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| import sys
import shutil
import json
from datetime import datetime
from msgpack import Unpacker
from lz4.block import decompress as lz4_decompress
def decode_savedata(data):
save_loader = Unpacker(None, max_buffer_size=0,strict_map_key=False)
save_loader.feed(data)
for _ in range(2):
ext_code, data = save_loader.unpack()
assert ext_code == 99
unpacker = Unpacker(None, max_buffer_size=0,strict_map_key=False)
unpacker.feed(data)
original_size = unpacker.unpack()
start_pos = unpacker.tell()
print("original_size",original_size,"start_pos",start_pos)
data1 = data[start_pos:]
raw = lz4_decompress(data1, uncompressed_size=original_size)
assert len(raw) == original_size
unpacker = Unpacker(None, max_buffer_size=0,strict_map_key=False)
unpacker.feed(raw)
d = unpacker.unpack()
if 'screenShotData' in d:
d['screenShotData'] = ''
yield d
def time_format(playedTime):
millisec = playedTime % 10000000
ss = int(playedTime / 10000000 % 60)
mm = int(playedTime / 600000000 % 60)
hh = int(playedTime / 36000000000 % 24)
days = int(playedTime / 36000000000) // 24
return (f"{days}." if days else "") + f"{hh:02}:{mm:02}:{ss:02}.{millisec:07}"
def generate_titlesave(header,data) -> bytes:
s = ''
s += f"TitleSave,{header['difficulty']}\r\n"
s += time_format(header['playedTime']) + '\r\n'
s += str(header['playedDays']) + '\r\n'
s += f"{header['trackedQuestId']},{header['modName']},{header['modId']}\r\n"
s += f"{int(data['ScreenShotSize'][0])}, {int(data['ScreenShotSize'][1])}, 0\r\n"
s += data['ScreenShot'] + "\r\n"
data['ScreenShot'] = ''
data['TotalTime'] = time_format(data['TotalTime'])
data['GameWorldTime'] = datetime.fromtimestamp((data['GameWorldTime'] - 621355968000000000) / 10000000).strftime("%Y-%m-%dT%H:%M:%S")
data['PlayerPostioion'] = [f"{round(i,5):.5f}" for i in data['PlayerPostioion']]
data['PlayerDirection'] = round(data['PlayerDirection'],6)
data['RelativeCameraPosition'] = [f"{round(i,5):.5f}" for i in data['RelativeCameraPosition']]
data['TaggedPosition'] = [f"{round(i,5):.5f}" for i in data['TaggedPosition']]
def recursive_modify(d: dict):
for k in d:
v = d[k]
if k in ['position', 'forward'] and isinstance(v,list):
d[k] = [f"{round(j,5):.5f}" for j in d[k]]
elif k == 'Span':
d[k] = time_format(d[k])
d[k] = d[k][:d[k].rindex(".")]
if date_time_tick := d['Time']:
d['Time'] = datetime.fromtimestamp((date_time_tick - 621355968000000000) / 10000000).strftime("%Y-%m-%dT%H:%M:%S")
elif isinstance(v,dict):
recursive_modify(d[k])
elif isinstance(v,list):
for it in v:
if isinstance(it,dict):
recursive_modify(it)
recursive_modify(data)
data = json.dumps(data,separators=(",",":"),ensure_ascii=False)
s += data
s = s.encode("utf8")
return s
if __name__ == '__main__':
if len(sys.argv) < 2:
print("usage: python heluo_save_converter.py savefile [output_name]")
exit()
elif len(sys.argv) == 2:
save1 = save2 = sys.argv[1]
else:
save1, save2, *_ = sys.argv[1:]
with open(save1,"rb") as f:
f.read(9)
binary = f.read()
if save1 == save2:
shutil.copy(save1,save1+".bak")
header,gamedata = list(decode_savedata(binary))
save = generate_titlesave(header,gamedata)
with open(save2,"wb") as f:
f.write(save)
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