diff options
| -rw-r--r-- | rigify/__init__.py | 28 | ||||
| -rw-r--r-- | rigify/base_rig.py | 6 |
2 files changed, 34 insertions, 0 deletions
diff --git a/rigify/__init__.py b/rigify/__init__.py index 0ca663a8..35669a6a 100644 --- a/rigify/__init__.py +++ b/rigify/__init__.py @@ -267,6 +267,31 @@ class RigifySelectionColors(bpy.types.PropertyGroup): class RigifyParameters(bpy.types.PropertyGroup): name: StringProperty() +# Parameter update callback + +in_update = False + +def update_callback(prop_name): + from .utils.rig import get_rigify_type + + def callback(params, context): + global in_update + # Do not recursively call if the callback updates other parameters + if not in_update: + try: + in_update = True + bone = context.active_pose_bone + + if bone and bone.rigify_parameters == params: + rig_info = rig_lists.rigs.get(get_rigify_type(bone), None) + if rig_info: + rig_cb = getattr(rig_info["module"].Rig, 'on_parameter_update', None) + if rig_cb: + rig_cb(context, bone, params, prop_name) + finally: + in_update = False + + return callback # Remember the initial property set RIGIFY_PARAMETERS_BASE_DIR = set(dir(RigifyParameters)) @@ -328,6 +353,9 @@ class RigifyParameterValidator(object): # actually defining the property modifies the dictionary with new parameters, so copy it now new_def = (val[0], val[1].copy()) + # inject a generic update callback that calls the appropriate rig classmethod + val[1]['update'] = update_callback(name) + setattr(self.__params, name, val) self.__prop_table[name] = (self.__rig_name, new_def) diff --git a/rigify/base_rig.py b/rigify/base_rig.py index cae0e569..6b01c43a 100644 --- a/rigify/base_rig.py +++ b/rigify/base_rig.py @@ -236,6 +236,12 @@ class BaseRig(GenerateCallbackHost, RaiseErrorMixin, BoneUtilityMixin, Mechanism """ layout.label(text="No options") + @classmethod + def on_parameter_update(cls, context, pose_bone, params, param_name): + """ + A callback invoked whenever a parameter value is changed by the user. + """ + #============================================= # Rig Utility |