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unpack_edf.py
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import sys
import struct
import os
from enum import Enum, unique
import serialize_edf as serial
import logging
log = logging.getLogger(__name__)
TYPE_CHAR_DICT = {0: 'B', 1: 'H', 2: 'I', 3: 'b', 4: 'h', 5: 'i', 6: 'f', 8: 's'}
# Consumes length copies of byte from content, starting at offset.
# Returns the new offset after consumption.
# Raises a ValueError if any of the consumed bytes do not match the
# given value.
def consume_byte(content, offset, byte, length=1):
for i in range(length-1):
if content[offset + i:offset + i+1] != byte:
raise ValueError(("Expected byte '0x%s' at offset " +
"0x%x but received byte '0x%s'.") % (byte.hex(), offset+i,
content[offset + i:offset + i+1].hex()))
return offset + length
# Wrapper for struct.unpack_from to make calculating offsets easier.
# Returns (result, new_offset) where result is the output of struct.unpack_from.
def extract_struct(format_string, content, offset=0):
result = struct.unpack_from(format_string, content, offset=offset)
return (result, offset + struct.calcsize(format_string))
# Extracts a NUL-terminated UTF-16 string from content starting at offset
# and returns it as a UTF-8 encoded string, and the length of the string,
# including the NUL.
def extract_utf16z(content, offset):
extracted = b''
length = 0
while content[offset + length:offset + length+ 2] != b'\x00\x00':
extracted = extracted + content[offset + length:offset + length + 2]
length += 2
return (extracted.decode('utf-16'), length + 2)
class EDF_Filetype(Enum):
DARK_SOULS_1 = 0
BLOODBORNE = 1
class EDF_EnumValue:
def __init__(self, name_index, enum_value):
self.name_index = name_index
self.enum_value = enum_value
@classmethod
def from_file_content(cls, content, offset, strings_offset_dict, filetype):
master_offset = offset
if filetype == EDF_Filetype.DARK_SOULS_1:
((name_offset,), master_offset) = extract_struct("<I", content, master_offset)
else:
((name_offset,), master_offset) = extract_struct("<Q", content, master_offset)
enum_value = content[master_offset : master_offset+4]
master_offset += 4
master_offset = consume_byte(content, master_offset, b'\x00', 4)
name_index = strings_offset_dict[name_offset]
return (EDF_EnumValue(name_index, enum_value), master_offset)
def to_string(self):
return ("EDF_EnumValue[name_index=%d, enum_value=0x%s]" %
(self.name_index, self.enum_value.hex()))
def to_binary(self, strings_name_index_dict, filetype):
if filetype == EDF_Filetype.DARK_SOULS_1:
return struct.pack("<I4sI", strings_name_index_dict[self.name_index],
self.enum_value, 0)
else:
return struct.pack("<Q4sI", strings_name_index_dict[self.name_index],
self.enum_value, 0)
@classmethod
def get_size(cls, filetype):
if filetype == EDF_Filetype.DARK_SOULS_1:
return struct.calcsize("<I4sI")
else:
return struct.calcsize("<Q4sI")
class EDF_Enum:
def __init__(self, name_index, num_of_enum_values, starting_enum_value_index):
self.name_index = name_index
self.num_of_enum_values = num_of_enum_values
self.starting_enum_value_index = starting_enum_value_index
@classmethod
def from_file_content(cls, content, offset, strings_offset_dict, filetype):
master_offset = offset
if filetype == EDF_Filetype.DARK_SOULS_1:
((name_offset, num_of_enum_values, enum_value_table_offset),
master_offset) = extract_struct("<III", content, master_offset)
master_offset = consume_byte(content, master_offset, b'\x00', 4)
else:
((name_offset, num_of_enum_values, enum_value_table_offset),
master_offset) = extract_struct("<QQQ", content, master_offset)
name_index = strings_offset_dict[name_offset]
starting_enum_value_index = enum_value_table_offset // EDF_EnumValue.get_size(filetype)
return (EDF_Enum(name_index, num_of_enum_values, starting_enum_value_index), master_offset)
def to_string(self):
return ("EDF_Enum[name_index=%d, enum_values=[%d:%d)]" %
(self.name_index, self.starting_enum_value_index,
self.starting_enum_value_index + self.num_of_enum_values))
def to_binary(self, strings_name_index_dict, filetype):
if filetype == EDF_Filetype.DARK_SOULS_1:
return struct.pack("<IIII", strings_name_index_dict[self.name_index],
self.num_of_enum_values, self.starting_enum_value_index * EDF_EnumValue.get_size(filetype), 0)
else:
return struct.pack("<QQQ", strings_name_index_dict[self.name_index],
self.num_of_enum_values, self.starting_enum_value_index * EDF_EnumValue.get_size(filetype))
def to_serializeable(self, enums_values_list, strings_list):
values_dict = {}
for i in range(self.starting_enum_value_index, self.starting_enum_value_index + self.num_of_enum_values):
(enum_value,) = struct.unpack("<i", enums_values_list[i].enum_value) # Might not always work...
