848 lines
33 KiB
Python
848 lines
33 KiB
Python
#! /usr/bin/env python3
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import argparse
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import os
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import os.path
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import struct
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import sys
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import textwrap
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from PIL import Image # type: ignore
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from typing import Any, List, Optional
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from bemani.format.dxt import DXTBuffer
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from bemani.protocol.binary import BinaryEncoding
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from bemani.protocol.lz77 import Lz77
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# Coverage tracker to help find missing chunks.
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coverage: List[bool]
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def add_coverage(offset: int, length: int, unique: bool = True) -> None:
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global coverage
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for i in range(offset, offset + length):
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if coverage[i] and unique:
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raise Exception(f"Already covered {hex(offset)}!")
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coverage[i] = True
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def print_coverage() -> None:
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global coverage
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# First offset that is not coverd in a run.
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start = None
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for offset, covered in enumerate(coverage):
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if covered:
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if start is not None:
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print(f"Uncovered: {hex(start)} - {hex(offset)} ({offset-start} bytes)")
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start = None
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else:
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if start is None:
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start = offset
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if start is not None:
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# Print final range
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offset = len(coverage)
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print(f"Uncovered: {hex(start)} - {hex(offset)} ({offset-start} bytes)")
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def get_until_null(data: bytes, offset: int) -> bytes:
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out = b""
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while data[offset] != 0:
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out += data[offset:(offset + 1)]
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offset += 1
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return out
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def cap32(val: int) -> int:
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return val & 0xFFFFFFFF
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def poly(val: int) -> int:
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if (val >> 31) & 1 != 0:
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return 0x4C11DB7
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else:
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return 0
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def crc32(bytestream: bytes) -> int:
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# Janky 6-bit CRC for ascii names in PMAN structures.
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result = 0
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for byte in bytestream:
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for i in range(6):
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result = poly(result) ^ cap32((result << 1) | ((byte >> i) & 1))
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return result
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def descramble_text(text: bytes, obfuscated: bool) -> str:
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if len(text):
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if obfuscated and (text[0] - 0x20) > 0x7F:
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# Gotta do a weird demangling where we swap the
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# top bit.
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return bytes(((x + 0x80) & 0xFF) for x in text).decode('ascii')
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else:
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return text.decode('ascii')
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else:
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return ""
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def descramble_pman(package_data: bytes, offset: int, endian: str, obfuscated: bool) -> List[str]:
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# Unclear what the first three unknowns are, but the fourth
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# looks like it could possibly be two int16s indicating unknown?
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magic, expect_zero, flags1, flags2, numentries, flags3, data_offset = struct.unpack(
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f"{endian}4sIIIIII",
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package_data[offset:(offset + 28)],
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)
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add_coverage(offset, 28)
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# I have never seen the first unknown be anything other than zero,
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# so lets lock that down.
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if expect_zero != 0:
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raise Exception("Got a non-zero value for expected zero location in PMAN!")
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if endian == "<" and magic != b"PMAN":
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raise Exception("Invalid magic value in PMAN structure!")
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if endian == ">" and magic != b"NAMP":
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raise Exception("Invalid magic value in PMAN structure!")
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names: List[Optional[str]] = [None] * numentries
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if numentries > 0:
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# Jump to the offset, parse it out
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for i in range(numentries):
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file_offset = data_offset + (i * 12)
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name_crc, entry_no, nameoffset = struct.unpack(
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f"{endian}III",
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package_data[file_offset:(file_offset + 12)],
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)
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add_coverage(file_offset, 12)
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if nameoffset == 0:
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raise Exception("Expected name offset in PMAN data!")
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bytedata = get_until_null(package_data, nameoffset)
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add_coverage(nameoffset, len(bytedata) + 1, unique=False)
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name = descramble_text(bytedata, obfuscated)
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names[entry_no] = name
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if name_crc != crc32(name.encode('ascii')):
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raise Exception(f"Name CRC failed for {name}")
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for i, name in enumerate(names):
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if name is None:
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raise Exception(f"Didn't get mapping for entry {i + 1}")
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return names
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def extract(
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filename: str,
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output_dir: str, *,
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write: bool = True,
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verbose: bool = False,
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raw: bool = False,
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xml: bool = False,
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) -> None:
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with open(filename, "rb") as fp:
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data = fp.read()
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# Initialize coverage. This is used to help find missed/hidden file
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# sections that we aren't parsing correctly.
