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Copy pathTypeTreeHelper.py
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392 lines (352 loc) · 12.6 KB
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from UnityPy.streams import EndianBinaryReader, EndianBinaryWriter
from ctypes import c_uint32
import base64
import tabulate
def get_nodes(nodes: list, index: int) -> list:
'''Copies all nodes above the level of the node at the set index.
Parameters
----------
nodes : list
nodes/nodes of the typetree
index : int
index of the node
Returns
-------
list
A list of nodes
'''
nodes2 = [nodes[index]]
level = nodes[index].level
for node in nodes[index+1:]:
if (node.level <= level):
return nodes2
nodes2.append(node)
return nodes2
def read_typetree(nodes: list, reader: EndianBinaryReader) -> dict:
'''Reads the typetree of the object contained in the reader via the node list.
Parameters
----------
nodes : list
List of nodes/nodes
reader : EndianBinaryReader
Reader of the object to be parsed
Returns
-------
dict
The parsed typtree
'''
# reader.reset()
obj = {}
i = c_uint32(1)
while i.value < len(nodes):
node = nodes[i.value]
obj[node.name] = read_value(nodes, reader, i)
i.value += 1
readed = reader.Position - reader.byte_start
if readed != reader.byte_size:
print(
f"Error while read type, read {readed} bytes but expected {reader.byte_size} bytes")
return obj
def read_value(nodes: list, reader: EndianBinaryReader, i: c_uint32):
node = nodes[i.value]
typ = node.type
align = (node.meta_flag & 0x4000) != 0
if typ == "SInt8":
value = reader.read_byte()
elif typ in ["UInt8", "char"]:
value = reader.read_u_byte()
elif typ in ["short", "SInt16"]:
value = reader.read_short()
elif typ in ["UInt16", "unsigned short"]:
value = reader.read_u_short()
elif typ in ["int", "SInt32"]:
value = reader.read_int()
elif typ in ["UInt32", "unsigned int", "Type*"]:
value = reader.read_u_int()
elif typ in ["long long", "SInt64"]:
value = reader.read_long()
elif typ in ["UInt64", "unsigned long long", "FileSize"]:
value = reader.read_u_long()
elif typ == "float":
value = reader.read_float()
elif typ == "double":
value = reader.read_double()
elif typ == "bool":
value = reader.read_boolean()
elif typ == "string":
value = reader.read_aligned_string()
i.value += 3 # Array, Size, Data(typ)
elif typ == "map": # map == MultiDict
if ((nodes[i.value + 1].meta_flag & 0x4000) != 0):
align = True
map_ = get_nodes(nodes, i.value)
i.value += len(map_) - 1
first = get_nodes(map_, 4)
second = get_nodes(map_, 4 + len(first))
size = reader.read_int()
value = [None]*size
for j in range(size):
key = read_value(first, reader, c_uint32(0))
value[j] = (key, read_value(second, reader, c_uint32(0)))
elif typ == "TypelessData":
size = reader.read_int()
value = reader.read_bytes(size)
i.value += 2 # Size == int, Data(typ) == char/uint8
else:
# Vector
if i.value < len(nodes) - 1 and nodes[i.value + 1].type == "Array":
if (nodes[i.value + 1].meta_flag & 0x4000) != 0:
align = True
vector = get_nodes(nodes, i.value)
i.value += len(vector) - 1
size = reader.read_int()
value = [
read_value(vector, reader, c_uint32(3))
for _ in range(size)
]
else: # Class
clz = get_nodes(nodes, i.value)
i.value += len(clz) - 1
value = {}
j = c_uint32(1)
while j.value < len(clz):
clz_node = clz[j.value]
value[clz_node.name] = read_value(clz, reader, j)
j.value += 1
if align:
reader.align_stream()
return value
def read_typetree_str(sb: list, nodes: list, reader: EndianBinaryReader) -> list:
'''Reads the typetree of the object contained in the reader via the node list and dumps it as string.
