Added PlayerVelocityEvent. Thanks Evenprime!

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

@@ -197,6 +197,13 @@ public abstract class Event implements Serializable {
          * @see org.bukkit.event.player.PlayerMoveEvent
          */
         PLAYER_MOVE (Category.PLAYER),
+        /**
+         * Called before a player gets a velocity vector sent, which will instruct him to 
+         * get "pushed" into a specific direction, e.g. after an explosion
+         *
+         * @see org.bukkit.event.player.PlayerVelocityEvent
+         */
+        PLAYER_VELOCITY (Category.PLAYER),
         /**
          * Called when a player undergoes an animation (Arm Swing is the only animation currently supported)
          *

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

@@ -51,6 +51,14 @@ public class PlayerListener implements Listener {
      */
     public void onPlayerMove(PlayerMoveEvent event) {}
 
+    /**
+     * Called before a player gets a velocity vector sent, which will "push"
+     * the player in a certain direction
+     *
+     * @param event Relevant event details
+     */
+    public void onPlayerVelocity(PlayerVelocityEvent event) {}
+
     /**
      * Called when a player attempts to teleport to a new location in a world
      *

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

@@ -0,0 +1,63 @@
+package org.bukkit.event.player;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+import org.bukkit.util.Vector;
+
+public class PlayerVelocityEvent extends PlayerEvent implements Cancellable {
+
+    /**
+     * Holds information for player velocity events
+     */
+    private boolean cancel = false;
+    private Vector velocity;
+
+    public PlayerVelocityEvent(final Player player, final Vector velocity) {
+        super(Type.PLAYER_VELOCITY, player);
+        this.velocity = velocity;
+    }
+
+    PlayerVelocityEvent(final Event.Type type, final Player player, final Vector velocity) {
+        super(type, player);
+        this.velocity = velocity;
+    }
+
+    /**
+     * 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 cancel;
+    }
+
+    /**
+     * 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.cancel = cancel;
+    }
+
+    /**
+     * Gets the velocity vector that will be sent to the player
+     *
+     * @return Vector the player will get
+     */
+    public Vector getVelocity() {
+        return velocity;
+    }
+
+    /**
+     * Sets the velocity vector that will be sent to the player
+     *
+     * @param velocity The velocity vector that will be sent to the player
+     */
+    public void setVelocity(Vector velocity) {
+        this.velocity = velocity;
+    }
+}

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

@@ -287,6 +287,13 @@ public final class JavaPluginLoader implements PluginLoader {
                 }
             };
 
+        case PLAYER_VELOCITY:
+            return new EventExecutor() {
+                public void execute(Listener listener, Event event) {
+                    ((PlayerListener) listener).onPlayerVelocity((PlayerVelocityEvent) event);
+                }
+            };
+
         case PLAYER_TELEPORT:
             return new EventExecutor() {
                 public void execute(Listener listener, Event event) {