private Slot track;
public ContainerTrackRelayer(InventoryPlayer inventoryplayer, EntityCartTrackRelayer cart) {
super(cart);
this.cart = cart;
addSlot(new SlotTrackFilter(cart.getPattern(), 0, 26, 43));
addSlot(track = new SlotTrackFilter(cart.getPattern(), 1, 71, 43));
addSlot(new SlotLinked(cart, 0, 130, 43, track));
for (int i = 0; i < 3; i++) {
for (int k = 0; k < 9; k++) {
addSlot(new Slot(inventoryplayer, k + i * 9 + 9, 8 + k * 18, 84 + i * 18));
}