def unpackGRADIENT(data):
dataBits = bitstruct.bytesToBits([data[0]])
spreadMode = ["Pad", "Reflect", "Repeat", False][bitstruct.bitsToUInt(dataBits[0:2])]
interpolationMode = ["Normal", "Linear", False, False][bitstruct.bitsToUInt(dataBits[2:4])]
numGradients = bitstruct.bitsToUInt(dataBits[4:])
gradientRecords = []
for index in range(numGradients):
gradientRecords += [{"Ratio":data[index * 4 + 1],
"R":data[index * 4 + 2],
"G":data[index * 4 + 3],
"B":data[index * 4 + 4]}]
return numGradients * 4 + 1, {"SpreadMode":spreadMode,
"InterpolationMode":interpolationMode,
"GradientRecords":gradientRecords}
def parseDefineSound(tagData):
#DefineSound - Stores audio data, either uncompressed or compressed
characterId = struct.unpack("<H", tagData[0:2])[0]
formatRateSizeType = bitstruct.bytesToBits([tagData[2]])
soundFormat = bitstruct.bitsToUInt(formatRateSizeType[0:4])
soundRate = bitstruct.bitsToUInt(formatRateSizeType[4:6])
if formatRateSizeType[6]:
soundSize = 16
else:
soundSize = 8
soundStereo = formatRateSizeType[7]
#
#TODO: Save audio, at least as raw data.
#
return {"CharacterId": characterId,
"SoundFormat": soundFormat,
"SampleRate": [5512, 11025, 22050, 44100][soundRate],
"SampleSize": soundSize,
"Stereo":soundStereo
}
