        for extra in self.extra_ctrl_list:
+            set_transform_from_matrix(
+                obj, extra, Matrix.Identity(4), space='LOCAL', keyflags=self.keyflags
+            )
+
+        if any(self.use_roll):
+            foot_matrix = all_matrices[len(ik_bones) - 1]
+            ctrl_matrix = all_matrices[len(self.fk_bone_list)]
+            heel_bone = obj.pose.bones[self.heel_control]
+            foot_bone = ctrl_bones[-1]
+
+            # Relative rotation of heel from orientation of master IK control
+            # to actual foot orientation.
+            heel_rest = convert_pose_matrix_via_rest_delta(ctrl_matrix, foot_bone, heel_bone)
+            heel_rot = convert_pose_matrix_via_rest_delta(foot_matrix, ik_bones[-1], heel_bone)
+
+            # Decode the euler decomposition mode
+            rot_mode = heel_bone.rotation_mode
+            indices, use_map = self.MODES[rot_mode]
+            use_roll = [self.use_roll[i] for i in use_map]
+            roll, turn = indices
+
+            # If the last rotation (yaw) is unused, move it to be first for better result
+            if not use_roll[turn]:
+                rot_mode = rot_mode[1:] + rot_mode[0:1]
+
+            local_rot = (heel_rest.inverted() @ heel_rot).to_euler(rot_mode)
+
+            heel_bone.rotation_euler = [
+                (val if use else 0) for val, use in zip(local_rot, use_roll)
+            ]
+
+            if self.keyflags is not None:
+                keyframe_transform_properties(
+                    obj, bone_name, self.keyflags, no_loc=True, no_rot=no_rot, no_scale=True
+                )
+
+            if 'Toe_Roll' in heel_bone and self.tail_bone_list:
+                toe_matrix = all_matrices[len(ik_bones)]
+                toe_bone = obj.pose.bones[self.tail_bone_list[0]]
+
+                # Compute relative rotation of heel determined by toe
+                heel_rot_toe = convert_pose_matrix_via_rest_delta(toe_matrix, toe_bone, heel_bone)
+                toe_rot = (heel_rest.inverted() @ heel_rot_toe).to_euler(rot_mode)
+
+                # Determine how much of the already computed heel rotation seems to be applied
+                heel_rot = list(heel_bone.rotation_euler)
+                heel_rot[roll] = max(0.0, heel_rot[roll])
+
+                # This relies on toe roll interpolation being done in Euler space
+                ratios = [
+                    toe_rot[i] / heel_rot[i] for i in (roll, turn)
+                    if use_roll[i] and heel_rot[i] * toe_rot[i] > 0
+                ]
+
+                val = min(1.0, max(0.0, min(ratios) if ratios else 0.0))
+                if val < 1e-5:
+                    val = 0.0
+
+                set_custom_property_value(
+                    obj, heel_bone.name, 'Toe_Roll', val, keyflags=self.keyflags)
+
+    def draw(self, context):
+        row = self.layout.row(align=True)
+        row.label(text="Use:")
+        row.prop(self, 'use_roll', index=0, text="Rock", toggle=True)
+        row.prop(self, 'use_roll', index=1, text="Roll", toggle=True)
+        row.prop(self, 'use_roll', index=2, text="Yaw", toggle=True)
+
+class POSE_OT_rigify_leg_roll_ik2fk(
+        RigifyLegRollIk2FkBase, RigifySingleUpdateMixin, bpy.types.Operator):
+    bl_options = {'REGISTER', 'UNDO', 'INTERNAL'}
+    bl_idname = "pose.rigify_leg_roll_ik2fk_" + rig_id
+    bl_label = "Snap IK->FK With Roll"
+    bl_description = "Snap the IK chain to FK result, using foot roll to preserve the current IK "\
+                     "control orientation as much as possible"
+
+    def invoke(self, context, event):
+        self.init_invoke(context)
+        return self.execute(context)
+
+class POSE_OT_rigify_leg_roll_ik2fk_bake(
+        RigifyLegRollIk2FkBase, RigifyBakeKeyframesMixin, bpy.types.Operator):
+    bl_idname = "pose.rigify_leg_roll_ik2fk_bake_" + rig_id
+    bl_label = "Apply Snap IK->FK To Keyframes"
+    bl_description = "Snap the IK chain keyframes to FK result, using foot roll to preserve the "\
+                     "current IK control orientation as much as possible"
+
+    def execute_scan_curves(self, context, obj):
+        self.bake_add_bone_frames(self.fk_bone_list, TRANSFORM_PROPS_ALL)
+        self.bake_add_bone_frames(self.ctrl_bone_list[-1:], TRANSFORM_PROPS_ROTATION)
+        return self.bake_get_all_bone_curves(
+            self.ctrl_bone_list + self.extra_ctrl_list, TRANSFORM_PROPS_ALL)
+''']
+
+
+def add_leg_snap_ik_to_fk(panel: PanelLayout, *, master: Optional[str] = None,
+                          fk_bones=(), ik_bones=(), tail_bones=(),
+                          ik_ctrl_bones=(), ik_extra_ctrls=(), heel_control, rig_name=''):
+    panel.use_bake_settings()
+    panel.script.add_utilities(SCRIPT_UTILITIES_OP_LEG_SNAP_IK_FK)
+    panel.script.register_classes(SCRIPT_REGISTER_OP_LEG_SNAP_IK_FK)
+
+    assert len(fk_bones) == len(ik_bones) + len(tail_bones)
+
+    op_props = {
+        'prop_bone': master,
+        'fk_bones': json.dumps(fk_bones),
+        'ik_bones': json.dumps(ik_bones),
+        'ctrl_bones': json.dumps(ik_ctrl_bones),
+        'tail_bones': json.dumps(tail_bones),
+        'extra_ctrls': json.dumps(ik_extra_ctrls),
+        'heel_control': heel_control,
+    }
+
+    add_fk_ik_snap_buttons(
+        panel, 'pose.rigify_leg_roll_ik2fk_{rig_id}', 'pose.rigify_leg_roll_ik2fk_bake_{rig_id}',
+        label='IK->FK With Roll', rig_name=rig_name, properties=op_props,
+    )
+
+
 def create_sample(obj):
     # generated by rigify.utils.write_metarig
     bpy.ops.object.mode_set(mode='EDIT')

