BloodMagic/BM_src/thaumcraft/api/nodes/IRevealer.java

package thaumcraft.api.nodes;

import net.minecraft.entity.EntityLivingBase;
import net.minecraft.item.ItemStack;

/**
 * @author Azanor
 *         <p/>
 *         Equipped head slot items that extend this class will make nodes visible in world.
 */

public interface IRevealer
{
    /*
     * If this method returns true the nodes will be visible.
     */
    public boolean showNodes(ItemStack itemstack, EntityLivingBase player);
}