52 lines
1.7 KiB
Python
52 lines
1.7 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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data_bytes = value["value"]["values"]
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value["value"] = decode_bytes(data_bytes)
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return value
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def decode_bytes(c_bytes: Sequence[int]) -> dict[str, Any]:
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if len(c_bytes) == 0:
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return None
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reader = FArchiveReader(bytes(c_bytes))
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data = {}
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data["permission"] = {
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"type_a": reader.tarray(lambda r: r.byte()),
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"type_b": reader.tarray(lambda r: r.byte()),
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"item_static_ids": reader.tarray(lambda r: r.fstring()),
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}
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if not reader.eof():
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raise Exception("Warning: EOF not reached")
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return 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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if p is None:
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return bytes()
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writer = FArchiveWriter()
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writer.tarray(lambda w, d: w.byte(d), p["permission"]["type_a"])
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writer.tarray(lambda w, d: w.byte(d), p["permission"]["type_b"])
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writer.tarray(lambda w, d: w.fstring(d), p["permission"]["item_static_ids"])
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encoded_bytes = writer.bytes()
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return encoded_bytes
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