curve_tools/__init__.py

@@ -6,7 +6,7 @@ bl_info = {
     "name": "Curve Tools",
     "description": "Adds some functionality for bezier/nurbs curve/surface modeling",
     "author": "Mackraken, Spivak Vladimir (cwolf3d)",
-    "version": (0, 4, 5),
+    "version": (0, 4, 6),
     "blender": (2, 80, 0),
     "location": "View3D > Tool Shelf > Edit Tab",
     "doc_url": "{BLENDER_MANUAL_URL}/addons/add_curve/curve_tools.html",

curve_tools/operators.py

@@ -52,18 +52,23 @@ class OperatorCurveInfo(bpy.types.Operator):
 class OperatorCurveLength(bpy.types.Operator):
     bl_idname = "curvetools.operatorcurvelength"
     bl_label = "Length"
-    bl_description = "Calculates the length of the active/selected curve"
+    bl_description = "Calculates the length of the active/selected curves"
 
 
     @classmethod
     def poll(cls, context):
-        return util.Selected1Curve()
+        return util.Selected1OrMoreCurves()
 
 
     def execute(self, context):
-        curve = curves.Curve(context.active_object)
+        selCurves = util.GetSelectedCurves()
 
-        context.scene.curvetools.CurveLength = curve.length
+        length = 0
+        for blCurve in selCurves:
+            curve = curves.Curve(blCurve)
+            length += curve.length
+
+        context.scene.curvetools.CurveLength = length
 
         return {'FINISHED'}
 

hydra_storm/__init__.py

@@ -1,8 +1,6 @@
+# SPDX-FileCopyrightText: 2011-2022 Blender Foundation
+#
 # SPDX-License-Identifier: Apache-2.0
-# Copyright 2011-2022 Blender Foundation
-
-# <pep8 compliant>
-
 
 bl_info = {
     "name": "Hydra Storm render engine",

hydra_storm/engine.py

@@ -1,10 +1,10 @@
+# SPDX-FileCopyrightText: 2011-2022 Blender Foundation
+#
 # SPDX-License-Identifier: Apache-2.0
-# Copyright 2011-2022 Blender Foundation
-
-# <pep8 compliant>
 
 import bpy
 
+
 class StormHydraRenderEngine(bpy.types.HydraRenderEngine):
     bl_idname = 'HYDRA_STORM'
     bl_label = "Hydra Storm"
@@ -19,11 +19,11 @@ class StormHydraRenderEngine(bpy.types.HydraRenderEngine):
         settings = bpy.context.scene.hydra_storm.viewport if engine_type == 'VIEWPORT' else \
             bpy.context.scene.hydra_storm.final
         result = {
-            'enableTinyPrimCulling': settings.enable_tiny_prim_culling,
+            'enableTinyPrimCulling': settings.use_tiny_prim_culling,
+            'maxLights': settings.max_lights,
             'volumeRaymarchingStepSize': settings.volume_raymarching_step_size,
             'volumeRaymarchingStepSizeLighting': settings.volume_raymarching_step_size_lighting,
             'volumeMaxTextureMemoryPerField': settings.volume_max_texture_memory_per_field,
-            'maxLights': settings.max_lights,
         }
 
         if engine_type != 'VIEWPORT':
@@ -35,6 +35,8 @@ class StormHydraRenderEngine(bpy.types.HydraRenderEngine):
         return result
 
     def update_render_passes(self, scene, render_layer):
+        if render_layer.use_pass_combined:
+            self.register_pass(scene, render_layer, 'Combined', 4, 'RGBA', 'COLOR')
         if render_layer.use_pass_z:
             self.register_pass(scene, render_layer, 'Depth', 1, 'Z', 'VALUE')
 

hydra_storm/properties.py

@@ -1,7 +1,6 @@
+# SPDX-FileCopyrightText: 2011-2022 Blender Foundation
+#
 # SPDX-License-Identifier: Apache-2.0
-# Copyright 2011-2022 Blender Foundation
-
-# <pep8 compliant>
 
 import bpy
 
@@ -23,9 +22,14 @@ class Properties(bpy.types.PropertyGroup):
 
