private void playOutExplosion(GlowPlayer player, Iterable<BlockVector> blocks) { Collection<ExplosionMessage.Record> records = new ArrayList<>(); Location clientLoc = location.clone(); clientLoc.setX((int) clientLoc.getX()); clientLoc.setY((int) clientLoc.getY()); clientLoc.setZ((int) clientLoc.getZ()); for (BlockVector block : blocks) { byte x = (byte) (block.getBlockX() - clientLoc.getBlockX()); byte y = (byte) (block.getBlockY() - clientLoc.getBlockY()); byte z = (byte) (block.getBlockZ() - clientLoc.getBlockZ()); records.add(new ExplosionMessage.Record(x, y, z)); } Vector velocity = player.getVelocity(); ExplosionMessage message = new ExplosionMessage( (float) location.getX(), (float) location.getY(), (float) location.getZ(), 5, (float) velocity.getX(), (float) velocity.getY(), (float) velocity.getZ(), records); player.getSession().send(message); }