/*
 * Created on Oct 24, 2010
 */

package engine.rts;

public class BindingTest
{
   public static void main(String[] args)
   {
      Unit unit = new Unit();
      Tree tree = new Tree();

      tree.health = 88;

      unit.startChopping(tree);

      while (true)
      {
         unit.tick();
         tree.tick();

         if (unit.choppingTree == null)
            break;
      }
   }

   public static class Unit
   {
      Tree choppingTree;

      public void startChopping(Tree tree)
      {
         tree.binding.listen("chopped", this);
         this.choppingTree = tree;
      }

      public void tick()
      {
         if (this.choppingTree != null)
         {
            System.out.println("chop!");
            this.choppingTree.health -= 10;
         }
      }

      private void onTreeChopped(Tree tree)
      {
         System.out.println("tree was chopped!");
         this.choppingTree = null;
      }
   }

   public static class Tree
   {
      private final Binding binding = new Binding(this);

      public int            health  = 55;

      public void tick()
      {
         if (this.health <= 0)
         {
            this.binding.fire("chopped");
         }
      }
   }
}