 
 class RenderProperties(bpy.types.PropertyGroup):
-    enable_tiny_prim_culling: bpy.props.BoolProperty(
+    max_lights: bpy.props.IntProperty(
+        name="Max Lights",
+        description="Limit maximum number of lights",
+        default=16, min=0, max=16,
+    )
+    use_tiny_prim_culling: bpy.props.BoolProperty(
         name="Tiny Prim Culling",
-        description="Enable Tiny Prim Culling",
+        description="Hide small geometry primitives to improve performance",
         default=False,
     )
     volume_raymarching_step_size: bpy.props.FloatProperty(
@@ -43,11 +47,6 @@ class RenderProperties(bpy.types.PropertyGroup):
         description="Maximum memory for a volume field texture in Mb (unless overridden by field prim)",
         default=128.0,
     )
-    max_lights: bpy.props.IntProperty(
-        name="Max Lights",
-        description="Limit maximum number of lights",
-        default=16, min=0, max=16,
-    )
 
 
 class SceneProperties(Properties):

hydra_storm/ui.py

@@ -1,7 +1,6 @@
+# SPDX-FileCopyrightText: 2011-2022 Blender Foundation
+#
 # SPDX-License-Identifier: Apache-2.0
-# Copyright 2011-2022 Blender Foundation
-
-# <pep8 compliant>
 
 import bpy
 
@@ -20,12 +19,32 @@ class Panel(bpy.types.Panel):
 
 
 #
-# Final render settings
+# Quality render settings
 #
-class STORM_HYDRA_RENDER_PT_final(Panel):
+class STORM_HYDRA_RENDER_PT_quality(Panel):
-    """Final render delegate and settings"""
+    bl_label = "Quality"
-    bl_idname = 'STORM_HYDRA_RENDER_PT_final'
+
-    bl_label = "Final Render Settings"
+    def draw(self, layout):
+        pass
+
+
+class STORM_HYDRA_RENDER_PT_quality_viewport(Panel):
+    bl_label = "Viewport"
+    bl_parent_id = "STORM_HYDRA_RENDER_PT_quality"
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = True
+        layout.use_property_decorate = False
+
+        settings = context.scene.hydra_storm.viewport
+        layout.prop(settings, 'max_lights')
+        layout.prop(settings, 'use_tiny_prim_culling')
+
+
+class STORM_HYDRA_RENDER_PT_quality_render(Panel):
+    bl_label = "Render"
+    bl_parent_id = "STORM_HYDRA_RENDER_PT_quality"
 
     def draw(self, context):
         layout = self.layout
@@ -33,17 +52,42 @@ class STORM_HYDRA_RENDER_PT_final(Panel):
         layout.use_property_decorate = False
 
         settings = context.scene.hydra_storm.final
-        layout.prop(settings, 'enable_tiny_prim_culling')
         layout.prop(settings, 'max_lights')
+        layout.prop(settings, 'use_tiny_prim_culling')
 
 
-class STORM_HYDRA_RENDER_PT_volume_final(bpy.types.Panel):
+#
-    bl_parent_id = STORM_HYDRA_RENDER_PT_final.bl_idname
+# Volume render settings
-    bl_label = "Volume Raymarching"
+#
-    bl_space_type = 'PROPERTIES'
+class STORM_HYDRA_RENDER_PT_volumes(Panel):
-    bl_region_type = 'WINDOW'
+    bl_label = "Volumes"
     bl_options = {'DEFAULT_CLOSED'}
 
+    def draw(self, layout):
+        pass
+
+
+class STORM_HYDRA_RENDER_PT_volumes_viewport(Panel):
+    bl_label = "Viewport"
+    bl_parent_id = "STORM_HYDRA_RENDER_PT_volumes"
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = True
+        layout.use_property_decorate = False
+
+        settings = context.scene.hydra_storm.viewport
+
+        col = layout.column(align=True)
+        col.prop(settings, "volume_raymarching_step_size", text="Step Size")
+        col.prop(settings, "volume_raymarching_step_size_lighting", text="Step Size Lightning")
+        col.prop(settings, "volume_max_texture_memory_per_field")
+
+
+class STORM_HYDRA_RENDER_PT_volumes_render(Panel):
+    bl_label = "Render"
+    bl_parent_id = "STORM_HYDRA_RENDER_PT_volumes"
+
     def draw(self, context):
         layout = self.layout
         layout.use_property_split = True
@@ -58,28 +102,10 @@ class STORM_HYDRA_RENDER_PT_volume_final(bpy.types.Panel):
 
