kaitai: adjustments and rearrangements for python2/3 compat

1 files changed, 653 insertions, 0 deletions

diff --git a/python/examples/kaitai/doom_wad.py b/python/examples/kaitai/doom_wad.py
new file mode 100644
index 00000000..b0de10a6
--- /dev/null
+++ b/python/examples/kaitai/doom_wad.py
@@ -0,0 +1,653 @@
+# 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
+import collections
+from enum import Enum
+
+
+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 DoomWad(KaitaiStruct):
+    SEQ_FIELDS = ["magic", "num_index_entries", "index_offset"]
+    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"ASCII")
+        self._debug['magic']['end'] = self._io.pos()
+        self._debug['num_index_entries']['start'] = self._io.pos()
+        self.num_index_entries = self._io.read_s4le()
+        self._debug['num_index_entries']['end'] = self._io.pos()
+        self._debug['index_offset']['start'] = self._io.pos()
+        self.index_offset = self._io.read_s4le()
+        self._debug['index_offset']['end'] = self._io.pos()
+
+    class Sectors(KaitaiStruct):
+        SEQ_FIELDS = ["entries"]
+        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['entries']['start'] = self._io.pos()
+            self.entries = []
+            i = 0
+            while not self._io.is_eof():
+                if not 'arr' in self._debug['entries']:
+                    self._debug['entries']['arr'] = []
+                self._debug['entries']['arr'].append({'start': self._io.pos()})
+                _t_entries = self._root.Sector(self._io, self, self._root)
+                _t_entries._read()
+                self.entries.append(_t_entries)
+                self._debug['entries']['arr'][len(self.entries) - 1]['end'] = self._io.pos()
+                i += 1
+
+            self._debug['entries']['end'] = self._io.pos()
+
+
+    class Vertex(KaitaiStruct):
+        SEQ_FIELDS = ["x", "y"]
+        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['x']['start'] = self._io.pos()
+            self.x = self._io.read_s2le()
+            self._debug['x']['end'] = self._io.pos()
+            self._debug['y']['start'] = self._io.pos()
+            self.y = self._io.read_s2le()
+            self._debug['y']['end'] = self._io.pos()
+
+
+    class Texture12(KaitaiStruct):
+        """Used for TEXTURE1 and TEXTURE2 lumps, which designate how to
+        combine wall patches to make wall textures. This essentially
+        provides a very simple form of image compression, allowing
+        certain elements ("patches") to be reused / recombined on
+        different textures for more variety in the game.
+        
+        .. seealso::
+           Source - http://doom.wikia.com/wiki/TEXTURE1
+        """
+        SEQ_FIELDS = ["num_textures", "textures"]
+        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_textures']['start'] = self._io.pos()
+            self.num_textures = self._io.read_s4le()
+            self._debug['num_textures']['end'] = self._io.pos()
+            self._debug['textures']['start'] = self._io.pos()
+            self.textures = [None] * (self.num_textures)
+            for i in range(self.num_textures):
+                if not 'arr' in self._debug['textures']:
+                    self._debug['textures']['arr'] = []
+                self._debug['textures']['arr'].append({'start': self._io.pos()})
+                _t_textures = self._root.Texture12.TextureIndex(self._io, self, self._root)
+                _t_textures._read()
+                self.textures[i] = _t_textures
+                self._debug['textures']['arr'][i]['end'] = self._io.pos()
+
+            self._debug['textures']['end'] = self._io.pos()
+
+        class TextureIndex(KaitaiStruct):
+            SEQ_FIELDS = ["offset"]
+            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['offset']['start'] = self._io.pos()
+                self.offset = self._io.read_s4le()
+                self._debug['offset']['end'] = self._io.pos()
+
+            @property
+            def body(self):
+                if hasattr(self, '_m_body'):
+                    return self._m_body if hasattr(self, '_m_body') else None
+
+                _pos = self._io.pos()
+                self._io.seek(self.offset)
+                self._debug['_m_body']['start'] = self._io.pos()
+                self._m_body = self._root.Texture12.TextureBody(self._io, self, self._root)
