Dive - old

import java.util.logging.Logger;

public class Dive extends Plugin
  implements Runnable
{
  private static Logger a = Logger.getLogger("Minecraft");

  private Dive.Listener l = new Dive.Listener(this);

  public boolean run = true;
  public int time = 5000;

  public void enable()
  {
    new Thread(this).start();
    etc.getInstance().addCommand("/dive", " - breathe underwater!");
  }

  public void disable()
  {
    etc.getInstance().removeCommand("/dive");
  }

  public void run()
  {
    while (this.run)
      try {
        Thread.sleep(this.time);
        diverCheck();
      } catch (InterruptedException e1) {
        e1.printStackTrace();
        a.info(e1.getMessage());
      }
  }

  public void initialize()
  {
    String pluginName = "Dive";
    String version = "1.0";

    PluginLoader loader = etc.getLoader();
    loader.addListener(PluginLoader.Hook.COMMAND, this.l, this, PluginListener.Priority.MEDIUM);
    loader.addListener(PluginLoader.Hook.PLAYER_MOVE, this.l, this, PluginListener.Priority.MEDIUM);
    loader.addListener(PluginLoader.Hook.DISCONNECT, this.l, this, PluginListener.Priority.MEDIUM);
    a.info(pluginName + " " + version + " initialized");
  }

  public void diverCheck()
  {
    for (Player player : etc.getServer().getPlayerList())
    {
      Item hat = player.getInventory().getItemFromSlot(39);
      if ((player.getAirTicks() >= 200) || (hat.getItemId() != 20))
        continue;
      player.setAirTicks(600);
    }
  }

  public class Listener extends PluginListener
  {
    Listener(Dive dive)
    {
      plugin = dive;
    }
    public void broadcast(String paramString) {
      for (Player localPlayer : etc.getServer().getPlayerList())
        localPlayer.sendMessage(paramString);
      Dive.a.info("[broadcast] " + paramString);
    }

    public boolean onCommand(Player player, String[] split) {
      if ((split[0].equalsIgnoreCase("/dive")) || (split[0].equalsIgnoreCase("/bell")))
      {
        if (player.getItemInHand() == 20)
        {
          Item glass = player.getInventory().getItemFromId(20);
          int slot = glass.getSlot();
          int amt = glass.getAmount() - 1;
          player.getInventory().setSlot(20, 1, 39);
          if (amt < 1)
            player.getInventory().removeItem(slot);
          else {
            player.getInventory().setSlot(20, amt, slot);
          }
          player.getInventory().update();
          player.sendMessage("You can now breathe underwater!");
          Dive.a.info("[Dive] " + player.getName() + " enabled a diving bell.");
          return true;
        }

        player.sendMessage("Hold a block of glass and try again...");

        return true;
      }
      return false;
    }

    public void onDisconnect(Player player)
    {
    }
  }
}