rigify/rigs/limbs/limb_rigs.py

@@ -622,7 +622,8 @@ class BaseLimbRig(BaseRig):
         self.make_property(self.prop_bone, 'IK_Stretch', default=1.0, description='IK Stretch')
         panel.custom_prop(self.prop_bone, 'IK_Stretch', text='IK Stretch', slider=True)
 
-        self.make_property(self.prop_bone, 'pole_vector', default=False, description='Use a pole target control')
+        self.make_property(self.prop_bone, 'pole_vector', default=0, min=0, max=1,
+                           description='Use a pole target control')
 
         self.add_ik_only_buttons(panel, rig_name)
 

rigify/ui.py

@@ -16,7 +16,7 @@ from typing import TYPE_CHECKING, Callable, Any
 from mathutils import Color
 
 from .utils.errors import MetarigError
-from .utils.layers import ROOT_COLLECTION, validate_collection_references
+from .utils.layers import ROOT_COLLECTION, SPECIAL_COLLECTIONS, validate_collection_references
 from .utils.rig import write_metarig, get_rigify_type, get_rigify_target_rig, \
     get_rigify_colors, get_rigify_params
 from .utils.widgets import write_widget
@@ -1017,6 +1017,14 @@ class Generate(bpy.types.Operator):
 
     def execute(self, context):
         metarig = verify_armature_obj(context.object)
+
+        for bcoll in metarig.data.collections:
+            if bcoll.rigify_ui_row > 0 and bcoll.name not in SPECIAL_COLLECTIONS:
+                break
+        else:
+            self.report({'ERROR'}, 'No bone collections have UI buttons assigned - all bones would be invisible.')
+            return {'CANCELLED'}
+
         try:
             generate.generate_rig(context, metarig)
         except MetarigError as rig_exception:

rigify/utils/layers.py

@@ -29,6 +29,8 @@ DEF_COLLECTION = "DEF"
 ORG_COLLECTION = "ORG"
 MCH_COLLECTION = "MCH"
 
+SPECIAL_COLLECTIONS = (ROOT_COLLECTION, DEF_COLLECTION, MCH_COLLECTION, ORG_COLLECTION)
+
 REFS_TOGGLE_SUFFIX = '_layers_extra'
 REFS_LIST_SUFFIX = "_coll_refs"
 

