pal

msg.py

import os
import struct

class PalMessages:
    def __init__(self, pal_path):
        self.pal_path = pal_path

        mkf_path = os.path.join(self.pal_path, 'Sss.mkf')
        self._index_data = self._read_mkf_subfile(mkf_path, 3)

        msg_path = os.path.join(self.pal_path, 'M.msg')
        self._message_data = open(msg_path, 'rb').read()

        word_path = os.path.join(self.pal_path, 'Word.dat')
        self._words_data = open(word_path, 'rb').read()

    def _read_mkf_subfile(self, mkf_file, sub_id):
        with open(mkf_file, 'rb') as f:
            f.seek(0)
            f.seek(sub_id * 4)
            offset_bytes = f.read(8)
            start_offset = struct.unpack('<I', offset_bytes[0:4])[0]
            end_offset = struct.unpack('<I', offset_bytes[4:8])[0]
            length = end_offset - start_offset
            f.seek(start_offset)
            return f.read(length)

    def get_text(self, index):
        pos = index * 4
        start_pos = struct.unpack('<I', self._index_data[pos:pos+4])[0]
        end_pos = struct.unpack('<I', self._index_data[pos+4:pos+8])[0]
        length = end_pos - start_pos
        raw_msg = self._message_data[start_pos:end_pos]
        return raw_msg.decode('gbk', errors='replace')

    def get_word(self, index):
        record_size = 10
        pos = index * record_size
        raw_word = self._words_data[pos : pos + record_size]
        return raw_word.decode('gbk')

    def __getitem__(self, index):
        return self.get_text(index)

if __name__ == "__main__":
    pal_msg = PalMessages(pal_path=".")

    for i in range(13513):
        print(f"Text[{i}]: {repr(pal_msg[i])}")

    for i in range(565):
        print(f"Word[{i}]: {repr(pal_msg.get_word(i))}")