satisfactory/src/main/satisfactory/items/requirements/RateAccumulator.java

package satisfactory.items.requirements;

import satisfactory.items.Item;
import satisfactory.items.Recipe;

import java.util.HashMap;
import java.util.Map;

public class RateAccumulator extends Accumulator<Float> {
    private Item item;

    public RateAccumulator(Recipe recipe, Item item) {
        super(new HashMap<>());
        recipe.getInputs().forEach((item1, integer) -> inputs.put(item1, Float.valueOf(integer)));
        this.item = item;
    }

    @Override
    protected Float calculate(Item i, Float subAmount, Float amount, Map<Item, Float> total) {
        Float base = total.getOrDefault(i, 0f);
        float additional = subAmount * amount * i.getProductionRate();
        return base + additional;
    }

    @Override
    protected Float dequeue(Item item, Float amount, Map<Item, Float> totals) {
        return totals.getOrDefault(item, 0f) + amount;
    }

    @Override
    protected Map<Item, Float> getRequirements(Recipe r, Item i) {
        return r.getRequirementRates(i);
    }
}