f = open(pac_path, 'rb')

assert f.read(4) == b'KCAP'

util.log('\nReading PAC', pac_path, level=util.LOG_INFO)

files = OrderedDict()

f.seek(0x04, 1)

file_count = util.readlong(f)

util.log('{:d} files in archive'.format(file_count), level=util.LOG_INFO)

if read_inner:

import fmt_omo

for i in range(0, file_count):

f.seek(0x10 + i*4)

f.seek(util.readlong(f))

file_name = util.readstring(f)

m = re.match('(.*)([A-Z])([0-9][0-9])(.*)\.([a-z]{3})', file_name)

if not m:

util.log('Unmatched file skipped', file_name, level=util.LOG_ERROR)

continue

bodygroup = m.group(1)

motion_name = m.group(4)

ext = m.group(5)

f.seek(0x10 + (file_count * 4) + (i * 4))

file_offset = util.readlong(f)

f.seek(0x10 + (file_count * 8) + (i * 4))

file_len = util.readlong(f)

f.seek(file_offset)

file_contents = f.read(file_len)

assert(len(file_contents) == file_len)

if read_inner and m.group(5) == 'omo':

util.log('\nReading OMO', file_name, level=util.LOG_INFO)

files[file_name] = fmt_omo.read(file_contents)

else:

files[file_name] = file_contents

return files