// A program from Chapter 23 of Sams Teach Yourself Java in 24 Hours
// by Rogers Cadenhead, http://www.java24hours.com/

package com.java24hours;

import java.util.List;
import java.util.logging.Logger;
import org.bukkit.Location;
import org.bukkit.Material;
import org.bukkit.World;
import org.bukkit.command.Command;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Entity;
import org.bukkit.entity.EntityType;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.plugin.java.JavaPlugin;

public class ChickenSummoner extends JavaPlugin {
    public static final Logger LOG = Logger.getLogger("Minecraft");
      
    @Override
    public boolean onCommand(CommandSender sender, Command command,
        String label, String[] arguments) {
         
        if (sender instanceof Player) {
            if (label.equalsIgnoreCase("bokbokbok")) {
                find(sender, arguments);
            }
            return true;
        }
        return false;
    }
     
    public void find(CommandSender sender, String[] arguments) {
        
        Player me = (Player) sender;
        Location spot = me.getLocation();
        World world = me.getWorld();
        
        int range = 250;
        me.sendMessage("Looking for chickens ...");
        // store the mobs in a list
        List<LivingEntity> current = world.getLivingEntities();    

        int chickenCount = 0;
        int distance;
        // loop through all the mobs found
        for (Entity mob : current) {
            if (mob.getType() == EntityType.CHICKEN) {
                distance = 5;
                while (true) {
                    Location chickenSpot = new Location(
                        world,
                        spot.getX() + Math.floor(Math.random() * distance - (distance / 2)),
                        spot.getY() + Math.floor(Math.random() * distance + 1),
                        spot.getZ() + Math.floor(Math.random() * distance - (distance / 2))
                    );
                    if (chickenSpot.getBlock().getType() != Material.AIR) {
                        distance++;
                        continue;
                    }
                    mob.teleport(chickenSpot);
                    chickenCount++;
                    break;
                }
            }
        }
        me.sendMessage("Ain't nobody here but us chickens (" + chickenCount
            + " to be precise)");
    }
}