Code:
public void readFromNBT(NBTTagCompound compound) {
super.readFromNBT(compound);
NBTTagList items = compound.getTagList("Items", Constants.NBT.TAG_COMPOUND);
for (int i = 0; i < items.tagCount(); ++i) {
NBTTagCompound item = (NBTTagCompound) items.getCompoundTagAt(i);
// etc.
}
}