+                self._m_body._read()
+                self._debug['_m_body']['end'] = self._io.pos()
+                self._io.seek(_pos)
+                return self._m_body if hasattr(self, '_m_body') else None
+
+
+        class TextureBody(KaitaiStruct):
+            SEQ_FIELDS = ["name", "masked", "width", "height", "column_directory", "num_patches", "patches"]
+            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['name']['start'] = self._io.pos()
+                self.name = (KaitaiStream.bytes_strip_right(self._io.read_bytes(8), 0)).decode(u"ASCII")
+                self._debug['name']['end'] = self._io.pos()
+                self._debug['masked']['start'] = self._io.pos()
+                self.masked = self._io.read_u4le()
+                self._debug['masked']['end'] = self._io.pos()
+                self._debug['width']['start'] = self._io.pos()
+                self.width = self._io.read_u2le()
+                self._debug['width']['end'] = self._io.pos()
+                self._debug['height']['start'] = self._io.pos()
+                self.height = self._io.read_u2le()
+                self._debug['height']['end'] = self._io.pos()
+                self._debug['column_directory']['start'] = self._io.pos()
+                self.column_directory = self._io.read_u4le()
+                self._debug['column_directory']['end'] = self._io.pos()
+                self._debug['num_patches']['start'] = self._io.pos()
+                self.num_patches = self._io.read_u2le()
+                self._debug['num_patches']['end'] = self._io.pos()
+                self._debug['patches']['start'] = self._io.pos()
+                self.patches = [None] * (self.num_patches)
+                for i in range(self.num_patches):
+                    if not 'arr' in self._debug['patches']:
+                        self._debug['patches']['arr'] = []
+                    self._debug['patches']['arr'].append({'start': self._io.pos()})
+                    _t_patches = self._root.Texture12.Patch(self._io, self, self._root)
+                    _t_patches._read()
+                    self.patches[i] = _t_patches
+                    self._debug['patches']['arr'][i]['end'] = self._io.pos()
+
+                self._debug['patches']['end'] = self._io.pos()
+
+
+        class Patch(KaitaiStruct):
+            SEQ_FIELDS = ["origin_x", "origin_y", "patch_id", "step_dir", "colormap"]
+            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['origin_x']['start'] = self._io.pos()
+                self.origin_x = self._io.read_s2le()
+                self._debug['origin_x']['end'] = self._io.pos()
+                self._debug['origin_y']['start'] = self._io.pos()
+                self.origin_y = self._io.read_s2le()
+                self._debug['origin_y']['end'] = self._io.pos()
+                self._debug['patch_id']['start'] = self._io.pos()
+                self.patch_id = self._io.read_u2le()
+                self._debug['patch_id']['end'] = self._io.pos()
+                self._debug['step_dir']['start'] = self._io.pos()
+                self.step_dir = self._io.read_u2le()
+                self._debug['step_dir']['end'] = self._io.pos()
+                self._debug['colormap']['start'] = self._io.pos()
+                self.colormap = self._io.read_u2le()
+                self._debug['colormap']['end'] = self._io.pos()
+
+
+
+    class Linedef(KaitaiStruct):
+        SEQ_FIELDS = ["vertex_start_idx", "vertex_end_idx", "flags", "line_type", "sector_tag", "sidedef_right_idx", "sidedef_left_idx"]
+        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['vertex_start_idx']['start'] = self._io.pos()
+            self.vertex_start_idx = self._io.read_u2le()
+            self._debug['vertex_start_idx']['end'] = self._io.pos()
+            self._debug['vertex_end_idx']['start'] = self._io.pos()
+            self.vertex_end_idx = self._io.read_u2le()
+            self._debug['vertex_end_idx']['end'] = self._io.pos()
+            self._debug['flags']['start'] = self._io.pos()
+            self.flags = self._io.read_u2le()
+            self._debug['flags']['end'] = self._io.pos()
+            self._debug['line_type']['start'] = self._io.pos()
+            self.line_type = self._io.read_u2le()
+            self._debug['line_type']['end'] = self._io.pos()
