package net.minecraft.world.inventory;

public abstract class DataSlot {
	private int prevValue;

	public static DataSlot forContainer(final ContainerData container, final int dataId) {
		return new DataSlot() {
			@Override
			public int get() {
				return container.get(dataId);
			}

			@Override
			public void set(final int value) {
				container.set(dataId, value);
			}
		};
	}

	public static DataSlot shared(final int[] storage, final int index) {
		return new DataSlot() {
			@Override
			public int get() {
				return storage[index];
			}

			@Override
			public void set(final int value) {
				storage[index] = value;
			}
		};
	}

	public static DataSlot standalone() {
		return new DataSlot() {
			private int value;

			@Override
			public int get() {
				return this.value;
			}

			@Override
			public void set(final int value) {
				this.value = value;
			}
		};
	}

	public abstract int get();

	public abstract void set(int value);

	public boolean checkAndClearUpdateFlag() {
		int currentValue = this.get();
		boolean result = currentValue != this.prevValue;
		this.prevValue = currentValue;
		return result;
	}
}