46 lines
1.5 KiB
Python
46 lines
1.5 KiB
Python
from typing import Any, Sequence
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from lib.archive import *
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def decode(
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reader: FArchiveReader, type_name: str, size: int, path: str
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) -> dict[str, Any]:
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if type_name != "ArrayProperty":
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raise Exception(f"Expected ArrayProperty, got {type_name}")
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value = reader.property(type_name, size, path, allow_custom=False)
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char_bytes = value["value"]["values"]
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value["value"] = decode_bytes(char_bytes)
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return value
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def decode_bytes(char_bytes: Sequence[int]) -> dict[str, Any]:
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reader = FArchiveReader(bytes(char_bytes))
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char_data = {}
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char_data["object"] = reader.properties_until_end()
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char_data["unknown_bytes"] = reader.byte_list(4)
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char_data["group_id"] = reader.guid()
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if not reader.eof():
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raise Exception("Warning: EOF not reached")
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return char_data
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def encode(
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writer: FArchiveWriter, property_type: str, properties: dict[str, Any]
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) -> int:
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if property_type != "ArrayProperty":
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raise Exception(f"Expected ArrayProperty, got {property_type}")
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del properties["custom_type"]
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encoded_bytes = encode_bytes(properties["value"])
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properties["value"] = {"values": [b for b in encoded_bytes]}
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return writer.property_inner(property_type, properties)
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def encode_bytes(p: dict[str, Any]) -> bytes:
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writer = FArchiveWriter()
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writer.properties(p["object"])
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writer.write(bytes(p["unknown_bytes"]))
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writer.guid(p["group_id"])
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encoded_bytes = writer.bytes()
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return encoded_bytes
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