values_dict[enum_value] = strings_list[enums_values_list[i].name_index]
return serial.Serializeable_EDF_Enum(**{
'name': strings_list[self.name_index],
'values': values_dict
})
@classmethod
def get_size(cls, filetype):
if filetype == EDF_Filetype.DARK_SOULS_1:
return struct.calcsize("<IIII")
else:
return struct.calcsize("<QQQ")
class EDF_Argument:
def __init__(self, name_index, arg_type, enum_index, arg_default,
arg_min, arg_max, arg_increment, format_string_index,
unknown1, unknown2, unknown3, unknown4):
self.name_index = name_index
self.arg_type = arg_type
self.enum_index = enum_index
self.arg_default = arg_default
self.arg_min = arg_min
self.arg_max = arg_max
self.arg_increment = arg_increment
self.format_string_index = format_string_index
self.unknown1 = unknown1
self.unknown2 = unknown2
self.unknown3 = unknown3
self.unknown4 = unknown4
@classmethod
def get_type_dict(cls, filetype):
if filetype == EDF_Filetype.DARK_SOULS_1:
return {0: 'Bxxx', 1: 'Hxx', 2: 'I', 3: 'bxxx', 4: 'hxx', 5: 'i', 6: 'f', 8: 'I'}
else:
return {0: 'Bxxxxxxx', 1: 'Hxxxxxx', 2: 'Ixxxx', 3: 'bxxxxxxx', 4: 'hxxxxxx', 5: 'ixxxx', 6: 'fxxxx', 8: 'Q'}
@classmethod
def from_file_content(cls, content, offset, strings_offset_dict, filetype):
master_offset = offset
type_dict = EDF_Argument.get_type_dict(filetype)
if filetype == EDF_Filetype.DARK_SOULS_1:
((name_offset, arg_type, enum_table_offset),
master_offset) = extract_struct("<IIi", content, master_offset)
arg_type_string = type_dict[arg_type]
((arg_default, arg_min, arg_max, arg_increment),
master_offset) = extract_struct("<" + (arg_type_string * 4), content, master_offset)
((format_code_offset, unknown1, unknown2, unknown3, unknown4),
master_offset) = extract_struct("<IBBBB", content, master_offset)
else:
((name_offset, arg_type, unknown1, unknown2, unknown3, unknown4, enum_table_offset),
master_offset) = extract_struct("<QIBBBBixxxx", content, master_offset)
arg_type_string = type_dict[arg_type]
((arg_default, arg_min, arg_max, arg_increment),
master_offset) = extract_struct("<" + (arg_type_string * 4), content, master_offset)
((format_code_offset,), master_offset) = extract_struct("<Q", content, master_offset)
name_index = strings_offset_dict[name_offset]
if enum_table_offset != -1:
enum_index = enum_table_offset // EDF_Enum.get_size(filetype)
else:
enum_index = -1
format_string_index = strings_offset_dict[format_code_offset]
if arg_type == 8: # Actually a pointer to a string
arg_default = strings_offset_dict[arg_default]
return (EDF_Argument(name_index, arg_type, enum_index,
arg_default, arg_min, arg_max, arg_increment, format_string_index,
unknown1, unknown2, unknown3, unknown4), master_offset)
def to_string(self):
return (("EDF_Argument[name_index=%d, type=%d, enum_index=%d, " +
"default=%d, range=[%d:%d:%d], format_string_index=%d, unknown=%02x%02x%02x%02x]") %
(self.name_index, self.arg_type, self.enum_index, self.arg_default,
self.arg_min, self.arg_increment, self.arg_max, self.format_string_index,
self.unknown1, self.unknown2, self.unknown3, self.unknown4))
def to_binary(self, strings_name_index_dict, filetype):
if self.enum_index != -1:
enum_table_offset = self.enum_index * EDF_Enum.get_size(filetype)
else:
enum_table_offset = -1
if self.arg_type == 8:
default = strings_name_index_dict[self.arg_default]
else:
default = self.arg_default
type_dict = EDF_Argument.get_type_dict(filetype)
if filetype == EDF_Filetype.DARK_SOULS_1:
packed_data = struct.pack("<IIi", strings_name_index_dict[self.name_index],
self.arg_type, enum_table_offset)
packed_data += struct.pack("<" + (TYPE_DICT[self.arg_type] * 4),
self.arg_default, self.arg_min, self.arg_max, self.arg_increment)
packed_data += struct.pack("<IBBBB", strings_name_index_dict[self.format_string_index],
