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Object.py
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128 lines (104 loc) · 4.08 KB
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from ..enums import BuildTarget
from ..helpers import TypeTreeHelper
from ..streams import EndianBinaryWriter, EndianBinaryReader
class Object:
type_tree: dict
def __init__(self, reader):
self.reader = reader
self.assets_file = reader.assets_file
self.type = reader.type
self.path_id = reader.path_id
self.version = reader.version
self.build_type = reader.build_type
self.platform = reader.platform
self.serialized_type = reader.serialized_type
self.byte_size = reader.byte_size
self.environment = reader.assets_file.environment
if self.platform == BuildTarget.NoTarget:
self._object_hide_flags = reader.read_u_int()
self.container = (
self.assets_file._container[self.path_id]
if self.path_id in self.assets_file._container
else None
)
self.reader.reset()
if type(self) == Object:
self.__dict__.update(self.read_type_tree().__dict__)
def has_struct_member(self, name: str) -> bool:
return self.serialized_type.m_Nodes and any(
[x.name == name for x in self.serialized_type.m_Nodes]
)
def dump(self) -> str:
self.reader.reset()
if getattr(self.serialized_type, "nodes", None):
sb = []
TypeTreeHelper(self.reader).read_type_string(sb, self.serialized_type.nodes)
return "".join(sb)
return ""
def read_type_tree(self) -> dict:
self.reader.reset()
if self.serialized_type.nodes:
self.type_tree = TypeTreeHelper(self.reader).read_value(
self.serialized_type.nodes, 0
)
else:
self.type_tree = {}
return NodeHelper(self.type_tree, self.assets_file)
def get_raw_data(self) -> bytes:
self.reader.reset()
return self.reader.read_bytes(self.byte_size)
def save(self, writer: EndianBinaryWriter, intern_call=False):
if intern_call:
if self.platform == BuildTarget.NoTarget:
writer.write_u_int(self._object_hide_flags)
def _save(self, writer):
# the reader is actually an ObjectReader,
# the data value is written back into the asset
self.reader.data = writer.bytes
def __getattr__(self, item):
"""
If item not found in __dict__, read type_tree and check if it is in there.
"""
self.read_type_tree()
if item in self.type_tree:
return self.type_tree[item]
def __repr__(self):
return "<%s %s>" % (self.__class__.__name__, self.name)
from .PPtr import PPtr
class NodeHelper(object):
def __init__(self, data, assets_file):
if "m_PathID" in data and "m_FileID" in data:
# used to make pointers directly useable
self.path_id = data["m_PathID"]
self.file_id = data["m_FileID"]
self.index = data.get("m_Index", -2)
self.assets_file = assets_file
self.__class__ = PPtr
else:
self.__dict__ = {
str(key): NodeHelper(val, assets_file) for key, val in data.items()
}
def __new__(cls, data, assets_file):
if isinstance(data, dict):
return super(NodeHelper, cls).__new__(cls)
elif isinstance(data, list):
return [NodeHelper(x, assets_file) for x in data]
return data
def __item__(self, key):
return self.__dict__[key]
def to_dict(self):
def dump(val):
return (
val.to_dict()
if isinstance(val, NodeHelper)
else [dump(item) for item in val]
if isinstance(val, list)
else {"m_PathID": val.path_id, "m_FileID": val.file_id}
if isinstance(val, PPtr)
else [x for x in val]
if isinstance(val, (bytearray, bytes))
else val
)
return {key: dump(val) for key, val in self.__dict__.items()}
def __repr__(self):
return "<NodeHelper - %s>" % self.__dict__.__repr__()