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global coverage
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coverage = [False] * len(data)
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# Suppress debug text unless asked
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if verbose:
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vprint = print
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else:
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def vprint(*args: Any, **kwargs: Any) -> None: # type: ignore
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pass
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# First, check the signature
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add_coverage(0, 4)
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if data[0:4] == b"2PXT":
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endian = "<"
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elif data[0:4] == b"TXP2":
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endian = ">"
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else:
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raise Exception("Invalid graphic file format!")
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# Not sure what words 2 and 3 are, they seem to be some sort of
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# version or date?
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add_coverage(4, 8)
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# Now, grab the file length, verify that we have the right amount
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# of data.
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length = struct.unpack(f"{endian}I", data[12:16])[0]
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add_coverage(12, 4)
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if length != len(data):
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raise Exception(f"Invalid graphic file length, expecting {length} bytes!")
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# I think that offset 16-20 are the file data offset, but I'm not sure?
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header_length = struct.unpack(f"{endian}I", data[16:20])[0]
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add_coverage(16, 4)
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# Now, the meat of the file format. Bytes 20-24 are a bitfield for
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# what parts of the header exist in the file. We need to understand
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# each bit so we know how to skip past each section.
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feature_mask = struct.unpack(f"{endian}I", data[20:24])[0]
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add_coverage(20, 4)
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header_offset = 24
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# Lots of magic happens if this bit is set.
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text_obfuscated = bool(feature_mask & 0x20)
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legacy_lz = bool(feature_mask & 0x04)
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modern_lz = bool(feature_mask & 0x40000)
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# Get raw directory where we want to put files
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path = os.path.abspath(output_dir)
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if feature_mask & 0x01:
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# List of textures that exist in the file, with pointers to their data.
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length, offset = struct.unpack(f"{endian}II", data[header_offset:(header_offset + 8)])
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add_coverage(header_offset, 8)
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header_offset += 8
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names = []
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for x in range(length):
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interesting_offset = offset + (x * 12)
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if interesting_offset != 0:
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name_offset, texture_length, texture_offset = struct.unpack(
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f"{endian}III",
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data[interesting_offset:(interesting_offset + 12)],
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)
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add_coverage(interesting_offset, 12)
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if name_offset != 0:
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# Let's decode this until the first null.
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bytedata = get_until_null(data, name_offset)
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add_coverage(name_offset, len(bytedata) + 1, unique=False)
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name = descramble_text(bytedata, text_obfuscated)
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names.append(name)
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if texture_offset != 0:
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filename = os.path.join(path, name)
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if legacy_lz:
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raise Exception("We don't support legacy lz mode!")
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elif modern_lz:
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# Get size, round up to nearest power of 4
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inflated_size, deflated_size = struct.unpack(
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">II",
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data[texture_offset:(texture_offset + 8)],
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)
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add_coverage(texture_offset, 8)
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if deflated_size != (texture_length - 8):
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raise Exception("We got an incorrect length for lz texture!")
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inflated_size = (inflated_size + 3) & (~3)
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# Get the data offset
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lz_data_offset = texture_offset + 8
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lz_data = data[lz_data_offset:(lz_data_offset + deflated_size)]
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add_coverage(lz_data_offset, deflated_size)
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# This takes forever, so skip it if we're pretending.
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if write:
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print(f"Inflating {filename}...")
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lz77 = Lz77()
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raw_data = lz77.decompress(lz_data)
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else:
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raw_data = None
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else:
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inflated_size, deflated_size = struct.unpack(
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">II",
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data[texture_offset:(texture_offset + 8)],
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)
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# I'm guessing how raw textures work because I haven't seen them.
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# I assume they're like the above, so lets put in some asertions.
