Mineradora Exemplo

Mineradora.java

import org.bukkit.*;
import org.bukkit.command.Command;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.entity.Player;

public class Mineradora implements CommandExecutor{

    private MineradoraThread thread = null;

    @Override
    public boolean onCommand(CommandSender commandSender, Command command, String s, String[] args) {
        if(commandSender.isOp()) {
            if (args.length > 0) {
                if (args[0].equalsIgnoreCase("start")) {
                    if(!mineradora(true, ((Player)commandSender).getLocation())){
                        commandSender.sendMessage("Ja esta ligada");
                    }else{
                        commandSender.sendMessage("Voce ligou a mineradora");
                    }
                } else if (args[0].equalsIgnoreCase("stop")) {
                    if(!mineradora(false, null)) {
                        commandSender.sendMessage("Nao esta ligada");
                    }else{
                        commandSender.sendMessage("Voce desligou a mineradora");
                    }
                }
            }
        }
        return false;
    }

    public boolean mineradora(boolean start, Location mid) {
        if (start) {
            if(thread == null) {
                thread = new MineradoraThread(mid);
                thread.start();
                return true;
            }else{
                return false;
            }
        }else{
            if(thread != null) {
                thread.interrupt();
                thread = null;
                return true;
            }else{
                return false;
            }
        }
    }

    public class MineradoraThread extends Thread {

        private Location mid;
        private Location max;
        private Location min;

        public MineradoraThread(Location mid) {
            this.mid = mid;
            max = mid.clone().add(5,0,5);
            min = mid.clone().subtract(5,0,5);
        }

        @Override
        public synchronized void start() {
            Bukkit.getScheduler().runTask(Main.plugin, new Runnable() {
                @Override
                public void run() {
                    for(int z = 0; z <= max.getBlockX() - min.getBlockX(); z++) {
                        Location zPosition = min.clone().add(0,0, z);
                        Location zMaxPosition = zPosition.clone();
                        zMaxPosition.setX(max.getX());
                        zPosition.getBlock().setType(Material.WOOD);
                        zMaxPosition.getBlock().setType(Material.WOOD);
                        Location xPosition = min.clone().add(z,0, 0);
                        Location xMaxPosition = xPosition.clone();
                        xMaxPosition.setZ(max.getZ());
                        xPosition.getBlock().setType(Material.WOOD);
                        xMaxPosition.getBlock().setType(Material.WOOD);
                    }
                    max.getBlock().setType(Material.DIAMOND_BLOCK);
                    min.getBlock().setType(Material.DIAMOND_BLOCK);
                }
            });
            super.start();
        }

        @Override
        public void run() {
            Location minNEW = min.clone().add(1,0,1);
            Location maxNEW = max.clone().subtract(1,0,1);
            for(int i = minNEW.getBlockY(); i > 1; i--) {
                for(int x = 0; x <= maxNEW.getBlockX() - minNEW.getBlockX(); x++) {
                    for(int z = 0; z <= maxNEW.getBlockZ() - minNEW.getBlockZ(); z++) {
                        int newZ = x%2 > 0 ? (maxNEW.getBlockZ() - minNEW.getBlockZ()) - z : z;
                        Location block = minNEW.clone().add(x, 0, newZ);
                        block.setY(i);
                        if(block.getBlock().getType() != Material.AIR && block.getBlock().getType() != Material.BEDROCK) {
                            Bukkit.getScheduler().runTask(Main.plugin, () -> {
                                block.getBlock().getDrops().forEach(item -> block.getWorld().dropItemNaturally(min.clone().subtract(1,1,0), item));
                                block.getBlock().setType(Material.AIR);
                            });
                            //block.getWorld().spawnParticle(Particle.BLOCK_CRACK, block.getBlockX()+0.5, block.getBlockY()+0.5, block.getBlockZ()+0.5, block.getBlock().getTypeId());
                            try {
                                sleep(300);
                            } catch (InterruptedException e) {
                                e.printStackTrace();
                            }
                        }else{
                            continue;
                        }
                    }
                }
            }
            i
        }
    }
}

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