.

minecraft/net/minecraft/src/eui/robotics/EntityRobot.java

@@ -27,6 +27,7 @@ public class EntityRobot extends EntityCreature {
 	@Override
 	public int getMaxHealth() {
 		// TODO Auto-generated method stub
-		return 0;
+		return 1;
 	}
+
 }

minecraft/net/minecraft/src/pipes/api/ILiquidConsumer.java

@@ -0,0 +1,33 @@
+package net.minecraft.src.eui.pipes.api;
+
+
+public interface ILiquidConsumer
+{
+	/**
+	 * onRecieveLiquid
+	 * @param vol - The amount this block received.
+	 * @param side - The side of the block in which the liquid came from.
+	 * @parm type - The type of liquid being received
+	 * @return vol - The amount liquid that can't be recieved
+	 */
+	public int onReceiveLiquid(int type, int vol, byte side);
+	
+	/**
+	 * You can use this to check if a pipe can connect to this liquid consumer to properly render the graphics
+	 * @param side - The side in which the electricity is coming from.
+	 * @parm type - The type of liquid 
+	 * @return Returns true or false if this consumer can receive electricity at this given tick or moment.
+	 */
+	public boolean canRecieveLiquid(int type, byte side);
+	
+	/**
+	 * @return Return the stored liquid of type in this consumer.
+	 */
+	public int getStoredLiquid(int type);
+	
+	/**
+	 * @return Return the maximum amount of stored liquid this consumer can get.
+	 */
+	public int getLiquidCapacity(int type);
+	
+}

minecraft/net/minecraft/src/pipes/api/ILiquidProducer.java

@@ -0,0 +1,28 @@
+package net.minecraft.src.eui.pipes.api;
+
+/**
+ * The UEIProducer interface is an interface that must be applied to all tile entities that can produce electricity.
+ * @author Calclavia
+ *
+ */
+public interface ILiquidProducer
+{
+	/**
+	 * onProduceLiquid  
+	 * block.
+	 * @param type - the type of liquid 
+	 * @param maxvol - The maximum vol or requested volume
+	 * @param side - The side 
+	 * @return vol - Return a vol of liquid type that is produced
+	 */
+	public int onProduceLiquid(int type, int maxVol, int side);
+	/**
+	 * canProduceLiquid  
+	 * block.
+	 * @param type - the type of liquid 
+	 * @param side - The side 
+	 * @return boolean - True if can, false if can't produce liquid of type or on that side
+	 * Also used for connection rules of pipes'
+	 */
+	public boolean canProduceLiquid(int type, byte side);
+}