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if deflated_size != (texture_length - 8):
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raise Exception("We got an incorrect length for raw texture!")
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raw_data = data[(texture_offset + 8):(texture_offset + 8 + deflated_size)]
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add_coverage(texture_offset, deflated_size + 8)
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if not write:
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print(f"Would write {filename} texture data...")
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else:
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# Now, see if we can extract this data.
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print(f"Writing {filename} texture data...")
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(
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magic,
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header_flags1,
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header_flags2,
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length,
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width,
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height,
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fmtflags,
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expected_zero1,
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expected_zero2,
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) = struct.unpack(
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f"{endian}4sIIIHHIII",
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raw_data[0:32],
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)
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if length != len(raw_data):
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raise Exception("Invalid texture length!")
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# I have only ever observed the following values across two different games.
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# Don't want to keep the chunk around so let's assert our assumptions.
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if (expected_zero1 | expected_zero2) != 0:
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raise Exception("Found unexpected non-zero value in texture header!")
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if raw_data[32:44] != b'\0' * 12:
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raise Exception("Found unexpected non-zero value in texture header!")
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if struct.unpack(f"{endian}I", raw_data[44:48])[0] != 3:
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raise Exception("Found unexpected value in texture header!")
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if raw_data[48:64] != b'\0' * 16:
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raise Exception("Found unexpected non-zero value in texture header!")
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fmt = fmtflags & 0xFF
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# Extract flags that the game cares about.
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# flags1 = (fmtflags >> 24) & 0xFF
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# flags2 = (fmtflags >> 16) & 0xFF
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# These flags may have some significance, such as
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# the unk3/unk4 possibly indicating texture doubling?
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# unk1 = 3 if (flags1 & 0xF == 1) else 1
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# unk2 = 3 if ((flags1 >> 4) & 0xF == 1) else 1
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# unk3 = 1 if (flags2 & 0xF == 1) else 2
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# unk4 = 1 if ((flags2 >> 4) & 0xF == 1) else 2
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if endian == "<" and magic != b"TDXT":
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raise Exception("Unexpected texture format!")
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if endian == ">" and magic != b"TXDT":
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raise Exception("Unexpected texture format!")
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if fmt == 0x0B:
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# 16-bit 565 color RGB format.
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newdata = []
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for i in range(width * height):
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pixel = struct.unpack(
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f"{endian}H",
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raw_data[(64 + (i * 2)):(66 + (i * 2))],
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)[0]
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red = ((pixel >> 0) & 0x1F) << 3
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green = ((pixel >> 5) & 0x3F) << 2
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blue = ((pixel >> 11) & 0x1F) << 3
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newdata.append(
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struct.pack("<BBB", blue, green, red)
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)
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img = Image.frombytes(
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'RGB', (width, height), b''.join(newdata), 'raw', 'RGB',
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)
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elif fmt == 0x0E:
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# RGB image, no alpha.
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img = Image.frombytes(
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'RGB', (width, height), raw_data[64:], 'raw', 'RGB',
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)
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# 0x10 = Seems to be some sort of RGB with color swapping.
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elif fmt == 0x15:
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# RGBA format.
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# TODO: The colors are wrong on this, need to investigate
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# further.
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img = Image.frombytes(
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'RGBA', (width, height), raw_data[64:], 'raw', 'BGRA',
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)
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# 0x16 = DTX1 format, when I encounter this I'll hook it up.
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elif fmt == 0x1A:
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# DXT5 format.
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dxt = DXTBuffer(width, height)
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img = Image.frombuffer(
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'RGBA',
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(width, height),
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dxt.DXT5Decompress(raw_data[64:], endian=endian),
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'raw',
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'RGBA',
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0,
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1,
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)
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# 0x1E = I have no idea what format this is.
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elif fmt == 0x1F:
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# 16-bit 4-4-4-4 RGBA format.