 
 #
-# Viewport render settings
+# Film settings
 #
-class STORM_HYDRA_RENDER_PT_viewport(Panel):
+class STORM_HYDRA_RENDER_PT_film(Panel):
-    """Viewport render delegate and settings"""
+    bl_label = "Film"
-    bl_idname = 'STORM_HYDRA_RENDER_PT_viewport'
-    bl_label = "Viewport Render Settings"
-
-    def draw(self, context):
-        layout = self.layout
-        layout.use_property_split = True
-        layout.use_property_decorate = False
-
-        settings = context.scene.hydra_storm.viewport
-        layout.prop(settings, 'enable_tiny_prim_culling')
-        layout.prop(settings, 'max_lights')
-
-
-class STORM_HYDRA_RENDER_PT_volume_viewport(bpy.types.Panel):
-    bl_parent_id = STORM_HYDRA_RENDER_PT_viewport.bl_idname
-    bl_label = "Volume Raymarching"
-    bl_space_type = 'PROPERTIES'
-    bl_region_type = 'WINDOW'
     bl_options = {'DEFAULT_CLOSED'}
 
     def draw(self, context):
@@ -87,14 +113,40 @@ class STORM_HYDRA_RENDER_PT_volume_viewport(bpy.types.Panel):
         layout.use_property_split = True
         layout.use_property_decorate = False
 
-        settings = context.scene.hydra_storm.viewport
+        layout.prop(context.scene.render, "film_transparent", text="Transparent Background")
-
-        col = layout.column(align=True)
-        col.prop(settings, "volume_raymarching_step_size", text="Step Size")
-        col.prop(settings, "volume_raymarching_step_size_lighting", text="Step Size Lightning")
-        col.prop(settings, "volume_max_texture_memory_per_field")
 
 
+#
+# View layer settings
+#
+class STORM_HYDRA_RENDER_PT_passes(Panel):
+    bl_label = "Passes"
+    bl_context = "view_layer"
+
+    def draw(self, context):
+        pass
+
+
+class STORM_HYDRA_RENDER_PT_passes_data(Panel):
+    bl_label = "Data"
+    bl_context = "view_layer"
+    bl_parent_id = "STORM_HYDRA_RENDER_PT_passes"
+
+    def draw(self, context):
+        layout = self.layout
+        layout.use_property_split = True
+        layout.use_property_decorate = False
+
+        view_layer = context.view_layer
+
+        col = layout.column(heading="Include", align=True)
+        col.prop(view_layer, "use_pass_combined")
+        col.prop(view_layer, "use_pass_z")
+
+
+#
+# Light settings
+#
 class STORM_HYDRA_LIGHT_PT_light(Panel):
     """Physical light sources"""
     bl_label = "Light"
@@ -148,49 +200,13 @@ class STORM_HYDRA_LIGHT_PT_light(Panel):
                 main_col.prop(light, 'size')
 
 
-class STORM_HYDRA_RENDER_PT_film(Panel):
-    bl_label = "Film"
-    bl_space_type = 'PROPERTIES'
-    bl_region_type = 'WINDOW'
-    bl_options = {'DEFAULT_CLOSED'}
-
-    def draw(self, context):
-        layout = self.layout
-        layout.use_property_split = True
-        layout.use_property_decorate = False
-
-        layout.prop(context.scene.render, "film_transparent", text="Transparent Background")
-
-
-class STORM_HYDRA_RENDER_PT_passes(Panel):
-    bl_label = "Passes"
-    bl_context = "view_layer"
-
-    def draw(self, context):
-        pass
-
-
-class STORM_HYDRA_RENDER_PT_passes_data(Panel):
-    bl_label = "Data"
-    bl_context = "view_layer"
-    bl_parent_id = "STORM_HYDRA_RENDER_PT_passes"
-
-    def draw(self, context):
-        layout = self.layout
-        layout.use_property_split = True
-        layout.use_property_decorate = False
-
-        view_layer = context.view_layer
-
-        col = layout.column(heading="Include", align=True)
-        col.prop(view_layer, "use_pass_z")
-
-
 register_classes, unregister_classes = bpy.utils.register_classes_factory((
-    STORM_HYDRA_RENDER_PT_final,
+    STORM_HYDRA_RENDER_PT_quality,
-    STORM_HYDRA_RENDER_PT_volume_final,
+    STORM_HYDRA_RENDER_PT_quality_viewport,
-    STORM_HYDRA_RENDER_PT_viewport,
+    STORM_HYDRA_RENDER_PT_quality_render,
-    STORM_HYDRA_RENDER_PT_volume_viewport,
+    STORM_HYDRA_RENDER_PT_volumes,
+    STORM_HYDRA_RENDER_PT_volumes_viewport,
+    STORM_HYDRA_RENDER_PT_volumes_render,
     STORM_HYDRA_RENDER_PT_film,
     STORM_HYDRA_LIGHT_PT_light,
     STORM_HYDRA_RENDER_PT_passes,

io_anim_bvh/__init__.py

@@ -142,7 +142,6 @@ class BVH_PT_import_main(bpy.types.Panel):
     bl_parent_id = "FILE_PT_operator"
     bl_options = {'HIDE_HEADER'}
 
