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# This is a generated file! Please edit source .ksy file and use kaitai-struct-compiler to rebuild
from pkg_resources import parse_version
from .kaitaistruct import __version__ as ks_version, KaitaiStruct, KaitaiStream, BytesIO
from enum import Enum
import collections
if parse_version(ks_version) < parse_version('0.7'):
raise Exception("Incompatible Kaitai Struct Python API: 0.7 or later is required, but you have %s" % (ks_version))
class AllegroDat(KaitaiStruct):
"""Allegro library for C (mostly used for game and multimedia apps
programming) used its own container file format.
In general, it allows storage of arbitrary binary data blocks
bundled together with some simple key-value style metadata
("properties") for every block. Allegro also pre-defines some simple
formats for bitmaps, fonts, MIDI music, sound samples and
palettes. Allegro library v4.0+ also support LZSS compression.
This spec applies to Allegro data files for library versions 2.2 up
to 4.4.
.. seealso::
Source - https://liballeg.org/stabledocs/en/datafile.html
"""
class PackEnum(Enum):
unpacked = 1936484398
SEQ_FIELDS = ["pack_magic", "dat_magic", "num_objects", "objects"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['pack_magic']['start'] = self._io.pos()
self.pack_magic = KaitaiStream.resolve_enum(self._root.PackEnum, self._io.read_u4be())
self._debug['pack_magic']['end'] = self._io.pos()
self._debug['dat_magic']['start'] = self._io.pos()
self.dat_magic = self._io.ensure_fixed_contents(b"\x41\x4C\x4C\x2E")
self._debug['dat_magic']['end'] = self._io.pos()
self._debug['num_objects']['start'] = self._io.pos()
self.num_objects = self._io.read_u4be()
self._debug['num_objects']['end'] = self._io.pos()
self._debug['objects']['start'] = self._io.pos()
self.objects = [None] * (self.num_objects)
for i in range(self.num_objects):
if not 'arr' in self._debug['objects']:
self._debug['objects']['arr'] = []
self._debug['objects']['arr'].append({'start': self._io.pos()})
_t_objects = self._root.DatObject(self._io, self, self._root)
_t_objects._read()
self.objects[i] = _t_objects
self._debug['objects']['arr'][i]['end'] = self._io.pos()
self._debug['objects']['end'] = self._io.pos()
class DatFont16(KaitaiStruct):
"""Simple monochrome monospaced font, 95 characters, 8x16 px
characters.
"""
SEQ_FIELDS = ["chars"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['chars']['start'] = self._io.pos()
self.chars = [None] * (95)
for i in range(95):
if not 'arr' in self._debug['chars']:
self._debug['chars']['arr'] = []
self._debug['chars']['arr'].append({'start': self._io.pos()})
self.chars[i] = self._io.read_bytes(16)
self._debug['chars']['arr'][i]['end'] = self._io.pos()
self._debug['chars']['end'] = self._io.pos()
class DatBitmap(KaitaiStruct):
SEQ_FIELDS = ["bits_per_pixel", "width", "height", "image"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['bits_per_pixel']['start'] = self._io.pos()
self.bits_per_pixel = self._io.read_s2be()
self._debug['bits_per_pixel']['end'] = self._io.pos()
self._debug['width']['start'] = self._io.pos()
self.width = self._io.read_u2be()
self._debug['width']['end'] = self._io.pos()
self._debug['height']['start'] = self._io.pos()
self.height = self._io.read_u2be()
self._debug['height']['end'] = self._io.pos()
self._debug['image']['start'] = self._io.pos()
self.image = self._io.read_bytes_full()
self._debug['image']['end'] = self._io.pos()
class DatFont(KaitaiStruct):
SEQ_FIELDS = ["font_size", "body"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['font_size']['start'] = self._io.pos()
self.font_size = self._io.read_s2be()
self._debug['font_size']['end'] = self._io.pos()
self._debug['body']['start'] = self._io.pos()
_on = self.font_size
if _on == 8:
self.body = self._root.DatFont8(self._io, self, self._root)
self.body._read()
elif _on == 16:
self.body = self._root.DatFont16(self._io, self, self._root)
self.body._read()
elif _on == 0:
self.body = self._root.DatFont39(self._io, self, self._root)
self.body._read()
self._debug['body']['end'] = self._io.pos()
class DatFont8(KaitaiStruct):
"""Simple monochrome monospaced font, 95 characters, 8x8 px
characters.