Parameters
----------
sb : list
StringBuilder - a list used to build the string dump, should be empty
nodes : list
List of nodes/nodes
reader : EndianBinaryReader
Reader of the object to be parsed
Returns
-------
list
The sb given as input
'''
# reader.reset()
i = c_uint32(0)
while i.value < len(nodes):
read_value_str(sb, nodes, reader, i)
i.value += 1
readed = reader.Position - reader.byte_start
if readed != reader.byte_size:
print(
f"Error while read type, read {readed} bytes but expected {reader.byte_size} bytes")
return sb
def read_value_str(sb: list, nodes: list, reader: EndianBinaryReader, i: c_uint32) -> list:
node = nodes[i.value]
typ = node.type
align = (node.meta_flag & 0x4000) != 0
append = True
if typ == "SInt8":
value = reader.read_byte()
elif typ in ["UInt8", "char"]:
value = reader.read_u_byte()
elif typ in ["short", "SInt16"]:
value = reader.read_short()
elif typ in ["UInt16", "unsigned short"]:
value = reader.read_u_short()
elif typ in ["int", "SInt32"]:
value = reader.read_int()
elif typ in ["UInt32", "unsigned int", "Type*"]:
value = reader.read_u_int()
elif typ in ["long long", "SInt64"]:
value = reader.read_long()
elif typ in ["UInt64", "unsigned long long", "FileSize"]:
value = reader.read_u_long()
elif typ == "float":
value = reader.read_float()
elif typ == "double":
value = reader.read_double()
elif typ == "bool":
value = reader.read_boolean()
elif typ == "string":
value = reader.read_aligned_string()
i.value += 3 # Array, Size, Data(typ)
append = False
sb.append('{0}{1} {2} = "{3}"\r\n'.format(
"\t" * node.level, node.type, node.name, value
))
elif typ == "map":
if ((nodes[i.value + 1].meta_flag & 0x4000) != 0):
align = True
map_ = get_nodes(nodes, i.value)
i.value += len(map_) - 1
first = get_nodes(map_, 4)
second = get_nodes(map_, 4 + len(first))
size = reader.read_int()
append = False
sb.append("{0}{1} {2}\r\n".format(
"\t" * node.level, node.type, node.name))
sb.append("{0}{1} {2}\r\n".format(
"\t" * (node.level + 1), "Array", "Array"))
sb.append("{0}{1} {2} = {3}\r\n".format(
"\t" * (node.level + 1), "int", "size", size))
for j in range(size):
sb.append("{0}[{1}]\r\n".format("\t" * (node.level + 2), j))
sb.append("{0}{1} {2}\r\n".format(
"\t" * (node.level + 2), "pair", "data"))
read_value_str(sb, first, reader, c_uint32(0))
read_value_str(sb, second, reader, c_uint32(0))
elif typ == "TypelessData":
size = reader.read_int()
value = reader.read_bytes(size)
i.value += 2 # Size == int, Data(typ) == char/uint8
append = False
sb.append("{0}{1} {2}\r\n".format(
"\t" * node.level, node.type, node.name))
sb.append("{0}{1} {2} = {3}\r\n".format(
"\t" * node.level, "int", "size", size))
# sb.append("{0}{1} {2} = {3}\r\n".format(
# "\t" * node.level, "UInt8", "data", base64.b64encode(value)))
else:
# Vector
if i.value < len(nodes) - 1 and nodes[i.value + 1].type == "Array":
if (nodes[i.value + 1].meta_flag & 0x4000) != 0:
align = True
vector = get_nodes(nodes, i.value)
i.value += len(vector) - 1
size = reader.read_int()
append = False
sb.append("{0}{1} {2}\r\n".format(
"\t" * node.level, node.type, node.name))
sb.append("{0}{1} {2}\r\n".format(
"\t" * (node.level + 1), "Array", "Array"))
sb.append("{0}{1} {2} = {3}\r\n".format(
"\t" * (node.level + 1), "int", "size", size))
for j in range(size):
sb.append("{0}[{1}]\r\n".format("\t" * (node.level + 2), j))
read_value_str(sb, vector, reader, c_uint32(3))
else: # Class
clz = get_nodes(nodes, i.value)
i.value += len(clz) - 1
j = c_uint32(1)
append = False
sb.append("{0}{1} {2}\r\n".format(
"\t" * node.level, node.type, node.name))
while j.value < len(clz):
read_value_str(sb, clz, reader, j)
j.value += 1
if append:
sb.append("{0}{1} {2} = {3}\r\n".format(
"\t" * node.level, node.type, node.name, value
))
if align:
reader.align_stream()
return sb
def dump_typetree(nodes) -> str:
'''Dumps the structure of the given nodes.
