Advance M8-M11 parity workflows

tools/web/generate-nla-evaluation-fixture.py

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+import sys
+
+import bpy
+
+
+def mesh_object(name: str):
+    mesh = bpy.data.meshes.new(f"{name}Mesh")
+    mesh.from_pydata(
+        [(-1.0, -1.0, 0.0), (1.0, -1.0, 0.0), (0.0, 1.0, 0.0)],
+        [],
+        [(0, 1, 2)],
+    )
+    mesh.update()
+    obj = bpy.data.objects.new(name, mesh)
+    bpy.context.collection.objects.link(obj)
+    return obj
+
+
+def location_action(name: str, axis: int):
+    action = bpy.data.actions.new(name)
+    slot = action.slots.new("OBJECT", "M10NlaTimeMapping")
+    layer = action.layers.new("M10 NLA Keys")
+    keyframe_strip = layer.strips.new(type="KEYFRAME")
+    channelbag = keyframe_strip.channelbags.new(slot)
+    curve = channelbag.fcurves.new(data_path="location", index=axis)
+    curve.keyframe_points.add(2)
+    curve.keyframe_points[0].co = (1.0, 0.0)
+    curve.keyframe_points[1].co = (11.0, 10.0)
+    for keyframe in curve.keyframe_points:
+        keyframe.interpolation = "LINEAR"
+    action.frame_start = 1.0
+    action.frame_end = 11.0
+    return action, slot
+
+
+def configure_strip(strip, slot, *, frame_start, frame_end, scale, repeat, reverse):
+    strip.action_slot = slot
+    strip.action_frame_start = 1.0
+    strip.action_frame_end = 11.0
+    strip.frame_start = frame_start
+    strip.frame_end = frame_end
+    strip.scale = scale
+    strip.repeat = repeat
+    strip.blend_type = "REPLACE"
+    strip.extrapolation = "NOTHING"
+    strip.use_reverse = reverse
+    strip.influence = 1.0
+    strip.blend_in = 0.0
+    strip.blend_out = 0.0
+
+
+def main(output_path: str) -> None:
+    bpy.ops.wm.read_factory_settings(use_empty=True)
+    scene = bpy.context.scene
+    scene.frame_start = 1
+    scene.frame_end = 70
+
+    obj = mesh_object("M10_NLA_TimeMapping")
+    animation_data = obj.animation_data_create()
+    track = animation_data.nla_tracks.new()
+    track.name = "M10 Time Mapping"
+
+    scaled_action, scaled_slot = location_action("M10_NLA_Scaled_X", 0)
+    scaled_strip = track.strips.new("M10 Scaled Clip", 20, scaled_action)
+    configure_strip(
+        scaled_strip,
+        scaled_slot,
+        frame_start=20.0,
+        frame_end=40.0,
+        scale=2.0,
+        repeat=1.0,
+        reverse=False,
+    )
+
+    reverse_repeat_action, reverse_repeat_slot = location_action("M10_NLA_ReverseRepeat_Y", 1)
+    reverse_repeat_strip = track.strips.new("M10 Reverse Repeat Clip", 45, reverse_repeat_action)
+    configure_strip(
+        reverse_repeat_strip,
+        reverse_repeat_slot,
+        frame_start=45.0,
+        frame_end=65.0,
+        scale=1.0,
+        repeat=2.0,
+        reverse=True,
+    )
+
+    scene.frame_set(1)
+    bpy.ops.wm.save_as_mainfile(filepath=output_path, compress=True)
+
+
+if __name__ == "__main__":
+    if "--" not in sys.argv or len(sys.argv) <= sys.argv.index("--") + 1:
+        raise SystemExit("usage: blender -b --python generate-nla-evaluation-fixture.py -- output.blend")
+    main(sys.argv[sys.argv.index("--") + 1])