"""
SEQ_FIELDS = ["chars"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['chars']['start'] = self._io.pos()
self.chars = [None] * (95)
for i in range(95):
if not 'arr' in self._debug['chars']:
self._debug['chars']['arr'] = []
self._debug['chars']['arr'].append({'start': self._io.pos()})
self.chars[i] = self._io.read_bytes(8)
self._debug['chars']['arr'][i]['end'] = self._io.pos()
self._debug['chars']['end'] = self._io.pos()
class DatObject(KaitaiStruct):
SEQ_FIELDS = ["properties", "len_compressed", "len_uncompressed", "body"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['properties']['start'] = self._io.pos()
self.properties = []
i = 0
while True:
if not 'arr' in self._debug['properties']:
self._debug['properties']['arr'] = []
self._debug['properties']['arr'].append({'start': self._io.pos()})
_t_properties = self._root.Property(self._io, self, self._root)
_t_properties._read()
_ = _t_properties
self.properties.append(_)
self._debug['properties']['arr'][len(self.properties) - 1]['end'] = self._io.pos()
if not (_.is_valid):
break
i += 1
self._debug['properties']['end'] = self._io.pos()
self._debug['len_compressed']['start'] = self._io.pos()
self.len_compressed = self._io.read_s4be()
self._debug['len_compressed']['end'] = self._io.pos()
self._debug['len_uncompressed']['start'] = self._io.pos()
self.len_uncompressed = self._io.read_s4be()
self._debug['len_uncompressed']['end'] = self._io.pos()
self._debug['body']['start'] = self._io.pos()
_on = self.type
if _on == u"BMP ":
self._raw_body = self._io.read_bytes(self.len_compressed)
io = KaitaiStream(BytesIO(self._raw_body))
self.body = self._root.DatBitmap(io, self, self._root)
self.body._read()
elif _on == u"RLE ":
self._raw_body = self._io.read_bytes(self.len_compressed)
io = KaitaiStream(BytesIO(self._raw_body))
self.body = self._root.DatRleSprite(io, self, self._root)
self.body._read()
elif _on == u"FONT":
self._raw_body = self._io.read_bytes(self.len_compressed)
io = KaitaiStream(BytesIO(self._raw_body))
self.body = self._root.DatFont(io, self, self._root)
self.body._read()
else:
self.body = self._io.read_bytes(self.len_compressed)
self._debug['body']['end'] = self._io.pos()
@property
def type(self):
if hasattr(self, '_m_type'):
return self._m_type if hasattr(self, '_m_type') else None
self._m_type = self.properties[-1].magic
return self._m_type if hasattr(self, '_m_type') else None
class DatFont39(KaitaiStruct):
"""New bitmap font format introduced since Allegro 3.9: allows
flexible designation of character ranges, 8-bit colored
characters, etc.
