private InventoryItem i1,i2,i3,i4;

    public ContenedorBase(InventoryPlayer inventory){
        i1 = new InventoryItem();
        i2 = new InventoryItem();
        i3 = new InventoryItem();
        i4 = new InventoryItem();
        s1 = new Slot(i1, 0, 29, 16);
        s2 = new Slot(i2, 1, 29, 36);
        s3 = new Slot(i3, 2, 29, 56);
        s4 = new Slot(i4, 3, 119, 36);


        addSlotToContainer(s1);
        addSlotToContainer(s2);
        addSlotToContainer(s3);
        addSlotToContainer(s4);

        bindPlayerInventory(inventory);

    }

    protected void bindPlayerInventory(InventoryPlayer inventoryPlayer) {
        for (int i = 0; i < 3; i++) {
                for (int j = 0; j < 9; j++) {
                        addSlotToContainer(new Slot(inventoryPlayer, j + i * 9 + 9, 8 + j * 18, 84 + i * 18));
                }
        }

        for (int i = 0; i < 9; i++) {
                addSlotToContainer(new Slot(inventoryPlayer, i, 8 + i * 18, 142));
        }
    }