[BukkitPlugin]ブロックが爆破すると、吹っ飛ぶプラグイン。楽しい。TNTを大量に設置すると大爆発が起こる。This bukkit plugin is pop block on explosion.

Main.java

package org.densyakun.bukkit.blockpop;

import java.util.Random;

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.EntityType;
import org.bukkit.event.EventHandler;
import org.bukkit.event.Listener;
import org.bukkit.event.block.BlockPlaceEvent;
import org.bukkit.event.entity.EntityExplodeEvent;
import org.bukkit.plugin.java.JavaPlugin;
import org.bukkit.util.Vector;


public class Main extends JavaPlugin implements Listener {
	
	public TNTGame tntgame;

	@Override
	public void onEnable() {
		new Thread(tntgame = new TNTGame(getServer().getWorld("world"))).start();
		getServer().getPluginManager().registerEvents(this, this);
	}

	@Override
	public boolean onCommand(CommandSender sender, Command command, String label, String[] args) {
		if (label.equalsIgnoreCase("tntstart")) {
			if (tntgame != null) {
				tntgame.tnt = true;
				sender.sendMessage("TNTSTARTED.");
			}
		} else if (label.equalsIgnoreCase("tntstop")) {
			if (tntgame != null) {
				tntgame.tnt = false;
				sender.sendMessage("TNTSTOPED.");
			}
		}
		return true;
	}

	@Override
	public void onDisable() {
		if (tntgame != null)
			tntgame.run = false;
	}

	@EventHandler
	public void BlockPlace(BlockPlaceEvent e) {
		if (e.getBlock().getType() == Material.TNT) {
			e.getBlock().getWorld().spawnEntity(e.getBlock().getLocation(), EntityType.PRIMED_TNT);
			e.getBlock().setType(Material.AIR);
		}
	}

	@EventHandler
	public void EntityExplode(EntityExplodeEvent e) {
		for (int a = 0; a < e.blockList().size(); a++) {
			if (e.blockList().get(a).getType() == Material.TNT) {
				e.blockList().get(a).getWorld().spawnEntity(e.blockList().get(a).getLocation(), EntityType.PRIMED_TNT)
						.setVelocity(new Vector(
								(e.blockList().get(a).getLocation().getX() - e.getEntity().getLocation().getX()) / 2,
								e.blockList().get(a).getLocation().getY() - e.getEntity().getLocation().getY(),
								(e.blockList().get(a).getLocation().getZ() - e.getEntity().getLocation().getZ()) / 2));
			} else {
				e.blockList().get(a).getWorld()
						.spawnFallingBlock(e.blockList().get(a).getLocation(), e.blockList().get(a).getType(),
								e.blockList().get(a).getData())
						.setVelocity(new Vector(
								(e.blockList().get(a).getLocation().getX() - e.getEntity().getLocation().getX()) / 2,
								e.blockList().get(a).getLocation().getY() - e.getEntity().getLocation().getY(),
								(e.blockList().get(a).getLocation().getZ() - e.getEntity().getLocation().getZ()) / 2));
			}
			e.blockList().get(a).setType(Material.AIR);
		}
		e.blockList().clear();
	}
}

class TNTGame implements Runnable {
	
	public boolean run = true;
	public boolean tnt = false;
	public World world;

	public TNTGame(World world) {
		this.world = world;
	}

	@Override
	public void run() {
		while (run) {
			if (tnt && world != null) {
				world.spawnEntity(new Location(world, 353 + new Random().nextInt(24) + 0.5, 82.0,
						-267 + new Random().nextInt(24) + 0.5), EntityType.PRIMED_TNT);
			}
			try {
				Thread.sleep(3000);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
		}
	}
}