self.unknown1, self.unknown2, self.unknown3, self.unknown4)
else:
packed_data = struct.pack("<QIBBBBiI", strings_name_index_dict[self.name_index],
self.arg_type, self.unknown1, self.unknown2, self.unknown3,
self.unknown4, enum_table_offset, 0)
packed_data += struct.pack("<" + (TYPE_DICT[self.arg_type] * 4),
self.arg_default, self.arg_min, self.arg_max, self.arg_increment)
packed_data += struct.pack("<Q", strings_name_index_dict[self.format_string_index])
return packed_data
def to_serializeable(self, enums_list, strings_list):
enum_name = None
if self.enum_index != -1:
enum_name = strings_list[enums_list[self.enum_index].name_index]
if self.arg_type == 8:
default = strings_list[self.arg_default]
else:
default = self.arg_default
return serial.Serializeable_EDF_Argument(**{
'name': strings_list[self.name_index],
'type': self.arg_type,
'enum_name': enum_name,
'default': default,
'min': self.arg_min,
'max': self.arg_max,
'increment': self.arg_increment,
'format_string': strings_list[self.format_string_index],
'unk1': self.unknown1,
'unk2': self.unknown2,
'unk3': self.unknown3,
'unk4': self.unknown4
})
@classmethod
def get_size(cls, filetype):
if filetype == EDF_Filetype.DARK_SOULS_1:
return struct.calcsize("<IIi IIII IBBBB")
else:
return struct.calcsize("<QIBBBBi xxxx QQQQ Q")
class EDF_Instr:
def __init__(self, instr_index, num_of_arguments, starting_arg_index, name_index):
self.index = instr_index
self.num_of_arguments = num_of_arguments
self.starting_arg_index = starting_arg_index
self.name_index = name_index
@classmethod
def from_file_content(cls, content, offset, strings_offset_dict, filetype):
master_offset = offset
if filetype == EDF_Filetype.DARK_SOULS_1:
((instr_index, num_of_arguments, arg_table_offset, name_offset),
master_offset) = extract_struct("<IIII", content, master_offset)
master_offset = consume_byte(content, master_offset, b'\x00', 4)
else:
((instr_index, num_of_arguments, arg_table_offset, name_offset),
master_offset) = extract_struct("<QQQQ", content, master_offset)
starting_arg_index = arg_table_offset // EDF_Argument.get_size(filetype)
name_index = strings_offset_dict[name_offset]
return (EDF_Instr(instr_index, num_of_arguments,
starting_arg_index, name_index), master_offset)
def to_string(self):
return ("EDF_Instr[index=%d, args=[%d,%d), name_index=%d]" %
(self.index, self.starting_arg_index, self.starting_arg_index +
self.num_of_arguments, self.name_index))
def to_binary(self, strings_name_index_dict, filetype):
if filetype == EDF_Filetype.DARK_SOULS_1:
return struct.pack("<IIIII", self.index, self.num_of_arguments,
self.starting_arg_index * EDF_Argument.get_size(filetype),
strings_name_index_dict[self.name_index], 0)
else:
return struct.pack("<QQQQ", self.index, self.num_of_arguments,
self.starting_arg_index * EDF_Argument.get_size(filetype),
strings_name_index_dict[self.name_index])
def to_serializeable(self, args_list, enums_list, strings_list):
args = [args_list[i].to_serializeable(enums_list, strings_list)
for i in range(self.starting_arg_index,
self.starting_arg_index + self.num_of_arguments)]
return serial.Serializeable_EDF_Instruction(**{
'name': strings_list[self.name_index],
'index': self.index,
'args': args
})
@classmethod
def get_size(cls, filetype):
if filetype == EDF_Filetype.DARK_SOULS_1:
return struct.calcsize("<IIII xxxx")
else:
return struct.calcsize("<QQQQ")
class EDF_Class:
def __init__(self, class_index, starting_instr_index, num_of_class_instructions, name_index):
self.index = class_index
self.starting_instr_index = starting_instr_index
self.num_of_instrs = num_of_class_instructions
self.name_index = name_index
@classmethod
def from_file_content(cls, content, offset, strings_offset_dict, filetype):
master_offset = offset