rigify/utils/objects.py

@@ -0,0 +1,206 @@
+# SPDX-FileCopyrightText: 2019-2022 Blender Foundation
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import bpy
+
+from typing import TYPE_CHECKING
+from bpy.types import LayerCollection, Collection, Object
+
+from .misc import ArmatureObject
+from .naming import strip_org
+
+from mathutils import Matrix
+
+if TYPE_CHECKING:
+    from ..generate import Generator
+    from ..base_rig import BaseRig
+
+
+# noinspection SpellCheckingInspection
+def create_object_data(obj_type, name):
+    if obj_type == 'EMPTY':
+        return None
+    if obj_type == 'MESH':
+        return bpy.data.meshes.new(name)
+    if obj_type in ('CURVE', 'SURFACE', 'FONT'):
+        return bpy.data.curves.new(name, obj_type)
+    if obj_type == 'META':
+        return bpy.data.metaballs.new(name)
+    if obj_type == 'CURVES':
+        return bpy.data.hair_curves.new(name)
+    if obj_type == 'POINTCLOUD':
+        return bpy.data.pointclouds.new(name)
+    if obj_type == 'VOLUME':
+        return bpy.data.volumes.new(name)
+    if obj_type == 'GREASEPENCIL':
+        return bpy.data.grease_pencils.new(name)
+    if obj_type == 'ARMATURE':
+        return bpy.data.armatures.new(name)
+    if obj_type == 'LATTICE':
+        return bpy.data.lattices.new(name)
+    raise ValueError(f"Invalid object type {obj_type}")
+
+
+class ArtifactManager:
+    generator: 'Generator'
+
+    collection: Collection | None
+    layer_collection: LayerCollection | None
+
+    used_artifacts: list[Object]
+    temp_artifacts: list[Object]
+
+    artifact_reuse_table: dict[tuple[str, ...], Object]
+
+    def __init__(self, generator: 'Generator'):
+        self.generator = generator
+        self.collection = None
+        self.layer_collection = None
+        self.used_artifacts = []
+        self.temp_artifacts = []
+        self.artifact_reuse_table = {}
+
+    def _make_name(self, owner: 'BaseRig', name: str):
+        return self.generator.obj.name + ":" + strip_org(owner.base_bone) + ":" + name
+
+    def create_new(self, owner: 'BaseRig', obj_type: str, name: str):
+        """
+        Creates an artifact object of the specified type and name. If it already exists, all
+        references are updated to point to the new instance, and the existing one is deleted.
+
+        Parameters:
+            owner: rig component that requests the object.
+            obj_type: type of the object to create.
+            name: unique name of the object within the rig component.
+        Returns:
+            Object that was created.
+        """
+        return self.find_or_create(owner, obj_type, name, recreate=True)[1]
+
+    def find_or_create(self, owner: 'BaseRig', obj_type: str, name: str, *, recreate=False):
+        """
+        Creates or reuses an artifact object of the specified type.
+
+        Parameters:
+            owner: rig component that requests the object.
+            obj_type: type of the object to create.
+            name: unique name of the object within the rig component.
+            recreate: instructs that the object should be re-created from scratch even if it exists.
+        Returns:
+            (bool, Object) tuple, with the boolean specifying if the object already existed.
+        """
+
+        obj_name = self._make_name(owner, name)
+        key = (owner.base_bone, name)
+
+        obj = self.artifact_reuse_table.get(key)
+
+        # If the existing object has incorrect type, delete it
+        if obj and obj.type != obj_type:
+            if obj in self.used_artifacts:
+                owner.raise_error(f"duplicate reuse of artifact object {obj.name}")
+
+            print(f"RIGIFY: incompatible artifact object {obj.name} type: {obj.type} instead of {obj_type}")
+            del self.artifact_reuse_table[key]
+            bpy.data.objects.remove(obj)
+            obj = None
+
+        # Reuse the existing object
+        if obj:
+            if obj in self.used_artifacts:
+                owner.raise_error(f"duplicate reuse of artifact object {obj.name}")
+
+            if recreate:
+                # Forcefully re-create and replace the existing object
+                obj.name += '-OLD'
+                if data := obj.data:
+                    data.name += '-OLD'
+
+                new_obj = bpy.data.objects.new(obj_name, create_object_data(obj_type, obj_name))
+
+                obj.user_remap(new_obj)
+                self.artifact_reuse_table[key] = new_obj
+                bpy.data.objects.remove(obj)
+                obj = new_obj
+
+            # Ensure the existing object is visible
+            obj.hide_viewport = False
+            obj.hide_set(False, view_layer=self.generator.view_layer)
+
+            if not obj.visible_get(view_layer=self.generator.view_layer):
+                owner.raise_error(f"could not un-hide existing artifact object {obj.name}")
+
+            # Try renaming the existing object
+            obj.name = obj_name
+            if data := obj.data:
+                data.name = obj_name
+
+            found = True
+
+        # Create an object from scratch
+        else:
+            obj = bpy.data.objects.new(obj_name, create_object_data(obj_type, obj_name))
+
+            self.generator.collection.objects.link(obj)
+            self.artifact_reuse_table[key] = obj
+
+            found = False
+
+        self.used_artifacts.append(obj)
+
+        obj.rigify_owner_rig = self.generator.obj
+        obj["rigify_artifact_id"] = key
+
+        obj.parent = self.generator.obj
+        obj.parent_type = 'OBJECT'
+        obj.matrix_parent_inverse = Matrix.Identity(4)
+        obj.matrix_basis = Matrix.Identity(4)
+
+        return found, obj
+
+    def new_temporary(self, owner: 'BaseRig', obj_type: str, name="temp"):
+        """
+        Creates a new temporary object of the specified type.
+        The object will be removed after generation finishes.
+        """
+        obj_name = "TEMP:" + self._make_name(owner, name)
+        obj = bpy.data.objects.new(obj_name, create_object_data(obj_type, obj_name))
+        obj.rigify_owner_rig = self.generator.obj
+        obj["rigify_artifact_id"] = 'temporary'
+        self.generator.collection.objects.link(obj)
+        self.temp_artifacts.append(obj)
+        return obj
+
+    def remove_temporary(self, obj):
+        """
+        Immediately removes a temporary object previously created using new_temporary.
+        """
+        self.temp_artifacts.remove(obj)
+        bpy.data.objects.remove(obj)
+
+    def generate_init_existing(self, armature: ArmatureObject):
+        for obj in bpy.data.objects:
+            if obj.rigify_owner_rig != armature:
+                continue
+
+            aid = obj["rigify_artifact_id"]
+            if isinstance(aid, list) and all(isinstance(x, str) for x in aid):
+                self.artifact_reuse_table[tuple(aid)] = obj
+            else:
+                print(f"RIGIFY: removing orphan artifact {obj.name}")
+                bpy.data.objects.remove(obj)
+
+    def generate_cleanup(self):
+        for obj in self.temp_artifacts:
+            bpy.data.objects.remove(obj)
+
+        self.temp_artifacts = []
+
+        for key, obj in self.artifact_reuse_table.items():
+            if obj in self.used_artifacts:
+                obj.hide_viewport = True
+                obj.hide_render = True
+            else:
+                del self.artifact_reuse_table[key]
+                bpy.data.objects.remove(obj)

rigify/utils/rig.py

@@ -267,8 +267,15 @@ def upgrade_metarig_layers(metarig: ArmatureObject):
     default_layers = [i == 1 for i in range(32)]
     default_map = {
         'faces.super_face': ['primary', 'secondary'],
+        'limbs.arm': ['fk', 'tweak'],
+        'limbs.front_paw': ['fk', 'tweak'],
+        'limbs.leg': ['fk', 'tweak'],
+        'limbs.paw': ['fk', 'tweak'],
+        'limbs.rear_paw': ['fk', 'tweak'],
         'limbs.simple_tentacle': ['tweak'],
         'limbs.super_finger': ['tweak'],
+        'limbs.super_limb': ['fk', 'tweak'],
+        'spines.basic_spine': ['fk', 'tweak'],
     }
 
     for pose_bone in metarig.pose.bones:

ui_translate/__init__.py

@@ -5,7 +5,7 @@
 bl_info = {
     "name": "Manage UI translations",
     "author": "Bastien Montagne",
-    "version": (1, 3, 4),
+    "version": (2, 0, 0),
     "blender": (4, 0, 0),
     "location": "Main \"File\" menu, text editor, any UI control",
     "description": "Allows managing UI translations directly from Blender "
@@ -17,32 +17,32 @@ bl_info = {
 }
 
