Add ArenaPlayerReadyEvent.

src/com/garbagemule/MobArena/ArenaImpl.java

@@ -622,6 +622,12 @@ public class ArenaImpl implements Arena
     @Override
     public void playerReady(Player p)
     {
+        ArenaPlayerReadyEvent event = new ArenaPlayerReadyEvent(p, this);
+        plugin.getServer().getPluginManager().callEvent(event);
+        if (event.isCancelled()) {
+            return;
+        }
+
         readyPlayers.add(p);
         
         int minPlayers = getMinPlayers();

src/com/garbagemule/MobArena/events/ArenaPlayerReadyEvent.java

@@ -0,0 +1,48 @@
+package com.garbagemule.MobArena.events;
+
+import org.bukkit.entity.Player;
+import org.bukkit.event.Cancellable;
+import org.bukkit.event.Event;
+import org.bukkit.event.HandlerList;
+
+import com.garbagemule.MobArena.framework.Arena;
+
+public class ArenaPlayerReadyEvent extends Event implements Cancellable
+{
+    private static final HandlerList handlers = new HandlerList();
+    private Player player;
+    private Arena arena;
+    private boolean cancelled;
+
+    public ArenaPlayerReadyEvent(Player player, Arena arena) {
+        this.player = player;
+        this.arena =  arena;
+        this.cancelled = false;
+    }
+    
+    public Player getPlayer() {
+        return player;
+    }
+    
+    public Arena getArena() {
+        return arena;
+    }
+
+    @Override
+    public boolean isCancelled() {
+        return cancelled;
+    }
+
+    @Override
+    public void setCancelled(boolean cancelled) {
+        this.cancelled = cancelled;
+    }
+    
+    public HandlerList getHandlers() {
+        return handlers;
+    }
+     
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
+}