def read(self, stream, resources=None):
s = StreamReader(stream)
s.seek(12, io.SEEK_SET)
c = s.i32()
ce = ComplateEncoder()
for i in range(c):
if not s.i8() == 1: s.i32()
preset_len = s.u32()
expected_end = s.tell() + preset_len
preset = self.BuildBuyPreset()
preset.complate = ce.deserialize(stream, resources)
assert s.tell() == expected_end
preset.id = s.u32()
self.presets.append(preset)