-
     @classmethod
     def poll(cls, context):
         sfile = context.space_data
@@ -368,6 +367,7 @@ classes = (
     BVH_PT_export_animation,
 )
 
+
 def register():
     for cls in classes:
         bpy.utils.register_class(cls)
@@ -383,5 +383,6 @@ def unregister():
     bpy.types.TOPBAR_MT_file_import.remove(menu_func_import)
     bpy.types.TOPBAR_MT_file_export.remove(menu_func_export)
 
+
 if __name__ == "__main__":
     register()

io_anim_bvh/export_bvh.py

@@ -77,7 +77,12 @@ def write_armature(
         if (bone.use_connect or root_transform_only) and bone.parent:
             file.write("%s\tCHANNELS 3 %srotation %srotation %srotation\n" % (indent_str, *rot_order_str))
         else:
-            file.write("%s\tCHANNELS 6 Xposition Yposition Zposition %srotation %srotation %srotation\n" % (indent_str, *rot_order_str))
+            file.write(
+                "%s\tCHANNELS 6 Xposition Yposition Zposition %srotation %srotation %srotation\n" % (
+                    indent_str,
+                    *rot_order_str,
+                )
+            )
 
         if my_children:
             # store the location for the children
@@ -250,7 +255,13 @@ def write_armature(
             if not dbone.skip_position:
                 file.write("%.6f %.6f %.6f " % (loc * global_scale)[:])
 
-            file.write("%.6f %.6f %.6f " % (degrees(rot[dbone.rot_order[0]]), degrees(rot[dbone.rot_order[1]]), degrees(rot[dbone.rot_order[2]])))
+            file.write(
+                "%.6f %.6f %.6f " % (
+                    degrees(rot[dbone.rot_order[0]]),
+                    degrees(rot[dbone.rot_order[1]]),
+                    degrees(rot[dbone.rot_order[2]]),
+                )
+            )
 
             dbone.prev_euler = rot
 

io_anim_bvh/import_bvh.py

@@ -137,6 +137,14 @@ def read_bvh(context, file_path, rotate_mode='XYZ', global_scale=1.0):
             # Make sure the names are unique - Object names will match joint names exactly and both will be unique.
             name = file_lines[lineIdx][1]
 
+            # While unlikely, there exists a user report of duplicate joint names, see: #109399.
+            if name in bvh_nodes:
+                name_orig = name
+                name_index = 1
+                while (name := "%s.%03d" % (name_orig, name_index)) in bvh_nodes:
+                    name_index += 1
+                del name_orig, name_index
+
             # print '%snode: %s, parent: %s' % (len(bvh_nodes_serial) * '  ', name,  bvh_nodes_serial[-1])
 
             lineIdx += 2  # Increment to the next line (Offset)

io_scene_3ds/export_3ds.py

@@ -551,10 +551,10 @@ def make_percent_subchunk(chunk_id, percent):
     return pct_sub
 
 
-def make_texture_chunk(chunk_id, images):
+def make_texture_chunk(chunk_id, images, pct):
     """Make Material Map texture chunk."""
     # Add texture percentage value (100 = 1.0)
-    mat_sub = make_percent_subchunk(chunk_id, 1)
+    mat_sub = make_percent_subchunk(chunk_id, pct)
     has_entry = False
 
     def add_image(img):
@@ -748,17 +748,16 @@ def make_material_chunk(material, image):
 
         # Make sure no textures are lost. Everything that doesn't fit
         # into a channel is exported as secondary texture
-        diffuse = []
+        matmap = False
-
+        lks = material.node_tree.links
-        for link in wrap.material.node_tree.links:
+        pct = next((lk.from_node.inputs[0].default_value for lk in lks if lk.from_node.type in {'MIX', 'MIX_RGB'} and lk.to_node.type == 'BSDF_PRINCIPLED'), 0.5)
-            if link.from_node.type == 'TEX_IMAGE' and link.to_node.type in {'MIX', 'MIX_RGB'}:
+        for link in mtlks:
-                diffuse = [link.from_node.image]
+            mix_primary = link.from_node.image if link.from_node.type == 'TEX_IMAGE' and link.to_socket.identifier in {'Color2', 'B_Color'} else False
-
+            mix_secondary = link.from_node.image if link.from_node.type == 'TEX_IMAGE' and link.to_socket.identifier in {'Color1', 'A_Color'} else False
-        if diffuse:
+            if mix_secondary:
-            if not primary_tex:
+                matmap = make_uv_texture_chunk(MAT_TEXMAP, [mix_secondary], pct)
-                matmap = make_texture_chunk(MAT_DIFFUSEMAP, diffuse)
+            elif not primary_tex and mix_primary:
-            else:
+                material_chunk.add_subchunk(make_uv_texture_chunk(MAT_DIFFUSEMAP, [mix_primary], pct))
-                matmap = make_texture_chunk(MAT_TEX2MAP, diffuse)
         if matmap:
             material_chunk.add_subchunk(matmap)
 