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newdata = []
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for i in range(width * height):
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pixel = struct.unpack(
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f"{endian}H",
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raw_data[(64 + (i * 2)):(66 + (i * 2))],
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)[0]
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blue = ((pixel >> 0) & 0xF) << 4
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green = ((pixel >> 4) & 0xF) << 4
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red = ((pixel >> 8) & 0xF) << 4
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alpha = ((pixel >> 12) & 0xF) << 4
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newdata.append(
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struct.pack("<BBBB", red, green, blue, alpha)
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)
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img = Image.frombytes(
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'RGBA', (width, height), b''.join(newdata), 'raw', 'RGBA',
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)
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elif fmt == 0x20:
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# RGBA format.
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img = Image.frombytes(
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'RGBA', (width, height), raw_data[64:], 'raw', 'BGRA',
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)
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else:
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print(f"Unsupported format {hex(fmt)} for texture {name}")
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img = None
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# Actually place the file down.
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os.makedirs(path, exist_ok=True)
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if img:
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with open(f"{filename}.png", "wb") as bfp:
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img.save(bfp, format='PNG')
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if not img or raw:
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with open(f"{filename}.raw", "wb") as bfp:
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bfp.write(raw_data)
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if xml:
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with open(f"{filename}.xml", "w") as sfp:
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sfp.write(textwrap.dedent(f"""
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<info>
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<width>{width}</width>
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<height>{height}</height>
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<type>{hex(fmt)}</type>
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<raw>{filename}.raw</raw>
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</info>
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""").strip())
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vprint(f"Bit 0x000001 - count: {length}, offset: {hex(offset)}")
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for name in names:
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vprint(f" {name}")
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else:
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vprint("Bit 0x000001 - NOT PRESENT")
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# Mapping between texture index and the name of the texture.
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texturemap = []
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if feature_mask & 0x02:
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# Seems to be a structure that duplicates texture names? I am pretty
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# sure this is used to map texture names to file indexes used elsewhere.
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offset = struct.unpack(f"{endian}I", data[header_offset:(header_offset + 4)])[0]
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add_coverage(header_offset, 4)
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header_offset += 4
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vprint(f"Bit 0x000002 - offset: {hex(offset)}")
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if offset != 0:
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texturemap = descramble_pman(data, offset, endian, text_obfuscated)
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for i, name in enumerate(texturemap):
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vprint(f" {i}: {name}")
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else:
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vprint("Bit 0x000002 - NOT PRESENT")
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if feature_mask & 0x04:
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vprint("Bit 0x000004 - legacy lz mode on")
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else:
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vprint("Bit 0x000004 - legacy lz mode off")
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# Mapping between region index and the texture it goes to as well as the
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# region of texture that this particular graphic makes up.
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texture_to_region = []
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if feature_mask & 0x08:
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# Mapping between individual graphics and their respective textures.
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# This is 10 bytes per entry. Seems to need both 0x2 (texture index)
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# and 0x10 (region index).
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length, offset = struct.unpack(f"{endian}II", data[header_offset:(header_offset + 8)])
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add_coverage(header_offset, 8)
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header_offset += 8
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if offset != 0 and length > 0:
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texture_to_region = [(0, (0, 0), (0, 0))] * length
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for i in range(length):
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descriptor_offset = offset + (10 * i)
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texture_no, left, top, right, bottom = struct.unpack(
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f"{endian}HHHHH",
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data[descriptor_offset:(descriptor_offset + 10)],
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)
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add_coverage(descriptor_offset, 10)
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if texture_no < 0 or texture_no >= len(texturemap):
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raise Exception(f"Out of bounds texture {texture_no}")
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# TODO: The offsets here seem to be off by a power of 2, there
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# might be more flags in the above texture format that specify
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# device scaling and such?
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texture_to_region[i] = (texture_no, (left, top), (right, bottom))
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vprint(f"Bit 0x000008 - count: {length}, offset: {hex(offset)}")
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else:
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vprint("Bit 0x000008 - NOT PRESENT")
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if feature_mask & 0x10:
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# Names of the graphics regions, so we can look into the texture_to_region
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# mapping above.