+            self._debug['sector_tag']['start'] = self._io.pos()
+            self.sector_tag = self._io.read_u2le()
+            self._debug['sector_tag']['end'] = self._io.pos()
+            self._debug['sidedef_right_idx']['start'] = self._io.pos()
+            self.sidedef_right_idx = self._io.read_u2le()
+            self._debug['sidedef_right_idx']['end'] = self._io.pos()
+            self._debug['sidedef_left_idx']['start'] = self._io.pos()
+            self.sidedef_left_idx = self._io.read_u2le()
+            self._debug['sidedef_left_idx']['end'] = self._io.pos()
+
+
+    class Pnames(KaitaiStruct):
+        """
+        .. seealso::
+           Source - http://doom.wikia.com/wiki/PNAMES
+        """
+        SEQ_FIELDS = ["num_patches", "names"]
+        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_patches']['start'] = self._io.pos()
+            self.num_patches = self._io.read_u4le()
+            self._debug['num_patches']['end'] = self._io.pos()
+            self._debug['names']['start'] = self._io.pos()
+            self.names = [None] * (self.num_patches)
+            for i in range(self.num_patches):
+                if not 'arr' in self._debug['names']:
+                    self._debug['names']['arr'] = []
+                self._debug['names']['arr'].append({'start': self._io.pos()})
+                self.names[i] = (KaitaiStream.bytes_strip_right(self._io.read_bytes(8), 0)).decode(u"ASCII")
+                self._debug['names']['arr'][i]['end'] = self._io.pos()
+
+            self._debug['names']['end'] = self._io.pos()
+
+
+    class Thing(KaitaiStruct):
+        SEQ_FIELDS = ["x", "y", "angle", "type", "flags"]
+        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['x']['start'] = self._io.pos()
+            self.x = self._io.read_s2le()
+            self._debug['x']['end'] = self._io.pos()
+            self._debug['y']['start'] = self._io.pos()
+            self.y = self._io.read_s2le()
+            self._debug['y']['end'] = self._io.pos()
+            self._debug['angle']['start'] = self._io.pos()
+            self.angle = self._io.read_u2le()
+            self._debug['angle']['end'] = self._io.pos()
+            self._debug['type']['start'] = self._io.pos()
+            self.type = self._io.read_u2le()
+            self._debug['type']['end'] = self._io.pos()
+            self._debug['flags']['start'] = self._io.pos()
+            self.flags = self._io.read_u2le()
+            self._debug['flags']['end'] = self._io.pos()
+
+
+    class Sector(KaitaiStruct):
+
+        class SpecialSector(Enum):
+            normal = 0
+            d_light_flicker = 1
+            d_light_strobe_fast = 2
+            d_light_strobe_slow = 3
+            d_light_strobe_hurt = 4
+            d_damage_hellslime = 5
+            d_damage_nukage = 7
+            d_light_glow = 8
+            secret = 9
+            d_sector_door_close_in_30 = 10
+            d_damage_end = 11
+            d_light_strobe_slow_sync = 12
+            d_light_strobe_fast_sync = 13
+            d_sector_door_raise_in_5_mins = 14
+            d_friction_low = 15
+            d_damage_super_hellslime = 16
+            d_light_fire_flicker = 17
+            d_damage_lava_wimpy = 18
+            d_damage_lava_hefty = 19
+            d_scroll_east_lava_damage = 20
+            light_phased = 21
+            light_sequence_start = 22
+            light_sequence_special1 = 23
+            light_sequence_special2 = 24
+        SEQ_FIELDS = ["floor_z", "ceil_z", "floor_flat", "ceil_flat", "light", "special_type", "tag"]
+        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['floor_z']['start'] = self._io.pos()
+            self.floor_z = self._io.read_s2le()
+            self._debug['floor_z']['end'] = self._io.pos()
+            self._debug['ceil_z']['start'] = self._io.pos()
+            self.ceil_z = self._io.read_s2le()
+            self._debug['ceil_z']['end'] = self._io.pos()
+            self._debug['floor_flat']['start'] = self._io.pos()
+            self.floor_flat = (self._io.read_bytes(8)).decode(u"ASCII")
+            self._debug['floor_flat']['end'] = self._io.pos()
+            self._debug['ceil_flat']['start'] = self._io.pos()
+            self.ceil_flat = (self._io.read_bytes(8)).decode(u"ASCII")
+            self._debug['ceil_flat']['end'] = self._io.pos()
+            self._debug['light']['start'] = self._io.pos()