if filetype == EDF_Filetype.DARK_SOULS_1:
((class_index, num_of_class_instructions, instruction_table_offset,
name_offset), master_offset) = extract_struct("<IIII", content, master_offset)
master_offset = consume_byte(content, master_offset, b'\x00', 4)
else:
((class_index, num_of_class_instructions, instruction_table_offset,
name_offset), master_offset) = extract_struct("<QQQQ", content, master_offset)
starting_instr_index = instruction_table_offset // EDF_Instr.get_size(filetype)
name_index = strings_offset_dict[name_offset]
return (EDF_Class(class_index, starting_instr_index,
num_of_class_instructions, name_index), master_offset)
def to_string(self):
return ("EDF_Class[index=%d, instrs=[%d:%d), name_index=%d]" %
(self.index, self.starting_instr_index, self.starting_instr_index +
self.num_of_instrs, self.name_index))
def to_binary(self, strings_name_index_dict, filetype):
if filetype == EDF_Filetype.DARK_SOULS_1:
return struct.pack("<IIIII", self.index, self.num_of_instrs,
self.starting_instr_index * EDF_Instr.get_size(filetype),
strings_name_index_dict[self.name_index], 0)
else:
return struct.pack("<QQQQ", self.index, self.num_of_instrs,
self.starting_instr_index * EDF_Instr.get_size(filetype),
strings_name_index_dict[self.name_index])
def to_serializeable(self, instrs_list, args_list, enums_list, strings_list):
instrs = [instrs_list[i].to_serializeable(args_list, enums_list, strings_list)
for i in range(self.starting_instr_index,
self.starting_instr_index + self.num_of_instrs)]
return serial.Serializeable_EDF_Class(**{
'name': strings_list[self.name_index],
'index': self.index,
'instrs': instrs
})
@classmethod
def get_size(cls, filetype):
if filetype == EDF_Filetype.DARK_SOULS_1:
return struct.calcsize("<IIII xxxx")
else:
return struct.calcsize("<QQQQ")
class EDF_Struct:
def __init__(self, unknown, main_classes_list, main_instrs_list,
main_args_list, extra_classes_list, extra_instrs_list,
extra_args_list, enums_list, enum_values_list, strings_list) :
self.unknown = unknown
self.main_classes_list = main_classes_list
self.main_instrs_list = main_instrs_list
self.main_args_list = main_args_list
self.extra_classes_list = extra_classes_list
self.extra_instrs_list = extra_instrs_list
self.extra_args_list = extra_args_list
self.enums_list = enums_list
self.enum_values_list = enum_values_list
self.strings_list = strings_list
@classmethod
def from_file_content(cls, content):
master_offset = 0
master_offset = consume_byte(content, master_offset, b'\x45', 1)
master_offset = consume_byte(content, master_offset, b'\x44', 1)
master_offset = consume_byte(content, master_offset, b'\x46', 1)
master_offset = consume_byte(content, master_offset, b'\x00', 1)
((version_part_1, version_part_2), master_offset) = extract_struct("<II", content, master_offset)
if version_part_1 == 0x00000000 and version_part_2 == 0x00CC0065:
filetype = EDF_Filetype.DARK_SOULS_1
header_single_format_string = "<I"
header_pair_format_string = "<II"
elif version_part_1 == 0x0000FF00 and version_part_2 == 0x00CC0065:
filetype = EDF_Filetype.BLOODBORNE
header_single_format_string = "<Q"
header_pair_format_string = "<QQ"
else:
raise ValueError(("Unrecognized version bytes %#010x %#010x." +
"Could not determine EDF version.") % (version_part_1, version_part_2))
((filesize,), master_offset) = extract_struct("<I", content, master_offset)
((num_of_classes_main, classes_offset_main),
master_offset) = extract_struct(header_pair_format_string, content, master_offset)
((num_of_instructions_main, instructions_offset_main),
master_offset) = extract_struct(header_pair_format_string, content, master_offset)
((num_of_arguments_main, arguments_offset_main),
master_offset) = extract_struct(header_pair_format_string, content, master_offset)
