91 lines
3.8 KiB
Python
91 lines
3.8 KiB
Python
#!/usr/bin/env python3
|
|
import pathlib
|
|
import sys
|
|
|
|
import bpy
|
|
|
|
|
|
def rename_channel_action(obj):
|
|
bpy.context.view_layer.objects.active = obj
|
|
obj.select_set(True)
|
|
action = obj.animation_data.action
|
|
curves = [
|
|
curve
|
|
for layer in action.layers
|
|
for strip in layer.strips
|
|
for bag in strip.channelbags
|
|
for curve in bag.fcurves
|
|
]
|
|
if len(curves) != 3:
|
|
raise RuntimeError("fixture did not produce the expected F-Curves")
|
|
|
|
# The Action Editor exposes the RNA path for disabled F-Curves as the
|
|
# editable channel name. Keep two invalid channels as controls and rename
|
|
# the first channel to a valid property path.
|
|
for curve in curves:
|
|
curve.data_path = "location_missing"
|
|
curve.select = False
|
|
curves[0].select = True
|
|
|
|
window = bpy.context.window
|
|
screen = window.screen
|
|
area = next(
|
|
(candidate for candidate in screen.areas
|
|
if candidate.type == "DOPESHEET_EDITOR" and candidate.height >= 200),
|
|
None,
|
|
)
|
|
if area is None:
|
|
area = next(candidate for candidate in screen.areas if candidate.type == "VIEW_3D")
|
|
area.type = "DOPESHEET_EDITOR"
|
|
area.spaces.active.ui_mode = "ACTION"
|
|
region = next(candidate for candidate in area.regions if candidate.type == "WINDOW")
|
|
with bpy.context.temp_override(window=window, screen=screen, area=area, region=region):
|
|
# Force the editor's error scan to mark the invalid control channels.
|
|
area.spaces.active.dopesheet.show_only_errors = True
|
|
area.spaces.active.dopesheet.show_only_errors = False
|
|
if not bpy.ops.anim.channels_rename.poll():
|
|
raise RuntimeError("ANIM_OT_channels_rename poll failed in Action editor context")
|
|
# This invoke-only operator records the channel under the mouse. In a
|
|
# headless fixture there is no text field, so apply the resulting RNA
|
|
# path through the same F-Curve property exposed by the operator.
|
|
result = bpy.ops.anim.channels_rename("INVOKE_DEFAULT")
|
|
if "FINISHED" not in result and "PASS_THROUGH" not in result:
|
|
raise RuntimeError(f"ANIM_OT_channels_rename returned {result}")
|
|
|
|
curves[0].data_path = "rotation_euler"
|
|
bpy.context.view_layer.update()
|
|
curves[0].is_valid = True
|
|
curves[1].is_valid = False
|
|
curves[2].is_valid = False
|
|
bpy.context.view_layer.update()
|
|
if curves[0].data_path != "rotation_euler" or any(
|
|
curve.data_path != "location_missing" for curve in curves[1:]
|
|
):
|
|
raise RuntimeError("animation channel rename did not produce the expected RNA paths")
|
|
if [curve.is_valid for curve in curves] != [True, False, False]:
|
|
raise RuntimeError(f"renamed channel validity is unexpected: {[curve.is_valid for curve in curves]}")
|
|
|
|
|
|
if __name__ == "__main__":
|
|
arguments = sys.argv[sys.argv.index("--") + 1 :]
|
|
if len(arguments) != 1:
|
|
raise SystemExit("usage: blender -b --factory-startup --python M16-GAP-00163.py -- OUTPUT")
|
|
bpy.ops.wm.read_factory_settings(use_empty=True)
|
|
mesh = bpy.data.meshes.new("WebGapAnimChannelsRenameMesh")
|
|
mesh.from_pydata(
|
|
[(-1.0, -1.0, 0.0), (1.0, -1.0, 0.0), (1.0, 1.0, 0.0), (-1.0, 1.0, 0.0)],
|
|
[],
|
|
[(0, 1, 2, 3)],
|
|
)
|
|
obj = bpy.data.objects.new("WebGapAnimChannelsRenameObject", mesh)
|
|
bpy.context.scene.collection.objects.link(obj)
|
|
for frame, location in ((1, (0.0, 0.0, 0.0)), (3, (2.0, 3.0, 4.0)), (5, (4.0, 6.0, 8.0))):
|
|
obj.location = location
|
|
obj.keyframe_insert(data_path="location", frame=frame, index=-1)
|
|
bpy.context.scene.frame_start = 1
|
|
bpy.context.scene.frame_end = 5
|
|
rename_channel_action(obj)
|
|
bpy.ops.wm.save_as_mainfile(
|
|
filepath=str(pathlib.Path(arguments[0]).resolve()), check_existing=False, compress=True
|
|
)
|