if (stack.stackTagCompound == null) {
stack.setTagCompound(new NBTTagCompound());
}
AspectList aspectList = new AspectList().add(aspect, 1);
NBTTagCompound nbt = new NBTTagCompound();
aspectList.writeToNBT(nbt);
stack.stackTagCompound.setTag(NBT_MAIN_ASPECT, nbt);
}
public static AspectList getAspectTendencies(ItemStack stack) {
AspectList aspectList = new AspectList();