src/main/java/gregtech/api/interfaces/tileentity/IHasInventory.java


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package gregtech.api.interfaces.tileentity;

import net.minecraft.inventory.ISidedInventory;
import net.minecraft.item.ItemStack;

public interface IHasInventory extends ISidedInventory, IHasWorldObjectAndCoords {

    default void markInventoryBeenModified() {}

    /**
     * if the Inventory of this TileEntity got modified this tick
     */
    boolean hasInventoryBeenModified();

    /**
     * if this is just a Holoslot
     */
    boolean isValidSlot(int aIndex);

    /**
     * Tries to add a Stack to the Slot. It doesn't matter if the Slot is valid or invalid as described at the Function
     * above.
     *
     * @return true if aStack == null, then false if aIndex is out of bounds, then false if aStack cannot be added, and
     *         then true if aStack has been added
     */
    boolean addStackToSlot(int aIndex, ItemStack aStack);

    /**
     * Tries to add X Items of a Stack to the Slot. It doesn't matter if the Slot is valid or invalid as described at
     * the Function above.
     *
     * @return true if aStack == null, then false if aIndex is out of bounds, then false if aStack cannot be added, and
     *         then true if aStack has been added
     */
    boolean addStackToSlot(int aIndex, ItemStack aStack, int aAmount);
}