mymusic2txt.py

from sys import argv
from struct import unpack
import string
import SmashULib

# for use with bgm_mymusic.mmb

mymusic = open(argv[1], 'rb')
assert mymusic.read(3) == "MMB"

mymusic.seek(8)

# Getting the amount of "stages" (some are just single song menus)
count = unpack('<I', mymusic.read(4))[0]
# Stage offset table starts at 0xc
# Stage offset is 0xc + count * 4
stageStartOffset = 0xc + count * 4
for m in range(0,count):
    mymusic.seek(0xc + m * 4)
    offset = unpack('<I', mymusic.read(4))[0]
    mymusic.seek(stageStartOffset + offset)
    # 0x20 bytes are reserved for the stage string, and just removing null bytes for now
    stage = string.replace(mymusic.read(0x20), "\x00", "")
    print stage
    songCount = unpack('<I', mymusic.read(4))[0]
    for s in range(0, songCount):
        # Each song entry for a stage is 0x3c bytes
        mymusic.seek(stageStartOffset + offset + 0x24 + s * 0x3c)
        songID = unpack('<I', mymusic.read(4))[0]
        songSlot = unpack('<H', mymusic.read(2))[0]
        # Skiping 0xffff
        mymusic.seek(2, 1)
        priority = unpack('<I', mymusic.read(4))[0]
        print "\tSlot " + str(songSlot) + " -\t" + SmashULib.smashSongs[songID] + "\t" + str(priority) + "%"
        # The final 0x30 bytes are 0xffff, followed by 0x2e bytes of 0