HungerOverrideData.java

    @Override
    public Optional<HungerOverrideData> fill(DataHolder dataHolder, DataPriority overlap) {
        HungerOverrideData man = new HungerOverrideData(this);
        HungerOverrideData hold = dataHolder.getData(HungerOverrideData.class).orNull();
        HungerOverrideData out = null;
        switch (overlap){
            case DATA_HOLDER:
                out = hold;
                break;
            case DATA_MANIPULATOR:
                out = man;
                //fallthrough
            case PRE_MERGE:
                out = man;
                if(dataHolder.getData(HungerOverrideData.class).isPresent()){
                    out.amount =+ hold.amount;
                }
                break;
            case POST_MERGE:
                out = hold;
                out.amount =+ man.amount;
                break;
        }
        return Optional.of(out);
    }