SpawnZombies Source Code

public boolean onCommand(CommandSender sender, Command cmd, String CommandLabel, String[] args){
        if(CommandLabel.equalsIgnoreCase("szspawn")){
            if(!(sender instanceof Player)){
                sender.sendMessage(ChatColor.DARK_RED + "You must be a player to execute this command!");
                return false;
            }
            Player p = (Player) sender;
            if(args.length == 2){
                Player target = Bukkit.getPlayer(args[0]);
                if(target.isOnline()){
                    if(isInt(args[1])){
                        p.sendMessage(ChatColor.GRAY + "[" + ChatColor.GOLD + "SpawnZombies" + ChatColor.GRAY + "] " + ChatColor.GREEN + "Spawning Zombies around the target!");
                        target.sendMessage(ChatColor.GRAY + "[" + ChatColor.GOLD + "SpawnZombies" + ChatColor.GRAY + "] " + ChatColor.GREEN + "Spawning Zombies around You!");
                        Bukkit.getServer().getScheduler().scheduleSyncRepeatingTask(this, new Runnable() {
                            public void run() {
                                for(int i = 0; i < Integer.valueOf(args[1]); i++){

                                    World world = target.getWorld();

                                    Location loc = target.getLocation().add(5, 0, 5);
                                    Location loc1 = target.getLocation().add(-5, 0, 5);
                                    Location loc2 = target.getLocation().add(5, 0, -5);
                                    Location loc3 = target.getLocation().add(-5, 0, -5);

                                    Zombie z1 = (Zombie) world.spawnEntity(loc, EntityType.ZOMBIE);
                                    Zombie z2 = (Zombie) world.spawnEntity(loc1, EntityType.ZOMBIE);
                                    Zombie z3 = (Zombie) world.spawnEntity(loc2, EntityType.ZOMBIE);
                                    Zombie z4 = (Zombie) world.spawnEntity(loc3, EntityType.ZOMBIE);

                                    z1.setTarget(target);
                                    z2.setTarget(target);
                                    z3.setTarget(target);
                                    z4.setTarget(target);
                                    }
                                }
                            }, 0L, 20L);
                        }else if (!isInt(args[1])){
                            p.sendMessage(ChatColor.GREEN + "Variable <zombies per second> must me a number!");

                        }
                    }else if(!target.isOnline()){
                        p.sendMessage(ChatColor.RED + "The target is Offline!");

                    }
                }else if(!(args.length == 2)){
                    p.sendMessage(ChatColor.GREEN + "Usage: /szspawn <target> <zombies per second>");

                }
            }

        if(CommandLabel.equalsIgnoreCase("szstart")){
            if(!(sender instanceof Player)){
                sender.sendMessage(ChatColor.DARK_RED + "You must be a player to execute this command!");
                return false;
            }
                Player p = (Player) sender;
                if(args.length == 2){
                    if(isInt(args[0])){
                        int radius = Integer.valueOf(args[0]);
                            if(isInt(args[1])){
                                p.sendMessage(ChatColor.GRAY + "[" + ChatColor.GOLD + "SpawnZombies" + ChatColor.GRAY + "] " + ChatColor.GREEN + "Spawning Zombies around You!");
                                Bukkit.getServer().getScheduler().scheduleSyncRepeatingTask(this, new Runnable() {
                                    public void run() {
                                        for(int i = 0; i < Integer.valueOf(args[1]); i++){

                                            World w = p.getWorld();

                                            Location loc = new Location(p.getLocation().getWorld(), p.getLocation().getX(), p.getLocation().getY(), p.getLocation().getZ());

                                            loc.setX(loc.getX() + Math.random() * radius * 2 - radius);
                                            loc.setZ(loc.getZ() + Math.random() * radius * 2 - radius);
                                            loc.setY(w.getHighestBlockAt(loc.getBlockX(), loc.getBlockZ()).getY());

                                            w.spawnEntity(loc, EntityType.ZOMBIE);
                                            }
                                        }
                                    }, 0L, 20L);
                                }else if (!isInt(args[1])){
                                    p.sendMessage(ChatColor.GREEN + "Variable <zombies per second> must be a number!");

                                }
                        }else if(!(isInt(args[0]))){
                            p.sendMessage(ChatColor.GREEN + "Variable <radius> must be a number!");
                        }
                    }else if(!(args.length == 2)){
                        p.sendMessage(ChatColor.GREEN + "Usage: /szstart <radius> <zombies per second>");
                    }
            }

        if(CommandLabel.equalsIgnoreCase("szstop")){
            if(!(sender instanceof Player)){
                sender.sendMessage(ChatColor.DARK_RED + "You must be a player to execute this command!");
                return false;
            }
            Player p = (Player) sender;
            p.sendMessage(ChatColor.GRAY + "[" + ChatColor.GOLD + "SpawnZombies" + ChatColor.GRAY + "] " + ChatColor.RED + "Stopped Spawning Zombies around You!");
            Bukkit.getServer().getScheduler().cancelAllTasks();
        }

