Various changes to the vehicle hooks.

src/main/java/org/bukkit/event/vehicle/VehicleEntityCollisionEvent.java

@@ -2,14 +2,18 @@ package org.bukkit.event.vehicle;
 
 import org.bukkit.Entity;
 import org.bukkit.Vehicle;
+import org.bukkit.event.Cancellable;
 
 /**
  * Raised when a vehicle collides with an entity.
  * 
  * @author sk89q
  */
-public class VehicleEntityCollisionEvent extends VehicleCollisionEvent {
+public class VehicleEntityCollisionEvent extends VehicleCollisionEvent implements Cancellable {
     private Entity entity;
+    private boolean cancelled = false;
+    private boolean cancelledPickup = false;
+    private boolean cancelledCollision = false;
     
     public VehicleEntityCollisionEvent(Type type, Vehicle vehicle, Entity entity) {
         super(type, vehicle);
@@ -19,4 +23,28 @@ public class VehicleEntityCollisionEvent extends VehicleCollisionEvent {
     public Entity getEntity() {
         return entity;
     }
+
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    public void setCancelled(boolean cancel) {
+        this.cancelled = cancel;
+    }
+    
+    public boolean isPickupCancelled() {
+        return cancelledPickup;
+    }
+    
+    public void setPickupCancelled(boolean cancel) {
+        cancelledPickup = cancel;
+    }
+    
+    public boolean isCollisionCancelled() {
+        return cancelledCollision;
+    }
+    
+    public void setCollisionCancelled(boolean cancel) {
+        cancelledCollision = cancel;
+    }
 }