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offset = struct.unpack(f"{endian}I", data[header_offset:(header_offset + 4)])[0]
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add_coverage(header_offset, 4)
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header_offset += 4
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vprint(f"Bit 0x000010 - offset: {hex(offset)}")
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if offset != 0:
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names = descramble_pman(data, offset, endian, text_obfuscated)
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for i, name in enumerate(names):
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if i < 0 or i >= len(texture_to_region):
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raise Exception(f"Out of bounds region {i}")
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region = texture_to_region[i]
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texture = texturemap[region[0]]
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filename = os.path.join(path, name)
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if write:
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# Actually place the file down.
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os.makedirs(path, exist_ok=True)
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if xml:
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print(f"Writing {filename}.xml graphic information...")
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with open(f"{filename}.xml", "w") as sfp:
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sfp.write(textwrap.dedent(f"""
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<info>
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<left>{region[1][0]}</left>
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<top>{region[1][1]}</top>
|
|
<right>{region[2][0]}</right>
|
|
<bottom>{region[2][1]}</bottom>
|
|
<texture>{texture}</texture>
|
|
</info>
|
|
""").strip())
|
|
else:
|
|
if xml:
|
|
print(f"Would write {filename}.xml graphic information...")
|
|
|
|
vprint(f" {i}: {name}")
|
|
else:
|
|
vprint("Bit 0x000010 - NOT PRESENT")
|
|
|
|
if feature_mask & 0x20:
|
|
vprint(f"Bit 0x000020 - text obfuscation on")
|
|
else:
|
|
vprint(f"Bit 0x000020 - text obfuscation off")
|
|
|
|
if feature_mask & 0x40:
|
|
# Two unknown bytes, first is a length or a count. Secound is
|
|
# an optional offset to grab another set of bytes from.
|
|
length, offset = struct.unpack(f"{endian}II", data[header_offset:(header_offset + 8)])
|
|
add_coverage(header_offset, 8)
|
|
header_offset += 8
|
|
|
|
# TODO: 0x40 has some weird offset calculations, gotta look into
|
|
# this further.
|
|
|
|
vprint(f"Bit 0x000040 - count: {length}, offset: {hex(offset)}")
|
|
for name in names:
|
|
vprint(f" {name}")
|
|
else:
|
|
vprint("Bit 0x000040 - NOT PRESENT")
|
|
|
|
if feature_mask & 0x80:
|
|
# One unknown byte, treated as an offset.
|
|
offset = struct.unpack(f"{endian}I", data[header_offset:(header_offset + 4)])[0]
|
|
add_coverage(header_offset, 4)
|
|
header_offset += 4
|
|
|
|
vprint(f"Bit 0x000080 - offset: {hex(offset)}")
|
|
|
|
if offset != 0:
|
|
names = descramble_pman(data, offset, endian, text_obfuscated)
|
|
for i, name in enumerate(names):
|
|
vprint(f" {i}: {name}")
|
|
else:
|
|
vprint("Bit 0x000080 - NOT PRESENT")
|
|
|
|
if feature_mask & 0x100:
|
|
# Two unknown bytes, first is a length or a count. Secound is
|
|
# an optional offset to grab another set of bytes from.
|
|
length, offset = struct.unpack(f"{endian}II", data[header_offset:(header_offset + 8)])
|
|
add_coverage(header_offset, 8)
|
|
header_offset += 8
|
|
|
|
vprint(f"Bit 0x000100 - count: {length}, offset: {hex(offset)}")
|
|
|
|
# TODO: We do something if length is > 0, we use the magic flag
|
|
# from above in this case to optionally transform each thing we
|
|
# extract. This is possibly names of some other type of struture?
|
|
else:
|
|
vprint("Bit 0x000100 - NOT PRESENT")
|
|
|
|
if feature_mask & 0x200:
|
|
# One unknown byte, treated as an offset.
|
|
offset = struct.unpack(f"{endian}I", data[header_offset:(header_offset + 4)])[0]
|
|
add_coverage(header_offset, 4)
|
|
header_offset += 4
|
|
|
|
vprint(f"Bit 0x000200 - offset: {hex(offset)}")
|
|
|
|
if offset != 0:
|
|
names = descramble_pman(data, offset, endian, text_obfuscated)
|
|
for i, name in enumerate(names):
|
|
vprint(f" {i}: {name}")
|
|
else:
|
|
vprint("Bit 0x000200 - NOT PRESENT")
|
|
|
|
if feature_mask & 0x400:
|
|
# One unknown byte, treated as an offset.
|
|
offset = struct.unpack(f"{endian}I", data[header_offset:(header_offset + 4)])[0]
|
|
add_coverage(header_offset, 4)
|
|
header_offset += 4
|
|
|
|
vprint(f"Bit 0x000400 - offset: {hex(offset)}")
|
|
else:
|
|
vprint("Bit 0x000400 - NOT PRESENT")
|
|
|
|
if feature_mask & 0x800:
|
|
# This is the names of the animations as far as I can tell.
|
|
length, offset = struct.unpack(f"{endian}II", data[header_offset:(header_offset + 8)])
|
|
add_coverage(header_offset, 8)
|
|
header_offset += 8
|
|
|
|
pp_19 = length
|
|
pp_20 = offset
|
|
|
|
vprint(f"Bit 0x000800 - count: {length}, offset: {hex(offset)}")
|
|
|
|
names = []
|
|
for x in range(length):
|
|
interesting_offset = offset + (x * 12)
|
|
if interesting_offset != 0:
|
|
name_offset, anim_length, anim_offset = struct.unpack(
|
|
f"{endian}III",
|
|
data[interesting_offset:(interesting_offset + 12)],
|
|
)
|
|
add_coverage(interesting_offset, 12)
|
|
if name_offset != 0:
|
|
# Let's decode this until the first null.
|
|
bytedata = get_until_null(data, name_offset)
|
|
add_coverage(name_offset, len(bytedata) + 1, unique=False)
|
|
name = descramble_text(bytedata, text_obfuscated)
|
|
names.append(name)
|
|
|
|
for name in names:
|
|
vprint(f" {name}")
|
|
else:
|
|
vprint("Bit 0x000800 - NOT PRESENT")
|
|
pp_19 = 0
|
|
pp_20 = 0
|
|
|
|
if feature_mask & 0x1000:
|
|
# Seems to be a secondary structure mirroring the above.
|
|
offset = struct.unpack(f"{endian}I", data[header_offset:(header_offset + 4)])[0]
|
|
add_coverage(header_offset, 4)
|
|
header_offset += 4
|
|
|
|
vprint(f"Bit 0x001000 - offset: {hex(offset)}")
|
|
|
|
if offset != 0:
|
|
names = descramble_pman(data, offset, endian, text_obfuscated)
|
|
for i, name in enumerate(names):
|
|
vprint(f" {i}: {name}")
|
|
else:
|
|
vprint("Bit 0x001000 - NOT PRESENT")
|
|
|
|
if feature_mask & 0x2000:
|
|
# I am making a very preliminary guess that these are shapes used along
|
|
# with animations specified below. The names in these sections tend to
|
|
# have the word "shape" in them.
|
|
length, offset = struct.unpack(f"{endian}II", data[header_offset:(header_offset + 8)])
|
|
add_coverage(header_offset, 8)
|
|
header_offset += 8
|
|
|
|
vprint(f"Bit 0x002000 - count: {length}, offset: {hex(offset)}")
|
|
|
|
# TODO: We do a LOT of extra stuff with this one, if count > 0...
|
|
|
|
names = []
|
|
for x in range(length):
|
|
shape_base_offset = offset + (x * 12)
|
|
if shape_base_offset != 0:
|
|
name_offset, shape_length, shape_offset = struct.unpack(
|
|
f"{endian}III",
|
|
data[shape_base_offset:(shape_base_offset + 12)],
|
|
)
|
|
add_coverage(shape_base_offset, 12)
|
|
add_coverage(shape_offset, shape_length)