 
+from . import (
+    settings,
+    edit_translation,
+    update_repo,
+    update_addon,
+    update_ui,
+)
 if "bpy" in locals():
     import importlib
     importlib.reload(settings)
     importlib.reload(edit_translation)
-    importlib.reload(update_svn)
+    importlib.reload(update_repo)
     importlib.reload(update_addon)
     importlib.reload(update_ui)
-else:
-    import bpy
-    from . import (
-        settings,
-        edit_translation,
-        update_svn,
-        update_addon,
-        update_ui,
-    )
+
+import bpy
 
 
-classes = settings.classes + edit_translation.classes + update_svn.classes + update_addon.classes + update_ui.classes
+classes = settings.classes + edit_translation.classes + update_repo.classes + update_addon.classes + update_ui.classes
 
 
 def register():
     for cls in classes:
         bpy.utils.register_class(cls)
 
-    bpy.types.WindowManager.i18n_update_svn_settings = \
+    bpy.types.WindowManager.i18n_update_settings = \
         bpy.props.PointerProperty(type=update_ui.I18nUpdateTranslationSettings)
 
     # Init addon's preferences (unfortunately, as we are using an external storage for the properties,
@@ -58,4 +58,4 @@ def unregister():
     for cls in classes:
         bpy.utils.unregister_class(cls)
 
-    del bpy.types.WindowManager.i18n_update_svn_settings
+    del bpy.types.WindowManager.i18n_update_settings

ui_translate/settings.py

@@ -110,19 +110,10 @@ class UI_AP_i18n_settings(AddonPreferences):
         set=lambda self, val: _setattr(self._settings, "WARN_MSGID_NOT_CAPITALIZED", val),
     )
 
-    GETTEXT_MSGFMT_EXECUTABLE: StringProperty(
-        name="Gettext 'msgfmt' executable",
-        description="The gettext msgfmt 'compiler'. You’ll likely have to edit it if you’re under Windows",
-        subtype='FILE_PATH',
-        default="msgfmt",
-        get=lambda self: self._settings.GETTEXT_MSGFMT_EXECUTABLE,
-        set=lambda self, val: setattr(self._settings, "GETTEXT_MSGFMT_EXECUTABLE", val),
-    )
-
     FRIBIDI_LIB: StringProperty(
         name="Fribidi Library",
         description="The FriBidi C compiled library (.so under Linux, .dll under windows...), you’ll likely have "
-                    "to edit it if you’re under Windows, e.g. using the one included in svn's libraries repository",
+                    "to edit it if you’re under Windows, e.g. using the one included in Blender libraries repository",
         subtype='FILE_PATH',
         default="libfribidi.so.0",
         get=lambda self: self._settings.FRIBIDI_LIB,
@@ -178,7 +169,6 @@ class UI_AP_i18n_settings(AddonPreferences):
         layout.label(text="WARNING: preferences are lost when add-on is disabled, be sure to use \"Save Persistent\" "
                           "if you want to keep your settings!")
         layout.prop(self, "WARN_MSGID_NOT_CAPITALIZED")
-        layout.prop(self, "GETTEXT_MSGFMT_EXECUTABLE")
         layout.prop(self, "FRIBIDI_LIB")
         layout.prop(self, "SOURCE_DIR")
         layout.prop(self, "I18N_DIR")

ui_translate/update_addon.py

@@ -132,7 +132,7 @@ class UI_OT_i18n_addon_translation_update(Operator):
         _cached_enum_addons[:] = []
         if not hasattr(self, "settings"):
             self.settings = settings.settings
-        i18n_sett = context.window_manager.i18n_update_svn_settings
+        i18n_sett = context.window_manager.i18n_update_settings
 
         module_name, mod = validate_module(self, context)
 
@@ -220,7 +220,7 @@ class UI_OT_i18n_addon_translation_import(Operator):
         _cached_enum_addons[:] = []
         if not hasattr(self, "settings"):
             self.settings = settings.settings
-        i18n_sett = context.window_manager.i18n_update_svn_settings
+        i18n_sett = context.window_manager.i18n_update_settings
 
         module_name, mod = validate_module(self, context)
         if not (module_name and mod):
@@ -323,7 +323,7 @@ class UI_OT_i18n_addon_translation_export(Operator):
         _cached_enum_addons[:] = []
         if not hasattr(self, "settings"):
             self.settings = settings.settings
-        i18n_sett = context.window_manager.i18n_update_svn_settings
+        i18n_sett = context.window_manager.i18n_update_settings
 
         module_name, mod = validate_module(self, context)
         if not (module_name and mod):

ui_translate/update_repo.py

@@ -28,7 +28,7 @@ import tempfile
 
 # Operators ###################################################################
 
-def i18n_updatetranslation_svn_branches_callback(pot, lng, settings):
+def i18n_updatetranslation_work_repo_callback(pot, lng, settings):
     if not lng['use']:
         return
     if os.path.isfile(lng['po_path']):
@@ -40,10 +40,10 @@ def i18n_updatetranslation_svn_branches_callback(pot, lng, settings):
     print("{} PO written!".format(lng['uid']))
 
