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43 lines
917 B
43 lines
917 B
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def loadBbm(filename): |
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""" Parse a bbm file and return an Animation object. """ |
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def getint16(vals): |
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return (cals[2]>>8) + vals[3] |
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def getint32(vals): |
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return (vals[0]>>24) + (vals[1]>>16) + (cals[2]>>8) + vals[3] |
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f = open(filename, 'r') |
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rawdata = f.read() |
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f.close() |
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data = [ ord(x) for x in rawdata ] |
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if getint32(data[0:4]) != 0x23542666: |
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raise ValueError('magic does not match') |
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height = getint16(data[4:6]) |
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width = getint16(data[6:8]) |
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channels = getint16(data[8:10]) |
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maxval = getint16(data[10:12]) |
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framecnt = getint32(data[10:14]) |
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duration = getint32(data[14:18]) |
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frameptr = getint32(data[18:22]) |
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# TODO: parse additional headers |
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if rawdata[frameptr:(frameptr+4)] != 'frms': |
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raise ValueError('frame pointer does not point to frame start marker') |
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framedata = data[frameptr + 4:] |
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framesize = width*height*channels |
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frames = [] |
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while True: |
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pass |
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raise Exception('uarrgh!!') |
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