|
|
|
|
# TODO: At the shape offset is a "D2EG" structure of some sort.
|
|
# I have no idea what these do. I would have to look into it
|
|
# more if its important.
|
|
|
|
if name_offset != 0:
|
|
# Let's decode this until the first null.
|
|
bytedata = get_until_null(data, name_offset)
|
|
add_coverage(name_offset, len(bytedata) + 1, unique=False)
|
|
name = descramble_text(bytedata, text_obfuscated)
|
|
names.append(name)
|
|
|
|
for name in names:
|
|
vprint(f" {name}")
|
|
else:
|
|
vprint("Bit 0x002000 - NOT PRESENT")
|
|
|
|
if feature_mask & 0x4000:
|
|
# Seems to be a secondary section mirroring the names from above.
|
|
offset = struct.unpack(f"{endian}I", data[header_offset:(header_offset + 4)])[0]
|
|
add_coverage(header_offset, 4)
|
|
header_offset += 4
|
|
|
|
vprint(f"Bit 0x004000 - offset: {hex(offset)}")
|
|
|
|
if offset != 0:
|
|
names = descramble_pman(data, offset, endian, text_obfuscated)
|
|
for i, name in enumerate(names):
|
|
vprint(f" {i}: {name}")
|
|
else:
|
|
vprint("Bit 0x004000 - NOT PRESENT")
|
|
|
|
if feature_mask & 0x8000:
|
|
# One unknown byte, treated as an offset.
|
|
offset = struct.unpack(f"{endian}I", data[header_offset:(header_offset + 4)])[0]
|
|
add_coverage(header_offset, 4)
|
|
header_offset += 4
|
|
|
|
vprint(f"Bit 0x008000 - offset: {hex(offset)}")
|
|
else:
|
|
vprint("Bit 0x008000 - NOT PRESENT")
|
|
|
|
if feature_mask & 0x10000:
|
|
# Included font package, BINXRPC encoded.
|
|
offset = struct.unpack(f"{endian}I", data[header_offset:(header_offset + 4)])[0]
|
|
add_coverage(header_offset, 4)
|
|
header_offset += 4
|
|
|
|
# I am not sure what the unknown byte is for. It always appears as
|
|
# all zeros in all files I've looked at.
|
|
expect_zero, length, binxrpc_offset = struct.unpack(f"{endian}III", data[offset:(offset + 12)])
|
|
add_coverage(offset, 12)
|
|
|
|
if expect_zero != 0:
|
|
# If we find non-zero versions of this, then that means updating the file is
|
|
# potentially unsafe as we could rewrite it incorrectly. So, let's assert!
|
|
raise Exception("Expected a zero in font package header!")
|
|
|
|
if binxrpc_offset != 0:
|
|
benc = BinaryEncoding()
|
|
fontdata = benc.decode(data[binxrpc_offset:(binxrpc_offset + length)])
|
|
add_coverage(binxrpc_offset, length)
|
|
else:
|
|
fontdata = None
|
|
|
|
vprint(f"Bit 0x010000 - offset: {hex(offset)}, binxrpc offset: {hex(binxrpc_offset)}")
|
|
if fontdata is not None:
|
|
filename = os.path.join(path, "fontinfo.xml")
|
|
|
|
if xml:
|
|
if write:
|
|
os.makedirs(path, exist_ok=True)
|
|
print(f"Writing {filename} font information...")
|
|
with open(filename, "w") as sfp:
|
|
sfp.write(str(fontdata))
|
|
else:
|
|
print(f"Would write {filename} font information...")
