BloodMagic/BM_src/thaumcraft/api/aspects/IEssentiaTransport.java

package thaumcraft.api.aspects;

import net.minecraftforge.common.ForgeDirection;

/**
 * @author Azanor
 *         This interface is used by tiles that use or transport vis.
 *         Only tiles that implement this interface will be able to connect to vis conduits or other thaumic devices
 */
public interface IEssentiaTransport
{
    /**
     * Is this tile able to connect to other vis users/sources on the specified side?
     *
     * @param face
     * @return
     */
    public boolean isConnectable(ForgeDirection face);

    /**
     * Is this side used to input essentia?
     *
     * @param face
     * @return
     */
    boolean canInputFrom(ForgeDirection face);

    /**
     * Is this side used to output essentia?
     *
     * @param face
     * @return
     */
    boolean canOutputTo(ForgeDirection face);

//	/**
//	 * Can this tile act as a source of vis?
//	 * @return
//	 */
//	public boolean isVisSource();
//
//	/**
//	 * Is this tile a conduit that transports vis?
//	 * @return
//	 */
//	public boolean isVisConduit();

    /**
     * Sets the amount of suction this block will apply
     *
     * @param suction
     */
    public void setSuction(AspectList suction);

    /**
     * Sets the amount of suction this block will apply
     *
     * @param suction
     */
    public void setSuction(Aspect aspect, int amount);

    /**
     * Returns the amount of suction this block is applying.
     *
     * @param loc the location from where the suction is being checked
     * @return
     */
    public AspectList getSuction(ForgeDirection face);

    /**
     * remove the specified amount of vis from this transport tile
     *
     * @param suction
     * @return how much was actually taken
     */
    public int takeVis(Aspect aspect, int amount);

    public AspectList getEssentia(ForgeDirection face);

    /**
     * Essentia will not be drawn from this container unless the suction exceeds this amount.
     *
     * @return the amount
     */
    public int getMinimumSuction();

    /**
     * Return true if you want the conduit to extend a little further into the block.
     * Used by jars and alembics that have smaller than normal hitboxes
     *
     * @return
     */
    boolean renderExtendedTube();
}