+            self.light = self._io.read_s2le()
+            self._debug['light']['end'] = self._io.pos()
+            self._debug['special_type']['start'] = self._io.pos()
+            self.special_type = KaitaiStream.resolve_enum(self._root.Sector.SpecialSector, self._io.read_u2le())
+            self._debug['special_type']['end'] = self._io.pos()
+            self._debug['tag']['start'] = self._io.pos()
+            self.tag = self._io.read_u2le()
+            self._debug['tag']['end'] = self._io.pos()
+
+
+    class Vertexes(KaitaiStruct):
+        SEQ_FIELDS = ["entries"]
+        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['entries']['start'] = self._io.pos()
+            self.entries = []
+            i = 0
+            while not self._io.is_eof():
+                if not 'arr' in self._debug['entries']:
+                    self._debug['entries']['arr'] = []
+                self._debug['entries']['arr'].append({'start': self._io.pos()})
+                _t_entries = self._root.Vertex(self._io, self, self._root)
+                _t_entries._read()
+                self.entries.append(_t_entries)
+                self._debug['entries']['arr'][len(self.entries) - 1]['end'] = self._io.pos()
+                i += 1
+
+            self._debug['entries']['end'] = self._io.pos()
+
+
+    class Sidedef(KaitaiStruct):
+        SEQ_FIELDS = ["offset_x", "offset_y", "upper_texture_name", "lower_texture_name", "normal_texture_name", "sector_id"]
+        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['offset_x']['start'] = self._io.pos()
+            self.offset_x = self._io.read_s2le()
+            self._debug['offset_x']['end'] = self._io.pos()
+            self._debug['offset_y']['start'] = self._io.pos()
+            self.offset_y = self._io.read_s2le()
+            self._debug['offset_y']['end'] = self._io.pos()
+            self._debug['upper_texture_name']['start'] = self._io.pos()
+            self.upper_texture_name = (self._io.read_bytes(8)).decode(u"ASCII")
+            self._debug['upper_texture_name']['end'] = self._io.pos()
+            self._debug['lower_texture_name']['start'] = self._io.pos()
+            self.lower_texture_name = (self._io.read_bytes(8)).decode(u"ASCII")
+            self._debug['lower_texture_name']['end'] = self._io.pos()
+            self._debug['normal_texture_name']['start'] = self._io.pos()
+            self.normal_texture_name = (self._io.read_bytes(8)).decode(u"ASCII")
+            self._debug['normal_texture_name']['end'] = self._io.pos()
+            self._debug['sector_id']['start'] = self._io.pos()
+            self.sector_id = self._io.read_s2le()
+            self._debug['sector_id']['end'] = self._io.pos()
+
+
+    class Things(KaitaiStruct):
+        SEQ_FIELDS = ["entries"]
+        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['entries']['start'] = self._io.pos()
+            self.entries = []
+            i = 0
+            while not self._io.is_eof():
+                if not 'arr' in self._debug['entries']:
+                    self._debug['entries']['arr'] = []
+                self._debug['entries']['arr'].append({'start': self._io.pos()})
+                _t_entries = self._root.Thing(self._io, self, self._root)
+                _t_entries._read()
+                self.entries.append(_t_entries)
+                self._debug['entries']['arr'][len(self.entries) - 1]['end'] = self._io.pos()
+                i += 1
+
+            self._debug['entries']['end'] = self._io.pos()
+
+
+    class Linedefs(KaitaiStruct):
+        SEQ_FIELDS = ["entries"]
+        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['entries']['start'] = self._io.pos()
+            self.entries = []
+            i = 0
+            while not self._io.is_eof():
+                if not 'arr' in self._debug['entries']:
+                    self._debug['entries']['arr'] = []
+                self._debug['entries']['arr'].append({'start': self._io.pos()})
+                _t_entries = self._root.Linedef(self._io, self, self._root)
+                _t_entries._read()
+                self.entries.append(_t_entries)
+                self._debug['entries']['arr'][len(self.entries) - 1]['end'] = self._io.pos()
+                i += 1
+
+            self._debug['entries']['end'] = self._io.pos()
+
+
+    class IndexEntry(KaitaiStruct):
+        SEQ_FIELDS = ["offset", "size", "name"]