io_scene_fbx/__init__.py

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

io_scene_fbx/import_fbx.py

@@ -169,6 +169,7 @@ def elem_prop_first(elem, default=None):
 # ----
 # Support for
 # Properties70: { ... P:
+# Custom properties ("user properties" in FBX) are ignored here and get handled separately (see #104773).
 def elem_props_find_first(elem, elem_prop_id):
     if elem is None:
         # When properties are not found... Should never happen, but happens - as usual.
@@ -185,7 +186,8 @@ def elem_props_find_first(elem, elem_prop_id):
 
     for subelem in elem.elems:
         assert(subelem.id == b'P')
-        if subelem.props[0] == elem_prop_id:
+        # 'U' flag indicates that the property has been defined by the user.
+        if subelem.props[0] == elem_prop_id and b'U' not in subelem.props[3]:
             return subelem
     return None
 
@@ -1885,7 +1887,6 @@ def blen_read_light(fbx_tmpl, fbx_obj, settings):
     # TODO, cycles nodes???
     lamp.color = elem_props_get_color_rgb(fbx_props, b'Color', (1.0, 1.0, 1.0))
     lamp.energy = elem_props_get_number(fbx_props, b'Intensity', 100.0) / 100.0
-    lamp.distance = elem_props_get_number(fbx_props, b'DecayStart', 25.0) * settings.global_scale
     lamp.use_shadow = elem_props_get_bool(fbx_props, b'CastShadow', True)
     if hasattr(lamp, "cycles"):
         lamp.cycles.cast_shadow = lamp.use_shadow

io_scene_fbx/parse_fbx.py

@@ -13,6 +13,7 @@ __all__ = (
 from struct import unpack
 import array
 import zlib
+from io import BytesIO
 
 from . import data_types
 
@@ -20,7 +21,7 @@ from . import data_types
 # that the sub-scope exists (i.e. to distinguish between P: and P : {})
 _BLOCK_SENTINEL_LENGTH = ...
 _BLOCK_SENTINEL_DATA = ...
-read_fbx_elem_uint = ...
+read_fbx_elem_start = ...
 _IS_BIG_ENDIAN = (__import__("sys").byteorder != 'little')
 _HEAD_MAGIC = b'Kaydara FBX Binary\x20\x20\x00\x1a\x00'
 from collections import namedtuple
@@ -32,10 +33,6 @@ def read_uint(read):
     return unpack(b'<I', read(4))[0]
 
 
-def read_uint64(read):
-    return unpack(b'<Q', read(8))[0]
-
-
 def read_ubyte(read):
     return unpack(b'B', read(1))[0]
 
@@ -46,10 +43,24 @@ def read_string_ubyte(read):
     return data
 
 
+def read_array_params(read):
+    return unpack(b'<III', read(12))
+
+
+def read_elem_start32(read):
+    end_offset, prop_count, _prop_length, elem_id_size = unpack(b'<IIIB', read(13))
+    elem_id = read(elem_id_size) if elem_id_size else b""
+    return end_offset, prop_count, elem_id
+
+
+def read_elem_start64(read):
+    end_offset, prop_count, _prop_length, elem_id_size = unpack(b'<QQQB', read(25))
+    elem_id = read(elem_id_size) if elem_id_size else b""
+    return end_offset, prop_count, elem_id
+
+
 def unpack_array(read, array_type, array_stride, array_byteswap):
-    length = read_uint(read)
+    length, encoding, comp_len = read_array_params(read)
-    encoding = read_uint(read)
-    comp_len = read_uint(read)
 
     data = read(comp_len)
 
@@ -89,33 +100,32 @@ read_data_dict = {
 #   * The NULL block marking end of nested stuff switches from 13 bytes long to 25 bytes long.
 #   * The FBX element metadata (end_offset, prop_count and prop_length) switch from uint32 to uint64.
 def init_version(fbx_version):
-    global _BLOCK_SENTINEL_LENGTH, _BLOCK_SENTINEL_DATA, read_fbx_elem_uint
+    global _BLOCK_SENTINEL_LENGTH, _BLOCK_SENTINEL_DATA, read_fbx_elem_start
 