 
-class UI_OT_i18n_updatetranslation_svn_branches(Operator):
-    """Update i18n svn's branches (po files)"""
-    bl_idname = "ui.i18n_updatetranslation_svn_branches"
-    bl_label = "Update I18n Branches"
+class UI_OT_i18n_updatetranslation_work_repo(Operator):
+    """Update i18n working repository (po files)"""
+    bl_idname = "ui.i18n_updatetranslation_work_repo"
+    bl_label = "Update I18n Work Repo"
 
     use_skip_pot_gen: BoolProperty(
         name="Skip POT",
@@ -54,7 +54,7 @@ class UI_OT_i18n_updatetranslation_svn_branches(Operator):
     def execute(self, context):
         if not hasattr(self, "settings"):
             self.settings = settings.settings
-        i18n_sett = context.window_manager.i18n_update_svn_settings
+        i18n_sett = context.window_manager.i18n_update_settings
         self.settings.FILE_NAME_POT = i18n_sett.pot_path
 
         context.window_manager.progress_begin(0, len(i18n_sett.langs) + 1)
@@ -88,7 +88,7 @@ class UI_OT_i18n_updatetranslation_svn_branches(Operator):
         with concurrent.futures.ProcessPoolExecutor() as exctr:
             pot = utils_i18n.I18nMessages(kind='PO', src=self.settings.FILE_NAME_POT, settings=self.settings)
             num_langs = len(i18n_sett.langs)
-            for progress, _ in enumerate(exctr.map(i18n_updatetranslation_svn_branches_callback,
+            for progress, _ in enumerate(exctr.map(i18n_updatetranslation_work_repo_callback,
                                                    (pot,) * num_langs,
                                                    [dict(lng.items()) for lng in i18n_sett.langs],
                                                    (self.settings,) * num_langs,
@@ -102,7 +102,7 @@ class UI_OT_i18n_updatetranslation_svn_branches(Operator):
         return wm.invoke_props_dialog(self)
 
 
-def i18n_cleanuptranslation_svn_branches_callback(lng, settings):
+def i18n_cleanuptranslation_work_repo_callback(lng, settings):
     if not lng['use']:
         print("Skipping {} language ({}).".format(lng['name'], lng['uid']))
         return
@@ -115,15 +115,15 @@ def i18n_cleanuptranslation_svn_branches_callback(lng, settings):
           ("Errors in this po, solved as best as possible!\n\t" + "\n\t".join(errs) if errs else "") + "\n")
 
 
-class UI_OT_i18n_cleanuptranslation_svn_branches(Operator):
-    """Clean up i18n svn's branches (po files)"""
-    bl_idname = "ui.i18n_cleanuptranslation_svn_branches"
-    bl_label = "Clean up I18n Branches"
+class UI_OT_i18n_cleanuptranslation_work_repo(Operator):
+    """Clean up i18n working repository (po files)"""
+    bl_idname = "ui.i18n_cleanuptranslation_work_repo"
+    bl_label = "Clean up I18n Work Repo"
 
     def execute(self, context):
         if not hasattr(self, "settings"):
             self.settings = settings.settings
-        i18n_sett = context.window_manager.i18n_update_svn_settings
+        i18n_sett = context.window_manager.i18n_update_settings
         # 'DEFAULT' and en_US are always valid, fully-translated "languages"!
         stats = {"DEFAULT": 1.0, "en_US": 1.0}
 
@@ -131,7 +131,7 @@ class UI_OT_i18n_cleanuptranslation_svn_branches(Operator):
         context.window_manager.progress_update(0)
         with concurrent.futures.ProcessPoolExecutor() as exctr:
             num_langs = len(i18n_sett.langs)
-            for progress, _ in enumerate(exctr.map(i18n_cleanuptranslation_svn_branches_callback,
+            for progress, _ in enumerate(exctr.map(i18n_cleanuptranslation_work_repo_callback,
                                                    [dict(lng.items()) for lng in i18n_sett.langs],
                                                    (self.settings,) * num_langs,
                                                    chunksize=4)):
@@ -142,7 +142,7 @@ class UI_OT_i18n_cleanuptranslation_svn_branches(Operator):
         return {'FINISHED'}
 
 
-def i18n_updatetranslation_svn_trunk_callback(lng, settings):
+def i18n_updatetranslation_blender_repo_callback(lng, settings):
     reports = []
     if lng['uid'] in settings.IMPORT_LANGUAGES_SKIP:
         reports.append("Skipping {} language ({}), edit settings if you want to enable it.".format(lng['name'], lng['uid']))
@@ -156,32 +156,21 @@ def i18n_updatetranslation_svn_trunk_callback(lng, settings):
                    "Cleaned up {} commented messages.\n".format(lng['name'], lng['uid'], po.clean_commented()) +
                    ("Errors in this po, solved as best as possible!\n\t" + "\n\t".join(errs) if errs else ""))
     if lng['uid'] in settings.IMPORT_LANGUAGES_RTL:
-        po.write(kind="PO", dest=lng['po_path_trunk'][:-3] + "_raw.po")
         po.rtl_process()
-    po.write(kind="PO", dest=lng['po_path_trunk'])
-    po.write(kind="PO_COMPACT", dest=lng['po_path_git'])
-    ret = po.write(kind="MO", dest=lng['mo_path_trunk'])
-    if (ret.stdout):
-        reports.append(ret.stdout.decode().rstrip("\n"))
-    if (ret.stderr):
-        stderr_str = ret.stderr.decode().rstrip("\n")
-        if ret.returncode != 0:
-            reports.append("ERROR: " + stderr_str)
-        else:
-            reports.append(stderr_str)
+    po.write(kind="PO_COMPACT", dest=lng['po_path_blender'])
     po.update_info()
     return lng['uid'], po.nbr_trans_msgs / po.nbr_msgs, reports
 
