def __init__(self, key, io):
# The Key object this Bif belongs to.
self.key = key
# Path to .bif file.
self.io = io
# A hash containing the resources contained. Usually not needed,
# accessed by the encapsulating Key object.
self.contained = {}
with open(self.io, 'rb') as f:
header = f.read(4 + 4 + 3 * 4)
hs = struct.unpack("<4s 4s L L L", header)
self.file_type = hs[0]
self.file_version = hs[1]
self.var_res_count = hs[2]
self.fix_res_count = hs[3]
self.var_table_offset = hs[4]
f.seek(self.var_table_offset)
data = f.read(self.var_res_count * 16)
for c in chunks(data, 16):
if len(c) != 16: break
rid, offset, size, restype = struct.unpack("<L L L L", c)
rid &= 0xfffff
self.contained[rid] = (offset, size, restype)
def __init__(self, key, io):
# The Key object this Bif belongs to.
self.key = key
# Path to .bif file.
self.io = io
# A hash containing the resources contained. Usually not needed,
# accessed by the encapsulating Key object.
self.contained = {}
with open(self.io, 'rb') as f:
header = f.read(4 + 4 + 3 * 4)
hs = struct.unpack("<4s 4s L L L", header)
self.file_type = hs[0]
self.file_version = hs[1]
self.var_res_count = hs[2]
self.fix_res_count = hs[3]
self.var_table_offset = hs[4]
f.seek(self.var_table_offset)
data = f.read(self.var_res_count * 16)
for c in chunks(data, 16):
if len(c) != 16: break
rid, offset, size, restype = struct.unpack("<L L L L", c)
rid &= 0xfffff
self.contained[rid] = (offset, size, restype)
tga_fname = tga + '.tga'
if not tga_fname in tga_dict:
tga_dict[tga_fname] = Image.open(mgr[tga_fname].to_io())
tga = tga_dict[tga_fname]
# I chose here to scale all the minimap images to the
# smallest size so if one is 8x8 they will all be scaled
# to 8x8.
tga_size = min(tga_size, tga.size[0])
tile_tgas.append((tga, tile.orientation))
# Note: The tile list begins in the bottom left corner
# so I'm going to reverse so that it starts in the top
# left and draw down rather than up.
tile_tgas = chunks(tile_tgas, area.width)[::-1]
# minimum minimap tile size 16x16, just so some of the
# smaller 8x8s are a little larger.
tga_size = max(minimum, tga_size * scale)
new_im = Image.new('RGBA',
(area.width * tga_size, area.height * tga_size))
for h in xrange(area.height):
for w in xrange(area.width):
im, rot = tile_tgas[h][w]
new_loc = (w * tga_size, h * tga_size)
if im.size[0] != tga_size:
tga_fname = tga+'.tga'
if not tga_fname in tga_dict:
tga_dict[tga_fname] = Image.open(mgr[tga_fname].to_io())
tga = tga_dict[tga_fname]
# I chose here to scale all the minimap images to the
# smallest size so if one is 8x8 they will all be scaled
# to 8x8.
tga_size = min(tga_size, tga.size[0])
tile_tgas.append((tga, tile.orientation))
# Note: The tile list begins in the bottom left corner
# so I'm going to reverse so that it starts in the top
# left and draw down rather than up.
tile_tgas = chunks(tile_tgas, area.width)[::-1]
