TinkersConstruct/src/main/java/tconstruct/client/tabs/InventoryTabKnapsack.java

package tconstruct.client.tabs;

import net.minecraft.item.ItemStack;
import tconstruct.client.TControls;
import tconstruct.client.TProxyClient;
import tconstruct.common.TRepo;

public class InventoryTabKnapsack extends AbstractTab
{
    public InventoryTabKnapsack()
    {
        super(0, 0, 0, new ItemStack(TRepo.knapsack));
    }

    @Override
    public void onTabClicked ()
    {
        TControls.openKnapsackGui();
    }

    @Override
    public boolean shouldAddToList ()
    {
        return TProxyClient.armorExtended.inventory[2] != null && TProxyClient.armorExtended.inventory[2].getItem() == TRepo.knapsack;
    }
}