 
-class UI_OT_i18n_updatetranslation_svn_trunk(Operator):
-    """Update i18n svn's branches (po files)"""
-    bl_idname = "ui.i18n_updatetranslation_svn_trunk"
-    bl_label = "Update I18n Trunk"
+class UI_OT_i18n_updatetranslation_blender_repo(Operator):
+    """Update i18n data (po files) in Blneder source code repository"""
+    bl_idname = "ui.i18n_updatetranslation_blender_repo"
+    bl_label = "Update I18n Blender Repo"
 
     def execute(self, context):
         if not hasattr(self, "settings"):
             self.settings = settings.settings
-        i18n_sett = context.window_manager.i18n_update_svn_settings
+        i18n_sett = context.window_manager.i18n_update_settings
         # 'DEFAULT' and en_US are always valid, fully-translated "languages"!
         stats = {"DEFAULT": 1.0, "en_US": 1.0}
 
@@ -189,7 +178,7 @@ class UI_OT_i18n_updatetranslation_svn_trunk(Operator):
         context.window_manager.progress_update(0)
         with concurrent.futures.ProcessPoolExecutor() as exctr:
             num_langs = len(i18n_sett.langs)
-            for progress, (lng_uid, stats_val, reports) in enumerate(exctr.map(i18n_updatetranslation_svn_trunk_callback,
+            for progress, (lng_uid, stats_val, reports) in enumerate(exctr.map(i18n_updatetranslation_blender_repo_callback,
                                                                       [dict(lng.items()) for lng in i18n_sett.langs],
                                                                       (self.settings,) * num_langs,
                                                                       chunksize=4)):
@@ -197,61 +186,31 @@ class UI_OT_i18n_updatetranslation_svn_trunk(Operator):
                 stats[lng_uid] = stats_val
                 print("".join(reports) + "\n")
 
-        # Copy pot file from branches to trunk.
-        shutil.copy2(self.settings.FILE_NAME_POT, self.settings.TRUNK_PO_DIR)
-
         print("Generating languages' menu...")
         context.window_manager.progress_update(progress + 2)
-        # First complete our statistics by checking po files we did not touch this time!
-        po_to_uid = {os.path.basename(lng.po_path): lng.uid for lng in i18n_sett.langs}
-        for po_path in os.listdir(self.settings.TRUNK_PO_DIR):
-            uid = po_to_uid.get(po_path, None)
-            po_path = os.path.join(self.settings.TRUNK_PO_DIR, po_path)
-            if uid and uid not in stats:
-                po = utils_i18n.I18nMessages(uid=uid, kind='PO', src=po_path, settings=self.settings)
-                stats[uid] = po.nbr_trans_msgs / po.nbr_msgs if po.nbr_msgs > 0 else 0
         languages_menu_lines = utils_languages_menu.gen_menu_file(stats, self.settings)
-        with open(os.path.join(self.settings.TRUNK_MO_DIR, self.settings.LANGUAGES_FILE), 'w', encoding="utf8") as f:
-            f.write("\n".join(languages_menu_lines))
-        with open(os.path.join(self.settings.GIT_I18N_ROOT, self.settings.LANGUAGES_FILE), 'w', encoding="utf8") as f:
+        with open(os.path.join(self.settings.BLENDER_I18N_ROOT, self.settings.LANGUAGES_FILE), 'w', encoding="utf8") as f:
             f.write("\n".join(languages_menu_lines))
         context.window_manager.progress_end()
 
         return {'FINISHED'}
 
 
-class UI_OT_i18n_updatetranslation_svn_statistics(Operator):
+class UI_OT_i18n_updatetranslation_statistics(Operator):
     """Create or extend a 'i18n_info.txt' Text datablock"""
-    """(it will contain statistics and checks about current branches and/or trunk)"""
-    bl_idname = "ui.i18n_updatetranslation_svn_statistics"
+    """(it will contain statistics and checks about current working repository PO files)"""
+    bl_idname = "ui.i18n_updatetranslation_statistics"
     bl_label = "Update I18n Statistics"
 
-    use_branches: BoolProperty(
-        name="Check Branches",
-        description="Check po files in branches",
-        default=True,
-    )
-
-    use_trunk: BoolProperty(
-        name="Check Trunk",
-        description="Check po files in trunk",
-        default=False,
-    )
-
     report_name = "i18n_info.txt"
 
     def execute(self, context):
         if not hasattr(self, "settings"):
             self.settings = settings.settings
-        i18n_sett = context.window_manager.i18n_update_svn_settings
+        i18n_sett = context.window_manager.i18n_update_settings
 
         buff = io.StringIO()
-        lst = []
-        if self.use_branches:
-            lst += [(lng, lng.po_path) for lng in i18n_sett.langs]
-        if self.use_trunk:
-            lst += [(lng, lng.po_path_trunk) for lng in i18n_sett.langs
-                                             if lng.uid not in self.settings.IMPORT_LANGUAGES_SKIP]
+        lst = [(lng, lng.po_path) for lng in i18n_sett.langs]
 
         context.window_manager.progress_begin(0, len(lst))
         context.window_manager.progress_update(0)
@@ -278,7 +237,7 @@ class UI_OT_i18n_updatetranslation_svn_statistics(Operator):
         data = text.as_string()
         data = data + "\n" + buff.getvalue()
         text.from_string(data)
-        self.report({'INFO'}, "Info written to {} text datablock!".format(self.report_name))
+        self.report({'INFO'}, "Info written to %s text datablock!" % self.report_name)
         context.window_manager.progress_end()
 
