def load(filename: str) -> GameDataFile:
with open(filename, 'rb') as f:
# Read entire file
data = ScnDataReader(f.read())
data.decompress()
# Decompress only!
# open("Empires_uncompressed.dat", 'wb').write(data.read())
# exit(0)
game_data_file = GameDataFile.read(data)
data.done()
return game_data_file
def read(data: ScnDataReader):
# Load header
file_version = data.string_fixed(size=4)
file_version_float = float(file_version)
header_size = data.uint32()
data.mark(name='SCN header', limit=header_size) # header size
header_version = data.uint32(debug='header_version')
if header_version >= 3:
# DE scenario a bit different
timestamp = data.uint32(debug='Timestamp maybe')
string_marker = data.uint16(debug='string_marker') # always 2656
description = data.string16(debug='description')
# Data sometimes here sometimes not. Need to check remaining bytes in header size to see if we can read it.
if header_size - data.bytes_read_since_mark >= 8:
# might not account for all possibilities for these fields
has_single_player_victory_condition = data.boolean32()
player_count = data.uint32()
else:
has_single_player_victory_condition = False
player_count = -1
scenario_header = ScnHeader(file_version=file_version_float,
header_version=header_version,
timestamp=timestamp,
description=description,
has_singleplayer_victory_condition=
has_single_player_victory_condition,
player_count=player_count)
else:
timestamp = data.uint32(debug='timestamp')
scenario_header = ScnHeader(
file_version=file_version_float,
header_version=header_version,
timestamp=timestamp,
description=data.string32(),
has_singleplayer_victory_condition=data.boolean32(),
player_count=data.uint32())
logging.debug(scenario_header)
data.unmark()
data.decompress()
return scenario_header