ccd2e89d37
Reimplement copy geometry node groups in C. The version implemented in Python could also manually copy the animation data, but it's more standard to do this with `BKE_id_copy_ex` and `LIB_ID_COPY_ACTIONS`. Differential Revision: https://developer.blender.org/D14615
90 lines
2.3 KiB
Python
90 lines
2.3 KiB
Python
# SPDX-License-Identifier: GPL-2.0-or-later
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import bpy
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from bpy.types import Operator
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def geometry_node_group_empty_new():
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group = bpy.data.node_groups.new("Geometry Nodes", 'GeometryNodeTree')
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group.inputs.new('NodeSocketGeometry', "Geometry")
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group.outputs.new('NodeSocketGeometry', "Geometry")
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input_node = group.nodes.new('NodeGroupInput')
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output_node = group.nodes.new('NodeGroupOutput')
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output_node.is_active_output = True
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input_node.select = False
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output_node.select = False
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input_node.location.x = -200 - input_node.width
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output_node.location.x = 200
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group.links.new(output_node.inputs[0], input_node.outputs[0])
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return group
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def geometry_modifier_poll(context):
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ob = context.object
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# Test object support for geometry node modifier
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if not ob or ob.type not in {'MESH', 'POINTCLOUD', 'VOLUME', 'CURVE', 'FONT', 'CURVES'}:
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return False
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return True
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class NewGeometryNodesModifier(Operator):
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"""Create a new modifier with a new geometry node group"""
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bl_idname = "node.new_geometry_nodes_modifier"
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bl_label = "New Geometry Node Modifier"
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bl_options = {'REGISTER', 'UNDO'}
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@classmethod
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def poll(cls, context):
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return geometry_modifier_poll(context)
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def execute(self, context):
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modifier = context.object.modifiers.new("GeometryNodes", "NODES")
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if not modifier:
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return {'CANCELLED'}
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group = geometry_node_group_empty_new()
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modifier.node_group = group
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return {'FINISHED'}
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class NewGeometryNodeTreeAssign(Operator):
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"""Create a new geometry node group and assign it to the active modifier"""
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bl_idname = "node.new_geometry_node_group_assign"
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bl_label = "Assign New Geometry Node Group"
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bl_options = {'REGISTER', 'UNDO'}
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@classmethod
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def poll(cls, context):
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return geometry_modifier_poll(context)
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def execute(self, context):
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if context.area.type == 'PROPERTIES':
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modifier = context.modifier
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else:
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modifier = context.object.modifiers.active
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if not modifier:
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return {'CANCELLED'}
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group = geometry_node_group_empty_new()
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modifier.node_group = group
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return {'FINISHED'}
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classes = (
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NewGeometryNodesModifier,
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NewGeometryNodeTreeAssign,
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)
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