for use with parse_tpl.py for Super Monkey Ball 2's Preview TPLs

extract_preview.py

from parse_tpl import *
from os import mkdir
from os.path import exists

name = "banner"
width = 96
height = 32

if not exists(name):
    mkdir(name)

with open("%s%sx%s.tpl" % (name, width, height), "rb") as f:
    f.seek(0, 2)
    size = f.tell()
    count = int(float(size) / float(width) / float(height) / 2.0)
    for i in range(count):
        tex = RGB5A3_Texture(width, height)
        f.seek(width * height * 2 * i)
        tex.DecodeImage(f)
        tex.image.save("%s/img%d.png" % (name, i))