     _BLOCK_SENTINEL_LENGTH = ...
     _BLOCK_SENTINEL_DATA = ...
-    read_fbx_elem_uint = ...
 
     if fbx_version < 7500:
         _BLOCK_SENTINEL_LENGTH = 13
-        read_fbx_elem_uint = read_uint
+        read_fbx_elem_start = read_elem_start32
     else:
         _BLOCK_SENTINEL_LENGTH = 25
-        read_fbx_elem_uint = read_uint64
+        read_fbx_elem_start = read_elem_start64
     _BLOCK_SENTINEL_DATA = (b'\0' * _BLOCK_SENTINEL_LENGTH)
 
 
-def read_elem(read, tell, use_namedtuple):
+def read_elem(read, tell, use_namedtuple, tell_file_offset=0):
     # [0] the offset at which this block ends
     # [1] the number of properties in the scope
     # [2] the length of the property list
-    end_offset = read_fbx_elem_uint(read)
+    # [3] elem name length
+    # [4] elem name of the scope/key
+    # read_fbx_elem_start does not return [2] because we don't use it and does not return [3] because it is only used to
+    # get [4].
+    end_offset, prop_count, elem_id = read_fbx_elem_start(read)
     if end_offset == 0:
         return None
 
-    prop_count = read_fbx_elem_uint(read)
-    prop_length = read_fbx_elem_uint(read)
-
-    elem_id = read_string_ubyte(read)        # elem name of the scope/key
     elem_props_type = bytearray(prop_count)  # elem property types
     elem_props_data = [None] * prop_count    # elem properties (if any)
     elem_subtree = []                        # elem children (if any)
@@ -125,15 +135,58 @@ def read_elem(read, tell, use_namedtuple):
         elem_props_data[i] = read_data_dict[data_type](read)
         elem_props_type[i] = data_type
 
-    if tell() < end_offset:
+    pos = tell()
-        while tell() < (end_offset - _BLOCK_SENTINEL_LENGTH):
+    local_end_offset = end_offset - tell_file_offset
-            elem_subtree.append(read_elem(read, tell, use_namedtuple))
 
+    if pos < local_end_offset:
+        # The default BufferedReader used when `open()`-ing files in 'rb' mode has to get the raw stream position from
+        # the OS every time its tell() function is called. This is about 10 times slower than the tell() function of
+        # BytesIO objects, so reading chunks of bytes from the file into memory at once and exposing them through
+        # BytesIO can give better performance. We know the total size of each element's subtree so can read entire
+        # subtrees into memory at a time.
+        # The "Objects" element's subtree, however, usually makes up most of the file, so we specifically avoid reading
+        # all its sub-elements into memory at once to reduce memory requirements at the cost of slightly worse
+        # performance when memory is not a concern.
+        # If we're currently reading directly from the opened file, then tell_file_offset will be zero.
+        if tell_file_offset == 0 and elem_id != b"Objects":
+            block_bytes_remaining = local_end_offset - pos
+
+            # Read the entire subtree
+            sub_elem_bytes = read(block_bytes_remaining)
+            num_bytes_read = len(sub_elem_bytes)
+            if num_bytes_read != block_bytes_remaining:
+                raise IOError("failed to read complete nested block, expected %i bytes, but only got %i"
+                              % (block_bytes_remaining, num_bytes_read))
+
+            # BytesIO provides IO API for reading bytes in memory, so we can use the same code as reading bytes directly
+            # from a file.
+            f = BytesIO(sub_elem_bytes)
+            tell = f.tell
+            read = f.read
+            # The new `tell` function starts at zero and is offset by `pos` bytes from the start of the file.
+            start_sub_pos = 0
+            tell_file_offset = pos
+            sub_tree_end = block_bytes_remaining - _BLOCK_SENTINEL_LENGTH
+        else:
+            # The `tell` function is unchanged, so starts at the value returned by `tell()`, which is still `pos`
+            # because no reads have been made since then.
+            start_sub_pos = pos
+            sub_tree_end = local_end_offset - _BLOCK_SENTINEL_LENGTH
+
+        sub_pos = start_sub_pos
+        while sub_pos < sub_tree_end:
+            elem_subtree.append(read_elem(read, tell, use_namedtuple, tell_file_offset))
+            sub_pos = tell()
+
+        # At the end of each subtree there should be a sentinel (an empty element with all bytes set to zero).
         if read(_BLOCK_SENTINEL_LENGTH) != _BLOCK_SENTINEL_DATA:
             raise IOError("failed to read nested block sentinel, "
                           "expected all bytes to be 0")
 
