2025-12-01

extensions/blender_org/remove_static_fcurves/__init__.py

@@ -0,0 +1,63 @@
+import bpy
+
+
+class RemoveStaticFcurvesOperator(bpy.types.Operator):
+    """Operator to remove static FCurves"""
+    bl_idname = "graph.remove_static_fcurves"
+    bl_label = "Remove Static FCurves"
+    bl_options = {"REGISTER", "UNDO"}
+
+    def execute(self, context):
+        has_selection = any(obj.select_get()
+                            for obj in bpy.context.selected_objects)
+
+        if not has_selection:
+            self.report({'ERROR_INVALID_INPUT'}, "Please select objects.")
+        else:
+            self.remove_static_fcurves()
+            self.report({'INFO'}, "Removed static animation channels.")
+        return {'FINISHED'}
+
+    @staticmethod
+    def is_static_fcurve(fcurve):
+        """Check if an FCurve is static (all keyframes have the same value)."""
+        keyframes = fcurve.keyframe_points
+        if len(keyframes) < 2:
+            return True  # A single keyframe is considered static
+
+        first_value = keyframes[0].co[1]
+        return all(kf.co[1] == first_value for kf in keyframes)
+
+    @staticmethod
+    def remove_static_fcurves():
+        """Remove static FCurves that have no data."""
+        for obj in bpy.context.selected_objects:
+            if obj.animation_data and obj.animation_data.action:
+                action = obj.animation_data.action
+                fcurves_to_remove = [
+                    fcurve for fcurve in action.fcurves if RemoveStaticFcurvesOperator.is_static_fcurve(fcurve)]
+
+                for fcurve in fcurves_to_remove:
+                    action.fcurves.remove(fcurve)
+
+
+def menu_func(self, context):
+    self.layout.operator(RemoveStaticFcurvesOperator.bl_idname)
+
+
+def register():
+    bpy.utils.register_class(RemoveStaticFcurvesOperator)
+    bpy.types.GRAPH_MT_channel.append(menu_func)
+    bpy.types.DOPESHEET_MT_channel.append(menu_func)
+    print("[Remove Static FCurves] registered")
+
+
+def unregister():
+    bpy.utils.unregister_class(RemoveStaticFcurvesOperator)
+    bpy.types.GRAPH_MT_channel.remove(menu_func)
+    bpy.types.DOPESHEET_MT_channel.remove(menu_func)
+    print("[Remove Static FCurves] unregistered")
+
+
+if __name__ == "__main__":
+    register()

extensions/blender_org/remove_static_fcurves/blender_manifest.toml

@@ -0,0 +1,75 @@
+schema_version = "1.0.0"
+
+# Example of manifest file for a Blender extension
+# Change the values according to your extension
+id = "remove_static_fcurves"
+version = "0.2.1"
+name = "Remove Static FCurves"
+tagline = "Clean up animation channels that have no data"
+maintainer = "Loki McKay <lokimckay@gmail.com>"
+# Supported types: "add-on", "theme"
+type = "add-on"
+
+# # Optional: link to documentation, support, source files, etc
+# website = "https://extensions.blender.org/add-ons/my-example-package/"
+
+# # Optional: tag list defined by Blender and server, see:
+# # https://docs.blender.org/manual/en/dev/advanced/extensions/tags.html
+tags = ["Animation"]
+
+blender_version_min = "4.2.0"
+# # Optional: Blender version that the extension does not support, earlier versions are supported.
+# # This can be omitted and defined later on the extensions platform if an issue is found.
+# blender_version_max = "5.1.0"
+
+# License conforming to https://spdx.org/licenses/ (use "SPDX: prefix)
+# https://docs.blender.org/manual/en/dev/advanced/extensions/licenses.html
+license = [
+  "SPDX:GPL-3.0-or-later",
+]
+# # Optional: required by some licenses.
+# copyright = [
+#   "2002-2024 Developer Name",
+#   "1998 Company Name",
+# ]
+
+# # Optional: list of supported platforms. If omitted, the extension will be available in all operating systems.
+# platforms = ["windows-x64", "macos-arm64", "linux-x64"]
+# # Other supported platforms: "windows-arm64", "macos-x64"
+
+# # Optional: bundle 3rd party Python modules.
+# # https://docs.blender.org/manual/en/dev/advanced/extensions/python_wheels.html
+# wheels = [
+#   "./wheels/hexdump-3.3-py3-none-any.whl",
+#   "./wheels/jsmin-3.0.1-py3-none-any.whl",
+# ]
+
+# # 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)
+# #
+# # If using network, remember to also check `bpy.app.online_access`
+# # https://docs.blender.org/manual/en/dev/advanced/extensions/addons.html#internet-access
+# #
+# # For each permission it is important to also specify the reason why it is required.
+# # Keep this a single short sentence without a period (.) at the end.
+# # For longer explanations use the documentation or detail page.
+#
+# [permissions]
+# network = "Need to sync motion-capture data to server"
+# files = "Import/export FBX from/to disk"
+# clipboard = "Copy and paste bone transforms"
+
+# # Optional: advanced build settings.
+# # https://docs.blender.org/manual/en/dev/advanced/extensions/command_line_arguments.html#command-line-args-extension-build
+# [build]
+# # These are the default build excluded patterns.
+# # You only need to edit them if you want different options.
+# paths_exclude_pattern = [
+#   "__pycache__/",
+#   "/.git/",
+#   "/*.zip",
+# ]