# minimum minimap tile size 16x16, just so some of the
# smaller 8x8s are a little larger.
tga_size = max(minimum, tga_size * scale)
new_im = Image.new('RGBA', (area.width * tga_size,
area.height * tga_size))
for h in xrange(area.height):
for w in xrange(area.width):
im, rot = tile_tgas[h][w]
new_loc = (w * tga_size, h * tga_size)
if im.size[0] != tga_size:
def __init__(self, fname, data_path):
super(Key, self).__init__()
self.root = data_path
self.bif = []
with open(fname, 'rb') as io:
header = io.read(8 + (4 * 6) + 32)
hs = struct.unpack("<4s 4s LLLLLL 32s", header)
self.ftype = hs[0]
self.fvers = hs[1]
bif_count = hs[2]
key_count = hs[3]
offset_to_file_table = hs[4]
offset_to_key_table = hs[5]
self.year = hs[6]
self.day_of_year = hs[7]
reserved = hs[8]
io.seek(offset_to_file_table)
data = io.read(12 * bif_count)
self.file_table = []
for c in chunks(data, 12):
if len(c) != 12: break
size, name_offset, name_size, drives = struct.unpack("LLhh", c)
io.seek(name_offset)
name = io.read(name_size)
name = struct.unpack("%ds" % name_size, name)[0]
name = name.decode(get_encoding())
name = name.rstrip(' \t\r\n\0')
name = os.path.join(self.root, name.replace('\\', os.sep))
name = os.path.abspath(name)
self.bif.append( Bif(self, name) )
self.file_table.append((size, name, drives))
self.key_table = {}
io.seek(offset_to_key_table)
data = io.read(22 * key_count)
for c in chunks(data, 22):
if len(c) != 22: break
resref, res_type, res_id = struct.unpack("<16s hL", c)
resref = resref.decode(get_encoding())
self.key_table[res_id] = (resref.rstrip(' \t\r\n\0'), res_type)
self.fn_to_co = {}
for res_id, (resref, res_type) in self.key_table.items():
bif_idx = res_id >> 20
bif = self.bif[bif_idx]
res_id = res_id & 0xfffff
#print res_id, resref, res_type, bif_idx
if not res_id in bif.contained:
msg = "%s does not have %d" % (bif.io.name, res_id)
raise ValueError(msg)
ofs, sz, _rt = bif.contained[res_id]
o = res.ContentObject(resref, res_type, bif.io, ofs, sz)
fn = o.get_filename()
if fn in self.fn_to_co and self.fn_to_co[fn][2] < bif_idx:
oo, biff, unused = self.fn_to_co[fn]
print("%s, in %s shadowed by file in %s" % (fn, biff.io, biff.io))
self.content.remove(oo)
self.fn_to_co[fn] = (o, bif, bif_idx)
self.add(o)
def from_file(fname):
"""Create an Erf from a file handle.
:param io: A file handle.
"""
with open(fname, 'rb') as io:
header = io.read(160)
hs = struct.unpack("< 4s 4s LL LL LL LL L 116s", header)
ftype = hs[0].decode(get_encoding()).strip()
if not ftype in Erf.TYPES: raise ValueError("Invalid file type!")
fvers = hs[1].decode(get_encoding())
fname_len = Erf.filename_length(fvers)
new_erf = Erf(ftype, fvers)
new_erf.io = fname
lstr_count = hs[2]
lstr_size = hs[3]
entry_count = hs[4]
offset_to_lstr = hs[5]
offset_to_keys = hs[6]
offset_to_res = hs[7]
new_erf.year = hs[8]
new_erf.day_of_year = hs[9]
new_erf.desc_strref = hs[10]
io.seek(offset_to_lstr)
lstr = io.read(lstr_size)
for ls in range(lstr_count):
if len(lstr) == 0:
print(
"locstr table: not enough entries (expected: %d, got: %d)"
% (lstr_count, ls))
break
if len(lstr) < 8:
print(
"locstr table: not enough entries (expected: %d, got: %d)"
% (lstr_count, ls) + " partial data: " + lstr)
break
lid, strsz = struct.unpack("<L L", lstr[:8])
if strsz > len(lstr) - 8:
strsz = len(lstr) - 8
# Necessary for hacking around the fact that erf.exe adds an extra null
# to the end of the description string.
try:
str = struct.unpack("8x %ds" % strsz,
lstr)[0].decode(get_encoding()) #
except struct.error as e:
str = struct.unpack("8x %ds" % (strsz + 1, ),
lstr)[0].decode(get_encoding()) #
new_erf.localized_strings[lid] = str.rstrip(' \t\r\n\0')
lstr = lstr[8 + len(str):]
keylist_entry_size = fname_len + 4 + 2 + 2
io.seek(offset_to_keys)
keylist = io.read(keylist_entry_size * entry_count)
fmt = "%ds I h h" % fname_len
fmt = fmt * entry_count
fmt = '<' + fmt
keylist = struct.unpack(fmt, keylist)
for resref, res_id, res_type, unused in chunks(keylist, 4):
co = res.ContentObject(
resref.decode(get_encoding()).rstrip(' \t\r\n\0'),
res_type, fname)
new_erf.add(co)
resourcelist_entry_size = 4 + 4
io.seek(offset_to_res)
resourcelist = io.read(resourcelist_entry_size * entry_count)
resourcelist = struct.unpack("I I" * entry_count, resourcelist)
_index = -1
for offset, size in chunks(resourcelist, 2):
_index += 1
try:
co = new_erf.content[_index]
co.offset = offset
co.size = size
except IndexError as e:
print(
"WARNING: Attempt to index invalid content object in '%s' at offset %X"
% (fname, offset))
return new_erf
def load(self):
"""Loads the source of the associated gff file."""
# attempt to open the gff file and load its header
self.source = io.BytesIO(self.co.get())
header = struct.unpack(
self.HeaderPattern,
self.source.read(struct.calcsize(self.HeaderPattern)))
if (header[0].decode(get_encoding()).rstrip() == self.filetype
and header[1].decode(get_encoding()) == self.Version):
self.structoffset, self.structcount = header[2:4]
self.fieldoffset, self.fieldcount = header[4:6]
self.labeloffset, self.labelcount = header[6:8]
self.dataoffset, self.datasize = header[8:10]
self.indiceoffset, self.indicesize = header[10:12]
self.listoffset, self.listsize = header[12:14]
else:
if header[1].decode(get_encoding()) != self.Version:
raise ValueError(
"File: %s: gff file version '%s' does not match current valid version '%s'"
% (self.co.get_filename(), header[1], self.Version))
else:
raise ValueError(
"File: %s: gff file type '%s' does not match specified file type '%s'"
% (self.co.get_filename(), header[0].rstrip(),
self.filetype))
# position the source file at the struct array and prepare structs list
self.source.seek(self.structoffset)
self.structs = []
# parse the gff struct array
size = struct.calcsize(self.StructPattern)
rd = self.source.read(self.structcount * size)
for chunk in chunks(rd, size):
type, offset, count = struct.unpack(self.StructPattern, chunk)
if offset == 0xffffffff:
self.structs.append([type, -1])
elif count == 1:
self.structs.append([type, offset])
else:
pattern = "%dI" % count
position = self.source.tell()
self.source.seek(self.indiceoffset + offset)
data = self.source.read(struct.calcsize(pattern))
self.source.seek(position)
indexes = struct.unpack(pattern, data)
self.structs.append([type, list(indexes)])
# position the source file at the label array and prepare labels list
self.source.seek(self.labeloffset)
self.labels = []
# parse the gff label array
size = struct.calcsize(self.LabelPattern)
rd = self.source.read(size * self.labelcount)
for chunk in chunks(rd, size):
label = struct.unpack(self.LabelPattern,
chunk)[0].decode(get_encoding())
self.labels.append(label.rstrip('\x00'))
# position the source file at the field array and prepare fields list
self.source.seek(self.fieldoffset)
self.fields = []
# parse the gff field array
size = struct.calcsize(self.FieldPattern)
dwordsize = struct.calcsize(self.DwordPattern)
for index in range(0, self.fieldcount):
type, label = struct.unpack(self.FieldPattern,
self.source.read(size))
Type = self.Classes[type]
position = None
# False indicates there is no offset
if not Type.at_offset is False:
offset = struct.unpack('I', self.source.read(4))[0]