"""
SEQ_FIELDS = ["num_ranges", "ranges"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['num_ranges']['start'] = self._io.pos()
self.num_ranges = self._io.read_s2be()
self._debug['num_ranges']['end'] = self._io.pos()
self._debug['ranges']['start'] = self._io.pos()
self.ranges = [None] * (self.num_ranges)
for i in range(self.num_ranges):
if not 'arr' in self._debug['ranges']:
self._debug['ranges']['arr'] = []
self._debug['ranges']['arr'].append({'start': self._io.pos()})
_t_ranges = self._root.DatFont39.Range(self._io, self, self._root)
_t_ranges._read()
self.ranges[i] = _t_ranges
self._debug['ranges']['arr'][i]['end'] = self._io.pos()
self._debug['ranges']['end'] = self._io.pos()
class Range(KaitaiStruct):
SEQ_FIELDS = ["mono", "start_char", "end_char", "chars"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['mono']['start'] = self._io.pos()
self.mono = self._io.read_u1()
self._debug['mono']['end'] = self._io.pos()
self._debug['start_char']['start'] = self._io.pos()
self.start_char = self._io.read_u4be()
self._debug['start_char']['end'] = self._io.pos()
self._debug['end_char']['start'] = self._io.pos()
self.end_char = self._io.read_u4be()
self._debug['end_char']['end'] = self._io.pos()
self._debug['chars']['start'] = self._io.pos()
self.chars = [None] * (((self.end_char - self.start_char) + 1))
for i in range(((self.end_char - self.start_char) + 1)):
if not 'arr' in self._debug['chars']:
self._debug['chars']['arr'] = []
self._debug['chars']['arr'].append({'start': self._io.pos()})
_t_chars = self._root.DatFont39.FontChar(self._io, self, self._root)
_t_chars._read()
self.chars[i] = _t_chars
self._debug['chars']['arr'][i]['end'] = self._io.pos()
self._debug['chars']['end'] = self._io.pos()
class FontChar(KaitaiStruct):
SEQ_FIELDS = ["width", "height", "body"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['width']['start'] = self._io.pos()
self.width = self._io.read_u2be()
self._debug['width']['end'] = self._io.pos()
self._debug['height']['start'] = self._io.pos()
self.height = self._io.read_u2be()
self._debug['height']['end'] = self._io.pos()
self._debug['body']['start'] = self._io.pos()
self.body = self._io.read_bytes((self.width * self.height))
self._debug['body']['end'] = self._io.pos()
class Property(KaitaiStruct):
SEQ_FIELDS = ["magic", "type", "len_body", "body"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['magic']['start'] = self._io.pos()
self.magic = (self._io.read_bytes(4)).decode(u"UTF-8")
self._debug['magic']['end'] = self._io.pos()
if self.is_valid:
self._debug['type']['start'] = self._io.pos()
self.type = (self._io.read_bytes(4)).decode(u"UTF-8")
self._debug['type']['end'] = self._io.pos()
if self.is_valid:
self._debug['len_body']['start'] = self._io.pos()
self.len_body = self._io.read_u4be()
self._debug['len_body']['end'] = self._io.pos()
if self.is_valid:
self._debug['body']['start'] = self._io.pos()
self.body = (self._io.read_bytes(self.len_body)).decode(u"UTF-8")
self._debug['body']['end'] = self._io.pos()
@property
def is_valid(self):
if hasattr(self, '_m_is_valid'):
return self._m_is_valid if hasattr(self, '_m_is_valid') else None
self._m_is_valid = self.magic == u"prop"
return self._m_is_valid if hasattr(self, '_m_is_valid') else None
class DatRleSprite(KaitaiStruct):
SEQ_FIELDS = ["bits_per_pixel", "width", "height", "len_image", "image"]
def __init__(self, _io, _parent=None, _root=None):
self._io = _io
self._parent = _parent
self._root = _root if _root else self
self._debug = collections.defaultdict(dict)
def _read(self):
self._debug['bits_per_pixel']['start'] = self._io.pos()
self.bits_per_pixel = self._io.read_s2be()
self._debug['bits_per_pixel']['end'] = self._io.pos()
self._debug['width']['start'] = self._io.pos()
self.width = self._io.read_u2be()
self._debug['width']['end'] = self._io.pos()
self._debug['height']['start'] = self._io.pos()
self.height = self._io.read_u2be()
self._debug['height']['end'] = self._io.pos()
self._debug['len_image']['start'] = self._io.pos()
self.len_image = self._io.read_u4be()
self._debug['len_image']['end'] = self._io.pos()
self._debug['image']['start'] = self._io.pos()
self.image = self._io.read_bytes_full()
self._debug['image']['end'] = self._io.pos()
|