((num_of_classes_extra, classes_offset_extra),
master_offset) = extract_struct(header_pair_format_string, content, master_offset)
((num_of_instructions_extra, instructions_offset_extra),
master_offset) = extract_struct(header_pair_format_string, content, master_offset)
((num_of_arguments_extra, arguments_offset_extra),
master_offset) = extract_struct(header_pair_format_string, content, master_offset)
((num_of_enums, enums_offset),
master_offset) = extract_struct(header_pair_format_string, content, master_offset)
((num_of_enum_values, enum_values_offset),
master_offset) = extract_struct(header_pair_format_string, content, master_offset)
((length_of_packed_strings, packed_strings_offset),
master_offset) = extract_struct(header_pair_format_string, content, master_offset)
((unknown,), master_offset) = extract_struct(header_single_format_string, content, master_offset)
if filetype == EDF_Filetype.DARK_SOULS_1:
master_offset = consume_byte(content, master_offset, b'\x00', 4)
# Check sizes of offsets.
if master_offset != classes_offset_main:
log.error("Main class table offset mismatch! Expected %#010x but was at %#010x." %
(classes_offset_main, master_offset))
actual_instr_offset_main = classes_offset_main + (num_of_classes_main * EDF_Class.get_size(filetype))
if actual_instr_offset_main != instructions_offset_main:
log.error("Main instruction table offset mismatch! Expected %#010x but was at %#010x." %
(instructions_offset_main, actual_instr_offset_main))
actual_argument_offset_main = instructions_offset_main + (num_of_instructions_main * EDF_Instr.get_size(filetype))
if actual_argument_offset_main != arguments_offset_main:
log.error("Main argument table offset mismatch! Expected %#010x but was at %#010x." %
(arguments_offset_main, actual_argument_offset_main))
actual_classes_offset_extra = arguments_offset_main + (num_of_arguments_main * EDF_Argument.get_size(filetype))
if actual_classes_offset_extra != classes_offset_extra:
log.error("Extra class table offset mismatch! Expected %#010x but was at %#010x." %
(classes_offset_extra, actual_classes_offset_extra))
actual_instr_offset_extra = classes_offset_extra + (num_of_classes_extra * EDF_Class.get_size(filetype))
if actual_instr_offset_extra != instructions_offset_extra:
log.error("Extra instruction table offset mismatch! Expected %#010x but was at %#010x." %
(instructions_offset_extra, actual_instr_offset_extra))
actual_argument_offset_extra = instructions_offset_extra + (num_of_instructions_extra * EDF_Instr.get_size(filetype))
if actual_argument_offset_extra != arguments_offset_extra:
log.error("Extra argument table offset mismatch! Expected %#010x but was at %#010x." %
(arguments_offset_extra, actual_argument_offset_extra))
actual_enums_offset = arguments_offset_extra + (num_of_arguments_extra * EDF_Argument.get_size(filetype))
if actual_enums_offset != enums_offset:
log.error("Enums table offset mismatch! Expected %#010x but was at %#010x." %
(enums_offset, actual_enums_offset))
actual_enum_values_offset = enums_offset + (num_of_enums * EDF_Enum.get_size(filetype))
if actual_enum_values_offset != enum_values_offset:
log.error("Enum values table offset mismatch! Expected %#010x but was at %#010x." %
(enum_values_offset, actual_enum_values_offset))
actual_strings_offset = enum_values_offset + (num_of_enum_values * EDF_EnumValue.get_size(filetype))
if actual_strings_offset != packed_strings_offset:
log.error("Strings table offset mismatch! Expected %#010x but was at %#010x." %
(packed_strings_offset, actual_strings_offset))
actual_filesize = packed_strings_offset + length_of_packed_strings
if actual_filesize != filesize:
log.error("End of file mismatch! Expected %#010x but was at %#010x." %
(filesize, actual_filesize))
