Source code for eolib.protocol.net.server.npc_update_chat

# Generated from the eo-protocol XML specification.
#
# This file should not be modified.
# Changes will be lost when code is regenerated.

from ....serialization_error import SerializationError
from .....data.eo_writer import EoWriter
from .....data.eo_reader import EoReader



class NpcUpdateChat:
    """
    An NPC talking
    """
    _byte_size: int = 0
    _npc_index: int
    _message_length: int
    _message: str



    def __init__(self, *, npc_index: int, message: str):
        """
        Create a new instance of NpcUpdateChat.

        Args:
            npc_index: (Value range is 0-252.)
            message: (Length must be 252 or less.)
        """
        self._npc_index = npc_index
        self._message = message
        self._message_length = len(self._message)


    @property
    def byte_size(self) -> int:
        """
        The size of the data that this was deserialized from.
        """
        return self._byte_size

    @property
    def npc_index(self) -> int:
        """
        The `npc_index` field.
        """
        return self._npc_index

    @property
    def message(self) -> str:
        """
        The `message` field.
        """
        return self._message



    @staticmethod
    def serialize(writer: EoWriter, data: "NpcUpdateChat") -> None:
        """
        Serializes an instance of `NpcUpdateChat` to the provided `EoWriter`.

        Args:
            writer (EoWriter): The writer that the data will be serialized to.
            data (NpcUpdateChat): The data to serialize.
        """
        old_string_sanitization_mode: bool = writer.string_sanitization_mode
        try:
            if data._npc_index is None:
                raise SerializationError("npc_index must be provided.")
            writer.add_char(data._npc_index)
            if data._message_length is None:
                raise SerializationError("message_length must be provided.")
            writer.add_char(data._message_length)
            if data._message is None:
                raise SerializationError("message must be provided.")
            if len(data._message) > 252:
                raise SerializationError(f"Expected length of message to be 252 or less, got {len(data._message)}.")
            writer.add_fixed_string(data._message, data._message_length, False)
        finally:
            writer.string_sanitization_mode = old_string_sanitization_mode




    @staticmethod
    def deserialize(reader: EoReader) -> "NpcUpdateChat":
        """
        Deserializes an instance of `NpcUpdateChat` from the provided `EoReader`.

        Args:
            reader (EoReader): The writer that the data will be serialized to.

        Returns:
            The data to serialize.
        """
        old_chunked_reading_mode: bool = reader.chunked_reading_mode
        try:
            reader_start_position: int = reader.position
            npc_index = reader.get_char()
            message_length = reader.get_char()
            message = reader.get_fixed_string(message_length, False)
            result = NpcUpdateChat(npc_index=npc_index, message=message)
            result._byte_size = reader.position - reader_start_position
            return result
        finally:
            reader.chunked_reading_mode = old_chunked_reading_mode


    def __repr__(self):
        return f"NpcUpdateChat(byte_size={repr(self._byte_size)}, npc_index={repr(self._npc_index)}, message={repr(self._message)})"