55 lines
1.9 KiB
Python
55 lines
1.9 KiB
Python
from .. import util
|
|
from .. import resources
|
|
|
|
from .generic import MeshScript
|
|
from ..constants import log
|
|
|
|
from distutils.spawn import find_executable
|
|
|
|
import os
|
|
import platform
|
|
|
|
_search_path = os.environ['PATH']
|
|
if platform.system() == 'Windows':
|
|
# split existing path by delimiter
|
|
_search_path = [i for i in _search_path.split(';') if len(i) > 0]
|
|
_search_path.append(r'C:\Program Files\Blender Foundation\Blender')
|
|
_search_path.append(r'C:\Program Files (x86)\Blender Foundation\Blender')
|
|
_search_path = ';'.join(_search_path)
|
|
log.debug('searching for blender in: %s', _search_path)
|
|
|
|
if platform.system() == 'Darwin':
|
|
_search_path = [i for i in _search_path.split(':') if len(i) > 0]
|
|
_search_path.append('/Applications/blender.app/Contents/MacOS')
|
|
_search_path.append('/Applications/Blender.app/Contents/MacOS')
|
|
_search_path.append('/Applications/Blender/blender.app/Contents/MacOS')
|
|
_search_path = ':'.join(_search_path)
|
|
log.debug('searching for blender in: %s', _search_path)
|
|
|
|
_blender_executable = find_executable('blender', path=_search_path)
|
|
exists = _blender_executable is not None
|
|
|
|
|
|
def boolean(meshes, operation='difference', debug=False):
|
|
if not exists:
|
|
raise ValueError('No blender available!')
|
|
operation = str.upper(operation)
|
|
if operation == 'INTERSECTION':
|
|
operation = 'INTERSECT'
|
|
|
|
# get the template from our resources folder
|
|
template = resources.get('blender.py.template')
|
|
script = template.replace('$OPERATION', operation)
|
|
|
|
with MeshScript(meshes=meshes,
|
|
script=script,
|
|
debug=debug) as blend:
|
|
result = blend.run(_blender_executable +
|
|
' --background --python $SCRIPT')
|
|
|
|
for m in util.make_sequence(result):
|
|
# blender returns actively incorrect face normals
|
|
m.face_normals = None
|
|
|
|
return result
|