         return {'FINISHED'}
@@ -289,8 +248,8 @@ class UI_OT_i18n_updatetranslation_svn_statistics(Operator):
 
 
 classes = (
-    UI_OT_i18n_updatetranslation_svn_branches,
-    UI_OT_i18n_cleanuptranslation_svn_branches,
-    UI_OT_i18n_updatetranslation_svn_trunk,
-    UI_OT_i18n_updatetranslation_svn_statistics,
+    UI_OT_i18n_updatetranslation_work_repo,
+    UI_OT_i18n_cleanuptranslation_work_repo,
+    UI_OT_i18n_updatetranslation_blender_repo,
+    UI_OT_i18n_updatetranslation_statistics,
 )

ui_translate/update_ui.py

@@ -58,29 +58,15 @@ class I18nUpdateTranslationLanguage(PropertyGroup):
     )
 
     po_path: StringProperty(
-        name="PO File Path",
-        description="Path to the relevant po file in branches",
+        name="PO Work File Path",
+        description="Path to the relevant po file in the work repository",
         subtype='FILE_PATH',
         default="",
     )
 
-    po_path_trunk: StringProperty(
-        name="PO Trunk File Path",
-        description="Path to the relevant po file in trunk",
-        subtype='FILE_PATH',
-        default="",
-    )
-
-    mo_path_trunk: StringProperty(
-        name="MO File Path",
-        description="Path to the relevant mo file",
-        subtype='FILE_PATH',
-        default="",
-    )
-
-    po_path_git: StringProperty(
-        name="PO Git Master File Path",
-        description="Path to the relevant po file in Blender's translations git repository",
+    po_path_blender: StringProperty(
+        name="PO Blender File Path",
+        description="Path to the relevant po file in Blender's source repository",
         subtype='FILE_PATH',
         default="",
     )
@@ -92,7 +78,7 @@ class I18nUpdateTranslationSettings(PropertyGroup):
     langs: CollectionProperty(
         name="Languages",
         type=I18nUpdateTranslationLanguage,
-        description="Languages to update in branches",
+        description="Languages to update in work repository",
     )
 
     active_lang: IntProperty(
@@ -140,34 +126,35 @@ class UI_PT_i18n_update_translations_settings(Panel):
 
     def draw(self, context):
         layout = self.layout
-        i18n_sett = context.window_manager.i18n_update_svn_settings
+        i18n_sett = context.window_manager.i18n_update_settings
 
-        if not i18n_sett.is_init and bpy.ops.ui.i18n_updatetranslation_svn_init_settings.poll():
+        if not i18n_sett.is_init and bpy.ops.ui.i18n_updatetranslation_init_settings.poll():
             # Cannot call the operator from here, this code might run while `pyrna_write_check()` returns False
             # (which prevents any operator call from Python), during initialization of Blender.
-            UI_OT_i18n_updatetranslation_svn_init_settings.execute_static(context, settings.settings)
+            UI_OT_i18n_updatetranslation_init_settings.execute_static(context, settings.settings)
 
         if not i18n_sett.is_init:
             layout.label(text="Could not init languages data!")
             layout.label(text="Please edit the preferences of the UI Translate add-on")
-            layout.operator("ui.i18n_updatetranslation_svn_init_settings", text="Init Settings")
+            layout.operator("ui.i18n_updatetranslation_init_settings", text="Init Settings")
         else:
             split = layout.split(factor=0.75)
             split.template_list("UI_UL_i18n_languages", "", i18n_sett, "langs", i18n_sett, "active_lang", rows=8)
             col = split.column()
-            col.operator("ui.i18n_updatetranslation_svn_init_settings", text="Reset Settings")
+            col.operator("ui.i18n_updatetranslation_init_settings", text="Reset Settings")
             deselect = any(l.use for l in i18n_sett.langs)
-            op = col.operator("ui.i18n_updatetranslation_svn_settings_select",
+            op = col.operator("ui.i18n_updatetranslation_settings_select",
                               text="Deselect All" if deselect else "Select All")
             op.use_invert = False
             op.use_select = not deselect
-            col.operator("ui.i18n_updatetranslation_svn_settings_select", text="Invert Selection").use_invert = True
+            col.operator("ui.i18n_updatetranslation_settings_select", text="Invert Selection").use_invert = True
             col.separator()
-            col.operator("ui.i18n_updatetranslation_svn_branches", text="Update Branches")
-            col.operator("ui.i18n_updatetranslation_svn_trunk", text="Update Trunk")
+            col.operator("ui.i18n_updatetranslation_work_repo", text="Update Work Repo")
+            col.operator("ui.i18n_cleanuptranslation_work_repo", text="Clean up Work Repo")
             col.separator()
-            col.operator("ui.i18n_cleanuptranslation_svn_branches", text="Clean up Branches")
-            col.operator("ui.i18n_updatetranslation_svn_statistics", text="Statistics")
+            col.operator("ui.i18n_updatetranslation_blender_repo", text="Update Blender Repo")
+            col.separator()
+            col.operator("ui.i18n_updatetranslation_statistics", text="Statistics")
 
             if i18n_sett.active_lang >= 0 and i18n_sett.active_lang < len(i18n_sett.langs):
                 lng = i18n_sett.langs[i18n_sett.active_lang]
@@ -177,9 +164,7 @@ class UI_PT_i18n_update_translations_settings(Panel):
                 row.label(text="[{}]: \"{}\" ({})".format(lng.uid, iface_(lng.name), lng.num_id), translate=False)
                 row.prop(lng, "use", text="")
                 col.prop(lng, "po_path")
-                col.prop(lng, "po_path_trunk")
-                col.prop(lng, "mo_path_trunk")
-                col.prop(lng, "po_path_git")
+                col.prop(lng, "po_path_blender")
             layout.separator()
             layout.prop(i18n_sett, "pot_path")
 