-    if tell() != end_offset:
+        # Update `pos` for the number of bytes that have been read.
+        pos += (sub_pos - start_sub_pos) + _BLOCK_SENTINEL_LENGTH
+
+    if pos != local_end_offset:
         raise IOError("scope length not reached, something is wrong")
 
     args = (elem_id, elem_props_data, elem_props_type, elem_subtree)

io_scene_gltf2/__init__.py

@@ -5,8 +5,8 @@
 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, 5),
+    "version": (4, 0, 6),
-    'blender': (3, 5, 0),
+    'blender': (4, 0, 0),
     'location': 'File > Import-Export',
     'description': 'Import-Export as glTF 2.0',
     'warning': '',

io_scene_gltf2/blender/exp/gltf2_blender_get.py

@@ -72,9 +72,9 @@ def get_socket(blender_material: bpy.types.Material, name: str, volume=False):
             type = bpy.types.ShaderNodeBackground
             name = "Color"
         elif name == "sheenColor":
-            return get_node_socket(blender_material, bpy.types.ShaderNodeBsdfVelvet, "Color")
+            return get_node_socket(blender_material, bpy.types.ShaderNodeBsdfSheen, "Color")
         elif name == "sheenRoughness":
-            return get_node_socket(blender_material, bpy.types.ShaderNodeBsdfVelvet, "Sigma")
+            return get_node_socket(blender_material, bpy.types.ShaderNodeBsdfSheen, "Roughness")
         else:
             if volume is False:
                 type = bpy.types.ShaderNodeBsdfPrincipled

io_scene_gltf2/blender/exp/material/gltf2_blender_gather_image.py

@@ -233,7 +233,7 @@ def __get_image_data_mapping(sockets, results, export_settings) -> ExportImage:
                 dst_chan = Channel.G
             elif socket.name == "Specular": # For original KHR_material_specular
                 dst_chan = Channel.A
-            elif socket.name == "Sigma": # For KHR_materials_sheen
+            elif socket.name == "Roughness" and socket.node.type == "BSDF_SHEEN": # For KHR_materials_sheen
                 dst_chan = Channel.A
 
             if dst_chan is not None:

io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_pbrSpecularGlossiness.py

@@ -31,7 +31,7 @@ def pbr_specular_glossiness(mh):
         make_emission_socket=mh.needs_emissive(),
         make_alpha_socket=not mh.is_opaque(),
         make_volume_socket=None, # No possible to have KHR_materials_volume with specular/glossiness
-        make_velvet_socket=None # No possible to have KHR_materials_volume with specular/glossiness
+        make_sheen_socket=None # No possible to have KHR_materials_volume with specular/glossiness
     )
 
     if emission_socket:

io_scene_gltf2/blender/imp/gltf2_blender_KHR_materials_unlit.py

@@ -33,7 +33,7 @@ def unlit(mh):
         make_emission_socket=False,
         make_alpha_socket=not mh.is_opaque(),
         make_volume_socket=None, # Not possible to have KHR_materials_volume with unlit
-        make_velvet_socket=None #Not possible to have KHR_materials_sheen with unlit
+        make_sheen_socket=None #Not possible to have KHR_materials_sheen with unlit
     )
 
     base_color(

io_scene_gltf2/blender/imp/gltf2_blender_pbrMetallicRoughness.py

@@ -72,11 +72,11 @@ def pbr_metallic_roughness(mh: MaterialHelper):
                 volume_location = additional_location
                 additional_location = additional_location[0], additional_location[1] - 150
 
-    need_velvet_node = False
+    need_sheen_node = False
     if mh.pymat.extensions and 'KHR_materials_sheen' in mh.pymat.extensions:
-        need_velvet_node = True
+        need_sheen_node = True
 
-    _, _, volume_socket, velvet_node = make_output_nodes(
+    _, _, volume_socket, sheen_node = make_output_nodes(
         mh,
         location=(250, 260),
         additional_location=additional_location,
@@ -84,7 +84,7 @@ def pbr_metallic_roughness(mh: MaterialHelper):
         make_emission_socket=False, # is managed by Principled shader node
         make_alpha_socket=False, # is managed by Principled shader node
         make_volume_socket=need_volume_node,
-        make_velvet_socket=need_velvet_node
+        make_sheen_socket=need_sheen_node
     )
 
