[Bleeding] Changed event system into a new, much faster design. Huge thanks to @zml2008 & @lahwran.

src/main/java/org/bukkit/event/entity/EntityInteractEvent.java

@@ -3,12 +3,14 @@ package org.bukkit.event.entity;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Entity;
 import org.bukkit.event.Cancellable;
+import org.bukkit.event.HandlerList;
 
 /**
  * Called when an entity interacts with an object
  */
 @SuppressWarnings("serial")
 public class EntityInteractEvent extends EntityEvent implements Cancellable {
+    private static final HandlerList handlers = new HandlerList();
     protected Block block;
 
     private boolean cancelled;
@@ -34,4 +36,13 @@ public class EntityInteractEvent extends EntityEvent implements Cancellable {
     public Block getBlock() {
         return block;
     }
+
+    @Override
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
 }