+        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['offset']['start'] = self._io.pos()
+            self.offset = self._io.read_s4le()
+            self._debug['offset']['end'] = self._io.pos()
+            self._debug['size']['start'] = self._io.pos()
+            self.size = self._io.read_s4le()
+            self._debug['size']['end'] = self._io.pos()
+            self._debug['name']['start'] = self._io.pos()
+            self.name = (KaitaiStream.bytes_strip_right(self._io.read_bytes(8), 0)).decode(u"ASCII")
+            self._debug['name']['end'] = self._io.pos()
+
+        @property
+        def contents(self):
+            if hasattr(self, '_m_contents'):
+                return self._m_contents if hasattr(self, '_m_contents') else None
+
+            io = self._root._io
+            _pos = io.pos()
+            io.seek(self.offset)
+            self._debug['_m_contents']['start'] = io.pos()
+            _on = self.name
+            if _on == u"SECTORS":
+                self._raw__m_contents = io.read_bytes(self.size)
+                io = KaitaiStream(BytesIO(self._raw__m_contents))
+                self._m_contents = self._root.Sectors(io, self, self._root)
+                self._m_contents._read()
+            elif _on == u"TEXTURE1":
+                self._raw__m_contents = io.read_bytes(self.size)
+                io = KaitaiStream(BytesIO(self._raw__m_contents))
+                self._m_contents = self._root.Texture12(io, self, self._root)
+                self._m_contents._read()
+            elif _on == u"VERTEXES":
+                self._raw__m_contents = io.read_bytes(self.size)
+                io = KaitaiStream(BytesIO(self._raw__m_contents))
+                self._m_contents = self._root.Vertexes(io, self, self._root)
+                self._m_contents._read()
+            elif _on == u"BLOCKMAP":
+                self._raw__m_contents = io.read_bytes(self.size)
+                io = KaitaiStream(BytesIO(self._raw__m_contents))
+                self._m_contents = self._root.Blockmap(io, self, self._root)
+                self._m_contents._read()
+            elif _on == u"PNAMES":
+                self._raw__m_contents = io.read_bytes(self.size)
+                io = KaitaiStream(BytesIO(self._raw__m_contents))
+                self._m_contents = self._root.Pnames(io, self, self._root)
+                self._m_contents._read()
+            elif _on == u"TEXTURE2":
+                self._raw__m_contents = io.read_bytes(self.size)
+                io = KaitaiStream(BytesIO(self._raw__m_contents))
+                self._m_contents = self._root.Texture12(io, self, self._root)
+                self._m_contents._read()
+            elif _on == u"THINGS":
+                self._raw__m_contents = io.read_bytes(self.size)
+                io = KaitaiStream(BytesIO(self._raw__m_contents))
+                self._m_contents = self._root.Things(io, self, self._root)
+                self._m_contents._read()
+            elif _on == u"LINEDEFS":
+                self._raw__m_contents = io.read_bytes(self.size)
+                io = KaitaiStream(BytesIO(self._raw__m_contents))
+                self._m_contents = self._root.Linedefs(io, self, self._root)
+                self._m_contents._read()
+            elif _on == u"SIDEDEFS":
+                self._raw__m_contents = io.read_bytes(self.size)
+                io = KaitaiStream(BytesIO(self._raw__m_contents))
+                self._m_contents = self._root.Sidedefs(io, self, self._root)
+                self._m_contents._read()
+            else:
+                self._m_contents = io.read_bytes(self.size)
+            self._debug['_m_contents']['end'] = io.pos()
+            io.seek(_pos)
+            return self._m_contents if hasattr(self, '_m_contents') else None
+
+
+    class Sidedefs(KaitaiStruct):
+        SEQ_FIELDS = ["entries"]
+        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['entries']['start'] = self._io.pos()
+            self.entries = []
+            i = 0
+            while not self._io.is_eof():
+                if not 'arr' in self._debug['entries']:
+                    self._debug['entries']['arr'] = []
+                self._debug['entries']['arr'].append({'start': self._io.pos()})
+                _t_entries = self._root.Sidedef(self._io, self, self._root)
+                _t_entries._read()
