85 lines
3.1 KiB
Python
85 lines
3.1 KiB
Python
# ***** BEGIN GPL LICENSE BLOCK *****
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software Foundation,
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# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# ***** END GPL LICENCE BLOCK *****
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#
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# (c) 2018, Blender Foundation - Sybren A. Stüvel
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"""Modifier handling code used in blocks2assets.py
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The _modifier_xxx() functions all yield result.BlockUsage objects for external
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files used by the modifiers.
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"""
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import typing
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from blender_asset_tracer import blendfile, bpathlib, cdefs
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from . import result
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def _modifier_filepath(modifier: blendfile.BlendFileBlock, block_name: bytes) \
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-> typing.Iterator[result.BlockUsage]:
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"""Just yield the 'filepath' field."""
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path, field = modifier.get(b'filepath', return_field=True)
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yield result.BlockUsage(modifier, path, path_full_field=field, block_name=block_name)
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def _modifier_ocean(modifier: blendfile.BlendFileBlock, block_name: bytes) \
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-> typing.Iterator[result.BlockUsage]:
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if not modifier[b'cached']:
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return
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path, field = modifier.get(b'cachepath', return_field=True)
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# The path indicates the directory containing the cached files.
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yield result.BlockUsage(modifier, path, is_sequence=True, path_full_field=field,
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block_name=block_name)
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def _modifier_particle_system(modifier: blendfile.BlendFileBlock, block_name: bytes) \
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-> typing.Iterator[result.BlockUsage]:
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psys = modifier.get_pointer(b'psys')
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if psys is None:
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return
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pointcache = psys.get_pointer(b'pointcache')
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if pointcache is None:
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return
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flag = pointcache[b'flag']
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if flag & cdefs.PTCACHE_DISK_CACHE:
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# See ptcache_path() in pointcache.c
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name, field = pointcache.get(b'name', return_field=True)
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path = b'//%b%b/%b_*%b' % (
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cdefs.PTCACHE_PATH,
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modifier.bfile.filepath.stem.encode(),
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name,
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cdefs.PTCACHE_EXT)
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bpath = bpathlib.BlendPath(path)
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yield result.BlockUsage(pointcache, bpath, path_full_field=field,
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is_sequence=True, block_name=block_name)
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if flag & cdefs.PTCACHE_EXTERNAL:
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path, field = pointcache.get(b'path', return_field=True)
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bpath = bpathlib.BlendPath(path)
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yield result.BlockUsage(pointcache, bpath, path_full_field=field,
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is_sequence=True, block_name=block_name)
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modifier_handlers = {
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cdefs.eModifierType_ParticleSystem: _modifier_particle_system,
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cdefs.eModifierType_Ocean: _modifier_ocean,
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cdefs.eModifierType_MeshCache: _modifier_filepath,
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}
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