|
|
else:
|
|
vprint("Bit 0x010000 - NOT PRESENT")
|
|
|
|
if feature_mask & 0x20000:
|
|
# I am beginning to suspect that this is animation/level data. I have
|
|
# no idea what "afp" is.
|
|
offset = struct.unpack(f"{endian}I", data[header_offset:(header_offset + 4)])[0]
|
|
add_coverage(header_offset, 4)
|
|
header_offset += 4
|
|
|
|
vprint(f"Bit 0x020000 - offset: {hex(offset)}")
|
|
|
|
if offset > 0 and pp_19 > 0 and pp_20 > 0:
|
|
for x in range(pp_19):
|
|
structure_offset = offset + (x * 12)
|
|
anim_info_ptr = pp_20 + (x * 12)
|
|
|
|
# First word is always zero, as observed. I am not ENTIRELY sure that
|
|
# the second field is length, but it lines up with everything else
|
|
# I've observed and seems to make sense.
|
|
expect_zero, afp_header_length, afp_header = struct.unpack(
|
|
f"{endian}III",
|
|
data[structure_offset:(structure_offset + 12)]
|
|
)
|
|
add_coverage(structure_offset, 12)
|
|
add_coverage(afp_header, afp_header_length)
|
|
|
|
if expect_zero != 0:
|
|
# If we find non-zero versions of this, then that means updating the file is
|
|
# potentially unsafe as we could rewrite it incorrectly. So, let's assert!
|
|
raise Exception("Expected a zero in font package header!")
|
|
|
|
# This chunk of data is referred to by name, and then a chunk.
|
|
anim_name_offset, anim_afp_data_length, anim_afp_data_offset = struct.unpack(
|
|
f"{endian}III",
|
|
data[anim_info_ptr:(anim_info_ptr + 12)],
|
|
)
|
|
add_coverage(anim_info_ptr, 12, unique=False)
|
|
add_coverage(anim_afp_data_offset, anim_afp_data_length)
|
|
|
|
# Grab some debugging info to print, I am really not sure what to do with
|
|
# some of this data.
|
|
bytedata = get_until_null(data, anim_name_offset)
|
|
add_coverage(anim_name_offset, len(bytedata) + 1, unique=False)
|
|
name = descramble_text(bytedata, text_obfuscated)
|
|
|
|
vprint(" ", end="")
|
|
vprint(f"afp_header_length: {hex(afp_header_length)}, ", end="")
|
|
vprint(f"afp_header: {hex(afp_header)}, ", end="")
|
|
vprint(f"name: {name}, ", end="")
|
|
vprint(f"data: {hex(anim_afp_data_offset)}, ", end="")
|
|
vprint(f"length: {hex(anim_afp_data_length)}")
|
|
else:
|
|
vprint("Bit 0x020000 - NOT PRESENT")
|
|
|
|
if feature_mask & 0x40000:
|
|
vprint("Bit 0x040000 - modern lz mode on")
|
|
else:
|
|
vprint("Bit 0x040000 - modern lz mode off")
|
|
|
|
if header_offset != header_length:
|
|
raise Exception("Failed to parse bitfield of header correctly!")
|
|
|
|
if verbose:
|
|
print_coverage()
|
|
|
|
|
|
def main() -> int:
|
|
parser = argparse.ArgumentParser(description="Konami AFP graphic file unpacker.")
|
|
parser.add_argument(
|
|
"file",
|
|
metavar="FILE",
|
|
help="The file to extract",
|
|
)
|
|
parser.add_argument(
|
|
"dir",
|
|
metavar="DIR",
|
|
help="Directory to extract to",
|
|
)
|
|
parser.add_argument(
|
|
"-p",
|
|
"--pretend",
|
|
action="store_true",
|
|
help="Pretend to extract instead of extracting.",
|
|
)
|
|
parser.add_argument(
|
|
"-v",
|
|
"--verbose",
|
|
action="store_true",
|
|
help="Display verbuse debugging output.",
|
|
)
|
|
parser.add_argument(
|
|
"-r",
|
|
"--write-raw",
|
|
action="store_true",
|
|
help="Always write raw texture files.",
|
|
)
|
|
parser.add_argument(
|
|
"--write-mappings",
|
|
action="store_true",
|
|
help="Write mapping files to disk.",
|
|
)
|
|
args = parser.parse_args()
|
|
|
|
extract(
|
|
args.file,
|
|
args.dir,
|
|
write=not args.pretend,
|
|
verbose=args.verbose,
|
|
raw=args.write_raw,
|
|
xml=args.write_mappings,
|
|
)
|
|
|
|
return 0
|
|
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main())
|