Added PlayerInteractEntityEvent which fires when a player right clicks an entity. Thanks fullwall!

src/main/java/org/bukkit/event/Event.java

@@ -232,6 +232,13 @@ public abstract class Event implements Serializable {
          */
         PLAYER_INTERACT (Category.PLAYER),
 
+        /**
+         * Called when a player right clicks an entity
+         *
+         * @see org.bukkit.event.player.PlayerInteractEntityEvent
+         */
+        PLAYER_INTERACT_ENTITY (Category.PLAYER),
+
         /**
          * Called when a player throws an egg and it might hatch
          *

src/main/java/org/bukkit/event/player/PlayerInteractEntityEvent.java

@@ -0,0 +1,47 @@
+package org.bukkit.event.player;
+
+import org.bukkit.entity.Entity;
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+
+/**
+ * Represents an event that is called when a player right clicks an entity.
+ */
+public class PlayerInteractEntityEvent extends PlayerEvent implements Cancellable {
+    protected Entity clickedEntity;
+    boolean cancelled = false;
+
+    public PlayerInteractEntityEvent(Player who, Entity clickedEntity) {
+        super(Type.PLAYER_INTERACT_ENTITY, who);
+        this.clickedEntity = clickedEntity;
+    }
+
+    /**
+     * Gets the cancellation state of this event. A cancelled event will not
+     * be executed in the server, but will still pass to other plugins
+     *
+     * @return true if this event is cancelled
+     */
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    /**
+     * Sets the cancellation state of this event. A cancelled event will not
+     * be executed in the server, but will still pass to other plugins.
+     *
+     * @param cancel true if you wish to cancel this event
+     */
+    public void setCancelled(boolean cancel) {
+        this.cancelled = cancel;
+    }
+
+    /**
+     * Gets the entity that was rightclicked by the player.
+     *
+     * @return entity right clicked by player
+     */
+    public Entity getRightClicked() {
+        return this.clickedEntity;
+    }
+}

src/main/java/org/bukkit/event/player/PlayerListener.java

@@ -92,6 +92,14 @@ public class PlayerListener implements Listener {
     public void onPlayerInteract(PlayerInteractEvent event) {
     }
 
+    /**
+     * Called when a player right clicks an entity.
+     *
+     * @param event Relevant event details
+     */
+    public void onPlayerInteractEntity(PlayerInteractEntityEvent event) {
+    }
+
     /**
      * Called when a player attempts to log in to the server
      *

src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java

@@ -280,6 +280,12 @@ public final class JavaPluginLoader implements PluginLoader {
                     ((PlayerListener) listener).onPlayerInteract((PlayerInteractEvent) event);
                 }
             };
+        case PLAYER_INTERACT_ENTITY:
+            return new EventExecutor() {
+                public void execute(Listener listener, Event event) {
+                    ((PlayerListener) listener).onPlayerInteractEntity((PlayerInteractEntityEvent) event);
+                }
+            };
         case PLAYER_LOGIN:
             return new EventExecutor() {
                 public void execute(Listener listener, Event event) {