Parameters
----------
nodes : list
List of nodes/nodes
Returns
-------
str
The dumped structure
'''
field_names = ["level", "type", "name", "meta_flag"]
rows = [
[
getattr(x, key) for key in field_names
]
for x in nodes
]
return tabulate.tabulate(rows, headers=field_names)
def write_typetree(obj: dict, nodes: list, writer: EndianBinaryWriter = None) -> EndianBinaryWriter:
'''Writes the data of the object via the given typetree of the object into the writer.
Parameters
----------
obj : dict
Object to be saved
nodes : list
List of nodes/nodes
writer : EndianBinaryWriter
Writer of the object to be saved
Returns
-------
EndianBinaryWriter
The writer that was used to save the data of the given object.
'''
if not writer:
writer = EndianBinaryWriter()
i = c_uint32(1)
while i.value < len(nodes):
value = obj[nodes[i.value].name]
write_value(value, nodes, writer, i)
i.value += 1
return writer
def write_value(value, nodes: list, writer: EndianBinaryWriter, i: c_uint32):
node = nodes[i.value]
typ = node.type
align = (node.meta_flag & 0x4000) != 0
if typ == "SInt8":
writer.write_byte(value)
elif typ in ["UInt8", "char"]:
writer.write_u_byte(value)
elif typ in ["short", "SInt16"]:
writer.write_short(value)
elif typ in ["UInt16", "unsigned short"]:
writer.write_u_short(value)
elif typ in ["int", "SInt32"]:
writer.write_int(value)
elif typ in ["UInt32", "unsigned int", "Type*"]:
writer.write_u_int(value)
elif typ in ["long long", "SInt64"]:
writer.write_long(value)
elif typ in ["UInt64", "unsigned long long", "FileSize"]:
writer.write_u_long(value)
elif typ == "float":
writer.write_float(value)
elif typ == "double":
writer.write_double(value)
elif typ == "bool":
writer.write_boolean(value)
elif typ == "string":
writer.write_aligned_string(value)
i.value += 3 # Array, Size, Data(typ)
elif typ == "map":
if ((nodes[i.value + 1].meta_flag & 0x4000) != 0):
align = True
map_ = get_nodes(nodes, i.value)
i.value += len(map_) - 1
first = get_nodes(map_, 4)
second = get_nodes(map_, 4 + len(first))
# size
writer.write_int(len(value))
# data
for key, val in value:
write_value(key, first, writer, c_uint32(0))
write_value(val, second, writer, c_uint32(0))
elif typ == "TypelessData":
writer.write_int(len(value))
writer.write_bytes(value)
i.value += 2 # Size == int, Data(typ) == char/uint8
else:
# Vector
if i.value < len(nodes) - 1 and nodes[i.value + 1].type == "Array":
if (nodes[i.value + 1].meta_flag & 0x4000) != 0:
align = True
vector = get_nodes(nodes, i.value)
i.value += len(vector) - 1
writer.write_int(len(value))
for val in value:
write_value(val, vector, writer, c_uint32(3))
else: # Class
clz = get_nodes(nodes, i.value)
i.value += len(clz) - 1
j = c_uint32(1)
while j.value < len(clz):
val = value[clz[j.value].name]
write_value(val, clz, writer, j)
j.value += 1
if align:
writer.align_stream()