position = self.source.tell()
if Type.at_offset == 'data':
offset += self.dataoffset
elif Type.at_offset == 'list':
offset += self.listoffset
if position:
data = Type.unpack(self.source, offset)
self.source.seek(position)
else:
data = Type.unpack(self.source)
type_name = Type.type
label_name = self.labels[label]
self.fields.append([type_name, label_name, data])
# close the source file and build the gff structure, then indicate
# status
self.source.close()
self._structure = self.build_struct(0)
return True
def __init__(self, fname, data_path):
super(Key, self).__init__()
self.root = data_path
self.bif = []
with open(fname, 'rb') as io:
header = io.read(8 + (4 * 6) + 32)
hs = struct.unpack("<4s 4s LLLLLL 32s", header)
self.ftype = hs[0]
self.fvers = hs[1]
bif_count = hs[2]
key_count = hs[3]
offset_to_file_table = hs[4]
offset_to_key_table = hs[5]
self.year = hs[6]
self.day_of_year = hs[7]
reserved = hs[8]
io.seek(offset_to_file_table)
data = io.read(12 * bif_count)
self.file_table = []
for c in chunks(data, 12):
if len(c) != 12: break
size, name_offset, name_size, drives = struct.unpack("LLhh", c)
io.seek(name_offset)
name = io.read(name_size)
name = struct.unpack("%ds" % name_size, name)[0]
name = name.decode(get_encoding())
name = name.rstrip(' \t\r\n\0')
name = os.path.join(self.root, name.replace('\\', os.sep))
name = os.path.abspath(name)
self.bif.append(Bif(self, name))
self.file_table.append((size, name, drives))
self.key_table = {}
io.seek(offset_to_key_table)
data = io.read(22 * key_count)
for c in chunks(data, 22):
if len(c) != 22: break
resref, res_type, res_id = struct.unpack("<16s hL", c)
resref = resref.decode(get_encoding())
self.key_table[res_id] = (resref.rstrip(' \t\r\n\0'), res_type)
self.fn_to_co = {}
for res_id, (resref, res_type) in self.key_table.items():
bif_idx = res_id >> 20
bif = self.bif[bif_idx]
res_id = res_id & 0xfffff
#print res_id, resref, res_type, bif_idx
if not res_id in bif.contained:
msg = "%s does not have %d" % (bif.io.name, res_id)
raise ValueError(msg)
ofs, sz, _rt = bif.contained[res_id]
o = res.ContentObject(resref, res_type, bif.io, ofs, sz)
fn = o.get_filename()
if fn in self.fn_to_co and self.fn_to_co[fn][2] < bif_idx:
oo, biff, unused = self.fn_to_co[fn]
print("%s, in %s shadowed by file in %s" %
(fn, biff.io, biff.io))
self.content.remove(oo)
self.fn_to_co[fn] = (o, bif, bif_idx)
self.add(o)
def load(self):
"""Loads the source of the associated gff file."""
# attempt to open the gff file and load its header
self.source = io.BytesIO(self.co.get())
header = struct.unpack(self.HeaderPattern,
self.source.read(struct.calcsize(self.HeaderPattern)))
if (header[0].decode(get_encoding()).rstrip() == self.filetype
and header[1].decode(get_encoding()) == self.Version):
self.structoffset, self.structcount = header[2:4]
self.fieldoffset, self.fieldcount = header[4:6]
self.labeloffset, self.labelcount = header[6:8]
self.dataoffset, self.datasize = header[8:10]
self.indiceoffset, self.indicesize = header[10:12]
self.listoffset, self.listsize = header[12:14]
else:
if header[1].decode(get_encoding()) != self.Version:
raise ValueError("File: %s: gff file version '%s' does not match current valid version '%s'" % (self.co.get_filename(), header[1], self.Version))
else:
raise ValueError("File: %s: gff file type '%s' does not match specified file type '%s'" % (self.co.get_filename(), header[0].rstrip(), self.filetype))
# position the source file at the struct array and prepare structs list
self.source.seek(self.structoffset)
self.structs = []
# parse the gff struct array
size = struct.calcsize(self.StructPattern)
rd = self.source.read(self.structcount * size)
for chunk in chunks(rd, size):
type, offset, count = struct.unpack(self.StructPattern, chunk)
if offset == 0xffffffff:
self.structs.append([type, -1])
elif count == 1:
self.structs.append([type, offset])
else:
pattern = "%dI" % count
position = self.source.tell()
