diff options
Diffstat (limited to 'release/scripts/modules/bpy_extras/node_utils.py')
-rw-r--r-- | release/scripts/modules/bpy_extras/node_utils.py | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/release/scripts/modules/bpy_extras/node_utils.py b/release/scripts/modules/bpy_extras/node_utils.py new file mode 100644 index 00000000000..3b8d4ad7c2a --- /dev/null +++ b/release/scripts/modules/bpy_extras/node_utils.py @@ -0,0 +1,47 @@ +# ##### BEGIN GPL LICENSE BLOCK ##### +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software Foundation, +# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +# +# ##### END GPL LICENSE BLOCK ##### + +# <pep8-80 compliant> + +__all__ = ( + "find_node_input", + "find_output_node", + ) + + +# XXX Names are not unique. Returns the first match. +def find_node_input(node, name): + for input in node.inputs: + if input.name == name: + return input + + return None + +# Return the output node to display in the UI +def find_output_node(ntree, nodetype): + if ntree: + active_output_node = None + for node in ntree.nodes: + if getattr(node, "type", None) == nodetype: + if getattr(node, "is_active_output", True): + return node + if not active_output_node: + active_output_node = node + return active_output_node + + return None |