# Parse packed strings table into list for future reference.
strings_offset_dict = {}
strings_list = []
offset_into_strings_table = 0
count = 0
while offset_into_strings_table < length_of_packed_strings:
strings_offset_dict[offset_into_strings_table] = count
(unpacked_string, length) = extract_utf16z(content, packed_strings_offset + offset_into_strings_table)
offset_into_strings_table += length
# Fix malformed format string.
if unpacked_string == "%0.3f":
unpacked_string = "%0.3f"
strings_list.append(unpacked_string) # strings_list[count] = unpacked_string
count += 1
main_classes_list = []
for _ in range(num_of_classes_main):
(extracted_class, master_offset) = EDF_Class.from_file_content(content, master_offset, strings_offset_dict, filetype)
main_classes_list.append(extracted_class)
main_instrs_list = []
for _ in range(num_of_instructions_main):
(extracted_instr, master_offset) = EDF_Instr.from_file_content(content, master_offset, strings_offset_dict, filetype)
main_instrs_list.append(extracted_instr)
main_args_list = []
for _ in range(num_of_arguments_main):
(extracted_arg, master_offset) = EDF_Argument.from_file_content(content, master_offset, strings_offset_dict, filetype)
main_args_list.append(extracted_arg)
extra_classes_list = []
for _ in range(num_of_classes_extra):
(extracted_class, master_offset) = EDF_Class.from_file_content(content, master_offset, strings_offset_dict, filetype)
extra_classes_list.append(extracted_class)
extra_instrs_list = []
for _ in range(num_of_instructions_extra):
(extracted_instr, master_offset) = EDF_Instr.from_file_content(content, master_offset, strings_offset_dict, filetype)
extra_instrs_list.append(extracted_instr)
extra_args_list = []
for _ in range(num_of_arguments_extra):
(extracted_arg, master_offset) = EDF_Argument.from_file_content(content, master_offset, strings_offset_dict, filetype)
extra_args_list.append(extracted_arg)
enums_list = []
for _ in range(num_of_enums):
(extracted_enum, master_offset) = EDF_Enum.from_file_content(content, master_offset, strings_offset_dict, filetype)
enums_list.append(extracted_enum)
enum_values_list = []
for _ in range(num_of_enum_values):
(extracted_enum_value, master_offset) = EDF_EnumValue.from_file_content(content, master_offset, strings_offset_dict, filetype)
enum_values_list.append(extracted_enum_value)
return EDF_Struct(unknown, main_classes_list, main_instrs_list,
main_args_list, extra_classes_list, extra_instrs_list,
extra_args_list, enums_list, enum_values_list, strings_list)
def to_string(self):
return_list = []
return_list.append("EDF_Struct[unknown=%d, ..." % self.unknown)
return_list.append(" Main Classes:")
for (index, c) in enumerate(self.main_classes_list):
return_list.append(" [%d] " % index + c.to_string())
return_list.append(" Main Instructions:")
for (index, i) in enumerate(self.main_instrs_list):
return_list.append(" [%d] " % index + i.to_string())
return_list.append(" Main Arguments:")
for (index, a) in enumerate(self.main_args_list):
return_list.append(" [%d] " % index + a.to_string())
return_list.append(" Extra Classes:")
for (index, c) in enumerate(self.extra_classes_list):
return_list.append(" [%d] " % index + c.to_string())
return_list.append(" Extra Instructions:")
for (index, i) in enumerate(self.extra_instrs_list):
return_list.append(" [%d] " % index + i.to_string())
return_list.append(" Extra Arguments:")
for (index, a) in enumerate(self.extra_args_list):
return_list.append(" [%d] " % index + a.to_string())
return_list.append(" Enums:")
for (index, e) in enumerate(self.enums_list):
return_list.append(" [%d] " % index + e.to_string())
return_list.append(" Enum Values:")
for (index, v) in enumerate(self.enum_values_list):
return_list.append(" [%d] " % index + v.to_string())
return_list.append(" Strings:")
for (index, s) in enumerate(self.strings_list):
return_list.append(" [%d] '" % index + s + "'")
return_list.append("]")
return "\n".join(return_list)
def to_binary(self, filetype):
# Build string name index -> strings table offset dict
packed_strings_data = ""
