mirror of
https://github.com/a2-4am/4cade.git
synced 2024-11-23 12:33:32 +00:00
64 lines
2.3 KiB
Python
Executable File
64 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
# parameters
|
|
# stdin - input containing slideshow (e.g. some file in res/SS/)
|
|
# stdout - binary OKVS data structure
|
|
# 1 - name of slideshow file (used to decide whether if this is an action slideshow)
|
|
# 2 - name of file containing list of games with metadata (e.g. build/GAMES.CONF)
|
|
|
|
import argparse
|
|
import os.path
|
|
from struct import pack
|
|
import sys
|
|
|
|
# indexes into |flags| as string
|
|
iNeedsJoystick = 0
|
|
iNeeds128K = 1
|
|
|
|
# maps of flag raw string value -> value in final flags byte
|
|
kNeedsJoystick = {'0': 0, '1': 128}
|
|
kNeeds128K = {'0': 0, '1': 64}
|
|
|
|
def build(records, args):
|
|
with open(args.games_file, 'r') as games_file_handle:
|
|
games_list = [x.strip() for x in games_file_handle.readlines()]
|
|
games_list = [x.replace('=',',').split(',')
|
|
for x in games_list
|
|
if x and x[0] not in ('#', '[')]
|
|
if os.path.basename(args.slideshow_file).startswith('ACT'):
|
|
games_cache = dict([(key, (flags, displayname)) for flags, key, displayname in games_list])
|
|
else:
|
|
games_cache = dict([(key, (flags, '')) for flags, key, displayname in games_list])
|
|
|
|
# yield OKVS header (2 x 2 bytes, unsigned int, little-endian)
|
|
yield pack('<2H', len(records), 0)
|
|
|
|
for key, dummy, value in records:
|
|
flags, displayname = games_cache[value or key]
|
|
|
|
# yield record length (1 byte)
|
|
yield pack('B', len(key) + len(value) + len(displayname) + 5)
|
|
|
|
# yield key (Pascal-style string)
|
|
yield pack(f'{len(key)+1}p', key.encode('ascii'))
|
|
|
|
# yield value (Pascal-style string)
|
|
yield pack(f'{len(value)+1}p', value.encode('ascii'))
|
|
|
|
# yield display name (Pascal-style string)
|
|
yield pack(f'{len(displayname)+1}p', displayname.encode('ascii'))
|
|
|
|
# yield flags
|
|
yield pack('B', kNeedsJoystick[flags[iNeedsJoystick]] + \
|
|
kNeeds128K[flags[iNeeds128K]])
|
|
|
|
if __name__ == "__main__":
|
|
parser = argparse.ArgumentParser(description="Build indexed OKVS structure from slideshow configuration file")
|
|
parser.add_argument("slideshow_file")
|
|
parser.add_argument("games_file")
|
|
args = parser.parse_args()
|
|
records = [x.strip() for x in sys.stdin.readlines()]
|
|
records = [x.partition('=') for x in records if x and x[0] not in ('#', '[')]
|
|
for b in build(records, args):
|
|
sys.stdout.buffer.write(b)
|