@@ -196,10 +181,10 @@ class UI_PT_i18n_update_translations_settings(Panel):
 
 # Operators ###################################################################
 
-class UI_OT_i18n_updatetranslation_svn_init_settings(Operator):
-    """Init settings for i18n svn's update operators"""
+class UI_OT_i18n_updatetranslation_init_settings(Operator):
+    """Init settings for i18n files update operators"""
 
-    bl_idname = "ui.i18n_updatetranslation_svn_init_settings"
+    bl_idname = "ui.i18n_updatetranslation_init_settings"
     bl_label = "Init I18n Update Settings"
     bl_option = {'REGISTER'}
 
@@ -209,28 +194,27 @@ class UI_OT_i18n_updatetranslation_svn_init_settings(Operator):
 
     @staticmethod
     def execute_static(context, self_settings):
-        i18n_sett = context.window_manager.i18n_update_svn_settings
+        i18n_sett = context.window_manager.i18n_update_settings
 
         # First, create the list of languages from settings.
         i18n_sett.langs.clear()
-        root_br = self_settings.BRANCHES_DIR
-        root_tr_po = self_settings.TRUNK_PO_DIR
-        root_git_po = self_settings.GIT_I18N_PO_DIR
-        root_tr_mo = os.path.join(self_settings.TRUNK_DIR, self_settings.MO_PATH_TEMPLATE, self_settings.MO_FILE_NAME)
-        if not (os.path.isdir(root_br) and os.path.isdir(root_tr_po)):
+        root_work = self_settings.WORK_DIR
+        root_blender_po = self_settings.BLENDER_I18N_PO_DIR
+        print(root_work)
+        print(root_blender_po)
+        print(self_settings.FILE_NAME_POT)
+        if not (os.path.isdir(root_work) and os.path.isdir(root_blender_po)):
             i18n_sett.is_init = False
             return;
-        for can_use, uid, num_id, name, isocode, po_path_branch in utils_i18n.list_po_dir(root_br, self_settings):
+        for can_use, uid, num_id, name, isocode, po_path_work in utils_i18n.list_po_dir(root_work, self_settings):
             lng = i18n_sett.langs.add()
             lng.use = can_use
             lng.uid = uid
             lng.num_id = num_id
             lng.name = name
             if can_use:
-                lng.po_path = po_path_branch
-                lng.po_path_trunk = os.path.join(root_tr_po, isocode + ".po")
-                lng.mo_path_trunk = root_tr_mo.format(isocode)
-                lng.po_path_git = os.path.join(root_git_po, isocode + ".po")
+                lng.po_path = po_path_work
+                lng.po_path_blender = os.path.join(root_blender_po, isocode + ".po")
 
         i18n_sett.pot_path = self_settings.FILE_NAME_POT
         i18n_sett.is_init = True
@@ -241,18 +225,17 @@ class UI_OT_i18n_updatetranslation_svn_init_settings(Operator):
 
         self.execute_static(context, self.settings)
 
-        if context.window_manager.i18n_update_svn_settings.is_init is False:
+        if context.window_manager.i18n_update_settings.is_init is False:
             return {'CANCELLED'}
         return {'FINISHED'}
 
 
-class UI_OT_i18n_updatetranslation_svn_settings_select(Operator):
-    """(De)select (or invert selection of) all languages for i18n svn's update operators"""
+class UI_OT_i18n_updatetranslation_settings_select(Operator):
+    """(De)select (or invert selection of) all languages for i18n files update operators"""
 
-    bl_idname = "ui.i18n_updatetranslation_svn_settings_select"
+    bl_idname = "ui.i18n_updatetranslation_settings_select"
     bl_label = "Init I18n Update Select Languages"
 
-    # Operator Arguments
     use_select: BoolProperty(
         name="Select All",
         description="Select all if True, else deselect all",
@@ -264,7 +247,6 @@ class UI_OT_i18n_updatetranslation_svn_settings_select(Operator):
         description="Inverse selection (overrides 'Select All' when True)",
         default=False,
     )
-    # /End Operator Arguments
 
     @classmethod
     def poll(cls, context):
@@ -272,10 +254,10 @@ class UI_OT_i18n_updatetranslation_svn_settings_select(Operator):
 
     def execute(self, context):
         if self.use_invert:
-            for lng in context.window_manager.i18n_update_svn_settings.langs:
+            for lng in context.window_manager.i18n_update_settings.langs:
                 lng.use = not lng.use
         else:
-            for lng in context.window_manager.i18n_update_svn_settings.langs:
+            for lng in context.window_manager.i18n_update_settings.langs:
                 lng.use = self.use_select
         return {'FINISHED'}
 
@@ -285,6 +267,6 @@ classes = (
     I18nUpdateTranslationSettings,
     UI_UL_i18n_languages,
     UI_PT_i18n_update_translations_settings,
-    UI_OT_i18n_updatetranslation_svn_init_settings,
-    UI_OT_i18n_updatetranslation_svn_settings_select,
+    UI_OT_i18n_updatetranslation_init_settings,
+    UI_OT_i18n_updatetranslation_settings_select,
 )