65 lines
2.3 KiB
Python
65 lines
2.3 KiB
Python
"""Modifier handling code used in blocks2assets.py
|
|
|
|
The _modifier_xxx() functions all yield result.BlockUsage objects for external
|
|
files used by the modifiers.
|
|
"""
|
|
import typing
|
|
|
|
from blender_asset_tracer import blendfile, bpathlib
|
|
from . import result, cdefs
|
|
|
|
|
|
def _modifier_filepath(modifier: blendfile.BlendFileBlock, block_name: bytes) \
|
|
-> typing.Iterator[result.BlockUsage]:
|
|
"""Just yield the 'filepath' field."""
|
|
path, field = modifier.get(b'filepath', return_field=True)
|
|
yield result.BlockUsage(modifier, path, path_full_field=field, block_name=block_name)
|
|
|
|
|
|
def _modifier_ocean(modifier: blendfile.BlendFileBlock, block_name: bytes) \
|
|
-> typing.Iterator[result.BlockUsage]:
|
|
if not modifier[b'cached']:
|
|
return
|
|
|
|
path, field = modifier.get(b'cachepath', return_field=True)
|
|
# The path indicates the directory containing the cached files.
|
|
yield result.BlockUsage(modifier, path, is_sequence=True, path_full_field=field,
|
|
block_name=block_name)
|
|
|
|
|
|
def _modifier_particle_system(modifier: blendfile.BlendFileBlock, block_name: bytes) \
|
|
-> typing.Iterator[result.BlockUsage]:
|
|
psys = modifier.get_pointer(b'psys')
|
|
if psys is None:
|
|
return
|
|
|
|
pointcache = psys.get_pointer(b'pointcache')
|
|
if pointcache is None:
|
|
return
|
|
|
|
flag = pointcache[b'flag']
|
|
|
|
if flag & cdefs.PTCACHE_DISK_CACHE:
|
|
# See ptcache_path() in pointcache.c
|
|
name, field = pointcache.get(b'name', return_field=True)
|
|
path = b'//%b%b/%b_*%b' % (
|
|
cdefs.PTCACHE_PATH,
|
|
modifier.bfile.filepath.stem.encode(),
|
|
name,
|
|
cdefs.PTCACHE_EXT)
|
|
bpath = bpathlib.BlendPath(path)
|
|
yield result.BlockUsage(pointcache, bpath, path_full_field=field,
|
|
is_sequence=True, block_name=block_name)
|
|
|
|
if flag & cdefs.PTCACHE_EXTERNAL:
|
|
path, field = pointcache.get(b'path', return_field=True)
|
|
yield result.BlockUsage(pointcache, path, path_full_field=field,
|
|
is_sequence=True, block_name=block_name)
|
|
|
|
|
|
modifier_handlers = {
|
|
cdefs.eModifierType_ParticleSystem: _modifier_particle_system,
|
|
cdefs.eModifierType_Ocean: _modifier_ocean,
|
|
cdefs.eModifierType_MeshCache: _modifier_filepath,
|
|
}
|