164 lines
5.0 KiB
Python
164 lines
5.0 KiB
Python
# This file defines a set of methods that are useful for various
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# Relative Keying Set (RKS) related operations, such as: callbacks
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# for polling, iterator callbacks, and also generate callbacks.
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# All of these can be used in conjunction with the others.
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import bpy
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###########################
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# General Utilities
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# Append the specified property name on the the existing path
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def path_add_property(path, prop):
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if len(path):
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return path + "." + prop;
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else:
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return prop;
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###########################
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# Poll Callbacks
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# selected objects
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def RKS_POLL_selected_objects(ksi, context):
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return context.active_object or len(context.selected_objects);
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# selected bones
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def RKS_POLL_selected_bones(ksi, context):
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# we must be in Pose Mode, and there must be some bones selected
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if (context.active_object) and (context.active_object.mode == 'POSE'):
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if context.active_pose_bone or len(context.selected_pose_bones):
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return True;
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# nothing selected
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return False;
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# selected bones or objects
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def RKS_POLL_selected_items(ksi, context):
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return RKS_POLL_selected_bones(ksi, context) or RKS_POLL_selected_objects(ksi, context);
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###########################
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# Iterator Callbacks
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# all selected objects or pose bones, depending on which we've got
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def RKS_ITER_selected_item(ksi, context, ks):
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if (context.active_object) and (context.active_object.mode == 'POSE'):
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for bone in context.selected_pose_bones:
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ksi.generate(context, ks, bone)
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else:
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for ob in context.selected_objects:
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ksi.generate(context, ks, ob)
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###########################
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# Generate Callbacks
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# 'Available' F-Curves
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def RKS_GEN_available(ksi, context, ks, data):
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# try to get the animation data associated with the closest
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# ID-block to the data (neither of which may exist/be easy to find)
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id_block = data.id_data
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adt = getattr(id_block, "animation_data", None)
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# there must also be an active action...
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if adt is None or adt.action is None:
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return;
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# for each F-Curve, include an path to key it
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# NOTE: we don't need to set the group settings here
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for fcu in adt.action.fcurves:
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ks.paths.add(id_block, fcu.data_path, index=fcu.array_index)
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# ------
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# get ID block and based ID path for transform generators
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def get_transform_generators_base_info(data):
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# ID-block for the data
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id_block = data.id_data
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# get base path and grouping method/name
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if isinstance(data, bpy.types.ID):
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# no path in this case
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path = ""
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# data on ID-blocks directly should get grouped by the KeyingSet
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grouping = None
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else:
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# get the path to the ID-block
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path = data.path_from_id()
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# try to use the name of the data element to group the F-Curve
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# else fallback on the KeyingSet name
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grouping = getattr(data, "name", None)
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# return the ID-block and the path
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return id_block, path, grouping
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# Location
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def RKS_GEN_location(ksi, context, ks, data):
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# get id-block and path info
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id_block, base_path, grouping= get_transform_generators_base_info(data)
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# add the property name to the base path
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path = path_add_property(base_path, "location")
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# add Keying Set entry for this...
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if grouping:
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ks.paths.add(id_block, path, grouping_method='NAMED', group_name=grouping)
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else:
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ks.paths.add(id_block, path)
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# Rotation
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def RKS_GEN_rotation(ksi, context, ks, data):
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# get id-block and path info
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id_block, base_path, grouping= get_transform_generators_base_info(data)
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# add the property name to the base path
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# rotation mode affects the property used
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if data.rotation_mode == 'QUATERNION':
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path = path_add_property(base_path, "rotation_quaternion")
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elif data.rotation_mode == 'AXISANGLE':
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path = path_add_property(base_path, "rotation_axis_angle")
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else:
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path = path_add_property(base_path, "rotation_euler")
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# add Keying Set entry for this...
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if grouping:
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ks.paths.add(id_block, path, grouping_method='NAMED', group_name=grouping)
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else:
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ks.paths.add(id_block, path)
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# Scaling
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def RKS_GEN_scaling(ksi, context, ks, data):
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# get id-block and path info
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id_block, base_path, grouping= get_transform_generators_base_info(data)
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# add the property name to the base path
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path = path_add_property(base_path, "scale")
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# add Keying Set entry for this...
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if grouping:
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ks.paths.add(id_block, path, grouping_method='NAMED', group_name=grouping)
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else:
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ks.paths.add(id_block, path)
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###########################
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# Un-needed stuff which is here to just shut up the warnings...
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classes = []
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def register():
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register = bpy.types.register
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for cls in classes:
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register(cls)
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def unregister():
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unregister = bpy.types.unregister
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for cls in classes:
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unregister(cls)
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if __name__ == "__main__":
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register()
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###########################
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