73 lines
2.1 KiB
Python
73 lines
2.1 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(b_bytes: Sequence[int]) -> dict[str, Any]:
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reader = FArchiveReader(bytes(b_bytes))
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data = {}
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data["model_instance_id"] = reader.guid()
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pitch, yaw, roll = reader.compressed_short_rotator()
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x, y, z = reader.packed_vector(1)
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data["world_transform"] = {
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"rotator": {
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"pitch": pitch,
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"yaw": yaw,
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"roll": roll,
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},
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"location": {
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"x": x,
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"y": y,
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"z": z,
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},
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"scale_x": reader.float(),
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}
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data["hp"] = reader.i32()
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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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writer = FArchiveWriter()
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writer.guid(p["model_instance_id"])
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writer.compressed_short_rotator(
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p["world_transform"]["rotator"]["pitch"],
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p["world_transform"]["rotator"]["yaw"],
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p["world_transform"]["rotator"]["roll"],
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)
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writer.packed_vector(
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1,
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p["world_transform"]["location"]["x"],
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p["world_transform"]["location"]["y"],
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p["world_transform"]["location"]["z"],
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)
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writer.float(p["world_transform"]["scale_x"])
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writer.i32(p["hp"])
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encoded_bytes = writer.bytes()
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return encoded_bytes
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