        if(CommandLabel.equalsIgnoreCase("szinfo")){
            if(!(sender instanceof Player)){
                sender.sendMessage(ChatColor.DARK_RED + "You must be a player to execute this command!");
                return false;
            }
            Player p = (Player) sender;
            p.sendMessage(ChatColor.GRAY + "[" + ChatColor.GOLD + "SpawnZombies" + ChatColor.GRAY + "] " + ChatColor.YELLOW + "Plugin Made by TrolleDz");
            p.sendMessage(ChatColor.GRAY + "[" + ChatColor.GOLD + "SpawnZombies" + ChatColor.GRAY + "] " + ChatColor.YELLOW + "YouTube: TrolleDz");
            p.sendMessage(ChatColor.GRAY + "[" + ChatColor.GOLD + "SpawnZombies" + ChatColor.GRAY + "] " + ChatColor.YELLOW + "Skype: darkmix13");
            p.sendMessage(ChatColor.GRAY + "[" + ChatColor.GOLD + "SpawnZombies" + ChatColor.GRAY + "] " + ChatColor.YELLOW + "Thank for using SpawnZombies");
        }

        if(CommandLabel.equalsIgnoreCase("szboss")){
            if(!(sender instanceof Player)){
                sender.sendMessage(ChatColor.DARK_RED + "You must be a player to execute this command!");
                return false;
            }
                Player p = (Player) sender;
                Bukkit.broadcastMessage(ChatColor.GRAY + "[" + ChatColor.GOLD + "SpawnZombies" + ChatColor.GRAY + "] " + ChatColor.YELLOW + "Boss Spawned! :O");

                World world = p.getWorld();
                Location l = p.getLocation();

                Zombie boss = (Zombie) world.spawnEntity(l, EntityType.ZOMBIE);
                boss.setCustomName(ChatColor.GRAY + "* " + ChatColor.BOLD + ChatColor.DARK_RED + "Boss" + ChatColor.RESET + ChatColor.GRAY + " *");
                boss.setCustomNameVisible(true);
                boss.addPotionEffect(new PotionEffect(PotionEffectType.FIRE_RESISTANCE, 999999, 5));
                boss.addPotionEffect(new PotionEffect(PotionEffectType.SPEED, 999999, 5));
                boss.addPotionEffect(new PotionEffect(PotionEffectType.DAMAGE_RESISTANCE, 999999, 2));
                boss.addPotionEffect(new PotionEffect(PotionEffectType.INCREASE_DAMAGE, 999999, 10));
                boss.setMaxHealth(500);
                boss.setHealth(500);

                for(int i = 0; i < 8; i++) {
                    Location location = boss.getLocation().add(5, 0, 5);
                    Zombie z1 = (Zombie) world.spawnEntity(location, EntityType.ZOMBIE);
                    z1.setCustomName("Guard");
                    z1.setCustomNameVisible(true);
                    z1.getEquipment().setHelmet(new ItemStack(Material.IRON_HELMET));
                    z1.getEquipment().setChestplate(new ItemStack(Material.IRON_CHESTPLATE));
                    z1.getEquipment().setBoots(new ItemStack(Material.IRON_BOOTS));
                    z1.getEquipment().setLeggings(new ItemStack(Material.IRON_LEGGINGS));

                    Location location1 = boss.getLocation().add(-5, 0, 5);
                    Zombie z2 = (Zombie) world.spawnEntity(location1, EntityType.ZOMBIE);
                    z2.setCustomName("Paladin");
                    z2.setCustomNameVisible(true);
                    z2.getEquipment().setHelmet(new ItemStack(Material.DIAMOND_HELMET));
                    z2.getEquipment().setChestplate(new ItemStack(Material.DIAMOND_CHESTPLATE));
                    z2.getEquipment().setBoots(new ItemStack(Material.DIAMOND_BOOTS));
                    z2.getEquipment().setLeggings(new ItemStack(Material.DIAMOND_LEGGINGS));

                    Location location2 = boss.getLocation().add(5, 0, -5);
                    Zombie z3 = (Zombie) world.spawnEntity(location2, EntityType.ZOMBIE);
                    z3.setCustomName("Non-Dead Warrior");
                    z3.setCustomNameVisible(true);
                    z3.getEquipment().setHelmet(new ItemStack(Material.CHAINMAIL_HELMET));
                    z3.getEquipment().setChestplate(new ItemStack(Material.CHAINMAIL_CHESTPLATE));
                    z3.getEquipment().setBoots(new ItemStack(Material.CHAINMAIL_BOOTS));
                    z3.getEquipment().setLeggings(new ItemStack(Material.CHAINMAIL_LEGGINGS));

                    Location location3 = boss.getLocation().add(-5, 0, -5);
                    Zombie z4 = (Zombie) world.spawnEntity(location3, EntityType.ZOMBIE);
                    z1.setCustomName("Defender");
                    z1.setCustomNameVisible(true);
                    z4.getEquipment().setHelmet(new ItemStack(Material.GOLD_HELMET));
                    z4.getEquipment().setChestplate(new ItemStack(Material.GOLD_CHESTPLATE));
                    z4.getEquipment().setBoots(new ItemStack(Material.GOLD_BOOTS));
                    z4.getEquipment().setLeggings(new ItemStack(Material.GOLD_LEGGINGS));
                    }
                }

        if(CommandLabel.equalsIgnoreCase("szkill")){
            if(!(sender instanceof Player)){
                sender.sendMessage(ChatColor.DARK_RED + "You must be a player to execute this command!");
                return false;
            }
            Player p = (Player) sender;
            World w = p.getWorld();
            p.sendMessage(ChatColor.GRAY + "[" + ChatColor.GOLD + "SpawnZombies" + ChatColor.GRAY + "] " + ChatColor.YELLOW + "Killing all the Zombies!");
            List<Entity> entities = w.getEntities();
            for (Entity entity : entities){
                if(entity.getType() == EntityType.ZOMBIE){
                    entity.remove();
                }
            }
        }


        return false;
       }