strings_name_index_dict = {}
for (index, s) in enumerate(self.strings_list):
strings_name_index_dict[index] = len(packed_strings_data)
packed_strings_data += s.decode("utf-8").encode("utf-16le") + b'\x00\x00'
if filetype == EDF_Filetype.DARK_SOULS_1:
header_size = struct.calcsize("<4sIII 18I I xxxx")
else:
header_size = struct.calcsize("<4sIII 18Q Q")
packed_data = ""
offset_to_main_class_table = len(packed_data) + header_size
for c in self.main_classes_list:
packed_data += c.to_binary(strings_name_index_dict)
offset_to_main_instr_table = len(packed_data) + header_size
for i in self.main_instrs_list:
packed_data += i.to_binary(strings_name_index_dict)
offset_to_main_arg_table = len(packed_data) + header_size
for a in self.main_args_list:
packed_data += a.to_binary(strings_name_index_dict)
offset_to_extra_class_table = len(packed_data) + header_size
for c in self.extra_classes_list:
packed_data += c.to_binary(strings_name_index_dict)
offset_to_extra_instr_table = len(packed_data) + header_size
for i in self.extra_instrs_list:
packed_data += i.to_binary(strings_name_index_dict)
offset_to_extra_arg_table = len(packed_data) + header_size
for a in self.extra_args_list:
packed_data += a.to_binary(strings_name_index_dict)
offset_to_enum_table = len(packed_data) + header_size
for e in self.enums_list:
packed_data += e.to_binary(strings_name_index_dict)
offset_to_enum_values_table = len(packed_data) + header_size
for v in self.enum_values_list:
packed_data += v.to_binary(strings_name_index_dict)
offset_to_strings_table = len(packed_data) + header_size
packed_data += packed_strings_data
filesize = len(packed_data) + header_size
if filetype == EDF_Filetype.DARK_SOULS_1:
packed_data_header = b"EDF\x00" + b"\x00\x00\x00\x00\x65\x00\xCC\x00"
packed_data_header += struct.pack("<I 18I II", filesize, len(self.main_classes_list),
offset_to_main_class_table, len(self.main_instrs_list),
offset_to_main_instr_table, len(self.main_args_list),
offset_to_main_arg_table, len(self.extra_classes_list),
offset_to_extra_class_table, len(self.extra_instrs_list),
offset_to_extra_instr_table, len(self.extra_args_list),
offset_to_extra_arg_table, len(self.enums_list),
offset_to_enum_table, len(self.enum_values_list),
offset_to_enum_values_table, len(packed_strings_data),
offset_to_strings_table, self.unknown, 0)
else:
packed_data_header = b"EDF\x00" + b"\x00\xFF\x00\x00\x65\x00\xCC\x00"
packed_data_header += struct.pack("<I 18Q Q", filesize, len(self.main_classes_list),
offset_to_main_class_table, len(self.main_instrs_list),
offset_to_main_instr_table, len(self.main_args_list),
offset_to_main_arg_table, len(self.extra_classes_list),
offset_to_extra_class_table, len(self.extra_instrs_list),
offset_to_extra_instr_table, len(self.extra_args_list),
offset_to_extra_arg_table, len(self.enums_list),
offset_to_enum_table, len(self.enum_values_list),
offset_to_enum_values_table, len(packed_strings_data),
offset_to_strings_table, self.unknown)
return packed_data_header + packed_data
def to_serializeable(self):
main_classes = [c.to_serializeable(self.main_instrs_list, self.main_args_list,
self.enums_list, self.strings_list) for c in self.main_classes_list]
extra_classes = [c.to_serializeable(self.extra_instrs_list, self.extra_args_list,
self.enums_list, self.strings_list) for c in self.extra_classes_list]
enums = [e.to_serializeable(self.enum_values_list, self.strings_list) for e in self.enums_list]
return serial.Serializeable_EDF_Struct(**{
'unknown': self.unknown,
'main_classes': main_classes,
'extra_classes': extra_classes,
'enums': enums
})
if __name__ == "__main__":
logging.basicConfig(stream=sys.stdout, level=logging.WARN)
if len(sys.argv) == 1:
print("Usage: " + sys.argv[0] + " <EMEDF File>")
else:
with open(sys.argv[1], "rb") as f:
content = f.read()
edf_data = EDF_Struct.from_file_content(content)
edf_data.main_classes_list.sort(key=lambda x: x.index)
print(edf_data.to_serializeable().to_pretty_string(suppress_unknown_arg_data = True))