self.source.seek(self.indiceoffset + offset)
data = self.source.read(struct.calcsize(pattern))
self.source.seek(position)
indexes = struct.unpack(pattern, data)
self.structs.append([type, list(indexes)])
# position the source file at the label array and prepare labels list
self.source.seek(self.labeloffset)
self.labels = []
# parse the gff label array
size = struct.calcsize(self.LabelPattern)
rd = self.source.read(size * self.labelcount)
for chunk in chunks(rd, size):
label = struct.unpack(self.LabelPattern, chunk)[0].decode(get_encoding())
self.labels.append(label.rstrip('\x00'))
# position the source file at the field array and prepare fields list
self.source.seek(self.fieldoffset)
self.fields = []
# parse the gff field array
size = struct.calcsize(self.FieldPattern)
dwordsize = struct.calcsize(self.DwordPattern)
for index in range(0, self.fieldcount):
type, label = struct.unpack(self.FieldPattern,
self.source.read(size))
Type = self.Classes[type]
position = None
# False indicates there is no offset
if not Type.at_offset is False:
offset = struct.unpack('I', self.source.read(4))[0]
position = self.source.tell()
if Type.at_offset == 'data':
offset += self.dataoffset
elif Type.at_offset == 'list':
offset += self.listoffset
if position:
data = Type.unpack(self.source, offset)
self.source.seek(position)
else:
data = Type.unpack(self.source)
type_name = Type.type
label_name = self.labels[label]
self.fields.append([type_name, label_name, data])
# close the source file and build the gff structure, then indicate
# status
self.source.close()
self._structure = self.build_struct(0)
return True
def from_file(fname):
"""Create an Erf from a file handle.
:param io: A file handle.
"""
with open(fname, 'rb') as io:
header = io.read(160)
hs = struct.unpack("< 4s 4s LL LL LL LL L 116s", header)
ftype = hs[0].decode(get_encoding()).strip()
if not ftype in Erf.TYPES: raise ValueError("Invalid file type!")
fvers = hs[1].decode(get_encoding())
fname_len = Erf.filename_length(fvers)
new_erf = Erf(ftype, fvers)
new_erf.io = fname
lstr_count = hs[2]
lstr_size = hs[3]
entry_count = hs[4]
offset_to_lstr = hs[5]
offset_to_keys = hs[6]
offset_to_res = hs[7]
new_erf.year = hs[8]
new_erf.day_of_year = hs[9]
new_erf.desc_strref = hs[10]
io.seek(offset_to_lstr)
lstr = io.read(lstr_size)
for ls in range(lstr_count):
if len(lstr) == 0:
print("locstr table: not enough entries (expected: %d, got: %d)" % (lstr_count, ls))
break
if len(lstr) < 8:
print("locstr table: not enough entries (expected: %d, got: %d)" % (lstr_count, ls) + " partial data: " + lstr)
break
lid, strsz = struct.unpack("<L L", lstr[:8])
if strsz > len(lstr) - 8:
strsz = len(lstr) - 8
# Necessary for hacking around the fact that erf.exe adds an extra null
# to the end of the description string.
try:
str = struct.unpack("8x %ds" % strsz, lstr)[0].decode(get_encoding()) #
except struct.error as e:
str = struct.unpack("8x %ds" % (strsz + 1,), lstr)[0].decode(get_encoding()) #
new_erf.localized_strings[lid] = str.rstrip(' \t\r\n\0')
lstr = lstr[8 + len(str):]
keylist_entry_size = fname_len + 4 + 2 + 2
io.seek(offset_to_keys)
keylist = io.read(keylist_entry_size * entry_count)
fmt = "%ds I h h" % fname_len
fmt = fmt * entry_count
fmt = '<' + fmt
keylist = struct.unpack(fmt, keylist)
for resref, res_id, res_type, unused in chunks(keylist, 4):
co = res.ContentObject(resref.decode(get_encoding()).rstrip(' \t\r\n\0'),
res_type, fname)
new_erf.add(co)
resourcelist_entry_size = 4 + 4
io.seek(offset_to_res)
resourcelist = io.read(resourcelist_entry_size * entry_count)
resourcelist = struct.unpack("I I" * entry_count, resourcelist)
_index = -1
for offset, size in chunks(resourcelist, 2):
_index += 1
try:
co = new_erf.content[_index]
co.offset = offset
co.size = size
except IndexError as e:
print("WARNING: Attempt to index invalid content object in '%s' at offset %X" % (fname, offset))
return new_erf
