feat: support blender 4.2 extension

extension/__init__.py

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+import bpy
+
+from . import auto_load
+from . import menus
+
+
+auto_load.init()
+
+
+def register():
+    auto_load.register()
+    menus.add()
+    bpy.types.Scene.bioxel_layer_dir = bpy.props.StringProperty(
+        name="Bioxel Layers Directory",
+        subtype='DIR_PATH',
+        default="//"
+    )
+
+
+def unregister():
+    menus.remove()
+    auto_load.unregister()

extension/blender_manifest.toml

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+schema_version = "1.0.0"
+
+# Example of manifest file for a Blender extension
+# Change the values according to your extension
+id = "bioxelnodes"
+version = "0.2.0"
+name = "Bioxel Nodes"
+tagline = "For scientific volumetric data visualization in Blender"
+maintainer = "Ma Nan <icrdr2010@outlook.com>"
+# Supported types: "add-on", "theme"
+type = "add-on"
+
+# Optional: add-ons can list which resources they will require:
+# * "files" (for access of any filesystem operations)
+# * "network" (for internet access)
+# * "clipboard" (to read and/or write the system clipboard)
+# * "camera" (to capture photos and videos)
+# * "microphone" (to capture audio)
+permissions = ["files"]
+
+# Optional link to documentation, support, source files, etc
+website = "https://omoolab.github.io/BioxelNodes/latest"
+
+# Optional list defined by Blender and server, see:
+# https://docs.blender.org/manual/en/dev/extensions/tags.html
+tags = ["Geometry Nodes", "Render", "Material"]
+
+blender_version_min = "4.2.0"
+# Optional: maximum supported Blender version
+# blender_version_max = "5.1.0"
+
+# License conforming to https://spdx.org/licenses/ (use "SPDX: prefix)
+# https://docs.blender.org/manual/en/dev/extensions/licenses.html
+license = ["SPDX:MIT"]
+# Optional: required by some licenses.
+copyright = ["2024 OmooLab"]
+
+# Optional list of supported platforms. If omitted, the extension will be available in all operating systems.
+platforms = ["windows-amd64", "macos-x86_64"]
+# Other supported platforms: "windows-arm64", "macos-x86_64"
+
+# TODO: externalpackage to wheels
+# Optional: bundle 3rd party Python modules.
+# https://docs.blender.org/manual/en/dev/extensions/python_wheels.html
+wheels = [
+  "./wheels/SimpleITK-2.3.1-cp311-cp311-win_amd64.whl",
+  "./wheels/SimpleITK-2.3.1-cp311-cp311-macosx_11_0_arm64.whl",
+]
+
+# Optional: build setting.
+# https://docs.blender.org/manual/en/dev/extensions/command_line_arguments.html#command-line-args-extension-build
+# [build]
+# paths_exclude_pattern = [
+#   "/.git/"
+#   "__pycache__/"
+# ]

extension/preferences.py

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+import bpy
+from pathlib import Path
+
+class BioxelNodesPreferences(bpy.types.AddonPreferences):
+    bl_idname = __package__
+
+    cache_dir: bpy.props.StringProperty(
+        name="Set Cache Directory",
+        subtype='DIR_PATH',
+        default=str(Path(Path.home(), '.bioxelnodes'))
+    )  # type: ignore
+
+    do_change_render_setting: bpy.props.BoolProperty(
+        name="Change Render Setting",
+        default=True,
+    )  # type: ignore
+
+    def draw(self, context):
+        layout = self.layout
+
+        layout.label(text="Configuration")
+        layout.prop(self, 'cache_dir')
+        layout.prop(self, "do_change_render_setting")