 
@@ -171,13 +171,13 @@ def pbr_metallic_roughness(mh: MaterialHelper):
         location_original_specularcolor=locs['original_specularColorTexture']
     )
 
-    if need_velvet_node:
+    if need_sheen_node:
         sheen(
             mh,
             location_sheenColor=locs['sheenColorTexture'],
             location_sheenRoughness=locs['sheenRoughnessTexture'],
-            sheenColor_socket=velvet_node.inputs[0],
+            sheenColor_socket=sheen_node.inputs[0],
-            sheenRoughness_socket=velvet_node.inputs[1]
+            sheenRoughness_socket=sheen_node.inputs[1]
         )
 
     ior(
@@ -616,7 +616,7 @@ def occlusion(mh: MaterialHelper, location, occlusion_socket):
 
 # => [Add Emission] => [Mix Alpha] => [Material Output] if needed, only for SpecGlossiness
 # => [Volume] => [Add Shader] => [Material Output] if needed
-# => [Velvet] => [Add Shader] => [Material Output] if needed
+# => [Sheen] => [Add Shader] => [Material Output] if needed
 def make_output_nodes(
     mh: MaterialHelper,
     location,
@@ -625,7 +625,7 @@ def make_output_nodes(
     make_emission_socket,
     make_alpha_socket,
     make_volume_socket,
-    make_velvet_socket, # For sheen
+    make_sheen_socket,
 ):
     """
     Creates the Material Output node and connects shader_socket to it.
@@ -637,7 +637,7 @@ def make_output_nodes(
     """
     x, y = location
     emission_socket = None
-    velvet_node = None
+    sheen_node = None
     alpha_socket = None
 
     # Create an Emission node and add it to the shader.
@@ -666,22 +666,22 @@ def make_output_nodes(
             x += 380
             y += 125
 
-    # Create an Velvet node add add it to the shader
+    # Create an Sheen node add add it to the shader
-    # Note that you can not have Emission & Velvet at the same time
+    # Note that you can not have Emission & Sheen at the same time
-    if make_velvet_socket:
+    if make_sheen_socket:
-        # Velvet
+        # Sheen
-        node = mh.node_tree.nodes.new("ShaderNodeBsdfVelvet")
+        node = mh.node_tree.nodes.new("ShaderNodeBsdfSheen")
         node.location = x + 50, y + 250
         # Node
-        velvet_node = node
+        sheen_node = node
         # Outputs
-        velvet_output = node.outputs[0]
+        sheen_output = node.outputs[0]
 
         # Add
         node = mh.node_tree.nodes.new('ShaderNodeAddShader')
         node.location = x + 250, y + 160
         # Inputs
-        mh.node_tree.links.new(node.inputs[0], velvet_output)
+        mh.node_tree.links.new(node.inputs[0], sheen_output)
         mh.node_tree.links.new(node.inputs[1], shader_socket)
         # Outputs
         shader_socket = node.outputs[0]
@@ -730,7 +730,7 @@ def make_output_nodes(
         volume_socket = node.outputs[0]
 
 
-    return emission_socket, alpha_socket, volume_socket, velvet_node
+    return emission_socket, alpha_socket, volume_socket, sheen_node
 
 
 def make_settings_node(mh):

render_copy_settings/__init__.py

@@ -5,8 +5,8 @@
 bl_info = {
     "name": "Copy Render Settings",
     "author": "Bastien Montagne",
-    "version": (1, 1, 0),
+    "version": (1, 2, 0),
-    "blender": (3, 0, 0),
+    "blender": (3, 6, 0),
     "location": "Render buttons (Properties window)",
     "description": "Allows to copy a selection of render settings "
                    "from current scene to others.",

render_copy_settings/presets.py

@@ -16,9 +16,6 @@ presets = (CopyPreset("Resolution",
            CopyPreset("Scale",
                       ("scale", "Render Scale", "The “Render Scale” setting"),
                       {"resolution_percentage"}),
-           CopyPreset("OSA",
-                      ("osa", "Render OSA", "The OSA toggle and sample settings"),
-                      {"use_antialiasing", "antialiasing_samples"}),
            CopyPreset("Threads",
                       ("threads", "Render Threads", "The thread mode and number settings"),
                       {"threads_mode", "threads"}),

render_freestyle_svg.py

@@ -158,6 +158,8 @@ def create_path(scene):
     else:
         frame = "{:04d}-{:04d}".format(scene.frame_start, scene.frame_end)
         
+    os.makedirs(dirname, exist_ok=True)
+    
     return os.path.join(dirname, basename + frame + ".svg")