+                self.entries.append(_t_entries)
+                self._debug['entries']['arr'][len(self.entries) - 1]['end'] = self._io.pos()
+                i += 1
+
+            self._debug['entries']['end'] = self._io.pos()
+
+
+    class Blockmap(KaitaiStruct):
+        SEQ_FIELDS = ["origin_x", "origin_y", "num_cols", "num_rows", "linedefs_in_block"]
+        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['origin_x']['start'] = self._io.pos()
+            self.origin_x = self._io.read_s2le()
+            self._debug['origin_x']['end'] = self._io.pos()
+            self._debug['origin_y']['start'] = self._io.pos()
+            self.origin_y = self._io.read_s2le()
+            self._debug['origin_y']['end'] = self._io.pos()
+            self._debug['num_cols']['start'] = self._io.pos()
+            self.num_cols = self._io.read_s2le()
+            self._debug['num_cols']['end'] = self._io.pos()
+            self._debug['num_rows']['start'] = self._io.pos()
+            self.num_rows = self._io.read_s2le()
+            self._debug['num_rows']['end'] = self._io.pos()
+            self._debug['linedefs_in_block']['start'] = self._io.pos()
+            self.linedefs_in_block = [None] * ((self.num_cols * self.num_rows))
+            for i in range((self.num_cols * self.num_rows)):
+                if not 'arr' in self._debug['linedefs_in_block']:
+                    self._debug['linedefs_in_block']['arr'] = []
+                self._debug['linedefs_in_block']['arr'].append({'start': self._io.pos()})
+                _t_linedefs_in_block = self._root.Blockmap.Blocklist(self._io, self, self._root)
+                _t_linedefs_in_block._read()
+                self.linedefs_in_block[i] = _t_linedefs_in_block
+                self._debug['linedefs_in_block']['arr'][i]['end'] = self._io.pos()
+
+            self._debug['linedefs_in_block']['end'] = self._io.pos()
+
+        class Blocklist(KaitaiStruct):
+            SEQ_FIELDS = ["offset"]
+            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['offset']['start'] = self._io.pos()
+                self.offset = self._io.read_u2le()
+                self._debug['offset']['end'] = self._io.pos()
+
+            @property
+            def linedefs(self):
+                """List of linedefs found in this block."""
+                if hasattr(self, '_m_linedefs'):
+                    return self._m_linedefs if hasattr(self, '_m_linedefs') else None
+
+                _pos = self._io.pos()
+                self._io.seek((self.offset * 2))
+                self._debug['_m_linedefs']['start'] = self._io.pos()
+                self._m_linedefs = []
+                i = 0
+                while True:
+                    if not 'arr' in self._debug['_m_linedefs']:
+                        self._debug['_m_linedefs']['arr'] = []
+                    self._debug['_m_linedefs']['arr'].append({'start': self._io.pos()})
+                    _ = self._io.read_s2le()
+                    self._m_linedefs.append(_)
+                    self._debug['_m_linedefs']['arr'][len(self._m_linedefs) - 1]['end'] = self._io.pos()
+                    if _ == -1:
+                        break
+                    i += 1
+                self._debug['_m_linedefs']['end'] = self._io.pos()
+                self._io.seek(_pos)
+                return self._m_linedefs if hasattr(self, '_m_linedefs') else None
+
+
+
+    @property
+    def index(self):
+        if hasattr(self, '_m_index'):
+            return self._m_index if hasattr(self, '_m_index') else None
+
+        _pos = self._io.pos()
+        self._io.seek(self.index_offset)
+        self._debug['_m_index']['start'] = self._io.pos()
+        self._m_index = [None] * (self.num_index_entries)
+        for i in range(self.num_index_entries):
+            if not 'arr' in self._debug['_m_index']:
+                self._debug['_m_index']['arr'] = []
+            self._debug['_m_index']['arr'].append({'start': self._io.pos()})
+            _t__m_index = self._root.IndexEntry(self._io, self, self._root)
+            _t__m_index._read()
+            self._m_index[i] = _t__m_index
+            self._debug['_m_index']['arr'][i]['end'] = self._io.pos()
+
+        self._debug['_m_index']['end'] = self._io.pos()
+        self._io.seek(_pos)
+        return self._m_index if hasattr(self, '_m_index') else None
+
+