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""" |
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Author: Liam Collod |
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Last Modified: 05/12/2021 |
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HowTo: |
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- Select a top-group where all the hidden nodes inside need to be visible again. |
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- Run script. |
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Only select ONE object. |
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""" |
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import maya.cmds as cmds |
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def get_nodes_from_selection(include_hierarchy=True): |
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""" |
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Args: |
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include_hierarchy (bool): If True, the hierarchy for each node in the user selection will also be returned |
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Returns: |
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list of str: list of maya nodes by UUID, excluding shape nodes. |
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""" |
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user_sel = cmds.ls(sl=True, long=True) |
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if not user_sel: |
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raise ValueError("Original selection is empty") |
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if not include_hierarchy: |
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return nodes_list_to_uuid(user_sel) |
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output_node_list = [] |
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for user_node in user_sel: |
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child_list = get_children_hierarchy(node=user_node) |
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for child in child_list: |
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if child not in output_node_list: |
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# don't add if its a shape |
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if "shape" not in cmds.nodeType(child, inherited=True): |
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output_node_list.append(child) |
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if user_node not in output_node_list: |
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if "shape" not in cmds.nodeType(user_node, inherited=True): |
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output_node_list.append(user_node) |
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return nodes_list_to_uuid(output_node_list) |
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def get_children_hierarchy(node): |
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""" From a given node name return its hierarchy |
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Credit: https://gist.github.com/BigRoy/eddac6a93ad4ff233e2757c6bbccf3da |
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Args: |
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node(str): long name of the node |
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Returns: |
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list |
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""" |
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result = set() |
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children = set(cmds.listRelatives(node, fullPath=True) or []) |
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while children: |
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# logger.debug("child: {}".format(children)) |
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result.update(children) |
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children = set(cmds.listRelatives(children, fullPath=True) or []) - result |
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return list(result) |
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def nodes_list_to_uuid(node_list): |
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""" Convert a list of node name to a list of node UUID |
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Args: |
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node_list(list of str): |
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Returns: |
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list of str: list of UUID |
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""" |
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uuid_list = [] |
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for node in node_list: |
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uuid_list.extend(cmds.ls(node, uuid=True)) |
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return uuid_list |
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def set_visible(node_list): |
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""" |
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Args: |
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node_list(list of str): |
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""" |
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for node in node_list: |
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cmds.setAttr("{}.visibility".format(node), 1) |
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print( |
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"[HiddenNodes][set_visible] All nodes {} set" |
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"to visible.".format(node_list) |
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) |
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return |
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def main(): |
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children_nodes = get_nodes_from_selection() |
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hidden_nodes = list() |
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for child_node in children_nodes: |
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child_node = cmds.ls(child_node, long=True)[0] # convert from UUID to long name |
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if cmds.getAttr("{}.visibility".format(child_node)) == 0: |
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hidden_nodes.append(child_node) |
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cmds.select(hidden_nodes) |
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# make sure the user see what selected before prompting the window under |
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cmds.refresh(force=True) # doesn't work lol |
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print( |
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"[HiddenNodes][main] Found and selected" |
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"{} hidden nodes : {}".format(len(hidden_nodes), hidden_nodes) |
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) |
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make_visible = cmds.confirmDialog( |
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title='Make hidden visible ?', |
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message="The script found {} hidden nodes," |
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"do you wish to make them visible ?".format(len(hidden_nodes)), |
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button=['Yes','No'], |
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defaultButton='Yes', |
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cancelButton='No', |
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dismissString='No' |
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) |
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if make_visible == "Yes": |
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set_visible(hidden_nodes) |
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print("[HiddenNodes][main] Finished") |
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return |
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# execute main function |
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main() |
