Files
Bioxel/bioxelnodes/bioxelutils/node.py
2024-09-11 13:10:50 +08:00

71 lines
2.1 KiB
Python

from pathlib import Path
import bpy
from .common import get_file_prop, get_node_lib_path, set_file_prop
from ..exceptions import Incompatible, NoFound
from ..constants import VERSIONS
def get_node_group(node_type: str, use_link=True):
# unannotate below for local debug in node lib file.
# node_group = bpy.data.node_groups[node_type]
# return node_group
# added node is always from latest node version
addon_version = VERSIONS[0]["node_version"]
addon_lib_path = get_node_lib_path(addon_version)
if get_file_prop("node_version") is None:
set_file_prop("node_version", addon_version)
local_lib_path = None
for node_group in bpy.data.node_groups:
if node_group.name.startswith("BioxelNodes"):
lib = node_group.library
if lib:
lib_path = Path(bpy.path.abspath(lib.filepath)).resolve()
if lib_path != addon_lib_path:
local_lib_path = lib_path
break
# local lib first
lib_path = local_lib_path or addon_lib_path
bpy.ops.wm.append('EXEC_DEFAULT',
directory=f"{lib_path.as_posix()}/NodeTree",
filename=node_type,
link=use_link,
use_recursive=True,
do_reuse_local_id=True)
node_group = bpy.data.node_groups.get(node_type)
if node_group is None:
raise NoFound('No custom node found')
return node_group
def assign_node_group(node, node_type: str):
node.node_tree = bpy.data.node_groups[node_type]
node.width = 200.0
node.name = node_type
return node
def add_node_to_graph(node_name: str, node_group, node_label=None, use_link=True):
node_type = f"BioxelNodes_{node_name}"
node_label = node_label or node_name
# Deselect all nodes first
for node in node_group.nodes:
if node.select:
node.select = False
get_node_group(node_type, use_link)
node = node_group.nodes.new("GeometryNodeGroup")
assign_node_group(node, node_type)
node.label = node_label
node.show_options = False
return node