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44 lines
917 B
44 lines
917 B
8 years ago
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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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